Patents by Inventor Awatif Ahmed HENDI
Awatif Ahmed HENDI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11617719Abstract: The Moringa oleifera nanoparticles may be synthesized by harvesting Moringa leaves, drying the Moringa leaves, powdering the dried Moringa leaves, suspending the powdered Moringa leaves in a solution, and spraying the solution into boiling water under ultrasonic conditions to obtain Moringa nanoparticles. The Moringa nanoparticles may be encapsulated by dissolving the Moringa nanoparticles and gum olibanum in ethanol to produce a mixture, injecting the inert organic phase of the mixture into an aqueous solution containing PVA, and homogenizing the aqueous solution. The Moringa nanoparticles may be useful in preventing the growth of cancer cells and in treating diabetes by inhibiting ?-glucosidase and/or ?-amylase activity.Type: GrantFiled: August 7, 2020Date of Patent: April 4, 2023Assignee: KING SAUD UNIVERSITYInventors: Manal Ahmed Gasmelseed Awad, Promy Virk, Mai Abdelrahman Elobeid Wagealla, Sarah Saleh Abdulla Alsaif, Awatif Ahmed Hendi, Khalid Mustafa Osman Ortashi, Rabia Qindeel
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Publication number: 20210104368Abstract: The flexible dye-sensitized solar panel with an organic chromophore is formed from an organic chromophore dye in a polymer matrix. The organic chromophore dye is extracted from chard (B. vulgaris subsp. cicla). The polymer matrix may be formed from either poly(vinyl alcohol) or polystyrene. The flexible dye-sensitized solar panel with an organic chromophore is made by preparing a solution of the selected polymer in the dye extracted from the B. vulgaris subsp. cicla. The solution is coated on a glass plate and dried to form a thin film. The thin flexible film is removed from the plate, forming the flexible dye-sensitized solar panel with an organic chromophore.Type: ApplicationFiled: December 9, 2020Publication date: April 8, 2021Inventors: Manal Ahmed Gasmelseed Awad, Awatif Ahmed Hendi, Khalid Mustafa Osman Ortashi
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Patent number: 10886073Abstract: 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) or polystyrene. The flexible solar panel can be green.Type: GrantFiled: April 13, 2016Date of Patent: January 5, 2021Assignee: KING SAUD UNIVERSITYInventors: Manal Ahmed Gasmelseed Awad, Awatif Ahmed Hendi, Khalid Mustafa Osman Ortashi
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Patent number: 10856559Abstract: The method of producing eggshell-derived nanoparticles may include steps of adding eggshell powder to methanol to form a solution; adding the solution dropwise to boiling water under ultrasonic conditions; incubating the resulting solution under continuous stirring at 200-800 rpm; and drying the resulting solution to obtain the eggshell-derived nanoparticles. The method produces nanoparticles of between 5 and 100 nm. Cytotoxicity testing shows that the nanoparticles exhibit anticancer activity against human breast cancer and lung cancer cell lines.Type: GrantFiled: September 9, 2019Date of Patent: December 8, 2020Assignee: KING SAUD UNIVERSITYInventors: Khalid Mustafa Osman Ortashi, Manal Ahmed Gasmelseed Awad, Awatif Ahmed Hendi
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Patent number: 10751802Abstract: The method of producing silver nanoparticles using red sand may include the steps of adding red sand to water, mixing the red sand in the water, removing a supernatant from the red sand in water mixture after the mixture has settled, adding sodium hydroxide to the supernatant to form an alkaline solution, adding silver nitrate (AgNO3) to the solution, and isolating a precipitated reaction product including the silver nanoparticles. The silver nanoparticles produced according to this method have antibacterial activity, whether used alone or in combination with standard antibiotics.Type: GrantFiled: October 3, 2019Date of Patent: August 25, 2020Assignee: King Saud UniversityInventors: Manal Ahmed Gasmelseed Awad, Moudi Abdullah Rashed Alwehaibi, Jamilah Hamed Alshehri, Manal Mohammed Alkhulaifi, Noura Saleem Aldosari, Khalid Mustafa Osman Ortashi, Awatif Ahmed Hendi
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Patent number: 10517905Abstract: A method of fabricating probiotics nanowhiskers using cheese comprises cutting and grinding cheese to produce cheese powder; mixing the cheese powder with sulfuric acid to produce a solution; stirring the solution to produce a stirred solution; and filtering the stirred solution to produce the probiotics nanowhiskers. The fabricated probiotics nanowhiskers possess antioxidant, anti-inflammatory, antitumor, and antimicrobial properties. The probiotics nanowhiskers may reduce cadmium concentration in a patient's liver. The probiotics nanowhiskers may also ameliorate the oxidative stress assessed as a decrease in the serum MDA levels in a patient.Type: GrantFiled: September 11, 2018Date of Patent: December 31, 2019Assignee: King Saud UniversityInventors: Promy Virk, Manal Ahmed Gasmelseed Awad, Mai Abdelrahman Elobeid, Khalid Mustafa Osman Ortashi, Awatif Ahmed Hendi
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Patent number: 10384945Abstract: A method of producing silica nanoparticles using sand can include mixing white sand with H2SO4 and H3PO4 to form a mixture. The mixture can be stirred in an ice bath. KMnO4 can then be added to the mixture while maintaining the temperature of the mixture below 5° C. The resulting suspension can be reacted for about 3 hours to about 5 hours on ice. The suspension is stirred in an ice bath and then maintained in a water bath at a temperature of 40° C. for about 90 minutes to about 120 minutes. Afterwards, the temperature is adjusted to and maintained at 98° C. for another period of about 90 minutes to about 120 minutes while adding water. H2O2 can be added to the suspension after adding the water to produce a reaction product with a precipitate. The reaction product can then be dried and calcinated to provide the silica nanoparticles.Type: GrantFiled: February 8, 2019Date of Patent: August 20, 2019Assignee: King Saud UniversityInventors: Manal Ahmed Gasmelseed Awad, Rabia Qindeel, Khalid Mustafa Osman Ortashi, Awatif Ahmed Hendi
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Patent number: 10363218Abstract: A method of preparing probiotic nanoparticles can include dissolving formulated probiotics in methanol, spraying the methanol solution into boiling water under ultrasonic conditions to provide a sonicated solution, and stirring the sonicated solution to obtain probiotic nanoparticles. The probiotic nanoparticles may be cluster or rod-shaped. The probiotic nanoparticles may be administered to a subject to reduce oxidative stress or to treat diseases associated with oxidative stress.Type: GrantFiled: January 3, 2019Date of Patent: July 30, 2019Assignee: King Saud UniversityInventors: Promy Virk, Manal Ahmed Gasmelseed Awad, Amnah El-Enazy, Awatif Ahmed Hendi, Mai Abdelrahman Elobeid Wagealla, Rabia Qindeel
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Patent number: 10358356Abstract: A method of synthesizing zinc oxide nanoparticles includes preparing a liquid extract of Cymbopogon proximus, dissolving zinc salt in the liquid extract to provide an extract with zinc salt, adding a base to the extract with zinc salt to form a precipitate including zinc oxide nanoparticles. The method overcomes the drawbacks associated with prior chemical methods of synthesizing nanoparticles, while providing increased yield of the nanoparticles.Type: GrantFiled: January 4, 2019Date of Patent: July 23, 2019Assignee: King Saud UniversityInventors: Manal Ahmed Gasmelseed Awad, Awatif Ahmed Hendi, Khalid Mustafa Osman Ortashi, Ali Kanakhir Aldalbahi, Reema Abdullah Alnamlah
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Patent number: 10301187Abstract: Synthesis of titanium dioxide (TiO2) nanoparticles (NPs) includes mixing Cymbopogon proximis (Maharayb) grass extract with Titanium (IV) isopropoxide (TTIP). The synthesis is simple and occurs at a rapid rate. The synthesized TiO2 nanoparticles can be effective in degrading Rhodamine B dye under UV light irradiation. Accordingly, the TiO2 nanoparticles can be useful in purifying drinking water.Type: GrantFiled: October 5, 2018Date of Patent: May 28, 2019Assignee: King Saud UniversityInventors: Manal Ahmed Gasmelseed Awad, Khalid Mustafa Osman Ortashi, Awatif Ahmed Hendi, Wadha Khalaf Alenazi, Ali Aldalbahi
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Patent number: 10188116Abstract: Doum nanoparticles can be synthesized by drying Doum fruit, reducing the dried Doum fruit to a powder or flour, and subjecting the powder to acid hydrolysis or alcohol hydrolysis to provide Doum nanoparticles. The Doum nanoparticles can be used as a food preservative. When compared to bulk Doum particles, the Doum nanoparticles can provide substantially increased antibacterial activity.Type: GrantFiled: December 27, 2017Date of Patent: January 29, 2019Assignee: King Saud UniversityInventors: Manal Ahmed Gasmelseed Awad, Awatif Ahmed Hendi, Khalid Mustafa Osman Ortashi, Hany Mohamed Yehia, Mohamed Mahmoud Hafez Ahmed, Hatem Salama Mohamed Ali, Mohamed Fekry Serag El-Din, Zeinab Korany Mohamed Hassan
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Patent number: 10184033Abstract: The synthesis of a silver-PMMA nanocomposite film includes mixing an aqueous extract of Trigonella foenum-graecum (also known as Helba and fenugreek) seeds with an aqueous solution of silver nitrate, thereby reducing the silver ions to silver metal nanoparticles. A solution of the silver nanoparticles is added to a solution of PMMA [poly (methyl methacrylate)] in N?N-dimethylformamide (DMF) with stirring at 90° C. A light brown solution of silver colloids develops, which is cast in a glass plate and the DMF is evaporated at room temperature, leaving a silver-PMMA nanocomposite film. Testing on water shows the silver-PMMA nanocomposite film prevents or inhibits growth of microbes, suggesting use as an antimicrobial or antibacterial agent, e.g., in water purification.Type: GrantFiled: April 19, 2018Date of Patent: January 22, 2019Assignee: King Saud UniversityInventors: Manal Ahmed Gasmelseed Awad, Awatif Ahmed Hendi, Khalid Mustafa Osman Ortashi, Amnah Bader Alanazi, Batool Ali Marzouq Alzhrani, Dina Wafiq Awad Soliman
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Patent number: 10138135Abstract: Synthesis of titanium dioxide nanoparticles using Origanum majorana (O. majorana) herbal extracts may be achieved by mixing Titanium (IV) isopropoxide (TTIP) with O. majorana extracts. The O. majorana herbal extracts may be extracts obtained using boiled water. The TTIP may be mixed with the O. majorana extract at a ratio of 2:1. The resulting paste may be heated and pounded into a powder. The powder may then be calcinated in a muffle furnace, producing O. majorana titanium dioxide nanoparticles. The O. majorana titanium dioxide nanoparticles may be efficient photocatalysts.Type: GrantFiled: April 24, 2018Date of Patent: November 27, 2018Assignee: King Saud UniversityInventors: Manal Ahmed Gasmelseed Awad, Awatif Ahmed Hendi, Khalid Mustafa Osman Ortashi, Wadha Khalaf Alenazi
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Patent number: 10111441Abstract: The synthesis of a silver-PMMA nanocomposite film using herbal extract includes mixing an aqueous extract of Aristolochia bracteolate buds with an aqueous solution of silver nitrate, thereby reducing the silver ions to silver metal nanoparticles. A solution of the silver nanoparticles is added to a solution of PMMA [poly (methyl methacrylate)] in N?N-dimethylformamide (DMF) with stirring at 80° C. A brown solution of silver colloids develops, which is cast in a glass plate and the DMF is evaporated at room temperature, leaving a silver-PMMA nanocomposite film. Testing on water shows the silver-PMMA nanocomposite film prevents or inhibits growth of microbes, suggesting use as an antimicrobial or antibacterial agent, e.g., in water purification. In addition, testing by disc diffusion against E. coli and Bacillus cereus showed zones of inhibition, also suggesting use as an antimicrobial or antibacterial agent.Type: GrantFiled: April 18, 2018Date of Patent: October 30, 2018Assignee: KING SAUD UNIVERSITYInventors: Manal Ahmed Gasmelseed Awad, Awatif Ahmed Hendi, Khalid Mustafa Osman Ortashi, Dina Wafiq Awad Soliman
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Patent number: 10052302Abstract: 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 the solution to oxidize the soot and obtain a first suspension; stirring the first suspension while maintaining a temperature of the suspension to about 35° C.; adding plant seeds extract to the first suspension while raising the temperature of the suspension to about 60° C.; adding a second oxidant to the suspension to form the reduced graphene oxide nanoparticles; isolating the reduced graphene oxide nanoparticles by centrifugation; suspending the reduced graphene oxide nanoparticles in water; adding a solution comprising tetraethyl orthosilicate (TEOS), concentrated aqueous ammonia solution and a plant seeds extract under ultrasonication; and increasing the temperature to about 90° C. to form reduced graphene oxide-silicon dioxide nanocomposite suspension.Type: GrantFiled: May 10, 2016Date of Patent: August 21, 2018Assignee: KING SAUD UNIVERSITYInventors: Manal Ahmed Gasmelseed Awad, Awatif Ahmed Hendi, Khalid Mustafa Osman Ortashi, Amel Laref
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Patent number: 9988276Abstract: 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 a suspension; stirring the suspension while maintaining the temperature of the suspension at about 35° C.; adding Nigella sativa seed extract to the suspension while raising the temperature of the suspension to about 60° C.; adding hydrogen peroxide to the suspension; and isolating the reduced graphene oxide nanoparticles by centrifugation.Type: GrantFiled: May 17, 2017Date of Patent: June 5, 2018Assignee: KING SAUD UNIVERSITYInventors: Manal Ahmed Gasmelseed Awad, Awatif Ahmed Hendi, Khalid Mustafa Osman Ortashi, Amel Laref
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Patent number: 9975780Abstract: 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 a suspension; stirring the suspension while maintaining the temperature of the suspension at about 35° C.; adding Nigella sativa seed extract to the suspension while raising the temperature of the suspension to about 60° C.; adding hydrogen peroxide to the suspension; and isolating the reduced graphene oxide nanoparticles by centrifugation.Type: GrantFiled: May 17, 2017Date of Patent: May 22, 2018Assignee: KING SAUD UNIVERSITYInventors: Manal Ahmed Gasmelseed Awad, Awatif Ahmed Hendi, Khalid Mustafa Osman Ortashi, Amel Laref
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Patent number: 9974749Abstract: 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 oxide; providing a second solution of an aqueous plant extract, and combining the first solution and the second solution to produce a solution including nanoparticles of the noble metal. The second solution includes a plant extract obtained from Solenostemma argel, Trigonella foenum-graecum and Cinnamomum cassia. The metal salt can include silver nitrate (AgNO3) and chloroauric acid (HAuCl4). Nanoparticles of gold and nanoparticles of silver are prepared separately, and then mixed to obtain a composition containing a gold and silver nanocomposite.Type: GrantFiled: October 7, 2015Date of Patent: May 22, 2018Assignee: KING SAUD UNIVERSITYInventors: Manal Ahmed Gasmelseed Awad, Awatif Ahmed Hendi, Mai Abdelrahman Elobeid Wagealla, Promy Virk, Khalid Mustafa Osman Ortashi
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Patent number: 9889170Abstract: A method of preparing nanoparticles from desert date can include providing a metal salt solution comprising metal ions; providing desert date extract solution that comprises a reducing agent, and combining the metal ion solution and the desert date extract solution while stirring at a temperature in the range of 25° C. to 100° C. to produce metal or metal oxide nanoparticles. The metal nanoparticles can be gold nanoparticles. The metal oxide nanoparticles can be zinc oxide nanoparticles. The nanoparticles can be used to inhibit the growth or proliferation of a cancer cell and/or microorganisms.Type: GrantFiled: October 6, 2016Date of Patent: February 13, 2018Assignee: KING SAUD UNIVERSITYInventors: Manal Ahmed Gasmelseed Awad, Rabab Abd El Moneim Khalil El Dib, Awatif Ahmed Hendi, Shaza Mohamed Adel Al-Massarani, Khalid Mustafa Osman Ortashi
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Patent number: 9850133Abstract: 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 a suspension; stirring the suspension while maintaining the temperature of the suspension at about 35° C.; adding Nigella sativa seed extract to the suspension while raising the temperature of the suspension to about 60° C.; adding hydrogen peroxide to the suspension; and isolating the reduced graphene oxide nanoparticles by centrifugation.Type: GrantFiled: May 17, 2017Date of Patent: December 26, 2017Assignee: KING SAUD UNIVERSITYInventors: Manal Ahmed Gasmelseed Awad, Awatif Ahmed Hendi, Khalid Mustafa Osman Ortashi, Amel Laref