US Pat. No. 9,375,126

WATERLESS DISHWASHER

KING ABDULAZIZ UNIVERSITY...

1. A dishwashing apparatus for washing dishware contaminated by food residue including grease and water, the apparatus comprising:
a blasting medium storage system including a dry blasting medium;
a blasting medium transport system connected to the blasting medium storage system, the blasting medium transport system including
a blasting medium delivery system, the blasting medium transport system including a valve, the valve being connected to a
source of compressed air and to the blasting medium storage system, the valve being adjustable such that only compressed air
flows through the valve from the blasting medium transport system to the blasting medium delivery system and alternatively
a combination of compressed air and the dry blasting medium flows through the valve from the blasting medium transport system
to the blasting medium delivery system; and

an enclosure housing a carriage rack transport system, housing at least a portion of the blasting medium delivery system,
and having a lower compartment;

wherein the dry blasting medium from the blasting medium storage system is moved from the blasting medium storage system by
action of the blasting medium transport system to the blasting medium delivery system located within the enclosure;

wherein the blasting medium delivery system directs only compressed air to provide a waterless rinse, or, alternatively, directs
the combination of compressed air and the dry blasting medium at a carriage rack supported by the carriage rack transport
system to provide waterless cleaning; and

wherein used blasting medium and food residue falls into the lower compartment.

US Pat. No. 9,504,454

TRANSORAL REPAIR OF CHOANAL ATRESIA

KING ABDULAZIZ UNIVERSITY...

1. A method for transoral repair of choanal atresia in a human patient, comprising the steps of:
(a) intubating a trachea of the human patient;
(b) inserting a mouth gag retractor to retract a tongue of the human patient;
(c) inserting a 120° telescope behind a soft palate of the human patient into a nasopharynx of the human patient to visualize
posterior choanae of the human patient;

(d) identifying the following surgical landmarks in the human patient:
(1) an atretic plate;
(2) a posterior end of a vomer bone and
(3) a torus tubarius;
(e) inserting a curved drill transorally into the nasopharynx;
(f) drilling the atretic plate from the vomer bone medially at a posterior nasal septum of the human patient until a lateral
pterygoid plate of the human patient laterally;

(g) removing and vacuuming any bone dust and reducing heat generated by the drill using a suction irrigator in conjunction
with the curved drill;

(h) removing any soft tissue component of the atresia using a curved shaver; and
(i) removing any bony spicules or fractured bony parts of the atretic plate using a curved grasping forceps.

US Pat. No. 9,243,852

ADJUSTABLE HEAT EXCHANGER

KING ABDULAZIZ UNIVERSITY...

13. An adjustable heat exchanger, comprising:
a first plurality of spaced apart, hollow discs;
a plurality of interconnecting tubes extending peripherally from each of the discs of the first plurality of discs;
a shaft disposed axially along the first plurality of discs;
a second plurality of spaced apart, hollow discs extending radially from the shaft, the second plurality of discs being selectively
interleaved with the first plurality of discs, each of the discs having a sinusoidal flow path therein and each of the first
plurality of discs being fluidly connected sequentially with one another by the interconnecting tubes, each of the second
plurality of discs being fluidly connected sequentially with one another by the shaft;

a first heat transfer fluid circulating through the first plurality of discs in sequence; and
a second heat transfer fluid circulating through the second plurality of discs in sequence.

US Pat. No. 9,241,822

PORTABLE CERVICAL TRACTION DEVICE

KING ABDULAZIZ UNIVERSITY...

1. A portable cervical traction device, comprising:
a brace having an elongate back section and a pair of detachable shoulder hooks extending from the back section, the brace
being adapted to be worn over the shoulders and back of a user;

a mounting for detachably mounting each of the detachable shoulder hooks to respective corners of the back section, consisting
of;

a hook section having an end face;
a plurality of mounting hooks disposed on the end face of the hook section, each corner of the back section having an end
face and a plurality of loops, the plurality of mounting hooks being insertable into the plurality of loops on the corner
of the back section to form an initial connection;

at least one locking loop disposed on the hook section;
at least one locking loop disposed on the back section, the at least one locking loop on the back section corresponding to
and being aligned with the at least one looking loop on the hook section when assembled; and

at least one locking pin insertable through the at least one locking loop on the hook section and the corresponding locking
loop on the back section, the locking pin establishing a final connection for securely mounting the hook section to the corner
of the back section, the at least one locking pin each having an outwardly extending protrusion for assisting the user in
manipulating the at least one locking pin;

a traction control mechanism attached to the back section for adjustably applying traction on the user, the traction control
mechanism having an elongate, vertical traction bar extendable along the back section and means for selectively raising and
lowering the elongate, vertical traction bar, the elongate, vertical traction bar having a plurality of hooks thereon and
a head sling selectively hung on at least one of the plurality of hooks on the traction bar for comfortably supporting the
user's head during traction; and

at least one releasable strap attached laterally to the back section, the at least one releasable strap securing the brace
around the user's torso.

US Pat. No. 9,150,458

METHOD OF INCREASING THE HARDNESS OF WURTZITE CRYSTALLINE MATERIALS

KING ABDULAZIZ UNIVERSITY...

1. A method of increasing the hardness of wurtzite crystalline materials, comprising the steps of:
(a) selecting a workpiece from a material at least partially composed of a wurtzite crystalline structure;
(b) heating the workpiece with a moving laser applied to a surface of the workpiece, the laser defining a laser-heated contact
area on the workpiece; and

(c) quenching the laser-heated contact area with a water jet in tandem with the moving laser and immediately following the
laser.

US Pat. No. 9,318,348

FABRICATION OF GRAPHENE ELECTRODES ON DIAMOND SUBSTRATE

KING ABDULAZIZ UNIVERSITY...

1. A method of forming graphene on a synthetic diamond substrate, comprising:
providing a synthetic diamond substrate selected from the group consisting of single crystal diamond, ultrananocrystal diamond,
and nanocrystal diamond;

defining a graphitization pattern on the synthetic diamond substrate prior to ion bombardment using photolithography;
treating a portion of the synthetic diamond substrate by ion bombardment, the ion bombardment damaging sp3 bonds of the carbon atoms in the treated substrate portion, wherein damage to the sp3 bonds of the carbon atoms by ion bombardment exceeds a threshold defect density of 1×1022 vacancy/cm3;

heating the synthetic diamond substrate at an annealing temperature for about two minutes to about ten minutes to permit annealing
to occur in the treated portion of the synthetic diamond substrate, wherein the annealing temperature is from about 600° C.
to about 900° C. whereby the treated portion of the synthetic diamond substrate is transformed into one or more graphene layers;
and

reducing the one or more of graphene layers to ten or less graphene layers if the number of graphene layers formed exceeds
ten.

US Pat. No. 9,151,722

SYSTEMS FOR DETERMINING AND IMAGING WAX DEPOSITION AND SIMULTANEOUS CORROSION AND WAX DEPOSIT DETERMINATION IN PIPELINES

KING ABDULAZIZ UNIVERSITY...

1. A system for determination of wax deposition and corrosion in a pipeline, comprising:
a neutron radiation source for emitting neutrons towards a pipeline;
a slow neutron detector;
an absorption shield having a high slow neutron absorption cross section surrounding the slow neutron detector, the absorption
shield defining a collimation window for collimating neutrons diffusing back to the detector from the pipeline;

wherein the absorption shield is cylindrical, collimation being adjustable by adjusting distance between the detector and
the pipeline and by retracting the detector a selectable distance within the cylindrical absorption shield; and

means for counting neutrons diffusing back to the slow neutron detector, the amount of wax deposition and corrosion in the
pipeline being positively correlated with the count of neutrons as provided by the counting means.

US Pat. No. 9,308,479

CROSS-LINKED CARBON NANOTUBE NETWORKS

The Bio Nano Centre Limit...

1. A method of producing an aerogel or a xerogel having a covalently cross-linked carbon nanotube network, comprising:
a) dispersing carbon nanotubes in a solvent compatible with said carbon nanotubes;
b) cross-linking said carbon nanotubes with a linking molecule comprising at least two functional sites capable of reacting
with the surface of said carbon nanotubes, to form a covalently cross-linked carbon nanotube network

wherein said cross-linking is carried out directly to the nanotube sidewall with a linking molecule selected from the group
consisting of bis(diazonium) salts, and multifunctional molecules suitable for 1,3-dipolar cycloadditions or Bingel condensations;
or by the reduction of the carbon nanotubes followed by the reaction of the nanotubes with an electrophilic cross-linking
molecule; and

c) removing said solvent to form an aerogel or a xerogel having the covalently cross-linked carbon nanotube network with a
solvent content of less than 10% by weight.

US Pat. No. 9,242,078

CSF SHUNT VALVE

KING ABDULAZIZ UNIVERSITY...

1. A CSF (cerebrospinal fluid) shunt valve, comprising:
an elongate, hollow housing adapted to be attached to a catheter having a lumen defining a cross-sectional area, the housing
having a fluid inlet end, a sidewall and a bottom;

at least one exit port formed in the sidewall of the housing, the at least one exit port permitting fluid to drain through
when in an open position;

at least one bleeder port formed on the bottom of the housing, the at least one bleeder port permitting the fluid to flow
through the bottom of the housing; and

a valve unit disposed inside the housing, the valve unit having at least one regulating mechanism for opening the at least
one exit port in response to fluid pressure acting thereon, each of the regulating mechanisms having an obstructing member
blocking fluid flow through the housing and a compressible bias spring attached to the obstructing member, the compressible
spring having a spring constant permitting compression of the spring within a predefined range of fluid pressure, the spring
biasing the obstructing member to keep the at least one exit port in a closed position blocking fluid entering the fluid inlet
end from exiting through the exit port until fluid pressure is within the predefined range, the spring being compressed to
the open position when the fluid pressure is within the predefined range;

wherein the valve unit provides pressure-sensitive, self-regulating drainage of CSF fluid in response to pressure of incoming
fluid;

wherein said obstructing members comprise discs;
and at least a pair of elongated guide rails disposed inside said housing each said disc having at least a pair of notches
disposed along a periphery thereof, the notches on each of said discs being slidably mounted to said guide rails for stable
reciprocation within said housing.

US Pat. No. 10,208,984

FOLDABLE PARABOLIC SOLAR COLLECTOR

King Abdulaziz University...

1. A foldable parabolic solar collector, comprising:a first panel having a semi-parabolic shape and a first reflective inner surface;
a central tube, the first panel being fixed to the central tube;
a second panel having a semi-parabolic shape and a second reflective inner surface, the second panel being pivotably mounted to the central tube with the second reflective inner surface of the second panel facing the first reflective inner surface of the first panel;
a hollow receiver tube disposed between the first panel and the second panel, the hollow receiver tube being pivotably mounted to the central tube and configured for carrying a heat transfer fluid;
a tracking motor coupled to the central tube, the tracking motor configured to rotate the central tube;
a torque sensor positioned between the tracking motor and the central tube, the torque sensor configured to measure a torque between the tracking motor and the central tube;
a servomotor connected to the central tube and the second panel, the servomotor configured to pivot the second panel about the central tube;
a controller having processing circuitry, configured to
control the tracking motor to direct an axis of symmetry passing through the central tube and the hollow receiver tube toward a position of the sun,
receive torque data from the torque sensor and determine a torque between the tracking motor and the central tube, and
control the servomotor to cause the second panel to pivot between an open position, in which the first panel and the second panel form a substantially parabolic shape with the hollow receiver tube disposed along a focal line of the parabolic shape, and a closed position, in which the second panel and the first panel substantially enclose the hollow receiver tube, when it is determined by the controller that the torque between the tracking motor and the central tube exceeds a predetermined torque threshold;
a first light sensor disposed on the first reflective inner surface, the first light sensor configured to measure first solar irradiance corresponding to incident solar irradiance on the first reflective inner surface of the foldable parabolic solar collector; and
a second light sensor disposed on a back side of the foldable parabolic solar collector, the second light sensor configured to measure second solar irradiance corresponding to incident solar irradiance on the back side of the foldable parabolic solar collector,
wherein the controller is further configured to
receive first solar irradiance data from the first light sensor,
control the servomotor to cause the second panel to pivot from the open position to the closed position when the first solar irradiance data is below a first predetermined solar irradiance threshold,
receive second solar irradiance data from the second light sensor, and
control the servomotor to cause the second panel to pivot from the closed position to the open position when the second solar irradiance data is above a second predetermined solar irradiance threshold.

US Pat. No. 9,631,989

METHOD OF MAKING FLEXIBLE ELASTIC CONDUCTIVE MATERIAL AND USE OF THE SAME

King Abdulaziz University...

1. A method of making a conductive elastic material by a rubbing-in technology for an electrical components or an electrical
device, said method comprising sequential order of:
providing an elastic material to be fixed on a polished metal plate;
stretching the elastic material fixed on the polished metal plate from a non-stretched position by applying a pressure evenly
on each ends of the elastic material to a stretched position to open up a number of pores in a stretched elastic material;

dispersing a nanoparticle on a center surface of the stretched elastic material;
applying a pressure by a specific weight on the center surface of the stretched elastic material containing the dispersed
nanomaterial;

changing a direction of the specific weight for applying the pressure by the rubbing-in technology; and
removing the pressure on the ends of the stretched elastic material containing the nanoparticle to regain the non-stretched
position from the stretched position so that the open pores become a closed pores on the elastic material and trap the nanoparticle
in the closed pore of the elastic material to form the conductive elastic material.

US Pat. No. 9,156,021

METHOD AND NANOCOMPOSITE FOR TREATING WASTEWATER

KING ABDULAZIZ UNIVERSITY...

6. A nanocomposite for treating wastewater, consisting of a homogenous mixture containing about 75 wt % of multi-walled carbon
nanotubes and about 25 wt % nanoparticles of NiFe2O4.
US Pat. No. 9,999,682

METHOD FOR PREPARING CHITOSAN-COATED MAGNETIC NANOPARTICLES FOR PROTEIN IMMOBILIZATION

KING ABDULAZIZ UNIVERSITY...

1. A method for preparing chitosan-coated magnetic Nanoparticles and coupling to a protein for protein immobilization, comprising:forming ferrous ferric oxide (Fe3O4) nanoparticles;
dispersing the ferrous ferric oxide (Fe3O4) nanoparticles into a solution comprising chitosan and acetic acid to form a dispersion;
adding an oil and a surfactant to the dispersion while vigorously stirring to form a water-in-oil dispersion;
adding 5 mL of excess 50% glutaraldehyde solution to the water-in-oil dispersion to form a reaction mixture, wherein a cross-linking reaction occurs between an amino group of the chitosan and an aldehyde group of the glutaraldehyde;
maintaining the reaction mixture overnight at 4° C. to form the chitosan-coated magnetic nanoparticles;
coupling the chitosan-coated magnetic nanoparticles with a protein molecule, comprising mixing the chitosan-coated magnetic nanoparticles directly with a protein molecule held in a buffer solution at pH 7.0; and
maintaining the mixture for 16 hours at 4° C. under stirring conditions.
US Pat. No. 9,643,149

CROSS-LINKED CARBON NANOTUBE NETWORKS

The Bio Nano Centre Limit...

1. An aerogel or xerogel having a covalently cross-linked carbon nanotube network comprising: carbon nanotubes, a solvent,
and a linking molecule selected from group consisting of bis(diazonium) salts, multifunctional molecules suitable for 1,3-dipolar
cycloadditions or Bingel condensations, electrophilic cross-linking molecules, and combinations thereof, wherein the solvent
is in an amount that is less than 10% by weight.

US Pat. No. 9,783,896

OLEA EUROPAEA SUBSP. CUSPIDATE WOOD TAR OIL COMPOSITION AS AN ANTICORROSIVE FOR METALS IN AQUEOUS MEDIA

King Abdulaziz University...

1. A composition comprising:
a wood tar oil from an Olea europaea subsp. Cuspidata plant, wherein the wood tar oil is present in 5%-80% v/v relative to the total volume of the composition; and

an alcohol solvent that is present in 10%-95% v/v relative to the total volume of the composition;
wherein the composition has a coating resistance of greater than 2.5 ohms and inhibits corrosion of a metal.

US Pat. No. 9,525,164

METHOD OF REDUCING VANADIUM PENTOXIDE TO VANADIUM(III) OXIDE

King Abdulaziz University...

1. A method for producing vanadium trioxide, comprising:
reacting solid vanadium pentoxide with a solid inorganic reducing agent to form a mixture;
mixing sulfuric acid with the mixture to form a suspension comprising vanadium trioxide and vanadyl sulfate; and
filtering the suspension to obtain solid vanadium trioxide and a solution of vanadyl sulfate.

US Pat. No. 9,538,924

COMPOSITION AND METHOD OF MAKING A STRAIN SENSOR AND ITS USE

King Abdulaziz University...

1. A Wheatstone bridge for a heart rate meter, comprising:
a multiwall carbon nanotube powder having a diameter between 10-30 nm;
a spherical silver selenide nanoparticle of a specific size at 50% wt is added to 50% wt of the multiwall carbon nanotube
powder to form a nanocomposite; and

a porous rubber having a specific length, width and thickness mixed with the nanocomposite to make a porous rubber-CNT-silver
selenide strain sensor having a specific length, width and thickness for measuring a heart rate.

US Pat. No. 9,855,209

ANTI-BACTERIAL MOUTHWASH

KING ABDULAZIZ UNIVERSITY...

1. An alcohol-free anti-bacterial mouthwash, consisting of:
an aqueous extract of Salvia libanotica and Malva sylvestris in an amount of about 98%; about 0.4% of essential oil; and an emulsifier in an amount of about 1.6%.

US Pat. No. 9,506,717

MULTIPLE SHOT SPEAR GUN

KING ABDULAZIZ UNIVERSITY...

8. A multiple shot spear gun, comprising:
an elongate central rotary shaft having a forward end, a medial portion, and a rearward end;
a stationary barrel retainer disc disposed at the forward end of the shaft, the forward end of the shaft rotating within the
stationary disc;

a stationary housing disposed at the rearward end of the shaft, the rearward end of the shaft rotating within the stationary
housing;

a plurality of spear gun barrels attached to the housing and the barrel retainer disc and extending therebetween, the shaft
rotating concentrically within the barrel array;

a corresponding trigger mechanism attached to each of the barrels, respectively, in the housing;
a trigger actuator disposed within the housing and mounted for rotation with the central rotary shaft, the trigger actuator
contacting the trigger mechanisms to actuate the trigger mechanisms on each of the barrels one at a time in sequence when
the central shaft is rotated; and

a rotary knob extending from the housing, the rotary knob being connected to the central rotary shaft, wherein rotation of
the knob rotates the central rotary shaft to actuate the trigger mechanisms.

US Pat. No. 10,130,933

ZN—CEO2—ZRO2 CATALYST FOR HYDROGEN PRODUCTION VIA METHANOL PARTIAL OXIDATION

King Abdulaziz University...

1. A Zn—CeO2—ZrO2 catalyst for hydrogen production via methanol partial oxidation, consisting of:0.1 wt. % to 15 wt. % of a zinc metal;
a porous oxide carrier supporting the zinc metal, the porous oxide carrier including zirconia and ceria, wherein the ceria comprises between about 30 wt. % to about 80 wt. % of the catalyst composition and the zirconia comprises between about 10 wt. % to about 50 wt. % of the catalyst composition.

US Pat. No. 9,822,255

METHOD FOR PREPARATION OF A DUAL PHASE FILLER FOR ELASTOMERS

KING ABDULAZIZ UNIVERSITY...

1. A method for preparing an elastomer reinforcing dual phase filler based on carbon black with introduced silica, wherein
the carbon black is pulverized with an impregnating silicasol solution according to a thin layer chromatography technique,
said method comprising:
(1) pulverizing the silicasol over carbon black with constant stirring, wherein said impregnating solution is obtained by
spraying carbon black with silicasol in a thin layer chromatography method with constant stirring, wherein the obtained impregnated
carbon black is then diluted in distilled water at a 1:10 ratio;

(2) resting the carbon black pulverized with the silicasol impregnating solution obtained in (1) in air at room temperature
for 24 hours;

(3) performing a two-step thermal activation in a drying cabinet, with a first step being performed at 80° C. for 2 hours,
and then a second step being performed at 250° C. for 2 hours;

(4) successively pulverizing impregnating solution over the already impregnated carbon black with constant stirring;
(5) resting the carbon black pulverized with the silicasol impregnating solution obtained in (4) for 24 hours in air at room
temperature; and

(6) performing a three-step thermal activation in a drying cabinet, with a first step being performed at 80° C. for 2 hours,
a second step being performed at 150° C. for 4 hours and a third step being performed at 250° C. for 4 hours.

US Pat. No. 9,593,890

THERMAL CONTROL INSERT AND THERMAL RESISTANT HOLLOW BLOCK

KING ABDULAZIZ UNIVERSITY...

1. A thermal control insert for a hollow block, comprising:
an elongate member adapted to be positioned within a cavity formed in a hollow block, the elongate member having a generally
spiral shaped pathway, the elongate member is comprised of an insulting material, the generally spiral shaped pathway forming:

i) an outer end to be positioned in a facing relation to a heated surface of the hollow block;
ii) a continuous pathway to an inner end to receive a fluid when positioned within the cavity of the hollow block, wherein
the inner end is disposed away from the outer end and defines a central open area; and

iii) at least six continuous changes of direction to define the spiral pathway whereby the fluid flows from the outer end
towards the inner end,

wherein the fluid moves along the generally spiral shaped pathway in a forward direction toward the central open area at the
inner end of the generally closed pathway and the fluid accumulating in the central open area loses kinetic energy to provide
a thermal resistance to heat transfer.

US Pat. No. 9,424,734

DEVICE TO MONITOR DISTANCE BETWEEN PEOPLE

KING ABDULAZIZ UNIVERSITY...

1. A wearable device to monitor distance between people, comprising:
a belt worn by a user;
a distance sensor;
a thermal sensor, wherein the thermal sensor is disposed a predetermined distance from a center portion of the belt, the center
portion of the belt being in angular alignment with an imaginary midline extending forward from a navel of the user, the imaginary
midline dividing a body of the user exactly into left and right side, further wherein the at least one distance sensor is
on the same side of the wearer's body as the thermal sensor and more distal from the imaginary midline than the thermal sensor;

at least one annunciator; and
a microcontroller connected to the distance sensor, the thermal sensor, and the at least one annunciator, the microcontroller
having software stored and executable thereon, the software including:

means for determining when an object is within a predetermined distance from the distance sensor in response to signals received
from the distance sensor;

means for determining whether the object is another person in response to signals from the thermal sensor corresponding to
the object's temperature; and

means for actuating the annunciator to generate an alert when the object is another person within the predetermined distance.
US Pat. No. 10,081,060

METHOD OF FORMING SILVER NANOPARTICLES AND A USE THEREOF

King Abdulaziz University...

1. A method of forming silver nanoparticles, comprising:reacting a silver(I) salt with a carbohydrate reductant in an aqueous solution comprising:
the silver(I) salt;
the carbohydrate reductant;
water;
an inorganic base; and
a surfactant;
wherein a concentration of the silver(I) salt in the aqueous solution ranges from 10-100 ?M;
wherein the reacting is performed at a temperature up to 60° C. to form the silver nanoparticles; and
wherein the reacting is not performed with microwave irradiation.
US Pat. No. 9,950,931

CROSS-LINKED GRAPHENE NETWORKS

THE BIO NANO CENTRE LIMIT...

1. A method of producing an aerogel or xerogel comprising graphene, graphene oxide or a mixture thereof, comprising the steps of: a) dispersing graphene, graphene oxide or a mixture thereof in a solvent compatible therewith; b) cross-linking said graphene, graphene oxide or a mixture thereof by use of a coupling agent via functional groups present, on the graphene and/or the graphene oxide, or with a linking molecule comprising at least two functional sites capable of reacting with the surface of said graphene and/or graphene oxide, to form a covalently cross-linked gel network, wherein said coupling agent is selected from the group consisting of N,N?-dicyclohexylcarbodiimide (DCC), N,N?-diisopropylcarbodiimide (DIC), ethyl-(N?,N?-dimethylamino)propylcarbodiimide hydrochloride (EDC), 4-(N,N-dimethylamino) pyridine (DMAP), (benzotriazol-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate (BOP), (benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate, bromotripyrrolidinophosphonium hexafluorophosphate, 0-(benzotriazol-1-yl)-N,N,N?,N?-tetramethyluronium hexafluorophosphate (HBTU), O-(benzotriazol-1-yl)-N,N,N?,N?-tetramethyluronium tetrafluoroborate (TBTU), 0-(7-azabenzotriazol-1-yl)-N,N,N?,N?-tetramethyluronium hexafluorophosphate (HATU), 0-(6-chlorobenzotriazol-1-yl)-N,N,N?,N?-tetramethyluronium hexafluorophosphate (HCTU), 0-(3,4-Dihydro-4-oxo-1,2,3-benzotriazine-3-yl)-N,N,N?,N? tetramethyluronium tetrafluoroborate (TDBTU), 3-(diethylphosphoryloxy)-1,2,3 benzotriazin-4(3H)-one (DEPBT) and carbonyldilmidazole (CDI), and mixtures thereof; and c) removing said solvent to produce a cross-linked aerogel or xerogel with a solvent content of less than 10%.

US Pat. No. 9,795,948

SUNLIGHT ACTIVE COMPOSITE PHOTOCATALYST FOR WATER PURIFICATION

KING ABDULAZIZ UNIVERSITY...

1. A sunlight active composite photocatalyst for water purification and activation by absorption of sunlight, consisting of:
ZnO (zinc oxide); and
Co3O4 (cobalt II, III oxide) dispersed on the surface of the ZnO.

US Pat. No. 9,950,307

METAL CHELATING COMPOSITES, METHODS OF USING COMPOSITES, AND METHODS OF MAKING COMPOSITES

UNIVERSITY OF SOUTH FLORI...

1. A composite comprising:a support material having bonded to its surface a plurality of amine-rich macromolecules, wherein the amine-rich macromolecule is selected from the group consisting of: a polyamidoamine (PAMAM) dendrimer, and a polypropylenimine (PPI) dendrimer, and wherein the amine-rich macromolecules are bonded to the surface of the support material through hydrogen bonds, electrostatic interactions, or a combination thereof, wherein the support material is a metal oxide and the metal oxide is selected from the group consisting of: zirconia, titania, ceria, and zinc oxide.

US Pat. No. 9,790,103

HYDROGEN-POWERED DESALINATION PLANT

KING ABDULAZIZ UNIVERSITY...

1. A desalination plant for producing fresh water from a supply of seawater, the desalination plant comprising:
a plurality of flash distillation stages;
each one of the plurality of flash distillation stages includes:
a flash chamber for flashing brine; and
a feed heater and condenser, the feed heater and condenser having at least one conduit having an inlet and an outlet, and
a collector and pipe system for collecting fresh water from the feed heater and condenser, and piping the fresh water out
of the flash distillation stage;

wherein the at least one conduit successively passes through each one of the plurality of flash chambers; the desalination
plant further comprising:

a first pump connected to the at least one conduit for feeding brine under pressure through each one of the feed heater and
condensers;

a second pump connected to the collector and pipe system for removing the fresh water from the plurality of flash distillation
stages;

a top brine heater having:
a housing having a cylindrical combustion chamber and a pool disposed below the combustion chamber to collect preheated brine;
an inlet connected to the outlet of the feed heater and condenser of a first one of the flash distillation stages, the inlet
extending into the combustion chamber;

a plurality of sprinkler nozzles disposed in the combustion chamber at the top brine heater inlet for atomizing the brine
entering the combustion chamber;

a source of hydrogen gas;
a source of oxygen gas; and
a metered conduit system extending between each of the sources of hydrogen and oxygen gases and the combustion chamber for
introducing metered amounts of hydrogen and oxygen into the combustion chamber, wherein the metered conduit system includes
a pair of hydrogen and oxygen entrance ports, each of the hydrogen and oxygen entrance ports enter the cylindrical combustion
chamber tangentially from orthogonal directions thereby being radially opposed from one another and alternate with each other
circumferentially about the cylindrical chamber, creating a helical vortex within the cylindrical chamber;

an igniter selectively introducing a flame into the combustion chamber to ignite the hydrogen and oxygen gases to convert
the atomized brine into steam and preheated brine, the preheated brine collecting in the top brine heater, wherein the flame
defines a helical vortex and is in direct contact with the atomized brine;

a steam conduit extending from the top brine heater through the flash chambers for heating seawater flowing through each one
of the feed heater and condenser in the flash chambers;

a brine conduit extending from the top brine heater through the flash chambers for conveying the preheated brine through successive
flash chambers for successive stages of evaporation and condensation, thereby producing desalinated water;

a desalination exit port extending from the second pump for removing the fresh water from all of the flash chambers; and
a brine exit port extending from the flash chambers for removing concentrated brine from the flash chambers.
US Pat. No. 10,125,072

MN/CEO2 CATALYST FOR DIMETHYL ETHER PRODUCTION VIA OXIDATIVE DEHYDRATION OF METHANOL

King Abdulaziz University...

1. A method of producing dimethyl ether comprising:contacting a mixture of methanol and oxygen with a catalyst in a reactor to form the dimethyl ether via oxidative dehydration of methanol,
wherein the catalyst consists of manganese on a cerium oxide catalyst support, wherein a weight ratio of manganese to the cerium oxide catalyst support is in the range of 0.005 to 0.5.

US Pat. No. 10,031,092

SYSTEM FOR DETERMINING AND IMAGING WAX DEPOSITION AND CORROSION IN PIPELINES

KING ABDULAZIZ UNIVERSITY...

1. A system for simultaneous determination of wax deposition and corrosion in pipelines by neutron capture gamma rays, the system consisting of:a neutron radiation source for emitting neutrons towards a pipeline, wherein the neutron radiation source is surrounded by a neutron moderator;
a germanium gamma ray detector configured to detect gamma rays emitted by absorption of the emitted neutrons in the pipeline;
a gamma shield separating the neutron radiation source from the germanium gamma ray detector;
a single gamma collimator disposed directly in front of the germanium gamma ray detector, the emitted gamma rays being collimated;
means for counting gamma rays impinging upon the gamma ray detector; and
means for rotating the gamma ray detector around a circumference of the pipeline wherein only a small region of the pipeline and scale is inspected at a time.

US Pat. No. 9,995,724

MERCURY DETECTING PAPER AND METHOD OF USING THE SAME

KING ABDULAZIZ UNIVERSITY...

1. A mercury detecting paper, comprising:a hydrophobic substrate, the hydrophobic substrate including paper having a layer of hexamethyldisilazane deposited thereon; and
a reagent layer formed on the hydrophobic substrate, the reagent layer comprising 6-hydroxy-3-(2-oxoindolin-3-ylideneamino)-2-thioxo-2H-1,3-thiazin-4(3H)-one,
whereby a visual color change of said reagent layer upon contact with a water sample indicates a presence of Hg2+ ions in the water sample.

US Pat. No. 9,310,328

METHOD OF DETECTING LEUKEMIA

KING ABDULAZIZ UNIVERSITY...

1. A method of detecting leukemia, comprising the steps of:
placing a suspension of red blood cells in a reservoir having a capillary tube partially immersed in the suspension;
placing a first electrode in the reservoir outside the capillary tube;
placing a second electrode into the capillary tube, and bringing the second electrode into contact with the surface of the
suspension;

applying an a.c. field to the electrodes;
sweeping the frequency of the a.c. field between 0 Hz and 1×107 Hz;

measuring the electrical resistance as a function of frequency between the second electrode and the surface of the suspension;
and

taking top view images of the suspension at the interface between the second electrode and the surface of the suspension with
a charge-coupled device (CCD) camera during said sweeping step;

analyzing the images to determine a resonant frequency at which the red blood cells are repelled from the electrode and exhibit
a most-ordered pattern of chains of red blood cells; and

comparing the resonant frequency with a frequency that is unique to red blood cells obtained from patients with leukemia,
leukemia being detected when the frequencies are substantially identical.

US Pat. No. 9,976,975

METHOD OF MAKING THIN FILM HUMIDITY SENSORS

KING ABDULAZIZ UNIVERSITY...

1. A method of making thin film humidity sensors, comprising the steps of:depositing thin film aluminum electrodes on a clean glass substrate;
creating a gap between the aluminum electrodes;
mixing equal weights of nickel phthalocyanine (NiPc) and fullerene (C60) to form an NiPc-C60 nanocomposite mixture;
forming a NiPc-C60 pellet from the NiPc-C60 nanocomposite mixture; and
depositing a NiPc-C60 nanocomposite film to fill the gap between the aluminum electrodes by thermal vapor deposition, the nanocomposite film forming by evaporation from the NiPc-C60 pellet.

US Pat. No. 9,764,270

METHOD OF SYNTHESIZING MANGANESE OXIDE NANOCORALS

KING ABDULAZIZ UNIVERSITY...

1. A method of synthesizing manganese oxide nanocorals comprising:
(a) heating a potassium permanganate solution;
(b) providing manganese sulfate in a basic solution;
(c) adding the manganese sulfate basic solution drop-wise to the heated potassium permanganate solution until a brown precipitate
is formed;

(d) stirring the brown precipitate at a temperature greater than 300 K;
(e) isolating the precipitate; and
(f) drying the precipitate to provide the manganese oxide nanocorals.

US Pat. No. 9,707,203

METHODS OF KILLING BACTERIA AND PREVENTING OR TREATING BACTERIAL INFECTION WITH OXIDATION PRODUCTS OF SAFRANAL AND METHODS OF SYNTHESIZING SAFRANAL EPOXIDES

King Abdulaziz University...

1. A method of synthesizing at least one safranal epoxide, comprising:
reacting safranal with at least one organic peracid at a temperature of 15-35° C. to thermally epoxidize the safranal to form
the at least one safranal epoxide,

wherein the at least one safranal epoxide is at least one selected from the group consisting of a compound of formula II and
a compound of formula III


US Pat. No. 10,124,320

VANADIUM OXIDE CATALYST SUPPORTED ON CEO2—ZRO2 FOR DIMETHYL ETHER PRODUCTION VIA OXIDATIVE DEHYDRATION OF METHANOL

King Abdulaziz University...

1. A CeO2 and ZrO2 supported vanadium oxide catalyst, comprising:0.1-10 wt % vanadium;
65-80 wt % CeO2; and
20-32 wt % ZrO2,
wherein the catalyst is in the form of microparticles with diameters of 50-200 ?m.

US Pat. No. 10,035,712

METHOD FOR PRODUCING WATER DISPERSIBLE CUO NANOSTRUCTURES

KING ABDULAZIZ UNIVERSITY...

1. A method for producing water dispersible CuO nanostructures, comprising:dissolving copper nitrate in deionized water to provide an aqueous copper nitrate solution;
placing the aqueous copper nitrate solution in an ultrasonic bath at room temperature for 30 minutes;
mixing ammonia with the copper nitrate solution to form precipitate;
placing the precipitate in an ultrasonic bath to form black precipitate;
washing the black precipitate; and
drying the black precipitate to form CuO nanostructures, wherein the nanostructures are crystalline, spindle-shaped with thickness of about 26.7 nm to about 54.4 nm and a length of about 89.3 nm to about 194.0 nm.
US Pat. No. 9,861,675

METHOD OF TREATING ISCHEMIC HEART DISEASE

KING ABDULAZIZ UNIVERSITY...

1. A method of treating ischemic heart disease in a subject in need thereof comprising administering to the subject a therapeutically
effective amount of a composition containing Phoenix dactylifera L. (Ajwa date) seed nanoparticles.
US Pat. No. 10,144,786

METHOD OF MAKING NANOCRYSTALLINE CELLULOSE

King Abdulaziz University...

1. A method of making nanocrystalline cellulose, consisting of the sequential steps of:grinding cellulosic fibers to produce ground cellulose fiber;
drying the ground cellulose fiber to produce dried, ground cellulose, wherein the drying is done at about 105° C. for two hours;
freeze-drying the dried, ground cellulose by exposing the dried, ground cellulose to liquid nitrogen-vapor for five minutes to produce lyophilized cellulose;
adding at least 98.06% pure sulfuric acid to the lyophilized cellulose at a liquid/solid ratio of 1:1 (vol/wt) and stirring to form a cellulosic paste;
diluting the cellulose paste in a cold liquid at a liquid/solid ratio of 1:1 (vol/wt) to form a cellulosic solution, wherein the cold liquid is selected from the group consisting of water and absolute ethanol;
filtering the cellulosic solution under cooling by liquid nitrogen-vapor to produce a nanocrystalline cellulose precipitate;
washing the nanocrystalline cellulose precipitate until neutralization, wherein the washing is performed in a liquid selected from the group consisting of cold water and ethanol; and
air-drying the washed nanocrystalline cellulose precipitate for one hour to yield a nanocrystalline cellulose product, wherein the cellulose product comprises cellulose needles configured as whiskers.

US Pat. No. 9,764,955

METHOD FOR PRODUCING GRAPHENE WITH A CONTROLLABLE NUMBER OF LAYERS

King Abdulaziz University...

1. A method for producing graphene nanosheets with a predetermined number of layers of graphene, the predetermined number
selected from the group consisting of 1, 2, 3-5, 6-8, and 9-15, the method comprising:
(a) selecting a dicarboxylic acid having a molecular chain length of 0.3-0.5 nm for producing graphene nanosheets with 1 layer
of graphene, a molecular chain length of 0.55-0.75 nm for producing graphene nanosheets with 2 layers of graphene, a molecular
chain length of 0.95-1.0 nm for producing graphene nanosheets with 3-5 layers of graphene, a molecular chain length of 1.15-1.25
nm for producing graphene nanosheets with 6-8 layers of graphene, and a molecular chain length of 1.3-2.0 nm for producing
graphene nanosheets with 9-15 layers of graphene;

(b) treating graphite material with a liquid intercalating agent solution comprising the dicarboxylic acid for a first period
of time to form a graphite intercalation compound;

(c) heating the graphite intercalation compound by microwave irradiation at a first power for a second period of time to form
an expanded graphite intercalation compound;

(d) dispersing the expanded graphite intercalation compound into an alcohol which does not comprise methanol to form a colloidal
suspension of the expanded graphite intercalation compound; and

(e) heating the colloidal suspension of the expanded graphite intercalation compound by microwave irradiation at a second
power for a third period of time to exfoliate and/or reduce the expanded graphite intercalation compound and form the graphene
nanosheets with the predetermined number of layers of graphene.

US Pat. No. 9,647,223

SINGLE LAYER NANOCOMPOSITE PHOTORESPONSE DEVICE

King Abdulaziz University...

1. A photoresponse device, comprising;
a first metal contact layer having a low work function,
a substrate layer in continuous contact with the first metal contact layer,
a nanocomposite layer in continuous contact with the substrate layer,
a second metal contact layer having a high work function in continuous contact with the nanocomposite layer, wherein the second
metal contact layer is gold,

wherein, the nanocomposite layer comprises metal oxide nanoparticles dispersed in an organic semiconductor.
US Pat. No. 9,862,883

METHOD OF MAKING DOPED ALQ3 NANOSTRUCTURES WITH ENHANCED PHOTOLUMINESCENCE

KING ABDULAZIZ UNIVERSITY...

1. A method of making doped Alq3 nanostructures with enhanced photoluminescence, comprising the steps of:
dissolving tris(8-hydroxyquinolinato)aluminum (Alq3) and a metal in water to form a solution, wherein the metal is selected from the group consisting of dysprosium and europium:

sonicating the solution;
drying the solution to form a powder of Alq3 doped with the metal; and

forming the powder into nanofibers of the Alq3 doped with the metal by electrospinning.

US Pat. No. 9,803,065

MICROWAVE SHIELDING EFFECTIVENESS BASED ON POLYVINYL ALCOHOL/SILVER HYBRID NANOCOMPOSITES

King Abdulaziz University...

1. A nanocomposite shielding material, comprising;
a polyvinyl alcohol matrix,
silver nanoplatelets dispersed in the matrix,
wherein the nanocomposite shielding material absorbs electromagnetic radiation at a frequency of 1-12GHz, and
wherein the silver nanoplatelets have a thickness of 4-8 nm and an average edge length of 2-8 ?m.

US Pat. No. 9,791,012

THERMO-SET RESIN COMPOSITION FOR BRAKE PADS, METHOD OF PREPARATION, AND BRAKE PAD ASSEMBLY

King Abdulaziz University...

1. A thermo-set resin composition, comprising:
a reaction product of a Quebracho wood tannin extract and furfuryl alcohol;
0.5%-3% by weight of a neoprene compound, relative to a total weight of the thermo-set resin composition;
a dimethicone;
polyethylene glycol;
abrasive particles, wherein the abrasive particles have a grain size in a range of 0.1 mm and 0.5 mm; and
a glycerol phosphate acidic ester and/or graphite.

US Pat. No. 10,344,001

AZOLYLACRYLOYL DERIVATIVES AS THERAPEUTIC AGENTS FOR SICKLE CELL DISEASE

VIRGINIA COMMONWEALTH UNI...

1. A method of treating sickle cell disease in a subject in need thereof, comprisingadministering to the subject a therapeutically effective amount of a compound of Formula I
where V is selected from the group consisting of O, S, and NH, where W is selected from the group consisting of N and CH, and where R1, R2, R3, R4, R5 and R6 are the same or different and are independently any of i) H, OH, or halogen, ii) substituted or unsubstituted alkyl, alkoxy, hydroxyl-alkyl, halogen, aryl or O-aryl; or iii) M, where M iswhereR7 and R8 are the same or different and are independently H, OH, alkyl, alkoxy, hydroxyl-alkyl, halogen, aryl or O-aryl;
X, Y and Z may be the same or different and are independently C or N; and
B is a bridging moiety that connects M to the phenyl moiety of Formula I.

US Pat. No. 9,979,052

GRAPHENE OXIDE BASED ELECTROCHEMICAL CELL AND BATTERY

King Abdulaziz University...

1. A graphene oxide based electrochemical cell, comprising: an aqueous electrolyte solution, an aluminum anode and a graphene-coated graphite cathode contained in a vessel,wherein the aqueous electrolyte solution consists of water, graphene oxide nanosheets and CuCl2, and optionally at least one selected from the group consisting of silver nitrate and gold chloride, dissolved in the water,
wherein the graphene oxide nanosheets are present in the aqueous electrolyte solution in an amount of from 0.5 mg/ml to 5 mg/ml and the CuCl2 is present in the aqueous electrolyte solution in concentration of from 0.5 M to 5M.

US Pat. No. 9,847,151

METHOD OF MAKING AND USING FLEXIBLE ELASTIC NANOTUBE COMPOSITE

King Abdulaziz University...

1. A method of making a nanohybrid material for a thermoelectric cell, comprising:
dissolving 0.1M of cobaltous nitrate hexa-hydrate in a deionized water to make a homogeneous solution 1;
adding 1 wt % of a graphene oxide to the homogeneous solution 1 to form a mixed solution;
adjusting the pH of the mixed solution to 10;
stirring the pH adjusted mixed solution at 60° C. to obtain a stirred solution;
washing the stirred solution with an ethanol and air drying to obtain a Co3O4/graphene oxide nanohybrid material, and

blending a carbon nano tube at 70 wt. % with the Co3O4/graphene oxide nanohybrid material at 30 wt. % to obtain a blend for filling a casing for the thermoelectric cell.

US Pat. No. 9,962,914

METHOD FOR TRANSFERRING A LARGE-AREA GRAPHENE SHEET

King Abdulaziz University...

1. A method for transferring a graphene layer on a first substrate onto a second target substrate, comprising:contacting a graphene layer on the first substrate, which comprises one or more layers of graphene formed on a copper film that is formed on a surface of a metal foil, with a contacting surface of the second target substrate under substantially uniform pressure and heat, thereby transferring the at least one graphene layer from the first substrate onto the contacting surface of the second target substrate;
wherein the thickness of the copper film that is formed on the surface of the metal foil of the first substrate is about 200-800 nm; and
wherein the transferring consists essentially of applying substantially uniform pressure and heat.
US Pat. No. 9,687,812

METHOD FOR MAKING CARBONACEOUS SPONGE-LIKE SORBENT

KING ABDULAZIZ UNIVERSITY...

1. A method of making a carbonaceous sponge-like sorbent, comprising the steps of:
adding a binder to a volume of fly ash, the binder comprising a polyvinyl acetate emulsion;
mixing the binder and the volume of fly ash to form a carbonaceous mixture;
pressing the carbonaceous mixture into a block of carbonaceous sponge-like sorbent; and
drying and curing the carbonaceous sponge-like sorbent.

US Pat. No. 10,280,134

POTENT CYTOTOXIC AGENT AGAINST HUMAN HEPATOCELLULAR CARCINOMA CELL LINE BASED ON 2-ARYL HYDRAZONOPROPANAL PHARMACOPHORE

King Abdulaziz University...

1. A compound of formula I:
wherein R is C2-C6 alkyl or substituted 2-thienyl
R? is hydrogen or unsubstituted or substituted alkyl, alkenyl, alkynyl or aryl.

US Pat. No. 10,392,267

AZO DYE INTERCALATED FE(II)/FE(III) LAYERED DOUBLE HYDROXIDE FOR WATER PURIFICATION

King Abdulaziz University...

1. A nanostructured material, comprising:Fe(II)/Fe(III) double hydroxide layers; and
an azo dye intercalated between the Fe(II)/Fe(III) double hydroxide layers;
wherein the nanostructured material is in the form of a coral reef morphology having a plurality of nanoflake walls; and
wherein the nanoflake walls have a thickness of 10-35 nm and a largest dimension of 100 nm-1 ?m.
US Pat. No. 10,226,501

METHOD OF ORALLY ADMINISTERING A DATE FRUIT EXTRACT TO TREAT BREAST CANCER

King Abdulaziz University...

1. A method for treating a breast cancer in a mammal comprising:measuring an initial activity of a catalase in a serum of the mammal,
administering orally an extract of a Phoenix dactylifera fruit flesh to the mammal; and
measuring an activity of the catalase in the serum of the mammal,
wherein the extract is made by contacting a Phoenix dactylifera fruit flesh with methanol, where a weight ratio of the Phoenix dactylifera fruit flesh to the methanol is 1:1.5-1:3,
wherein 0.1 to 1 g of the extract is administered per kg of the mammal per day, and
wherein the activity of the catalase is increased 2%-50% after the administering compared to the initial activity of the catalase before the administering.

US Pat. No. 10,396,681

MULTILEVEL INVERTERS WITH INCREASED NUMBER OF OUTPUT STEPS

King Abdulaziz University...

1. A power conversion system comprising:a multilevel inverter circuitry configured to
(a) arrange Nsource DC voltage sources in series between a positive terminal of a first one of the Nsource DC voltage source and a negative terminal of a last one of the Nsource DC voltage sources;
(b) connect at least Nsource?1 controlled switching devices to the Nsource DC voltage sources to ensure at least one of the at least Nsource?1 controlled switching devices is connected between any two adjacent DC voltage sources, to form an electrical path between the positive terminal of the first one of the Nsource DC voltage source and the negative terminal of the last one of the Nsource DC voltage source;
(c) connect at least another Nsource?1 controlled switching devices to the Nsource DC voltage sources to ensure at least one controlled switching device is connected between the negative terminal of the last one of the Nsource DC voltage sources and the negative terminal of any one of the other Nsource?1 DC voltage sources;
(d) provide at least another three controlled switching devices wherein at least one of at least another three controlled switching devices is connected between a positive terminal of the first one of the Nsource DC voltage source and a positive terminal of the second one of the NsourceDC voltage source, and at least two of the at least another three controlled switching devices are connected in series across the positive terminal and negative terminal of the first one of the Nsource DC voltage source; and
(e) connect an H-bridge circuit comprising at least four controlled switching devices between a negative terminal of the last DC voltage source and any common terminal of the controlled switching devices connected in series across the positive terminal and the negative terminal of the first of the at least Nsource?1 DC voltage source, to drive a current in both positive and negative directions to a load,
wherein a voltage levels provided by the others Nsource?1 DC voltage sources is twice a voltage level provided by the first one of the Nsource DC voltage sources, and
wherein a total number of a voltage levels Nstep provided by the Nsource DC voltage sources is determined according to Nstep=4Nsource?1.

US Pat. No. 10,327,871

REINFORCED GINGIVAL RETRACTION CORD

King Abdulaziz University...

1. A flexible dental retraction elongated member comprising:a core consisting essentially of a single strand of stainless steel wire or braided, weaved, or twisted stainless steel wires; and
an exterior thermoplastic coating comprising polytetrafluoroethylene (PTFE) or expanded polytetrafluoroethylene (e-PTFE) that does not swell when contacted with moisture,
wherein the coating covers the core and is irreversibly attached to the core with an adhesive,
wherein a diameter of the dental retraction elongated member ranges from 0.5 to 3.0 mm,
wherein a ratio of the diameter of the dental retraction elongated member to a diameter of the core is from 7:6 to 10:1;
wherein the dental retraction elongated member has a Young's modulus ranging from 1 to 100 GPa, is bendable and remains bent after being bent, and is configured to be placed between a tooth and adjacent gum tissue.

US Pat. No. 10,427,378

COMPOSITE EPOXY MATERIAL WITH EMBEDDED SILICON CARBIDE AND ALUMINA NANOPARTICLES

King Abdulaziz University...

1. A stacked composite material comprising:at least two unidirectional glass fiber layers; and
at least three nanocomposite layers comprising nanofillers dispersed in a cured epoxy matrix, wherein the nanofillers are spherical aluminum oxide nanoparticles having a diameter between 1 nm and 40 nm;
wherein each glass fiber layer is sandwiched between two nanocomposite layers and the nanocomposite layers are formed integrally with the glass fiber layer,
wherein the at least two glass fiber layers are oriented to form thereby either a unidirectional stacked composite material or a quasi-isotropic stacked composite material, and
wherein a separation distance between any two adjacent glass fiber layers is between 2 mm and 10 mm.

US Pat. No. 10,384,194

COMPOSITE HOLLOW PARTICLE, A METHOD FOR MAKING THEREOF, AND A METHOD FOR PRODUCING HYDROGEN GAS

King Abdulaziz University...

1. A composite hollow particle, comprising:a shell comprising titanium dioxide and cobalt(II) ions;
wherein:
the shell surrounds a hollow core,
a crystallite size of the titanium dioxide is in a range of 1-20 nm,
the cobalt(II) ions are located in the shell, and
the composite hollow particle is mesoporous with an average pore size in a range of 1-10 nm, has a BET surface area in a range of 100-200 m2/g, and does not contain ferrite.

US Pat. No. 10,266,510

ANTIMICROBIAL AND CYTOTOXIC COMPOUNDS AND METHODS FOR TREATING CANCER, A BACTERIAL INFECTION, AND/OR A FUNGAL INFECTION

King Abdulaziz University...

1. A method for reducing or inhibiting a progression and/or duration of, reducing or ameliorating a severity of, and/or ameliorating one or more symptoms of at least one cancer selected from the group consisting of colon cancer, breast cancer, and liver cancer in a subject in need thereof, the method comprising:administering an effective amount of a compound of formula (I):
a salt thereof, a solvate thereof, or a combination thereof, to the subject;wherein each of R1 is independently selected from the group consisting of H, hydroxy, amino, thiol, fluoro, chloro, bromo, iodo, cyano, carboxy, an optionally substituted carbamyl, an optionally substituted alkyl, an optionally substituted cycloalkyl, an optionally substituted cycloalkylalkyl, an optionally substituted arylalkyl, an optionally substituted heteroaryl, an optionally substituted aryl, an optionally substituted heterocyclyl, an optionally substituted alkylthio, an optionally substituted alkanoyl, an optionally substituted aroyl, an optionally substituted heteroarylcarbonyl, an optionally substituted arylolefin, an optionally substituted arylalkylcarboxylic acid, and an optionally substituted vinyl;
R2 selected from the group consisting of an optionally substituted alkyl, an optionally substituted cycloalkyl, an optionally substituted cycloalkylalkyl, an optionally substituted arylalkyl, an optionally substituted heteroaryl, an optionally substituted aryl, an optionally substituted heterocyclyl, an optionally substituted alkylthio, an optionally substituted alkanoyl, an optionally substituted aroyl, an optionally substituted heteroarylcarbonyl, an optionally substituted arylolefin, and an optionally substituted vinyl; and
R3 is an optionally substituted aryl.
US Pat. No. 10,231,458

NANOCOMPOSITE AND A METHOD OF MAKING THE SAME

King Abdulaziz University...

1. A nanocomposite, comprising:a core and a shell that covers at least a portion of the core,
wherein the core comprises silver nanoparticles having an average diameter in a range of 20 to 50 nm, and the shell comprises polypyrrole,
wherein an amount of polypyrrole in the nanocomposite is in the range of 5 to 25 wt %, and an amount of silver nanoparticles in the nanocomposite is in the range of 60 to 90 wt %, each relative to a total weight of the nanocomposite,
wherein the shell covers at least 60% but no more than 85% of an external surface area of the core, and
wherein the shell has a thickness in the range of 100 to 250 nm.
US Pat. No. 10,207,253

VANADIUM OXIDE CATALYST SUPPORTED ON CEO2—ZRO2 FOR FORMALDEHYDE PRODUCTION VIA PARTIAL OXIDATION OF METHANOL

King Abdulaziz University...

1. A vanadium oxide catalyst, comprisinga CeO2 and ZrO2 composite core decorated with vanadium oxide nanoparticles,
wherein the vanadium oxide nanoparticles have diameters of 1-10 nm,
wherein the vanadium oxide catalyst has a diameter of 5-80 ?m and comprises from 0.1 to 3 wt % vanadium relative to a total weight of the vanadium oxide catalyst, and
wherein the vanadium oxide nanoparticles are in a crystalline phase and cover 10-90% of the total surface area of the composite core.

US Pat. No. 10,184,486

HIGH PERFORMANCE MINI-PUMP FOR LIQUIDS

King Abdulaziz University...

1. A high performance pump, comprising:a motor assembly including a motor;
a housing assembly including a housing having a first housing portion and a second housing portion, the second housing portion being removably connected to the first housing portion, wherein the first housing portion includes a first cut water section formed on an inner surface thereof to facilitate fluid flow therein, the housing defining an inner chamber therein and including an inlet and an outlet, wherein each of the first and second housing portions has a substantially circular contour, the housing forming a substantially cylindrical shell;
at least one fastening member for removably connecting the first housing portion to the second housing portion;
an impeller co-axially mounted in the inner chamber of the housing; and
a shaft assembly removably connected to the impeller and operatively connected to the motor, such that when the high performance pump is activated, the motor rotates the impeller, thereby forcing fluid to flow through the inlet and out the outlet of the housing.

US Pat. No. 10,626,845

WIND TURBINES WITH REDUCED ELECTROMAGNETIC SCATTERING

King Abdulaziz University...

1. A wind turbine blade with reduced electromagnetic scattering consisting of:a plurality of support members;
a shell supported by the plurality of support members;
a blade root;
a blade tip opposite the blade root; and
a blade middle part extending between the blade root and the blade tip, the blade middle part including
a leading surface that extends between the blade root and the blade tip in a longitudinal direction and from a leading edge along a predetermined leading radius in a downstream direction, the predetermined leading radius corresponds to a point where a curvature of the blade middle part reaches a predetermined leading curvature threshold corresponding to a percentage of a local leading curvature,
a trailing surface opposite the leading surface and that extends between the blade root and the blade tip in a longitudinal direction and from a trailing edge along a predetermined trailing radius in a upstream direction, the predetermined trailing radius corresponds to a point where a curvature of the blade middle part reaches a predetermined trailing curvature threshold corresponding to a percentage of a local trailing curvature,
a pressure surface that extends between the trailing surface and the leading surface in the downstream direction, and
a suction surface opposite the pressure surface that extends between the trailing surface and the leading surface in the downstream direction; and
a plurality of multi-layer absorbers to limit the electromagnetic scattering that includes at least one of cobalt ferrite alloy nano-particles (CoFe NP), cobalt ferrite alloy nano-flakes (CoFe NF), and air, the plurality of multi-layer absorbers including:
a first curved absorber that covers the suction surface and the pressure surface, including a first layer filled with air and in direct and continuous contact with a second layer, the second layer filled with CoFe NF and in direct and continuous contact with a third layer, the third layer filled with air and in direct and continuous contact with a fourth layer, the fourth layer filled with CoFe NP,
a second curved absorber that entirely covers the trailing surface and the leading surface, including a first layer filled with CoFe NF and in direct and continuous contact with a second layer, the second layer filled with air and in direct and continuous contact with a third layer, the third layer filled with CoFe NF and in direct and continuous contact with a fourth layer, the fourth layer filled with air and in direct and continuous contact with a fifth layer, the fifth layer filled with CoFe NF and in direct and continuous contact with a sixth layer, the sixth layer filled with air and in direct and continuous contact with a seventh layer, the seventh filled with CoFe NP, and
a planar absorber that covers the blade root and the blade tip, including a first layer filled with CoFe NF and in a direct and continuous contact with a second layer, the second layer being filled with CoFe NP, wherein the local leading curvature is in between to 20 to 30 and the local trailing curvature is between 300 to 500.

US Pat. No. 10,181,381

TUNABLE SHAPE MEMORY CAPACITOR AND A METHOD OF PREPARATION THEREOF

King Abdulaziz University...

1. A variable capacitor device, comprising:a dielectric layer comprising a shape-memory polymer;
a first metal plate and a second metal plate, wherein the dielectric layer is sandwiched between the first and the second metal plates;
wherein the shape-memory polymer has a first thickness at a first temperature under a first external compressive load, a second thickness at a second temperature under a second external compressive load, and the shape memory polymer having the second thickness is configured to convert to the shape-memory polymer having the first thickness when sequentially subjected to the first external compressive load and the second temperature, and
wherein the first thickness is greater than the second thickness, the second temperature is greater than the first temperature, and the second external compressive load is greater than the first external compressive load.

US Pat. No. 10,584,106

ANTIFUNGAL COMPOUNDS DERIVED FROM LAVENDER OIL

King Abdulaziz University...

1. A pharmaceutical composition, comprising:two epoxide compounds, and
at least one adjuvant and/or excipient selected from the group consisting of benzyl alcohol, propylene glycol, polyethylene glycol, a vegetable oil, a fatty acid, a synthetic fatty ester, a surfactant, and a sugar,
wherein the epoxide compounds consist of the compounds of formula 3 and 4:

wherein each of the compounds of formula 3 and 4 are present in the pharmaceutical composition in an equal amount in the range of 0.1%-20% by weight of the total weight of the pharmaceutical composition.

US Pat. No. 10,554,167

SOLAR CARPORT MODULE

King Abdulaziz University...

1. A solar carport module comprising:a support structure to provide shelter to a vehicle, the support structure having:
a pair of trusses rotatably affixed to a ground surface on which the vehicle is parked;
a plurality of photovoltaic panels mounted between the pair of trusses to provide solar electricity;
a battery assembly that electrically connects the plurality of photovoltaic panels to receive, regulate, and store the solar electricity;
an articulation system that rotates the pair of trusses between a shelter position and a service position,
wherein each truss of the pair of trusses has a summit portion affixed to the articulation system and a base portion opposite to the summit portion that supports the plurality of photovoltaic panels,
wherein the articulation system further includes a gear affixed to the pair of trusses, a worm that meshes into the gear, and an electrical motor that rotates the worm,
wherein each truss includes a first side member and a second side member that connect the summit portion and the base portion,
wherein in the shelter position the plurality of photovoltaic panels are substantially parallel to the ground surface and in the service position the photovoltaic panels are manually reachable by a user standing on the ground surface,
wherein each truss has an isosceles triangular shape, and
wherein the first side member of each truss contacts the ground surface when the pair of trusses is in the service position.
US Pat. No. 10,195,216

ANTIMICROBIAL ACTIVITY AND OIL COMPOSITIONS OF COSTUS SPECIOSUS (KOEN)

King Abdulaziz University...

1. A method for inhibiting the growth of at least one microorganism comprising contacting the at least one microorganism with a Costus speciosis extract comprising epoxidized diosgenin, wherein said at lcast one microorganism is Microsporum, Candida, Pseudomonas or Staphylococcus.

US Pat. No. 10,571,085

SOLAR SIMULATOR FILTER AND A METHOD OF FABRICATING THEREOF

King Abdulaziz University...

1. A solar simulator filter, comprising:a flexible substrate; and
an oxide material, wherein the oxide material comprises fluorine-doped tin oxide in the form of a layer disposed on the flexible substrate, and indium-doped tin oxide in the form of a layer disposed on the fluorine-doped tin oxide,
wherein an amount of fluorine in the fluorine-doped tin oxide is in the range of 0.1 to 5 wt %, relative to the total weight of the fluorine-doped tin oxide,
wherein an amount of indium in the indium-doped tin oxide is in the range of 8 to 10 wt %, relative to the total weight of the indium-doped tin oxide,
wherein the layer of fluorine-doped tin oxide and the layer of indium-doped tin oxide each independently have a thickness in a range of 50-200 nm,
wherein the solar simulator filter transmits light having an irradiance in the range of 1.0 to 1.6 W/m2/nm in the wavelength range of 300 to 750 nm, an irradiance in the range of 0.4 to 1.0 W/m2/nm in the wavelength range of 750 to 1,400 nm, and an irradiance in the range of 0.1 to 0.4 W/m2/nm in the wavelength range of 1,400 to 2,500 nm,
wherein the flexible substrate has a thickness in the range of 50 ?m to 5 mm, and
wherein the flexible substrate has a flexural modulus in the range of 1 to 50 MPa and a flexural strength in the range of 0.5 to 20 MPa.

US Pat. No. 10,490,314

GRAPHENE OXIDE FREE-STANDING FILM AND METHODS FOR SHIELDING ELECTROMAGNETIC RADIATION AT MICROWAVE FREQUENCIES

King Abdulaziz University...

1. A free-standing film that absorbs and/or reflects electromagnetic radiation having a frequency from 1 GHz to 12 GHz, comprising:stacked layers of graphene oxide nanosheets oriented parallel to the film surface and stacked layers of graphene oxide nanosheets oriented perpendicular to the film surface;
wherein the graphene oxide nanosheets have a carbon to oxygen (C/O) ratio of 1.2 to 2.5; and
wherein the film surface contains wrinkles, and wherein the wrinkles have a height, measured from a basal plane of the film surface to a top of the wrinkles, ranging from 0.5 to 2.5 nm.

US Pat. No. 10,363,553

NANOCOMPOSITE HOLLOW SPHERE AS A PHOTOCATALYST AND METHODS THEREOF

King Abdulaziz University...

12. A method for reducing an aromatic nitro compound to an aromatic amine compound, the method comprising:contacting the aromatic nitro compound with the nanocomposite hollow sphere of claim 1 in a solvent to form a reaction mixture; and
irradiating the reaction mixture with a light source having a wavelength of 300-800 nm thereby forming the aromatic amine compound.

US Pat. No. 10,292,972

PHARMACEUTICAL COMPOSITION FOR TREATING CANCER AND A METHOD THEREOF

King Abdulaziz University...

1. A pharmaceutical composition comprising:at least one of a compound represented by Formula (1), a derivative thereof, a solvate thereof, a salt thereof, a compound represented by Formula (2), a derivative thereof, a solvate thereof, and a salt thereof; and
at least one exogenous pharmaceutically acceptable carrier and/or excipient which is not present in Rhazya Stricta, wherein Formula (1) and Formula (2) are:

where R1 is a hydrogen, an optionally substituted alkyl group, an optionally substituted cycloalkyl, an optionally substituted arylalkyl group, an optionally substituted alkanoyl, an optionally substituted aroyl, an optionally substituted alkylsulfonyl, or an optionally substituted arylsulfonyl;
R2 is a carboxy group, a carboxylate group, an optionally substituted alkanoyloxy, an optionally substituted aroyloxy, or an optionally substituted carbamyl;
R3 is O or an optionally substituted CH2;
R4 is a pair of electrons, a hydrogen, an optionally substituted alkyl group, an optionally substituted cycloalkyl, or an optionally substituted arylalkyl group, with the proviso when R4 is an optionally substituted alkyl group, an optionally substituted cycloalkyl, or an optionally substituted arylalkyl group, the nitrogen atom attached to R4 has a positive charge; and
R5 and R6 are independently a hydrogen, a halogen, or a hydroxy.

US Pat. No. 10,528,396

TEMPORAL TASK SCHEDULING IN A HYBRID SYSTEM

King Abdulaziz University...

6. A method of scheduling data tasks, the method comprising:receiving the data tasks into a queue;
receiving inputted data task variables for a private cloud data center (CDC) and a plurality of public clouds, the data task variables including a temporally diversified energy price for using the private CDC for the time slot and a temporally diversified execution price for each of the plurality of public clouds in the time slot;
for each time slot performing task scheduling for all of the received data tasks including:
initializing, via processing circuitry, entity behavior control parameters for a plurality of representative entities in a cluster of entities;
updating, via the processing circuitry, one or more task scheduling parameters for a given number of time slots based on the entity behavior control parameters for the plurality of representative entities and the fitness level of each representative entity,
wherein the updating the one or more task scheduling parameters includes performing hybrid heuristic optimization iteration including:
updating a velocity and a position of each representative entity according to an acceptance criterion;
repairing infeasible entities that do not meet the acceptance criterion;
evaluating the fitness level of each representative entity in the cluster of entities, wherein the fitness level is the sum of the energy cost by the execution of tasks corresponding to all applications dispatched to the private CDC from a current time slot to a next time slot and the cost paid to public clouds due to the execution of tasks corresponding to all applications during the current time slot to the next time slot;
updating a best position for each representative entity and the global best position for all representative entities in the cluster of entities;
update a temperature according to a temperature schedule; and
defining the cluster of entities as a new cluster of entities; and
determining, via the processing circuitry, a total number of data tasks to be dispatched to the private CDC and the plurality of public clouds and a total number of data tasks to be dispatched to each of the public clouds based on an iteration result of the task scheduling using the one or more task scheduling parameters of the time slot for a global best position;
removing the determined number of data tasks to be dispatched from the queue; and
dispatching without dropping the received data tasks, via the processing circuitry, the total number of data tasks to execute in the private CDC or the plurality of public clouds at the current time slot.

US Pat. No. 10,471,289

CARBON-MODIFIED TITANIUM DIOXIDE NANOPARTICLES AND THE PHOTOCATALYTIC REMEDIATION OF AQUEOUS SOURCES SYSTEMS AND METHODS THEREOF

King Abdulaziz University...

13. A photocatalyst, comprising:carbon modified titanium dioxide nanoparticles which have a Ti:C atomic ratio in the range of 3:1 to 6:1;
wherein the photocatalyst has a bandgap in the range of 1.4-1.8 eV.

US Pat. No. 10,427,382

COMPOSITE EPOXY MATERIAL WITH EMBEDDED MWCNT FIBERS AND PROCESS OF MANUFACTURING

King Abdulaziz University...

1. A stacked composite material comprising:at least two glass fiber layers and
at least three nanocomposite layers each comprising an epoxy matrix and carbon nanotubes, wherein said nanocomposite layers do not contain visible air bubbles and each comprise 0.75 to 1.5 wt % deagglomerated and randomly dispersed multiwalled carbon nanotubes relative to the weight of the epoxy matrix,
wherein the glass fibers present in each glass fiber layer are surrounded with an epoxy matrix comprising carbon nanotubes;
wherein each glass fiber layer is sandwiched between two nanocomposite layers and wherein a distance separating any two adjacent glass fiber layers of the stacked composite material ranges from 0.5 to 10 mm;
wherein the glass fibers present in each glass fiber layer are unidirectionally oriented, and the glass fiber layers are oriented so as to enhance the quasi isotropic properties of the composite material; and
wherein the stacked composite material has a glass fiber volume fraction ranging from 20% to 45% of a total volume of the stacked composite material.

US Pat. No. 10,358,431

ANTIMICROBIALS FROM AN EPIGENETICS BASED FUNGAL METABOLITE SCREENING PROGRAM

University of South Flori...

1. A method of treating Leishmania donovani in a patient comprising:administering an effective amount of a Phomopsichromin compound, wherein the Phomopsichromin compound has one of the following formulae:

a pharmaceutically acceptable carrier.

US Pat. No. 10,240,046

METHOD FOR FABRICATION OF A HYBRID DUAL PHASE FILLER FOR ELASTOMERS

KING ABDULAZIZ UNIVERSITY...

1. A method for fabrication of a hybrid dual phase filler for elastomers based on carbon black and magnetite has been elaborated, the filler includes the carbon black impregnated with ethanol suspension of magnetite in a ball mill, then the dual phase mixture is dried till a constant weight, thereafter the dried product is ground in a ball mill, thermally activated in a reactor designed especially for the purpose, at the end the final product is ground again in a ball mill, the method includes the following steps:first stage—preparing the ethanol suspension by pouring ethyl alcohol over powder magnetite and successive homogenizing for 1 h;
second stage—impregnating carbon black with the suspension obtained at the first stage and successive treatment in a ball mill for 2 h;
third stage—decanting ethyl alcohol and drying of the obtained dual phase filler at 50° C. for 2 h;
fourth stage—drying till constant weight at temperature risen to 150° C.;
fifth stage—grinding the dried product in a ball mill for 2 h;
sixth stage—thermal activation in a reactor designed especially for the purpose at 440° C. under 10?2 mm Hg vacuum for 2 h; and
seventh stage—grinding of the final product in a ball mill for 2 h.

US Pat. No. 10,713,918

SMART BOAT FOR SWIMMING POOL MAINTENANCE

King Abdulaziz University...

1. A smart boat for swimming pool maintenance and water safety, comprising:a hull having bottom, front, rear, first side and second side and a central axis extending from the front side to the rear side;
a propeller located at the rear of the hull;
a first rudder located at the rear of the hull near the first side;
a second rudder located at the rear of the hull near the second side;
a first sliding gate, located on the first side of the hull, the first sliding gate including at least one reservoir of chlorine;
a second sliding gate, located on the second side of the hull, the second sliding gate including at least one reservoir of acid;
a first slider-crank mechanism located on the first side of the hull and operatively connected to the first sliding gate;
a second slider-crank mechanism located on the second side of the hull and operatively connected to the second sliding gate;
a screen panel located at the front of the hull, wherein the screen panel is connected to helical gears which raise or lower the screen panel;
a plurality of motors, wherein each of the propeller, the screen panel and the first and second slider-crank mechanisms is connected to at least one motor of the plurality of motors;
a vibration sensor located on the rear of the hull;
a chlorine sensor located at the front of the hull;
a pH sensor located at the front of the hull;
a rechargeable battery;
at least one lighting unit;
a communications unit located within the hull;
a controller located in the hull, the controller operatively connected to the motors, the battery, the lighting unit and the communications unit; and
wherein the controller is further operatively connected to receive measurement signals from the vibration sensor, the chlorine sensor and the pH sensor.

US Pat. No. 10,668,462

MULTIPHASIC TITANIUM DIOXIDE PHOTOCATALYST FOR THE REDUCTION OF CARBON DIOXIDE

King Abdulaziz University...

1. A method for producing a multiphasic titanium dioxide photocatalyst comprising anatase, brookite, and rutile phases, the method comprising:mixing titanium isopropoxide, an alcohol, water, an inorganic acid, and a surfactant to form a mixture;
sonicating the mixture to produce a sonicated mixture;
drying the sonicated mixture to form a powder; and
heating the powder at 400° C. or greater to form the multiphasic titanium dioxide photocatalyst.
US Pat. No. 10,653,634

POLYMERIC NANOPARTICULATE FORMULATION TO ENHANCE THE ORAL BIOAVAILABILITY OF DAPOXETINE

King Abdulaziz University...

1. A plurality of nanoparticles, each of said nanoparticles comprising dapoxetine, zein and alpha-lipoic acid (ALA), wherein the dapoxetine is present in a weight percentage of 3 to 35; the zein is present in a weight percentage of 50 to 70, and the ALA is present in a weight percentage of 3 to 10.
US Pat. No. 10,624,994

BORATE BIOACTIVE GLASS AND METHODS OF USE FOR DENTIN AND ENAMEL RESTORATION

King Abdulaziz University...

1. A borate bioactive glass paste, comprising:20-60 wt % of a borate bioactive glass in the form of particles,
the borate bioactive glass comprising:
40-60 wt % B2O3;
15-25 wt % CaO;
15-25 wt % Na2O; and
2-15 wt % P2O5;
each relative to a total weight of the borate bioactive glass,
and
40-80 wt % phosphoric acid solution,
each relative to a total weight of the borate bioactive glass paste.

US Pat. No. 10,594,032

BEAM SCANNING ANTENNA AND METHOD OF BEAM SCANNING

King Abdulaziz University...

1. A beam scanning antenna, comprising:at least one linear array element, each linear array element having
at least one patch antenna, each patch antenna including
a feed line,
a radiating element configured to radiate a signal from the feed line,
a phase shifting device configured to provide a first phase shift in the feed line, and
a precision rotary device; and
at least one metasurface-based superstrate positioned above the respective patch antenna and configured to introduce a second phase shift in the signal traversing therethrough;
wherein the second phase shift varies due to rotation of the at least one metasurface-based superstrate by the precision rotary device.

US Pat. No. 10,581,370

PHOTOVOLTAIC SYSTEM WITH ADJUSTABLE MIRRORS AND COOLING SYSTEM

King Abdulaziz University...

1. A solar energy harvesting apparatus, comprising:a photovoltaic cell including:
a sun tracker including circuitry configured to determine an angle and an intensity of incident sunlight and the position of the sun relative to the solar energy generating apparatus and adjust a rotation angle of at least one mirror to reflect the incident sunlight onto a top surface of the photovoltaic cell
configured to generate electrical energy from the incident sunlight; and
a bottom surface configured to thermally dispel heat;
wherein the at least one mirror includes a reflective surface disposed proximal to the top surface of the photovoltaic cell;
a plurality of hydraulic actuators each having a first end and a second end, wherein the first end is attached to the photovoltaic cell and the second end is attached to the at least one mirror;
at least one hydraulic actuator pump connected to the plurality of hydraulic actuators and configured to extend or retract the plurality of hydraulic actuators and adjust the distance of the at least one mirror from the top surface, wherein the hydraulic actuator pump is further connected to the heat exchanger and is configured to inject or withdraw a hydraulic fluid, wherein the hydraulic fluid is passed through the plurality of hydraulic actuators, a heat exchanger, and a radiator, which draws heat from the photovoltaic cell;
wherein the heat exchanger is filled with the hydraulic fluid and disposed adjacent to and thermally coupled to the bottom surface of the photovoltaic cell;
wherein the radiator is connected to the heat exchanger and is configured to cool the hydraulic fluid via thermal exchange with an external medium; and
a fluid pump connected to the heat exchanger and configured to circulate the hydraulic fluid through the heat exchanger, and
a motor attached to the second end of the plurality of hydraulic actuators, wherein the at least one mirror is secured to the motor and the motor is configured to rotate the at least one mirror.

US Pat. No. 10,577,327

PYRIDINE BASED IONIC FLUORIDE FOR CATALYZING INDOLE AND TETRAZOLE FORMATION

King Abdulaziz University...

1. An ionic liquid, which is at least one selected from the group consisting of
US Pat. No. 10,343,143

METAL CHELATING COMPOSITES, METHODS OF USING COMPOSITES, AND METHODS OF MAKING COMPOSITES

University of South Flori...

1. A method of removing a metal from a fluid, comprising:exposing the fluid to a composite, wherein the composite is a support material having bonded to its surface a plurality of amine-rich macromolecules, wherein the amine-rich macromolecule is selected from the group consisting of: a polyamidoamine (PAMAM) dendrimer, and a polypropylenimine (PPI) dendrimer, and wherein the amine-rich macromolecules are bonded to the surface of the support material through hydrogen bonds, electrostatic interactions, or a combination thereof, wherein the support material is a metal oxide and the metal oxide is selected from the group consisting of: zirconia, titania, ceria, and zinc oxide;
chelating the metal to the composite to form a composite complex; and
separating the composite complex from the fluid.

US Pat. No. 10,321,977

DENTAL DEVICE

King Abdulaziz University...

1. A dental device, comprising:a rounded flexible device configured to removably attach onto a head of a contra-angled dental drill, wherein the rounded flexible device includes:
a first pair of opposing and spaced-apart rounded top protrusions positioned at a first end of the rounded flexible device, wherein, in a side elevational view of the rounded flexible device, the first pair of rounded top protrusions extend in a first direction,
a central protrusion positioned at a second end of the rounded flexible device opposite the first end of the rounded flexible device,
a second pair of opposing and spaced-apart rounded bottom protrusions positioned at a portion of the rounded flexible device between the first pair of rounded top protrusions and the central protrusion, wherein, in the side elevational view of the rounded flexible device, the second pair of rounded bottom protrusions extend in the first direction less than an amount by which the first pair of rounded top protrusions extend in the first direction, and
a central linear body portion that extends linearly from the first end of the rounded flexible device to the second end of the rounded flexible device;
a ridge at the central linear body portion, the ridge extending from the first end of the rounded flexible device to the second end of the rounded flexible device;
a first pair of opposing spring extensions that extend from the ridge to respective ends of the first pair of rounded top protrusions and configured to bias the first pair of rounded top protrusions toward each other; and
a second pair of opposing spring extensions that extend from the ridge to respective ends of the second pair of rounded bottom protrusions and configured to bias the second pair of rounded bottom protrusions toward each other,
wherein a first set of one of the rounded top and one of the rounded bottom protrusions define a first receptacle therebetween, and a second set of another of the rounded top and another of the rounded bottom protrusions define a second receptacle therebetween,
wherein the first pair and the second pair of rounded top and bottom protrusions are configured to partially encircle the head of the contra-angled dental drill such that a drill handle of the contra-angled dental drill is provided in one of the first and second receptacles and extends between corresponding rounded top and bottom protrusions of the first or second sets,
wherein the central protrusion is sized to extend linearly a length of a rotating drill bit of the contra-angled dental drill when the first pair and the second pair of rounded protrusions partially encircle the head of the contra-angled dental drill, and
wherein a length of the central protrusion is defined from the second end of the rounded flexible device to the rounded bottom protrusions of the second pair, said length of the central protrusion being less than a length of the rounded flexible device from the rounded bottom protrusions of the second pair to the first end of the rounded flexible device.

US Pat. No. 10,251,842

NANOCAPSULE CONTAINING A BIOACTIVE COMPOUND, AND A METHOD OF REDUCING TOXICITY RESULTING FROM CANCER THERAPY

King Abdulaziz University...

1. A nanocapsule, comprising:0.01-10 wt % of a combination of diindolylmethane and ellagic acid, based on a total weight of the nanocapsule; and
a biocompatible polymer encapsulating the combination of diindolylmethane and ellagic acid;
wherein an average diameter of the nanocapsule is in a range of 100-500 nm; and
wherein the combination of diindolylmethane and ellagic acid is capable of synergistically inhibiting NF-?B and/or reducing cardiac troponin levels induced by an anticancer agent.

US Pat. No. 10,683,267

ANTIDIABETIC COMPOUNDS

KING ABDULAZIZ UNIVERSITY...

1. A compound of generic structure
where X is selected from the group consisting of OH, H, CF3, CHF2, CH2F, CN, OR, NHR, NHCOR, and NHSO2R, where R=(CH2)nCH3, and n=0-2, or where R=cyclopropyl, cyclobutyl, oxetanyl, or oxolanyl;
Ar is a substituted phenyl group having one or more substituents;
and n ranges from 0 to 5,
wherein the one or more substituents is CN.

US Pat. No. 10,669,514

CELL BLOCKER INSERTS FOR MULTIWELL TISSUE CULTURE PLATES

King Abdulaziz University...

10. A method of creating an artificial wound in cells in culture, comprisingsecuring a scaffold material against a bottom surface of a cell culture well by placing the insert of claim 1 into the cell culture well, wherein the shaft bottom surface of the shaft contacts the scaffold material and holds the scaffold material against a bottom surface of the cell culture well,
introducing cells and culture medium into the cell culture well via the one or more channels in the top portion of the insert, and
incubating the cells under conditions that permit cell growth on the scaffold material;
wherein cells grow in a non-occluded area of the scaffold material that is not contacted by the shaft bottom surface, and cells do not grow in an occluded area of the scaffold material that is contacted by the shaft bottom surface, and wherein the occluded area forms an artificial wound.
US Pat. No. 10,653,666

CARDIOPROTECTIVE NANO-PHARMACEUTICAL FORMULATION

KING ABDULAZIZ UNIVERSITY...

1. A cardiac treatment nano-emulsion formulation, comprising a therapeutically effective amount of pumpkin seed oil;D-?-tocopheryl polyethylene glycol succinate (TPGS);
polyethylene glycol (PEG) 200; and
quercetin at a dosage of 1-30 mg/kg,wherein TPGS and PEG 200 are present in an amount sufficient to form a nano-emulsion.
US Pat. No. 10,383,910

METHODS OF INCREASING FERTILITY OF A MALE SUBJECT WITH COSTUS SPECIOSUS EXTRACT

King Abdulaziz University...

1. A method of increasing fertility of a male subject suffering from reduced fertility resulting from a medication from at least one antipsychotic drug, the method comprising:administering to the male subject an effective amount of an extract of Costus speciosus in combination with the medication,
wherein the medication inhibits sperm cell production by inhibiting spermatogenesis in a testis of the male subject and the administering the extract of Costus speciosus reduces the inhibition of sperm cell production by the medication, resulting in increasing fertility of the male subject.

US Pat. No. 10,384,191

STAR-SHAPE NANOPARTICLE AND A METHOD OF USING THEREOF TO DETECT ARSENIC IN A SOLUTION

KING ABDULAZIZ UNIVERSITY...

1. A star-shaped nanoparticle, comprising:silver sulfide; and
cesium,
wherein the star-shaped nanoparticle has a chemical formula of CsxAgySz, wherein 0.01?x?0.1, 1.5?y?2.5, and z=1.

US Pat. No. 10,710,056

CERIA SUPPORTED PALLADIUM/CALCIUM CATALYST FOR HYDROGENATING CO2 TO DIMETHYL ETHER

King Abdulaziz University...

1. A CeO2 supported palladium catalyst, comprising:0.05-2 wt % of a promoter comprising Ca;
1-8 wt % of a catalytic material comprising Pd; and
90-98 wt % of CeO2, each relative to a total weight of the CeO2 supported palladium catalyst,
wherein:
the CeO2 supported palladium catalyst has an atomic ratio of palladium to calcium ranging from 2:1 to 6:1; and
the promoter and the catalytic material are deposited on the CeO2.

US Pat. No. 10,678,196

SOFT SENSING OF A NONLINEAR AND MULTIMODE PROCESSES BASED ON SEMI-SUPERVISED WEIGHTED GAUSSIAN REGRESSION

King Abdulaziz University...

1. A method of operating a process plant having an industrial process in which some process parameters cannot be directly measured, comprisingreceiving a query sample for a process parameter that is not directly measured;
assigning distance-based weights relative to the query sample to both labeled and unlabeled training data samples;
constructing a weighted Gaussian density around the query sample based on a local weighted log-likelihood function that incorporates the distance-based weights of both the labeled and unlabeled training data samples;
calculating a conditional distribution of output variables over input variables based on the constructed Gaussian density;
determining an output value for the query sample from the conditional distribution;
automatically updating a current operating condition of a process plant using the determined output value for the query sample,
wherein each of the labeled data samples has both input and output information, and
wherein each of the unlabeled data samples has only input information.
US Pat. No. 10,668,020

PULLULAN BASED VINPOCETINE TABLETS, LYOPLANT-TABS, AS A BUCCAL SOLID DOSAGE FORM

King Abdulaziz University...

1. A pharmaceutical composition in a buccal solid dosage form comprising,vinpocetine,
polyvinyl pyrrolidone, and
at least one excipientwherein,the ratio vinpocetine:polyvinyl pyrrolidone is from: 1:1 to 1:4, and
the vinpocetine and the polyvinyl pyrrolidone are lyophilized to form a binary system, wherein the binary system is formulated into pullulan-based lyophilized tablets.

US Pat. No. 10,586,093

SYSTEM, DEVICE, AND METHOD FOR PATTERN REPRESENTATION AND RECOGNITION

King Abdulaziz University...

1. A method for pattern representation and recognition, the method comprising:acquiring, using processing circuitry of a server, a representation associated with discriminating information including a fingerprint sample associated with a subject;
retrieving, using the processing circuitry, an association between a stored representation and an identity of the subject;
determining a neighbor similarity score as a function of distances between two minutiae from two discriminating information representations based on a relationship with a common minutiae identified in the two minutiae;
determining, using the processing circuitry, a discrimination score as a function of the representation and the stored representation based on the neighbor similarity score and whether a contextualizing sub-process was performed on the stored representation, the contextualizing sub-process being performed when two or more operational contexts are used, the two or more operational contexts including different authentication systems or periods of time, the contextualizing sub-process modifying a representation of the fingerprint sample; and
executing, using the processing circuitry, one or more control actions based on the discrimination score.

US Pat. No. 10,420,627

DENTAL TOOL FOR SHAPING DENTAL RESTORATION

King Abdulaziz University...

1. A dental tool, comprising:a first working end member, a second working end member, and a handle therebetween, wherein each working end member is connected to the handle and comprises:
a curved section connected to the handle and disposed at a first acute angle to a longitudinal axis of the handle; and
an end in a shape of a cruciform connected to the curved section, wherein the end comprises four undulating edges connected smoothly with each other;
wherein a first diagonal connecting a first corner of the cruciform to the curved section is disposed at a second acute angle to the longitudinal axis of the handle, and both working end members and the handle form a unitary construction, and
wherein a length of the first diagonal is in a range of 1-4 times a length of a second diagonal which connects a second corner of the cruciform to a third corner of the cruciform,
wherein the first corner, the second corner, and the third corner are round,
wherein a top face and a bottom face of each end is flat.

US Pat. No. 10,355,154

HYBRID PHOTOVOLTAIC DEVICE AND RADIANT COOLING DEVICE, SYSTEM, METHOD AND CHILLER THEREFOR

King Abdulaziz University...

1. A building-integrated hybrid photovoltaic and radiant cooling device, comprising:a photovoltaic panel;
a radiant cooling panel;
a first cooling pipe in direct contact with a back surface of the photovoltaic panel;
a second cooling pipe in direct contact with a back surface of the radiant cooling panel;
a connecting pipe fluidly connecting the first and the second cooling pipes;
a chiller fluidly connected to the first or the second cooling pipe;
at least one return pipe conveying the fluid from the chiller to the first cooling pipe; and
a frame configured to separate the photovoltaic panel and the radiant cooling panel and form an enclosed space defined by the frame, the photovoltaic panel and the radiant cooling panel,
wherein the frame surrounds the edges of the photovoltaic panel and the radiant cooling panel,
wherein a thermal insulation layer having length and width dimensions substantially the same as the frame is present in the enclosed space between the photovoltaic panel and the radiant cooling panel, and the first cooling pipe, the second cooling pipe and the connecting pipe are present in the enclosed space and wherein a gap is present between the thermal insulating layer and the second cooling pipe.
US Pat. No. 10,322,992

METHODS OF MAKING CERIUM OXIDE POLYANILINE COMPOSITE NANOSPHERES AND METHODS OF USE

King Abdulaziz University...

1. A method of making cerium oxide and polyaniline composite nanospheres comprising a spherical shell, the method comprising:mixing aniline monomers with water, a first alcohol, and a surfactant to form a first mixture,
adding an oxidizing agent to the first mixture to polymerize the aniline monomers to form polyaniline nanospheres,
mixing the polyaniline nanospheres with a water soluble polymer, a cerium alkoxide and a second alcohol to form a second mixture, and
heating the second mixture at 300-400° C. to form the cerium oxide and polyaniline composite nanospheres, wherein each shell has a thickness of 5-60 nm and surrounds a hollow core having a 70-300 nm diameter.

US Pat. No. 10,317,356

COPPER(II) OXIDE AND CELLULOSE ACETATE COMPOSITE RESISTANCE-BASED HUMIDITY SENSOR

King Abdulaziz University...

1. A resistance-based humidity sensor comprising:a moisture sensitive composite comprising a cellulose acetate and copper(II) oxide; and
a first electrode and a second electrode each in direct contact with the composite, wherein the first electrode and the second electrode are separated by the composite separated by the composite;
wherein each electrode is connected to a circuit configured to correlate a resistance of the composite to a measurement of a relative humidity.

US Pat. No. 10,709,662

MUCOADHESIVE BUCCAL FILM HAVING A DUAL RELEASE CARRIER SYSTEM

King Abdulaziz University...

1. A method of improving permeation of a statin across mucosal tissue, comprising providing to a subject in need thereof a mucoadhesive buccal film comprising a crosslinked polyacrylic acid polymer, wherein the film is loaded witha statin-hydroxypropyl-beta-cyclodextrin inclusion complex; and
a statin-loaded mixed micelle composition,wherein the ratio of the mixed micelle composition to the inclusion complex is from 2:0.5 to 2:1.5.

US Pat. No. 10,619,809

SOLAR CHIMNEY STREET LIGHTING POLE

King Abdulaziz University...

1. A solar chimney street lighting pole comprising:a hollow pole with a first end and a second end and circular openings evenly spaced along a length direction of the pole, wherein an air inlet is circumferentially arranged at the first end and an air outlet is arranged at the second end;
a light fixture mounted proximal to the second end;
a plurality of dome-like solar heaters arranged on a surface and over said circular openings;
a fan arranged inside the hollow pole and proximal to the air outlet, wherein the fan is configured to create an upward air stream;
a fan actuator configured to switch the fan;
a sensor for indicating solar radiation; and
a controller electrically connected to the sensor and the fan actuator, wherein the controller configured to command the fan actuator to switch the fan based on the indication of solar radiation by the sensor,
wherein the hollow pole is configured to be vertically secured relative to the ground with the first end proximal to the ground, and the dome-like solar heaters configured to passively heat air inside the hollow pole using solar radiation and create an upward air stream therein,
wherein the controller is configured to command the fan actuator to switch the fan when the air flowrate of the passively heated air inside the hollow pole is below a predetermined flowrate, and
wherein the solar chimney street lighting pole is configured to transport a polluted air proximal to the ground to a point with an elevation of at least 3 meters relative to the ground.

US Pat. No. 10,377,733

ANTIMICROBIALS FROM AN EPIGENETICS BASED FUNGAL METABOLITE SCREENING PROGRAM

University of South Flori...

1. A method of inhibiting microbial activity in at least one cell comprising:contacting the at least one cell with an effective amount of a Citreohybriddione compound, wherein the Citreohybriddione compound has the following formula:

US Pat. No. 10,987,659

SYNTHESIS OF TIO2/CO3O4 CORE-SHELL PHOTOCATALYSTS

King Abdulaziz University...

1. A method of synthesizing TiO2/Co3O4 core-shell photocatalysts, comprising:preparing SiO2 hollow nanospheres via sol-gel synthesis in the presence of a non-ionic surfactant and a cationic surfactant;
adding titanium sec-butoxide to a solution containing the SiO2 hollow nanospheres to provide a first combined sample;
calcinating the first combined sample to provide hollow mesoporous TiO2 nanospheres;
adding cobalt nitrate to a solution comprising the hollow mesoporous TiO2 nanospheres to provide a second combined sample; and
calcinating the second combined sample to provide TiO2/Co3O4 core-shell photocatalysts.

US Pat. No. 10,321,973

COMPOSITE RESTORATION CONDENSER WITH ROLLING BALL TIP

King Abdulaziz University...

1. A dental instrument, comprising:a handle with a working end;
a curved and/or angled shank extending from the working end;
an elongated tip with a socket, wherein the elongated tip is mounted on the curved and/or angled shank, and the elongated tip is frustoconical with a frustoconical surface having a larger diameter oriented towards the ball;
a ball rotatably housed within the socket, the ball having an exposed spherical surface configured to contact a dental composite;
a second curved and/or angled shank extending from an end of the handle distal to the working end, having a second elongated tip with a second socket; and
a second ball rotatably housed within the second socket, having a second exposed spherical surface,
wherein the ball and the second ball have unequal diameters, and
wherein an end of the elongated tip connected to the curved and/or angled shank has a beveled edge expanding in a direction towards the ball.

US Pat. No. 10,742,417

SECURED BIOMETRIC SYSTEMS AND METHODS

King Abdulaziz University...

1. A method of characterizing a fingerprint, the method comprising:extracting a first plurality of minutiae points from a first fingerprint image, via a fingerprint image sensor;
generating a first minutiae file of biometric data according to a corresponding location of the first plurality of minutiae points on the first fingerprint image;
generating a first pair table from the first minutiae file;
storing the first minutiae file with existing minutiae files in a pair table database;
dividing the first pair table into a first plurality of subsets;
encrypting, via processing circuitry each of the first plurality of subsets; and
allocating, via the processing circuitry each of the first plurality of encrypted subsets over a corresponding plurality of data clouds.
US Pat. No. 10,532,939

COMPOSITE, A METHOD OF MAKING THEREOF, AND A METHOD FOR DEGRADING A POLLUTANT

King Abdulaziz University...

1. A composite, comprising:graphitic carbon nitride in the form of a sheet; and
a mixed metal sulfide comprising sulfur, a transition metal, and a post-transition metal,
wherein the mixed metal sulfide is in a form of a particle with a diameter in a range of 0.5-5 nm and disposed on the sheet of graphitic carbon nitride.

US Pat. No. 10,835,889

ALCOHOL BASED METHOD OF MAKING MULTI-WALLED CARBON NANOTUBE NANOCOMPOSITE

King Abdulaziz University...

1. An alcohol-based method of making a ZrO2-multi-walled carbon nanotube nanocomposite, comprising:dispersing, while sonicating, a zirconium alkoxide and a poloxamer in an alcohol to form a mixture, wherein the ratio of the zirconium alkoxide to the alcohol to the poloxamer is in the range of 0.2:10:0.1 to 3:10:0.5 (w/w/w),
mixing a multi-walled carbon nanotube (MWCNT) with the mixture to form a MWCNT-containing mixture, and
mixing an aqueous carboxylic acid solution with the MWCNT-containing mixture to precipitate the ZrO2-multi-walled carbon nanotube nanocomposite precursor, then
calcining the ZrO2-multi-walled carbon nanotube nanocomposite precursor under nitrogen to form the ZrO2-multi-walled carbon nanotube nanocomposite;
wherein the ZrO2-multi-walled carbon nanotube nanocomposite comprises 0.5%-5% by weight of the MWCNT.
US Pat. No. 10,736,843

IN SITU GELLING COMPOSITION CONTAINING TOCOPHEROL-LOADED MICELLES AS AN INTRANASAL DRUG DELIVERY SYSTEM

KING ABDULAZIZ UNIVERSITY...

1. A method of enhancing cognition and/or memory in a subject in need thereof, comprising intranasally administering to the subject an in situ gelling composition comprisingmicelles formed with D-?-Tocopherol polyethylene glycol succinate (TPGS);
vinpocetine encapsulated within the micelles; and
a thermosensitive polymer,
wherein the TPGS is 0.01-20% wt/volume,
wherein the micelles are 10-100 nm in sized, and
wherein the composition is an aqueous solution which forms a gel phase when said composition comes into contact with a surface at a temperature at or above 25° C.

US Pat. No. 10,327,865

COMPOSITE RESTORATION ROLLER

King Abdulaziz University...

1. A dental instrument, comprisinga shaft and at least one a working end, said working end comprising an arm attached to, and projecting away from the shaft around which arm is a longitudinally mounted conical frustum roller that has a narrow section projecting away from the shaft and that is capped by a non-rotating rounded apical tip which forms an integral or detachable part of the arm; and wherein the frustum roller is mounted on the arm so that it can rotate around the longitudinal axis of the arm,
wherein the arm is mounted on a non-rotatable flange, is fixed and does not rotate, and the non-rotatable flange having a diameter greater than a distal end of the shaft.

US Pat. No. 10,225,708

TRUST EVALUATION WIRELESS NETWORK FOR ROUTING DATA PACKETS

King Abdulaziz University...

1. A system for routing a data packet, the system comprising:a network having a plurality of nodes and at least one base station,
where at least one node includes circuitry configured to
receive a data packet;
perform a data quality verification of the data packet;
perform a location verification of the data packet;
perform a time verification of the data packet;
evaluate a trustworthiness of the data packet based on at least one of the data quality verification, the location verification, and the time verification; and
route the data packet to at least one of another node or a base station in the network based on the evaluating,
wherein the data quality verification is based on comparing a received signal strength adjustment with a received signal strength threshold and
comparing an internal distortion with an internal distortion limit.

US Pat. No. 10,870,088

COMPOSITE PHOTOCATALYSTS EMBEDDED IN MICROPOROUS MEMBRANES

King Abdulaziz University...

1. A photocatalytic material, comprising:a composite photocatalyst comprising a metal oxide impregnated with elemental metal particles; and
a hydrophilic polymer membrane having pores with diameters of less than 2 nm, wherein the hydrophilic polymer membrane comprises a hydrophilic polymer,
wherein the composite photocatalyst is dispersed within the hydrophilic polymer membrane, wherein at least 95 wt % of the composite photocatalyst is completely enveloped within the hydrophilic polymer membrane,
wherein the metal oxide comprises WO3, CeO2, Bi2O3, and/or ZnO, and
wherein the elemental metal particles comprise at least one elemental metal selected from the group consisting of Cu, Ce, Mn, Mo, V, and W.

US Pat. No. 10,839,269

SYSTEM FOR FAST AND ACCURATE VISUAL DOMAIN ADAPTATION

King Abdulaziz University...

1. A system for fast and accurate visual domain adaptation, comprising:a computer system having
a domain database storing images from different domains,
a cloud server with the Generative Adversarial Distribution Matching (GADM) algorithm deployed,
said computer system trained by
accessing the domain database and applying GADM to perform domain adaptation,
wherein the GADM is a Generative Adversarial Network (GAN) based visual domain adaptation incorporating Maximum Mean Discrepancy (MMD) based distance constraint in GAN's objection function,
wherein the GAN structure utilizes a single GAN framework comprising a single generator, a single domain discriminator, and a single classifier,
wherein source feature is kept unchanged and adaptation is conducted towards target data, and
wherein the GADM algorithm is composed of three steps: source domain pre-training, adversarial distribution matching across domains, and target domain classification.

US Pat. No. 10,752,527

WATER TREATMENT SYSTEM AND METHODS THEREOF

King Abdulaziz University...

1. A water treatment system, comprising:a pipe comprising a water inlet, a water outlet, and a transparent section located between the water inlet and the water outlet; and
a photocatalytic nanocomposite sheet comprising polymethylmethacrylate and silver phosphate located inside the transparent section, wherein the photocatalytic nanocomposite sheet is configured to decompose at least a portion of organic pollutants present in water.

US Pat. No. 10,746,686

ELECTROCHEMICAL CELL AND A METHOD OF USING THE SAME FOR DETECTING BISPHENOL-A

King Abdulaziz University...

1. An electrochemical cell, comprising:a working electrode comprising a gold-titanium alloy with a gold content of 70-90 wt %, based on a total weight of the working electrode;
a gold-coated carbon nanotubes comprising:
carboxylic acid functionalized carbon nanotubes, and
gold nanoparticles bound to the carboxylic acid functionalized carbon nanotubes,
wherein a diameter of each of the gold-coated carbon nanotubes is within a range of 5-20 nm and
wherein the gold-coated carbon nanotubes are in the form of a buckypaper with a thickness in the range of 100 to 500 ?m;
a conductive binder in the form of a layer with a thickness of 1-3 mm, which is sandwiched between the gold-coated carbon nanotubes and the working electrode, that binds the gold-coated carbon nanotubes to the working electrode; and
a counter electrode disposed adjacent to the working electrode having a gap therebetween.

US Pat. No. 10,426,576

METHOD FOR DEBONDING OF ORTHODONTIC METAL BRACKETS WITH EUGENOL EMULGEL

King Abdulaziz University...

1. A method for removing an object bound to a tooth or teeth via a dental cement or dental resin, comprising:contacting the dental cement or dental resin with a gel comprising eugenol for a time sufficient to reduce Vickers hardness of the dental cement or dental resin or for a time sufficient to decrease debonding force needed to remove a metal bracket, dental appliance or dental prosthetic from the tooth or teeth, and
removing the metal bracket, dental appliance or dental prosthetic from the tooth or teeth.

US Pat. No. 10,221,079

MICROWAVE-ASSISTED DISTILLATION SYSTEM

King Abdulaziz University...

1. A microwave-assisted distillation system, comprising:a tank configured for receiving water;
a microwave unit having a plurality of sides, one of the sides having a first opening and a second opening defined therein, the microwave unit including a magnetron, wherein the magnetron is configured to produce microwave radiation within the microwave unit to heat the water contained therein to a predetermined temperature;
a vessel housed in the microwave unit, the vessel having a lid including an inlet port extending through the first opening and an outlet port extending through the second opening, the vessel being in fluid communication with the tank;
a temperature sensor positioned in direct communicating relation with the vessel in order to measure the temperature of the water inside the vessel;
a temperature controller configured for activating the magnetron, the temperature sensor communicating with the temperature controller;
a magnetic stirrer having a stir bar, the stir bar being disposed in the vessel; and
a condenser unit, including:
a natural convection condenser positioned within a first tube having a first end and a second end, the first end of the first tube being coupled to the outlet port of the lid;
an adapter having a first end and a second end, the first end of the adapter being coupled to the second end of the first tube;
a second tube having a first end and a second end;
a heat exchange coil having an inlet configured for receiving water from the tank and an outlet configured for discharging water into the tank, the heat exchange coil being disposed within the second tube, the first end of the second tube being coupled to the second end of the adapter and the second end of the second tube being configured for discharging distilled water into a receiver at least one cooling plate within the tank wherein the at least one cooling plate is coupled to the outlet of the heat exchange coil; and
wherein the tank includes an exhaust fan in communicating relation with the at least one cooling plate.

US Pat. No. 10,970,650

AUC-MAXIMIZED HIGH-ACCURACY CLASSIFIER FOR IMBALANCED DATASETS

King Abdulaziz University...

1. An AUC-maximized high-accuracy classification method for imbalanced datasets composed of a majority samples dataset and a minority samples dataset, comprising the steps of:under-sampling of the majority samples dataset to produce k clusters of sub-majority datasets,
combining the minority samples dataset with each of the k clusters of sub-majority datasets to transform an original imbalanced dataset into multiple balanced sub-datasets,
detecting outliers in each balanced sub-dataset,
categorizing the detected outliers into a first category consisting of samples which user input has identified as outliers and a second category of outliers consisting of samples which the user input has not identified as outliers;
removing outliers of the first category from training data and validation data of each balanced sub-dataset,
removing outliers of the second category from only the training data of each balanced sub-dataset,
building an AUC-maximized decision boundary between majority samples and minority samples of each sub-dataset, and
assembling above k MaxAUC classifiers as the final classifier which achieves a higher classification accuracy of the majority samples dataset without changing that of the minority samples dataset.

US Pat. No. 10,906,812

METHODS OF PRODUCING CARBON NANOPARTICLES

KING ABDULAZIZ UNIVERSITY...

1. A method of producing carbon nanoparticles, comprising:milling carbonized date palm fronds to produce a milled powder;
dispersing the milled powder in water to form a suspension, wherein the milled powder is present in the suspension in an amount of 10 g/L to 100 g/L;
sonicating the suspension to form the carbon nanoparticles; and
collecting the carbon nanoparticles,wherein the dispersing and sonicating steps are performed in water without organic solvents or chemical additives.

US Pat. No. 10,907,838

ENERGY EFFICIENT ELECTRIC COOKER

King Abdulaziz University...

1. A cooker hotplate control system, to heat to and maintain a cooking medium comprising water and/or a foodstuff distributed in water at or around the boiling point of water when using an electric hotplate, the system comprising;a dimmer to govern power input to an electric hotplate to heat a hotplate;
a temperature sensor to determine the temperature of a hotplate;
an infrared sensor spatially separated from and to detect infrared radiation emitted by a cooking medium or a vessel containing a cooking medium on a hotplate; a first processor to determine the temperature of a cooking medium or a vessel from the detected infrared radiation and a first data storage means to store said data;
a second processor, the second processor calculating the first and second time derivatives of the temperature data;
a first fuzzy logic controller receiving as input the first and second time-derivative data from the second processor and producing an output to the dimmer, said output governing the amount of power supplied to a hotplate, the first fuzzy logic controller being active to bring a cooking medium temperature up to the boiling point and to hold a cooking medium at the boiling point for a defined time period; a second fuzzy logic controller, once the defined time period has ended, to maintain the temperature within a defined temperature range about the boiling point, the first and second fuzzy logic systems acting sequentially.

US Pat. No. 10,906,854

PROCESS FOR FORMING A PHOTOCATALYST AND OXIDIZING A CYCLOALKANE

King Abdulaziz University...

1. A process of forming a Pt/SrTiO3 photocatalyst and oxidizing a cycloalkane to a cycloalkanol and/or a cycloalkanone, the process comprising:reacting strontium acetate with acetic acid to form a precursor composition;
adding titanium isopropoxide to the precursor composition and treating with ultrasound to form a second composition comprising strontium titanate nanoparticles;
drying the second composition and calcining in air to form a powder;
depositing platinum on the powder and reducing the platinum with hydrogen to form the Pt/SrTiO3 photocatalyst in the form of strontium titanate nanoparticles having surface doped Pt;
wherein the platinum is present in an amount of 1.0-2.0 wt % relative to a total weight of the Pt/SrTiO photocatalyst; then
contacting a feed mixture comprising the cycloalkane and an oxidant with the Pt/SrTiO3 photocatalyst thereby forming a reaction mixture; and
concurrently irradiating the reaction mixture with light thereby forming the cycloalkanol and/or the cycloalkanon.

US Pat. No. 10,837,945

PROCESS FOR FORMING AND QUALITY PROOFING A FRICTION STIR WELDED PLATE

King Abdulaziz University...

1. A method for forming and qualifying a friction stir welded seam on an aluminum welded plate, comprising:forming the friction stir welded seam on the aluminum welded plate by friction stir welding an aluminum plate with a carbon chrome steel milling tool at a tool rotation of from 600 to 1800 rpm and a welding speed of from 32 to 110 mm/min;
separately subjecting the aluminum welded plate and a geometrically-equivalent defect-free aluminum plate to a physical impact to generate a vibration;
measuring, with an accelerometer, successive cycles of amplitude of vibrations for the aluminum welded plate and the defect-free aluminum plate;
determining specific damping capacities of the aluminum welded plate and the geometrically-equivalent defect-free aluminum plate based on a first amplitude and an nth amplitude where n are the measured cycles;
comparing the specific damping capacity of the aluminum welded plate to the specific damping capacity of the geometrically-equivalent defect-free aluminum plate; and
determining the quality of the friction stir welded seam by the similarity between the specific damping capacity of the aluminum welded plate and the defect-free aluminum plate,
marking the aluminum welded plate defective if the specific damping capacity of the aluminum welded plate and the defect-free aluminum plate differ by more than 15%,
wherein both the aluminum welded plate and the defect-free aluminum plate comprise at least 95 wt % aluminum relative to a respective total weight.

US Pat. No. 10,820,982

METHOD OF BLADDER AUGMENTATION WITH MODIFIED ILEAL SEGMENT AND BIOLOGICALLY COMPATIBLE TISSUE

King Abdulaziz University...

1. A method of augmenting a bladder of a subject comprising:incising a native bladder along a sagittal plane between openings of two ureters in the native bladder to form an incised native bladder;
implanting a tissue flap comprising a nontubular bladder-expansion portion and a tubular portion into the incised native bladder; and
suturing the non-tubular portion of the bladder-expansion portion to an edge of the incised native bladder; and
anastomosing a distal end of the tubular portion of the tissue flap to the non-tailored end of each ureter;
wherein the tissue flap is an ileal segment that is modified by cutting along an antimesenteric border of a native ileal segment to form a cut ileal segment with a detubularized first end with two cut edges and a second end that forms the tubular portion;
wherein the method forms an augmented bladder with a volume capacity that is 100%-250% larger than a volume capacity of the native bladder; and
wherein said anastomosing comprises an end-to-end anastomosis of one ureter to the distal end of the tubular portion and a side-to-end anastomosis of the other ureter to the distal end of the tubular portion.

US Pat. No. 10,823,135

POWER BY GRAVITY

King Abdulaziz University...

1. A power conversion system, comprising:a first fluid holding tank;
a second fluid holding tank;
a fluid inlet hose;
a fluid outlet hose;
a fluid container including (i) an inlet opening on an upper surface of the fluid container, the inlet opening connected to the first fluid holding tank via the fluid inlet hose, (ii) an outlet opening on a lower surface of the fluid container, the outlet opening connected to the second fluid holding tank via the fluid outlet hose, and (iii) first and second tension springs directly connected to the upper surface of the fluid container and directly connected to a lower surface of the first fluid holding tank;
a frame with which the first fluid holding tank is integral, the frame having an outer perimeter spatially within which the first and second tension springs and the fluid container are contained;
a rotational component connected to a lower side of the fluid container via a connecting rod, the rotational component configured to rotate upon lowering and rising of the fluid container;
a generator connected to the rotational component via a horizontal shaft, wherein the generator receives a power input from the rotational component, via the horizontal shaft;
a feedback hose connected between the second fluid holding tank and the first fluid holding tank; and
a hydraulic pump connected to the second fluid holding tank, the hydraulic pump configured to pump a fluid from the second fluid holding tank to the first fluid holding tank, via the feedback hose.
US Pat. No. 10,813,882

IN SITU GELLING FORMULATION FOR REDUCED INITIAL DRUG BURST

KING ABDULAZIZ UNIVERSITY...

1. An in situ gel formulation comprising:poly lactide-co-?-caprolactone (PLCL), wherein the ratio of lactide to caprolactone in PLCL is 25:75 and wherein the PLCL concentration is 40-45% w/v;
a surfactant with a hydrophilic-lipophilic balance value of 14-15;
a plasticizer;
a statin;
wherein the surfactant is a mixture of sorbitan monopalmitate 40 and polysorbate 80; and
wherein a ratio of the surfactant to the plasticizer is 80:20.
US Pat. No. 10,799,455

MICELLLES CONTAINING ALPHA LIPOIC ACID AS A TRANSDERMAL DRUG DELIVERY SYSTEM

King Abdulaziz University...

1. A micelle formulation, comprisinga tocopherol;
alpha lipoic acid (ALA); and
vinpocetine.

US Pat. No. 10,804,838

METHOD FOR HARVESTING SOLAR ENERGY

King Abdulaziz University...

1. A method of harvesting electricity from sunlight, comprising:determining, via circuitry of a sun tracker of a photovoltaic cell, an angle and an intensity of incident sunlight, and a position of the sun relative to a solar energy generating apparatus comprising at least one mirror and the photovoltaic cell, and adjusting a rotation angle of the at least one mirror to reflect the incident sunlight onto a top surface of the photovoltaic cell;
wherein the top surface of the photovoltaic cell is configured to generate electrical energy from the incident sunlight and a bottom surface of the photovoltaic cell is configured to thermally dispel heat generated by the photovoltaic cell;
adjusting a distance between the at least one mirror and the top surface of the photovoltaic cell based on the angle and the intensity of the incident sunlight such that the incident light is reflected by a reflective surface of the at least one mirror onto the top surface of the photovoltaic cell, wherein the at least one mirror is disposed adjacent to the top surface of the photovoltaic cell, wherein a plurality of hydraulic actuators each having a first end and a second end are connected to a hydraulic actuator pump that is configured to extend or retract the plurality of hydraulic actuators and adjust the distance between the at least one mirror and the top surface of the photovoltaic cell, wherein at least one first end is attached to the photovoltaic cell and at least one second end is attached to the at least one mirror;
wherein the hydraulic actuator pump is further connected to a heat exchanger and is configured to inject or withdraw a hydraulic fluid from the plurality of hydraulic actuators, wherein the hydraulic fluid is passed with a fluid pump connected to the heat exchanger through the heat exchanger, through the plurality of hydraulic actuators, and a radiator which draws heat from the photovoltaic cell; wherein the heat exchanger is filled with the hydraulic fluid and is disposed adjacent to and thermally coupled to the bottom surface of the photovoltaic cell,
adjusting, with a motor attached to the second end of the plurality of hydraulic actuators, a rotation angle of the at least one mirror based on the angle and the intensity of the incident sunlight such that the incident light is reflected by the reflective surface of the at least one mirror onto the top surface of the photovoltaic cell, wherein the at least one mirror is secured to the motor;
generating, via the top surface of the photovoltaic cell, electrical energy from the incident sunlight that is reflected onto the top surface of the photovoltaic cell by the reflective surface of the at least one mirror; and
dispelling, via the bottom surface of the photovoltaic cell through the heat exchanger, heat generated by the photovoltaic cell.

US Pat. No. 10,770,605

PHOTODIODE WITH SPINEL OXIDE PHOTOACTIVE LAYER

King Abdulaziz University...

1. A photodiode, comprising:an ohmic contact having a first work function;
an inorganic substrate layer in continuous contact with the ohmic contact;
a photoactive layer in continuous contact with the inorganic substrate layer;
a light absorption layer in continuous contact with the photoactive layer; and
a top electrode in contact with the light absorption layer, the top electrode having a second work function;
wherein the inorganic substrate layer comprises a semiconductor;
wherein the photoactive layer consists of ZnFe2O4 nanowires in N2, the ZnFe2O4 nanowires present at 80-90 vol % relative to a total volume of the photoactive layer;
wherein the ZnFe2O4 nanowires have widths of 35-45 nm and lengths of 170-350 nm;
wherein all ZnFe2O4 nanowires are physically adsorbed to the inorganic substrate layer and to the light absorption layer;
wherein the inorganic substrate layer and the photoactive layer are both p-type semiconductors forming an isotype junction between each other;
wherein the light absorption layer comprises at least one material selected from the group consisting of quantum dots, quantum rods, and quantum wires; and
wherein the second work function is higher than the first work function.
US Pat. No. 10,751,294

DEVELOPMENT OF AN OPTIMIZED AVANAFIL-LOADED INVASOMAL TRANSDERMAL FILM

King Abdulaziz University...

1. A nano scale invasome vesicle composition comprising,phosphatidylcholine,
ethanol,
a terpene; and
avanafil,
wherein,
phosphatidylcholine has a proportion of 6-14 weight %;
ethanol has a proportion of 2.0-5.0 weight %; and
the terpene has a proportion of 1.0 to 1.50 weight %;
and wherein the phosphatidylcholine, the ethanol, the terpene and the avanafil combine to form nano scale invasome vesicles, wherein the nano scale invasome vesicles have a size in the range of from 90 to 800 nm, and wherein the nano scale invasome vesicle composition is configured for systemic delivery.
US Pat. No. 10,744,137

LIQUISOLID TABLET CONTAINING COMBINED DOSE OF TADALAFIL AND DAPOXETINE

King Abdulaziz University...

1. A liquisolid tablet formulation, comprisinga microcrystalline cellulose carrier;
a silica coating;
a crosslinked polyvinylpyrrolidone (PVP) superdisintegrant;
tadalafil dissolved in a first solvent comprising polyethylene glycol (PEG) 200; and
dapoxetine dissolved in a second solvent comprising caprylocaproyl macrogol-8 glycerides,wherein the liquid load factor of the formulation is 0.2-0.4.

US Pat. No. 10,987,983

DAMPENING SAFETY DEVICE ABLE TO ATTACH TO A SOFT TOWLINE AND METHODS FOR USE

King Abdulaziz University...

1. A method of protecting against spring-back of towing hardware when using a tow line, comprising:connecting the tow line to a vehicle to be towed;
connecting at least one dampener to the tow line, wherein the at least one dampener comprises
a receptacle;
an opening in the receptacle which is selectively openable and closeable, wherein the opening allows weighted material to be selectively added to an inside of the receptacle during use and removal of the weighted material when not in use;
a first connector configured for reversible connection with the tow line;
a second connector configured for reversible connection with the towing hardware;
a first line extending from a first end of the receptacle to the first connector; and
a second line extending from a second end of the receptacle to the second connector,
wherein said step of connecting the at least one dampener to the tow line is performed with the first connector;
filling the receptacle with weighted material sufficient to dampen springback of the towline,
connecting the at least one dampener to the towing hardware on the vehicle to be towed or towing hardware on a towing vehicle at an end of the tow line, wherein said step of connecting the at least one dampener to either the towing hardware on the vehicle to be towed or the towing hardware on the towing vehicle is performed with the second connector; and
towing the vehicle to be towed with the towing vehicle.

US Pat. No. 10,988,393

LIGHT ACTIVATED WATER TREATMENT SYSTEM

King Abdulaziz University...

1. A light activated water treatment system, comprising:a pipe comprising a water inlet, a water outlet, and a transparent section located between the water inlet and the water outlet; and
a photocatalytic nanocomposite sheet comprising polymethylmethacrylate and silver phosphate located inside the transparent section, wherein the photocatalytic nanocomposite sheet is configured to decompose at least a portion of organic pollutants present in water,
wherein the photocatalytic nanocomposite sheet comprises the silver phosphate and the polymethylmethacrylate in a weight ratio of between 1:15 to 1:40.

US Pat. No. 10,987,657

GOLD SUPPORTED YTTRIUM OXIDE NANORODS AND METHODS OF USE THEREOF

King Abdulaziz University...

1. A catalyst, comprising:nanorods consisting of Y2O3; and
gold nanoparticles dispersed on a surface of the nanorods, wherein the gold is present at a concentration of 0.5-2 wt %.

US Pat. No. 10,981,812

PHOTOCATALYTIC WATER TREATMENT SYSTEM

King Abdulaziz University...

1. A photocatalytically active water treatment system, comprising:a pipe comprising a water inlet, a water outlet, and a transparent section located between the water inlet and the water outlet; and
a photocatalytic nanocomposite sheet comprising polymethylmethacrylate and silver phosphate located inside the transparent section, wherein the photocatalytic nanocomposite sheet is configured to decompose at least a portion of organic pollutants present in water, and
wherein the transparent section comprises a plurality of U-shaped tubes coupled to one another, each U-shaped tube containing a rolled section of the photocatalytic nanocomposite sheet.
US Pat. No. 10,982,082

CONDUCTIVE NANOCOMPOSITE HAVING A DUAL TEMPERATURE COEFFICIENT OF RESISTANCE AND A METHOD OF PREPARING

King Abdulaziz University...

1. A conductive nanocomposite comprising:a mixed polymer matrix comprising an isobutylene isoprene rubber and a polyethylene oxide,
graphene nanoparticles in the form of nanosheets in an amount of 0.1 to 5 wt % based on the total weight of the conductive nanocomposite, and
carbonyl iron metal nanoparticles having a mean particle diameter of 8 nm in an amount of 1-4 wt % based on the total weight of the conductive nanocomposite,
wherein the conductive nanocomposite has a nonlinear relationship between resistivity and temperature in the region of 25 to 180° C. characterized by an exponential increase reaching a peak resistivity followed by an exponential decrease, and
wherein the conductive nanocomposite has a peak resistivity of 2500 to 18000 ohm·cm at a temperature of 100 to 180° C.

US Pat. No. 10,959,987

IMIDAZOLE-BASED COMPOUNDS AS HEPATITIS C VIRUS INHIBITORS

King Abdulaziz University...

1. A compound of formula (I)
or a salt thereof, a solvate thereof, a tautomer thereof, a stereoisomer thereof, or a mixture thereof;
wherein:
R1 is selected from the group consisting of an optionally substituted alkyl, an optionally substituted cycloalkyl, an optionally substituted arylalkyl, and an optionally substituted aryl; and
m is an integer in a range of 2-8.

US Pat. No. 10,964,899

HYBRID JUNCTION SOLAR LIGHT SENSITIVE DEVICE

King Abdulaziz University...

1. A hybrid junction photodiode, comprising:an inorganic p-n junction having at least one inorganic semiconductor layer and at least one metal oxide semiconductor layer, wherein the metal oxide semiconductor layer is a ternary metal oxide and has the general formula Y1-xSrxA, where A is selected from the group consisting of ZnO, CdO, CoO3, and MnO3 and where 0?x?1; and
an organic p-n junction having at least one p-type organic semiconductor layer and at least one n type organic semiconductor layer;
wherein said inorganic p-n junction and said organic p-n junction are electrically connected in series.

US Pat. No. 10,965,221

SWITCHED CAPACITOR BASED BOOST INVERTER TOPOLOGY WITH A HIGHER NUMBER OF LEVELS AND HIGHER VOLTAGE GAIN

King Abdulaziz University...

1. A multi-level switched capacitor boost inverter, comprising:a two-switched capacitor circuit including a first capacitor, a second capacitor and a first plurality of switches (SL):
a first one-switched capacitor circuit including a third capacitor and a second plurality of switches (SR):
a source circuit including a DC voltage source and a third plurality of switches (SS), the source circuit connected in series between the two-switched capacitor circuit and the first one-switched capacitor circuit;
a pair of load terminals; and
a control circuit operatively connected to the pair of load terminals, the first, second and third capacitors and the first, second and third plurality of switches, wherein the control circuit is configured to generate drive signals to selectively operate the first, second and third plurality of switches to balance the first and second capacitors and provide an output voltage across the pair of load terminals.

US Pat. No. 10,920,487

PHOTOVOLTAIC SUNSHADE WITH PHOTOVOLTAIC THIN FILM STRIPS

King Abdulaziz University...

1. A sunshade system having a plurality of photovoltaically active sunshades, comprising:at least two sunshades, each comprising a flat surface constructed of a plastic polymer fabric,
wherein each flat surface constructed of plastic polymer fabric Is covered at least partially by a thin film comprising four rows of photovoltaic cells, each row comprising a plurality of photovoltaic cells connected in series, wherein the rows are connected In parallel, and wherein the photovoltaic cells are adhered to the plastic polymer fabric,
wherein each flat surface constructed of the plastic polymer fabric has a first end, a second end, a left edge, a right edge and a first central axis, a length (UL) between the first and second end and a width (W) between the left edge and the right edge;
for each sunshade:
a frame having a first rod perpendicular to the first central axis, the first rod having a left end and a right end, wherein a distance between the left end and the right end equals the width (W) of the plastic polymer fabric;
a second rod perpendicular to the first central axis and parallel to the first rod, the second rod having a left end and a right end, wherein a distance between the left end and the right end equals the width (W) of the plastic polymer fabric;
a third rod placed parallel to the first central axis, the third rod having a first end and a second end and a length (L), wherein the first end of the third rod is attached to a center of the first rod and extends at least partially through the first rod and wherein the second end of the third rod is attached to a center of the second rod;
a first guy wire having a first wire end and a second wire end, wherein the first wire end is attached to the left end of the first rod, and the second wire end is attached to the left end of the second rod;
a second guy wire having a third wire end and a fourth wire end, wherein the third wire end is attached to the right end of the first rod, and the fourth wire end is attached to the right end of the second rod;
wherein, for each sunshade, the flat surface of the plastic polymer fabric is attached at the first end to the first rod, attached at the second end to the second rod, wherein the plastic polymer fabric is attached along the first central axis to the third rod, attached along the left edge to the first guy wire and attached along the right edge to the second guy wire;
a first metal bar proximate to and parallel to each first rod;
a second metal bar proximate to and parallel to each second rod; further for each sunshade:
an electric motor having a body and a shaft extending perpendicularly to the body, wherein the electric motor is attached to the first metal bar and the shaft is parallel to the first central axis,
wherein the third rod is connected at the first end to the electric motor shaft;
a hinge connected to the second metal bar, wherein the third rod is connected at the second end to the hinge; and
a first controller operatively connected to the electric motors, the first controller including circuitry configured to actuate the electric motors to rotate the shaft bi-directionally through an angle of 180 degrees.

US Pat. No. 10,907,107

AMPHIPHILIC ASPHALTENE IONIC LIQUIDS AS DEMULSIFIERS FOR HEAVY PETROLEUM CRUDE OIL-WATER EMULSIONS

King Abdulaziz University...

1. A method of stabilizing petroleum crude oil, comprising combining a petroleum crude oil with a quantity of an amphiphilic asphaltene ionic liquid, wherein the quantity of amphiphilic asphaltene ionic liquid is sufficient to prevent aggregation and precipitation of asphaltenes from the petroleum crude oil, thereby stabilizing the petroleum crude oil.

US Pat. No. 10,907,408

SELF-POWERED DYNAMIC PHOTOVOLTAIC SUNSHADE

King Abdulaziz University...

1. A self-powered dynamic photovoltaic sunshade system having a plurality of sunshades, comprising:at least one sunshade, each sunshade comprising a flat surface constructed of a plastic polymer fabric,
wherein each flat surface constructed of plastic polymer fabric is covered at least partially by at least one thin film of electrically connected photovoltaic cells adhered to the plastic polymer fabric,
wherein each flat surface constructed of the plastic polymer fabric has a first end, a second end, a left edge, a right edge and a first central axis, a length (UL) between the first and second end and a width (W) between the left edge and the right edge;
for each sunshade:
a frame having a first rod perpendicular to the second central axis, the first rod having a left end and a right end, wherein the distance between the left end and the right end equals the width (W) of the plastic polymer fabric;
a second rod perpendicular to the first central axis and parallel to the first rod, the second rod having a left end and a right end, wherein the distance between the left end and the right end equals the width W of the plastic polymer fabric;
a third rod placed parallel to the first central axis, the third rod having a first end and a second end and a length (L), wherein the first end of the third rod is attached to a center of the first rod and extends at least partially through the first rod and wherein the second end of the third rod is attached to the center of the second rod;
a first guy wire having a first wire end and a second wire end, wherein the first wire end is attached to the left end of the first rod, and the second wire end is attached to the left end of the second rod;
a second guy wire having a third wire end and a fourth wire end, wherein the third wire end is attached to the right end of the first rod, and the fourth wire end is attached to the right end of the second rod;
wherein, for each sunshade, the flat surface of the plastic polymer fabric is attached at the first end to the first rod, attached at the second end to the second rod, wherein the plastic polymer fabric is attached along the first central axis to the third rod, attached along the left edge to the first guy wire and attached along the right edge to the second guy wire;
a first metal bar proximate to and parallel to each first rod;
a second metal bar proximate to and parallel to each second rod;
further for each sunshade:
an electric motor having a body and a shaft extending perpendicularly to the body, wherein the electric motor is attached to the first metal bar and the shaft is parallel to the first central axis,
wherein the third rod is connected at the first end to the electric motor shaft;
a hinge connected to the second metal bar, wherein the third rod is connected at the second end to the hinge; and
a first controller operatively connected to the electric motor, the controller including circuitry configured to actuate the electric motor to rotate the shaft bi-directionally through an angle of 180 degrees.

US Pat. No. 10,905,651

ZEINMERSOME NANOCARRIERS FOR DRUG DELIVERY TO THE LIVER

King Abdulaziz University...

1. A pharmaceutical composition of a drug encapsulated in a zeinmersome, comprising a mixture of zein, an amphiphilic copolymer and at least one phospholipid,wherein the zein, the amphiphilic copolymer and the at least one phospholipid form a lipid bilayer, and
wherein the lipid bilayer encapsulates a suitable amount of the drug within a nanosized zeinmersome vesicle bounded by the lipid bilayer,
wherein the size range of the zeinmersome is 95 to 200 nm in diameter.

US Pat. No. 10,892,369

PHOTODIODE HAVING AN ALUMINUM METAL OHMIC CONTACT AND A SPINEL OXIDE LAYER

King Abdulaziz University...

1. A photodiode, comprising:an aluminum metal ohmic contact having a first work function;
an inorganic substrate layer in continuous contact with the ohmic contact;
a photoactive layer in continuous contact with the inorganic substrate layer;
a light absorption layer in continuous contact with the photoactive layer; and
a top electrode in contact with the light absorption layer, the top electrode having a second work function;
wherein the inorganic substrate layer comprises a semiconductor;
wherein the photoactive layer consists of ZnFe2O4 nanowires in N2, the ZnFe2O4 nanowires present at 80-90 vol % relative to a total volume of the photoactive layer;
wherein the ZnFe2O4 nanowires have widths of 35-45 nm and lengths of 170-350 nm;
wherein all ZnFe2O4 nanowires are physically adsorbed to the inorganic substrate layer and to the light absorption layer;
wherein the inorganic substrate layer and the photoactive layer are both p-type semiconductors forming an isotype junction between each other;
wherein the light absorption layer comprises at least one material selected from the group consisting of quantum dots, quantum rods, and quantum wires; and
wherein the second work function is higher than the first work function.

US Pat. No. 10,888,566

CHEMOSENSITIZATION OF RESISTANT PSEUDOMONAS AERUGINOSA BY SYNTHETICALLY RELATED COMPOUNDS

KING ABDULAZIZ UNIVERSITY...

1. A method of preventing or treating an infection caused by Pseudomonas aeruginosa (Pa) in a subject in need thereof, comprisingadministering to the subject a compound of Formula I and an antibiotic, wherein the compound of Formula I has the following structure:
and salts, hydrates and stereoisomers thereof,whereinAr1 and Ar2 may be the same or different and are a substituted or unsubstituted aryl or heteroaryl;
X is
i) N, O, S or C and R is substituted or unsubstituted, saturated or unsaturated, branched or unbranched C1-C10 alkyl; a 5-8 carbon unicyclic ring that is substituted or unsubstituted, saturated or unsaturated, cyclic alkyl or heterocyclic; or a 10-12 carbon polycyclic ring that is substituted or unsubstituted, saturated or unsaturated, cyclic alkyl or heterocyclic;orii) X and R are atoms of
a 5-8 carbon unicyclic ring that is substituted or unsubstituted, saturated or unsaturated, cyclic alkyl or heterocyclic; or
a 10-12 carbon polycyclic ring that is substituted or unsubstituted, saturated or unsaturated, and cyclic alkyl or heterocyclic;andn1 and n2 are the same or different and =1 or 2.

US Pat. No. 10,882,852

3-VINYLQUINOLINES AS CANCER CELLS INHIBITORS

King Abdulaziz University...

1. A compound, or a pharmaceutically acceptable salt thereof, having a structure selected from the group consisting:

US Pat. No. 10,887,105

BIOSHARES: APPLY SHAMIR SECRET SHARING TO SECURE FINGERPRINT IN THE CLOUD

King Abdulaziz University...

1. A secure fingerprint identification method, comprising:storing n shares of original transformed gallery pair tables for each of one or more persons into n cloud computer systems, where n is a natural number of one or more,
each of the original transformed gallery pair tables is generated using a client computer including:
creating fingerprint minutiae points based on a person's fingerprint,
for each row in the original transformed gallery pair table,
obtaining a first biometric input v, defined as a distance d between a minutiae pair and angles B1 and B2 of each pair of minutiae points,
transforming the first biometric input v into first transformed data v? using transform parameters,
determining an integer quotient part and a residual of a fraction part using the first transformed data v?,
applying a secret-sharing scheme to the integer quotient part that splits the integer quotient part into the n shares and determines a threshold number of shares, and
inserting one share of the integer quotient part into the respective row of one share of the original transformed gallery pair table;
collecting, with a user's computer, data for a probe pair table;
generating, with the user's computer, the probe pair table including:
for each row in the probe pair table,
obtaining a second biometric input v, defined as distance d between minutiae pair and angles B1 and B2 of each pair of minutiae points,
transforming the second biometric input v into second transformed data v? using the transform parameters,
determining a probe integer quotient part and a probe fraction part using the second transformed data v;
downloading the threshold number of the n shares of the transformed gallery pair tables for each of the one or more persons stored in the n clouds;
applying, using a server computer, the secret-sharing scheme to reconstruct the integer quotient part from the threshold number of shares of the integer quotient part; and
matching, using the server computer, the probe pair table against the transformed gallery pair tables for the one or more persons, including exactly matching the probe integer quotient part and the reconstructed integer quotient part, wherein a match with one person's gallery pair table identifies the user's fingerprint.
US Pat. No. 10,881,760

ANTIOXIDANT, ANTIBACTERIAL, INJECTABLE LIGNIN-GELATIN COMPOSITE CRYOGELS FOR WOUND HEALING AND TISSUE ENGINEERING

KING ABDULAZIZ UNIVERSITY...

1. A method of preparing a macroporous composition for wound healing or tissue engineering, comprising:dispersing lignin submicron particles within gelatin, the dispersing step forming a dispersion;
forming a cryogel from the dispersion by gelation of the dispersion at a subfreezing temperature, wherein said forming step crosslinks the gelatin while ice crystals are grown in the dispersion; and
thawing the cryogel to room temperature to obtain the macroporous composition comprising crosslinked gelatin with the lignin submicron particles distributed therein.

US Pat. No. 10,882,022

METHOD OF REMOVING ORGANIC POLLUTANTS FROM WATER USING BALL MILLED AND SONICATED OIL FLY ASH POWDER

King Abdulaziz University...

1. A method of removing an organic pollutant from water, comprising:contacting the water with a ball milled and sonicated oil fly ash powder to adsorb the organic pollutant onto the ball milled and sonicated oil fly ash powder;
wherein the ball milled and sonicated oil fly ash powder has an average particle size of less than 1 ?m and a BET surface area of 20-24 m2/g.

US Pat. No. 10,882,044

CULTURE PLATE AID

KING ABDULAZIZ UNIVERSITY...

1. A method of imaging a well in a multiwell plate, comprising:applying a cover to the multiwell plate, wherein the cover comprises
a frame configured for attachment to the multiwell plate;
a first movable guide member having two elongated side members that extend across the width of the plate, wherein a gap between the side members is substantially equal to a diameter of a single well in the multiwell plate and wherein the first movable guide member is slidable along the length of the frame; and
a second movable guide member having two elongated side members that extend across the length of the plate, wherein a gap between the side members is substantially equal to a diameter of a single well in the multiwell plate and wherein the second movable guide member is slidable along the width of the frame,
wherein the first and second movable guide member are configured to move independently from each other;
adjusting the first and second movable guide members until the well is viewable through the gap created by the elongated side members of the first and second movable guide members; and
imaging the well.

US Pat. No. 10,869,737

EUGENOL DENTAL COMPOSITION

King Abdulaziz University...

1. A composition having a pH ranging from 6.0 to 8.0 comprising:eugenol,
at least one crosslinked polymer of acrylic acid or other gelling agent, and
at least one polysorbate in an amount of 25-50 wt % of the total weight of the composition;
wherein said composition contains an amount of eugenol sufficient to reduce the Vickers hardness of a cured or hardened orthodontic bonding adhesive cement or resin to a value of 70 or less after contact for at least 10 mins and/or is sufficient to reduce debonding force needed to remove a metal bracket from an enamel surface of a tooth compared to debonding force needed to remove a metal bracket not contacted with the composition.

US Pat. No. 10,867,716

SYSTEMS AND METHODS FOR PRODUCING ACTINIUM-225

King Abdulaziz University...

1. An Actinium-225 generator, comprising:a neutron source;
a neutron target arranged to receive neutrons emitted from the neutron source, wherein the neutron target comprises nickel, manganese, or iron; and
a proton target arranged to receive protons emitted from the neutron target, wherein the proton target comprises radium-226.

US Pat. No. 10,840,969

METHOD AND APPARATUS FOR NON-COHERENT DETECTION OF OVERLAPPED CHIRP SIGNAL TO INCREASE DATA RATE OF A CHIRP SPREAD

King Abdulaziz University...

1. A system for transmission and non-coherent detection of data signals modulated by a plurality of overlapping chirps in a chirp spread spectrum communication system (CSS), comprising:an adaptive overlapping transmitter configured to receive a bit stream of data signals at a first data rate (Rold) and a sweep frequency (F), the adaptive overlapping transmitter including:
a data rate generator configured to increase the first data rate (Rold) of the bit stream of data signals to a second data rate (Rnew), wherein the second data rate is greater than the first data rate;
a differential phase converter configured to encode the data signals at the second data rate with a phase difference between each two consecutive bits and generate a phase encoded bit stream;
an antipodal pulse converter connected in series to the data rate generator and configured to convert the phase encoded bit stream to positive and negative pulses;
a finite impulse response (FIR) chirp generator connected in series to the antipodal pulse converter and configured to generate chirp signals from the positive and negative pulses;
a gain amplifier connected in series to the FIR chirp generator and configured to increase the gain of the chirp signals and output a chirp modulated stream of data signals;
a wireless antenna connected in series with the gain amplifier and configured to transmit the chirp modulated stream of data signals;
a first computing device operatively connected to the adaptive overlapping transmitter, the first computing device including a first computer-readable medium comprising first program instructions, executable by first processing circuitry, to cause the first processing circuitry to modulate the bit stream of data signals by a plurality of overlapping chirps and to actuate the wireless antenna to transmit the chirp modulated stream of data signals;
a non-coherent receiver configured to receive the chirp modulated stream of data signals, the non-coherent receiver comprising:
a non-coherent finite impulse response (FIR) chirp matched filter configured to match the chirp modulated stream of data signals and generate a first chirp matched signal;
a FIR delay filter operatively connected to the non-coherent finite impulse response (FIR) chirp matched filter and configured to generate a second chirp matched signal which is phase shifted from the first chirp matched signal;
a multiplier operatively connected to the FIR delay filter and configured to multiply the second chirp matched signal by the first chirp matched signal to generate a multiplied chirp matched signal;
an integrator operatively connected to the multiplier and configured to sum the amplitudes of multiplied chirp matched signal over a time period;
a decision circuit operatively connected to the integrator, the decision circuit operatively connected to a second computing device having a second computer-readable medium comprising second program instructions, executable by second processing circuitry, to cause the second processing circuitry to determine a polarity of each bit based on the sum of the amplitudes, convert each bit to a one or a zero based on its polarity and output a decoded stream of ones and zeroes representative of the data signals.

US Pat. No. 10,840,823

MULTILEVEL INVERTER TO GENERATE AN ALTERNATING CURRENT VOLTAGE FROM ONE OR MORE DIRECT CURRENT SOURCES

KING ABDULAZIZ UNIVERSITY...

1. A multilevel inverter apparatus, comprising:an inner DC source group circuit configured to generate a plurality of voltage levels, the inner DC source group having a first plurality of DC sources and a first plurality of switching elements, wherein the first plurality of DC sources is greater than or equal to two;
an outer DC source group circuit configured to generate a substantially sinusoidal output voltage using, at least in part, the plurality of voltage levels generated by the inner DC source group circuit, the outer DC source group circuit having an input contact and an output contact, wherein the input contact is connected to the inner DC source group circuit, the outer DC source group circuit including:
a first DC voltage source, a second DC voltage source, a second plurality of switching elements including a first switching element, a second switching element and a third switching element,
wherein a negative terminal of the first DC voltage source is connected to the input contact,
wherein the first switching element is connected between the input contact and the output contact,
wherein the second switching element is connected between a positive terminal of the first DC voltage source and the output contact,
wherein the third switching element is connected between the input contact and a negative terminal of the second DC voltage source,
wherein the negative terminal of the second DC voltage source is connected to the output contact; and
an H-bridge circuit connected to the output contact, the H-bridge circuit having load contacts and a third plurality of switching elements;
a control circuit operatively connected to the first, second and third plurality of switching elements, the control circuit including circuitry and a computer-readable medium comprising program instructions, executable by processing circuitry, to cause the processing circuitry to selectively actuate the first, second and third plurality of switching elements by hybrid modulation to supply the plurality of voltage levels in a substantially sinusoidal output voltage at alternating polarities to the load contacts.

US Pat. No. 10,836,729

METABOLICALLY STABLE 5-HMF DERIVATIVES FOR THE TREATMENT OF HYPOXIA

King Abdulaziz University...

1. A compound, or pharmaceutically acceptable salt or solvate thereof, wherein said compound is

US Pat. No. 10,836,736

PHARMACEUTICAL COMPOSITION WITH CYTOTOXIC ACTIVITY ON COLORECTAL CANCER CELLS

King Abdulaziz University...

1. A pharmaceutical composition having cytotoxic activity against colorectal cancer cells, comprising:a compound of formula (I):
anda pharmaceutically acceptable carrier and/or excipient.

US Pat. No. 10,823,674

ANTIMONY ADSORBENT

King Abdulaziz University...

1. An antimony adsorbent, comprising:a nanocomposite; and
antimony, wherein the antimony is adsorbed on the nanocomposite;
wherein the nanocomposite comprises thallium-doped gadolinium sulfide quantum dots of formula Tl0.05Gd0.95S and a benzothiazolium salt bound to a surface of the thallium-doped gadolinium sulfide quantum dots,
wherein the thallium-doped gadolinium sulfide quantum dots have an average particle size to 3 to 7 nm, and
wherein the benzothiazolium salt is

(2-(4-(dimethylamino)styryl)-3-ethyl-benzothiazolium bromide).

US Pat. No. 10,793,684

METHOD OF REDUCING AN ORGANIC POLLUTANT IN CONTAMINATED WATER

King Abdulaziz University...

1. A method of reducing an organic pollutant in contaminated water, comprising:crosslinking an acidic aqueous solution of chitosan with formaldehyde to form a crosslinked chitosan hydrogel;
neutralizing the crosslinked chitosan hydrogel;
soaking the crosslinked chitosan hydrogel in a loading solution comprising water and a transition metal salt to form a metal ion-loaded crosslinked chitosan hydrogel;
drying and milling the metal ion-loaded crosslinked chitosan hydrogel to form a metal ion-loaded crosslinked chitosan microgel;
mixing the metal ion-loaded crosslinked chitosan microgel with a reduction solution comprising water and a first reducing agent to reduce the transition metal salt to metal nanoparticles and form a metal nanoparticle-loaded crosslinked chitosan microgel, wherein the transition metal salt is a silver salt and the transition metal nanoparticles are present in an amount of 5 to 60 wt % based on a total weight of the metal nanoparticle-loaded crosslinked chitosan microgel; then
contacting the contaminated water with the metal nanoparticle-loaded crosslinked chitosan microgel in the presence of a second reducing agent to react with the organic pollutant and form a purified water having less of the organic pollutant.
US Pat. No. 10,780,139

HYPERICUM REVOLUTUM EXTRACT AS A VASODILATOR

King Abdulaziz University...

1. A method of dilating blood vessels in a subject in need thereof, comprising administering to the subject a therapeutically effective amount of a composition comprising i) an extract of Hypericum revolutum or ii) one or more compounds obtainable from an extract of Hypericum revolutum or salts or solvates thereof, wherein the composition comprises 2,3,4-trimethoxy xanthone.

US Pat. No. 10,767,119

AMPHIPHILIC ASPHALTENE IONIC LIQUIDS AS DEMULSIFIERS FOR HEAVY PETROLEUM CRUDE OIL-WATER EMULSIONS

King Abdulaziz University...

1. A method of demulsifying a petroleum crude oil-water emulsion, comprisingcombining a first petroleum crude oil-water emulsion with a quantity of an amphiphilic asphaltene ionic liquid sufficient to demulsify the first petroleum crude oil-water emulsion,
wherein the amphililic asphaltene ionic liquid is or comprises an asphaltene quaternary alkylaminopyridinium cation with one or more different organic anionic salts, and
wherein the amphililic asphaltene ionic liquid is made by either
a) oxidizing one or more alkyl chains on a periphery of asphaltene molecules to form asphaltene carboxylic acids (ACA),
converting carboxylic acid groups to acid chlorides forming asphaltene acid chlorides (As—COCl), and
reacting the As—COCl with one or more quaternized ethoxylated alkyl pyridinium salts,
or
b) reacting the asphaltene with malic anhydride to form asphaltene malic anhydride adducts (AMA) which have one or more carboxylic acids on a periphery of the AMA molecules,
converting carboxylic acid groups to acid chlorides forming asphaltene acid chlorides (As—COCl), and
reacting the As—COCl with one or more quaternized ethoxylated alkyl pyridinium salts,
or
c) reacting the asphaltene with malic anhydride to form asphaltene malic anhydride adducts (AMA) which have one or more carboxylic acids on a periphery of the AMA molecules, and
reacting the AMA molecules with one or more quaternized ethoxylated alkyl pyridinium salts.
US Pat. No. 10,688,224

PROSTHETIC IMPLANTABLE ANTIBACTERIAL SURGICAL MESH

King Abdulaziz University...

1. An implantable medical prosthetic mesh having nanofibers deposited on the surface of a mesh substrate, wherein the nanofibers comprise:chitosan in an amount in the range of 8 wt. % to 35 wt. %, the chitosan having a degree of deacetylation in a range of 70% to 95%;
an antibiotic in an amount in the range of 15 wt. % to 35 wt. %; and
a polymer blend in an amount in the range of 45 wt. % to 70 wt. %, each weight percent relative to a total weight of the nanofibers;
wherein the polymer blend comprises polyvinyl alcohol and polyvinylpyrrolidone;
wherein the nanofibers are formed by
mixing a first solution of chitosan with a second solution of the antibiotic and the polymer blend to form a solution mixture, and
electrospinning the solution mixture to form the nanofibers,
wherein an average diameter of the nanofibers is in a range of 50 nm to 300 nm,
wherein the nanofibers have a bore size in a range of 300 nm to 900 nm,
wherein the antibiotic is released from the nanofibers steadily for at least 14 days, and
wherein the implantable medical prosthetic mesh has an antibiotic release rate in a range of 0.01 ?g/(cm2·min) to 10 ?g/(cm2·min).

US Pat. No. 10,994,387

FABRICATION OF FLEXIBLE CONDUCTIVE FILMS, WITH SEMICONDUCTIVE MATERIAL, FORMED WITH RUBBING-IN TECHNOLOGY FOR ELASTIC OR DEFORMABLE DEVICES

King Abdulaziz University...

1. A method for preparing a deformable,semiconductive, composite, comprising:
stretching a rubber substrate;
applying a first powder of a first conductive material to a surface of the substrate while the rubber substrate is stretched;
rubbing the first powder of the conductive material into the surface of the substrate using a loading device which applies pressure on the first powder against the surface and which moves in a plurality of directions across the surface, wherein rubbing produces an embedded region of the conductive material in the surface of the rubber substrate, wherein rubbing the first powder is performed while the rubber substrate is stretched;
removing one or more portions of the embedded region so as to remove the conductive material in the one or more portions and associated rubber in the one or more portions of the embedded region so as to expose one or more regions of the rubber substrate where the one or more portions were removed;
applying a second powder comprising a second conductive material and a semiconductive material in the one or more regions of the rubber substrate where the one or more portions were removed while the rubber substrate is stretched;
rubbing the second powder into the one or more regions of the rubber substrate where the one or more portions were removed using the loading device which applies pressure on the second powder against the surface and which moves in a plurality of directions across the surface, wherein rubbing the second powder is performed while the rubber substrate is stretched; and
relaxing the stretch on the rubber substrate to produce the deformable, semiconductive, composite, wherein the deformable, semiconductive composite, comprises a first portion which is rubber which is not doped with the first conductive material, the second conductive material, or the semiconductive material, a second portion which comprises rubber doped with the first conductive material, and one or more third portions which comprises rubber doped with the second conductive material and the semiconductive material.

US Pat. No. 10,989,711

GOLD@ZINC SALEN-BASED METAL ORGANIC FRAMEWORK COMPOSITE AND METHODS OF USE THEREOF

King Abdulaziz University...

1. A metal organic framework composite, comprising:a plurality of zinc ions,
a salen ligand, wherein each of said plurality of zinc ions are coordinated with the salen ligand to form a salen complex metal-organic framework; and
gold nanoparticles dispersed on a surface and pores of the salen complex metal-organic framework; wherein the salen ligand is
.

US Pat. No. 10,988,439

CYTOTOXIC COMPOUNDS, PHARMACEUTICAL COMPOSITIONS THEREOF, AND METHODS OF TREATING CANCER

King Abdulaziz University...

1. A compound of formula (I),
or a salt thereof, a solvate thereof, a tautomer thereof, a stereoisomer thereof, or a mixture thereof;
wherein:
R1 is phenyl;
R2 is selected from the group consisting of methyl, ethyl, p-aminophenyl, p-chlorophenyl, m-chlorophenyl, m-fluorophenyl, p-methylphenyl,
andR3, R4, R5, and R6 are each hydrogen;
A is *—C(O)—*; and
n is 1.

US Pat. No. 10,989,575

MULTIFUNCTIONAL PRESSURE, DISPLACEMENT AND TEMPERATURE GRADIENT SENSOR

King Abdulaziz University...

1. A multifunctional pressure, displacement, and temperature gradient sensor, comprising:a hollow body comprised of one or more side walls, wherein said hollow body has a first and a second end;
a fixed electrode fixed on the first end of the hollow body;
a moveable electrode at the second end of the hollow body slideable longitudinally in the hollow body toward the fixed electrode, wherein the fixed electrode, the moveable electrode, and the hollow body define a volume of variable size within said hollow body between said fixed electrode and said moveable electrode;
first and second thermocouples respectively connected to the fixed electrode at the first end of the hollow body and the moveable electrode at the second end of the hollow body; and
a compressible powder comprised of one or more of carbon nanotubes and graphene filling the volume of variable size within said hollow body between said fixed electrode and said moveable electrode,
wherein the sensor provides a measurement of pressure, longitudinal compressive displacement, and temperature gradient.

US Pat. No. 10,980,561

ROTARY RESECTOSCOPE

King Abdulaziz University...

1. A resectoscope with a proximal end and a distal end, comprising:a telescope with a longitudinal center axis;
a loop with at least one electrode at the distal end; and
user controls at the proximal end that are rotatable, wherein rotation of the user controls while the telescope is stationary causes the at least one electrode to rotate relative to the telescope around a first axis of rotation,
wherein the user controls are configured to be directly contacted by a user to cause the at least one electrode to rotate, and
wherein the user controls are rotatable around a second axis of rotation, wherein the second axis of rotation is the longitudinal center axis of the telescope.

US Pat. No. 10,981,872

DI(2-ARYL HYDROZONOPROPANAL) ARENE DERIVATIVES

King Abdulaziz University...

1. A compound of Y—X—Y, whereX is aryl or heteroaryl, and
Y is
where ** is a point of attachment to X;and wherein Ar is
where R1, R2, R3, R4 and R5 are independently the same or different and are H, lower alkyl, or CN, with the caveat that at least one of R1, R2, R3, R4 and R5 is not H; and where * is the point of attachment to the amine of Y.

US Pat. No. 10,983,496

APPARATUS AND METHOD FOR NON-INTRUSIVE LOAD MONITORING AIDED HYBRID HIGH AND LOW FREQUENCY APPROACHES

King Abdulaziz University...

1. An apparatus for monitoring power consumption of individual appliances in a building, comprising:a smart meter circuit configured for measuring and collecting power level data across three electrical supply phases and compatible with three-phase services; and
a control circuit configured for
data handling,
sensing an activity level in said building,
switching between high frequency sampling and low frequency sampling modes based on a sensed activity level in said building, and
sending data to a cloud based server,
wherein said control circuit is configured to switch to high frequency sampling when the sensed activity level is above a specified threshold, and wherein high frequency data sampled during high frequency sampling has extractable voltage current (VI) trajectory data, and
wherein said control circuit is configured to switch to low frequency sampling when the sensed activity level is below said specified threshold, and wherein said power level data is measured and collected during said low frequency sampling,
wherein said activity level sensed is based on all of a number of appliance events in a window of time, a number of occupants in the building during a sensing period, and a time of day,
wherein the window of time, the sensing period, and the time of day, may be the same or different.

US Pat. No. 10,975,102

HETEROCYCLIC DIAZENYL PYRIDINONE COPPER(II) COMPLEXES AS PHARMACOLOGICAL ANTITUMOR AGENTS

King Abdulaziz University...

1. A compound of Formula I:
where X=a C1 to C20 hydrocarbon which is optionally substituted, and where X may be the same or different at both locations.
US Pat. No. 10,973,760

INSTANTLY DISSOLVING BUCCAL FILMS

King Abdulaziz University...

1. An instantly dissolving buccal film comprising:tartaric acid,
hydroxypropyl beta cyclodextrin,
hydroxypropyl methylcellulose (HPMC),
maltodextrin, wherein a ratio of HPMC to maltodextrin is from 1:3 to 3:1, and
25-35 mg dapoxetine hydrochloride, wherein a ratio of hydroxypropyl-?-cyclodextrin to dapoxetine hydrochloride to tartaric acid is 1:1:1.

US Pat. No. 10,969,119

HYBRID PHOTOVOLTAIC DEVICE AND RADIANT HEATING AND COOLING DEVICE WITH THERMAL STORAGE

King Abdulaziz University...

1. A hybrid photovoltaic and radiant heating and cooling device, comprising:a photovoltaic panel;
a radiant heating and cooling panel;
a first heat-exchanging pipe in direct contact with a back surface of the photovoltaic panel;
a second heat-exchanging pipe in direct contact with a back surface of the radiant heating and cooling panel; and
a thermal storage tank fluidly connecting the first and the second heat-exchanging pipes, wherein the tank is arranged between the first and second heat-exchanging pipes, and wherein the tank and the first and second heat exchanging pipes are between the photovoltaic panel and the radiant heating and cooling panel, all in a thickness direction,
wherein the photovoltaic panel, the radiant heating and cooling panel, the first heat-exchanging pipe, the second heating-exchanging pipe, and thermal storage tank are assembled together as a modular unit which is integratable into a wall, window, or roof of a building.

US Pat. No. 10,962,529

FLUORESCENT PROBE BASED BIOSENSOR AND ASSAY FOR THE DETECTION OF SARS-COV-2

King Abdulaziz University...

1. A method for detecting a SARS-Cov-2 protease in a biological sample, comprising:contacting the biological sample with a fluorescent probe based sensor, wherein the sensor comprises an L-Histidine-D-aspartic acid peptide substrate, a fluorophore, and a quencher molecule; and
detecting the SARS-Cov-2 protease when an increase in fluorescence is observed.

US Pat. No. 10,941,274

NANOPARTICLE-INFUSED ABS FILAMENT FOR 3D-PRINTED MATERIALS AND USES FOR NEUTRON DETECTION AND DISCRIMINATION

King Abdulaziz University...

1. A filament comprising acrylonitrile butadiene styrene (ABS) and infused with at least one metal selected from the group consisting of gadolinium, boron, gold and cadmium, wherein the at least one metal is present in the ABS filament at a concentration in the range of 0.1 to 10 w/w.

US Pat. No. 10,917,021

MULTILEVEL INVERTER WITH REDUCED NUMBER OF COMPONENTS

King Abdulaziz University...

1. A 15-level multilevel inverter circuit, comprising:an outer circuit including:
a plurality of outer direct current (DC) voltage supplies, each outer DC voltage supply having a positive and a negative terminal;
a plurality of outer unidirectional power switches, each outer unidirectional power switch having an emitter, a collector, and a gate, wherein each outer unidirectional power switch is in parallel with a diode;
an inner circuit including:
a plurality of inner DC voltage supplies, each inner DC voltage supply having a positive and a negative terminal;
a plurality of inner unidirectional power switches, each inner unidirectional power switch having an emitter, a collector, and a gate, wherein each unidirectional power switch is in parallel with a diode;
a polarity changing circuit including:
four polarity changing unidirectional power switches arranged in an H-bridge formation, each polarity changing unidirectional power switch having an emitter, a collector, and a gate, wherein each polarity changing unidirectional power switch is in parallel with a diode;
a multilevel inverter output terminal;
a computing device including processing circuitry and program instructions configured to:
provide control signals to the gates of the plurality of outer unidirectional power switches of the outer circuit to switch the plurality of outer DC voltage supplies of the outer circuit to form square waveforms which approximate sinusoidal waveforms;
provide control signals to the gates of the plurality of the inner unidirectional power switches of the inner circuit to add or subtract the voltage of each of the inner DC voltage supplies with a voltage at the multilevel inverter output terminal;
provide control signals to the gates of the polarity changing unidirectional power switches to switch the polarity of the voltage at the multilevel inverter output terminal.
US Pat. No. 10,894,113

PROSTHETIC IMPLANTABLE ANTIBACTERIAL SURGICAL MESH

King Abdulaziz University...

1. A method of making an implantable medical prosthetic mesh comprising nanofibers and a polymer mesh, said method comprising:mixing a first solution containing chitosan in an amount in the range of 0.5 wt. % to 5 wt. % with a second solution comprising an antibiotic in an amount in the range of 1.0 wt. % to 5.0 wt. % and a polymer blend in an amount in the range of 6 wt. % to 15 wt. %, and
electrospinning the solution mixture to form the nanofibers, wherein the nanofibers comprise:
the chitosan in an amount in the range of 8 wt. % to 35 wt. %, the chitosan having a degree of deacetylation in a range of 70% to 95%;
the antibiotic in an amount in the range of 15 wt. % to 35 wt. %; and
the polymer blend in an amount in the range of 45 wt. % to 70 wt. %, each weight percent relative to a total weight of the nanofibers,
wherein the polymer blend comprises polyvinyl alcohol and polyvinylpyrrolidone;
wherein an average diameter of the nanofibers is in a range of 50 nm to 300 nm;
wherein the nanofibers have a bore size in a range of 300 nm to 900 nm, then
depositing the nanofibers onto a mesh substrate to form the implantable medical prosthetic mesh having the nanofibers present on the surface of the mesh substrate; and
wherein the antibiotic is released from the nanofibers steadily for at least 14 days, and wherein the implantable medical prosthetic mesh has an antibiotic release rate in a range of 0.01 ?g/(cm2·min) to 10 ?g/(cm2·min).

US Pat. No. 10,888,845

GRAPHENE-TUNGSTEN OXIDE-METAL BORIDE/HYDROXIDE PHOTOCATALYSTS, AND METHODS FOR ORGANIC POLLUTANT DEGRADATION AND HYDROGEN PRODUCTION

King Abdulaziz University...

1. A composite photocatalyst comprising:catalytic nanoparticles comprising tungsten oxide and graphene; and
co-catalyst nanoparticles comprising a transition metal boride and a transition metal hydroxide disposed upon the catalytic nanoparticles.

US Pat. No. 10,875,006

LUMINESCENT NANOCOMPOSITE FOR ULTRASENSITIVE DETECTION OF MERCURY

KING ABDULAZIZ UNIVERSITY...

1. A luminescent nanocomposite comprising:Nanosheets comprising
A transition metal selected from the group consisting of molybdenum and tungsten;
A chalcogen element;
A rare earth element; and
?-Lactamase disposed upon a surface of the nanosheets.

US Pat. No. 10,877,166

SLOW NEUTRON CHEMICAL DOSIMETER USING CR(VI)—GD MIXTURE

King Abdulaziz University...

1. A chemical dosimeter for measuring an absorbed neutron dose, comprising:a container holding an aqueous solution which includes chromate ions in a hexavalent state (Cr(VI)), gadolinium, and sodium formate, and
one or more gadolinium sheets which surround the aqueous solution,
wherein the one or more gadolinium sheets comprise a window which permits both dosing of the aqueous solution with neutron radiation from an environment outside of the container.

US Pat. No. 10,880,752

METHOD FOR SPECTRUM SENSING UNOCCUPIED FREQUENCY

King Abdulaziz University...

1. A method for spectrum sensing a frequency spectrum unoccupied by one or more primary users for assignment to a plurality of secondary users in a cognitive radio network, each secondary user including a controller and multiple antennas, comprising:local spectrum sensing, by the multiple antennas of each secondary user, using receive beamforming and energy detection;
determining from the receive beamforming and energy detection, by the controller of each secondary user, an absence or a presence of a primary user by using two hypotheses, wherein a first hypothesis, H0, of the two hypotheses determines the absence of a primary user based on receiving a plurality of co-channel interferences, beamforming weights and sensing noise, and a second hypothesis, H1, of the two hypotheses determines the presence of a primary user based on detecting a primary user signal, and receiving a plurality of co-channel interferences, beamforming weights and sensing noise;
determining, by the controller of each secondary user, a set of beamforming weights of the receive beamforming with a probability of detection and constraining a probability of false alarm,
optimizing, by the controller of each secondary user, the probability of detection and constraining the probability of false alarm with a genetic algorithm having multi-parent crossover by:
initializing a random population,
saving best chromosomes from an initialized random population by sorting according to corresponding constraint violations,
performing a tournament selection,
performing a multi-parent crossover operation,
performing a diversity operation, and
checking replication.