King Saud University patents

Pneumatic actuator for dispensing surgical staples

The pneumatic actuator for dispensing surgical staples is a handheld actuator for use with a typical staple cartridge. A source of pressurized fluid is used to automatically drive forward movement of a plunger rod. As in a conventional, manually-driven surgical stapler, the forward movement of the plunger rod is used... King Saud University

Measuring cup

The measuring cup includes numerous embodiments configured for a user to precisely determine the cup contents without need to lift the cup to one's eye level or to lower the eye level to the level of the cup contents. The various embodiments include folding cups; cups having transparent passages in... King Saud University

Bite registration block and bite registration kit including the same

The bite registration block is used for recording the relation between a patient's maxillary and mandibular arches for proper fabrication of a fixed dental prosthesis, or prostheses, such as fixed crowns or the like. The bite registration block is particularly adapted for use when a patient's prepared teeth are opposed... King Saud University

Green synthesis of reduced graphene oxide silica nanocomposite using nigella sativa seeds extract

The green synthesis of a reduced graphene oxide (rGO) silica (SiO2) nanocomposite using Nigella sativa seed extract includes mixing a quantity of carbon source in an acid solution while stirring to obtain a solution; adding a first oxidant gradually into said solution to oxidize the soot and obtain a first... King Saud University

Green synthesis of reduced graphene oxide using nigella sativa seed extract

The green synthesis of reduced graphene oxide nanoparticles using Nigella sativa seed extract comprises the steps of mixing a quantity of soot or other carbon source in an acid solution while stirring to obtain a solution; adding a first oxidant gradually into the solution to oxidize the soot and obtain... King Saud University

Green synthesis of reduced graphene oxide using nigella sativa seed extract

The green synthesis of reduced graphene oxide nanoparticles using Nigella sativa seed extract comprises the steps of mixing a quantity of soot or other carbon source in an acid solution while stirring to obtain a solution; adding a first oxidant gradually into the solution to oxidize the soot and obtain... King Saud University

Green synthesis of reduced graphene oxide using nigella sativa seed extract

The green synthesis of reduced graphene oxide nanoparticles using Nigella sativa seed extract comprises the steps of mixing a quantity of soot or other carbon source in an acid solution while stirring to obtain a solution; adding a first oxidant gradually into the solution to oxidize the soot and obtain... King Saud University

Recycled plastic aggregate for use in concrete

The synthetic recycled plastic aggregate for use in concrete is a composite material containing between 30% and 50% by weight shredded recycled plastic, the balance being a filler embedded in a matrix of the recycled plastic. The recycled plastic includes polyethylene terephthalate (PET). The filler can include dune sand, fly... King Saud University

Solid particle receiver with porous structure for flow regulation and enhancement of heat transfer

There is disclosed a receiver panel. In an embodiment, the panel is configured to receive a curtain of particles in a solar central receiver system. A porous structure of the panel has a top end and a bottom end. The porous structure is disposed between the top end and the... King Saud University

Mixed ligand gold(i) complexes as anti-cancer agents

Gold(I) complex with mixed ligands as an anticancer agent. The gold(I) ion is coordinated to a dithiocarbamate ligand and a phosphorus-containing ligand (e.g. phosphines). Also described are a pharmaceutical composition incorporating the gold(I) complex, a methods of synthesizing the gold(I) complex, and a method for treating cancer.... King Saud University

Method for producing noble metal nanocomposites

The method for producing noble metal nanocomposites involves reducing noble metal ions (Ag, Au and Pt) on graphene oxide (GO) or carbon nanotubes (CNT) by using Artocarpus integer leaves extract as a reducing agent. As synthesized MNPs/GO and MNPs/CNT composites have been characterized using X-ray diffraction (XRD), transmission electron microscope... King Saud University

Flexible solar panel

The flexible solar panel includes a polymer matrix and a plant extract incorporated in the polymer matrix. The plant extract can be an extract of chard (B. vulgaris subsp. cicla) including an organic dye. The plant extract can include chloroplasts. The polymer matrix may be formed from either poly(vinyl alcohol)... King Saud University

Method of treating hypertension

A method of treating hypertension can include administering to a patient in need thereof a therapeutically effective amount of an extract of Matricaria chamomilla L. The extract can be administered orally to the patient in an amount of about 100 mg/kg to about 200 mg/kg.... King Saud University

Dye-sensitized solar panel

A dye-sensitized solar panel includes a titanium nanoparticle layer and a plant-derived photo-sensitizer supported on the titanium nanoparticle layer. The photo-sensitizer can be extracted from chard (B. vulgaris subsp. cicla), and the titanium nanoparticle layer includes titanium nanoparticles synthesized using henna (Lawsonia inermis). The titanium nanoparticle layer can, in addition... King Saud University

Dye-sensitized solar panel

The dye-sensitized solar panel includes a metal oxide layer and an organic photosensitizing dye on the metal oxide layer. The organic photosensitizing dye is extracted from chard (B. vulgaris subsp. cicla), and the metal oxide layer is composed of zinc oxide nanoparticles synthesized using B. vulgaris subsp. cicla dye as... King Saud University

Dye-sensitized solar panel

A dye-sensitized solar panel includes a titanium nanoparticle layer and a plant-derived photo-sensitizer supported on the titanium nanoparticle layer. The photo-sensitizer can be extracted from chard (the cicla cultivar group of B. vulgaris subsp. cicla), and the titanium nanoparticle layer includes titanium nanoparticles synthesized using henna (Lawsonia inermis). The titanium... King Saud University

Orthodontic bracket

The orthodontic bracket includes a base and a bracket body extending from the base. The bracket body includes a lower labial surface on which a first indicia is displayed and a plurality of tie-wings extending from corner portions of the base on which a second indicia is displayed. The labial... King Saud University

Poly (e-caprolactone)-ethoxylated fatty alcohol copolymers

where n and m are integers greater than 0 and R is an alkyl group. The block copolymer is prepared by polymerizing ε-caprolactone and an ethoxylated fatty alcohol in the presence of a catalyst, such as stannous octoate. The block copolymers have potential as delivery systems for various payloads, such... King Saud University

Bifurcated peritoneal catheter

The bifurcated peritoneal catheter serves as a peritoneal dialysis device for patients with kidney failure. The catheter includes a primary tube with two porous internal tubes extending therefrom at a small acute angle to one another. The two internal tubes provide a solution to the potential problem of blockage in... King Saud University

Breathing mask with nasal cannula

The breathing mask with nasal cannula includes a breathing mask having a frontal air inlet port that communicates with an air inlet in a removable mask retainer. The air inlet of the mask retainer is adapted to receive ambient air provided by a non-invasive ventilation (NIV) device. In addition, the... King Saud University

Method for treating a neurovascular complication of diabetes mellitus

A method of preventing and/or treating a disease caused by diabetes complications includes administering to a patient in need thereof, an effective amount of thymoquinone or a pharmaceutically acceptable salt thereof, either singly or in combination with a pharmaceutically acceptable carrier, diluent or excipient. The disease can be at least... King Saud University

Method for preparing noble metal nanoparticles from myrrh

The method for preparing metal nanoparticles includes preparing an extract of myrrh and mixing the extract with an aqueous solution including a metal salt. The mixture changes in color from light yellow to dark brown upon formation of nanoparticles. The extract of myrrh can be a water extract prepared by,... King Saud University

Three-dimensional space-division y-splitter for multicore optical fibers

The three-dimensional space-division Y-splitter for multicore optical fibers (MCF) is a 3-D device that depends on space-division splitting (SDS) by double-hump graded-index (DHGI) in a rectangular waveguide. It includes multiple single Y-splitters, each one being dedicated to one MCF core. Each Y-splitter layer has three stages, including an expander; a... King Saud University

Extracts and isolated compounds from cakile arabica for treatment of ulcer

The present invention relates to extracts, compounds isolated from Cakile arabica for use in the treatment of ulcer and to pharmaceutical compositions thereof.... King Saud University

Thigh adhesion quantitative measurement system

The thigh adhesion quantitative measurement system is a sensor system for precisely locating fibers and/or bands of connective tissue formed between layers of body tissue, binding the layers together and not permitting them to glide over each other. This bonding is called an adhesion. The present system is designed to... King Saud University

Inertial system for gravity difference measurement

The inertial system for gravity difference measurement uses COTS nano accelerometer and a strapdown Global Navigation Satellite System (GNSS)-aided inertial measurement unit (IMU). The former has low measurement noise density, while the latter is used to analytically stabilize the platform. Stochastic modeling of the gravity anomaly is utilized (as opposed... King Saud University

Method of treating diabetic wounds using biosynthesized nanoparticles

The method of treating diabetic wounds using biosynthesized nanoparticles includes administering an effective amount of silver and gold nanoparticles to a patient in need thereof. The silver and gold nanocomposite is prepared by ‘biosynthesis”, i.e., by providing a first aqueous solution of a noble metal salt or a noble metal... King Saud University

Recycled plastic aggregate for use in concrete

The synthetic recycled plastic aggregate for use in concrete is a composite material containing between 30% and 50% by weight shredded recycled plastic, the balance being a filler embedded in a matrix of the recycled plastic. The recycled plastic includes polyethylene terephthalate (PET). The filler can include dune sand, fly... King Saud University

Alpha-glucosidase inhibitors

R1 is thiophene, 2,4-di chloro phenyl, 2,6-di chloro phenyl, bromo phenyl, benzyl or nitrophenyl; and R2 is an aryl group, or stereoisomers or pharmaceutically acceptable salts thereof.... King Saud University

Method of ascertaining fully grown passive film formation on steel rebar embedded in concrete

The method of ascertaining fully grown passive film formation on steel rebar embedded in concrete utilizes electrochemical impedance spectroscopy (EIS) to determine, in situ, the degree of passive film formation on steel rebar embedded in concrete. A length of steel rebar and a counter electrode are both embedded in a... King Saud University

Spectral quantifying hemoglobin fragility caused by smoking

The spectral method for quantifying hemoglobin fragility caused by smoking is based on decreased concentration of tryptophan and elevated concentrations of the biomolecules nicotinamide adenine dinucleotide (NADH), flavin adenine dinucleotide (FAD), and porphyrin in the presence of hemoglobin fragility. The method involves the steps of obtaining a blood sample from... King Saud University