Patents by Inventor Mohammed Nasiruzzaman Shaikh
Mohammed Nasiruzzaman Shaikh 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: 11118108Abstract: Monodisperse carboxylate functionalized gold nanoparticles comprising a capping agent layer of pamoic acid and colloidal suspensions thereof are disclosed. These gold nanoparticles have an average particle size of greater than 15 nm or less than 8 nm and demonstrate significant fluorescent properties. In addition, a method for the size controlled preparation of these monodisperse carboxylate functionalized gold nanoparticles wherein pamoic acid acts as both a reducing and capping agent and wherein the size of the particles can be controlled by the pH of the process is disclosed. In addition, a method for the size controlled preparation of these monodisperse carboxylate functionalized gold nanoparticles utilizing seed mediated growth is disclosed.Type: GrantFiled: December 17, 2018Date of Patent: September 14, 2021Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
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Patent number: 10844281Abstract: Monodisperse carboxylate functionalized gold nanoparticles comprising a capping agent layer of pamoic acid and colloidal suspensions thereof are disclosed. These gold nanoparticles have an average particle size of greater than 15 nm or less than 8 nm and demonstrate significant fluorescent properties. In addition, a method for the size controlled preparation of these monodisperse carboxylate functionalized gold nanoparticles wherein pamoic acid acts as both a reducing and capping agent and wherein the size of the particles can be controlled by the pH of the process is disclosed. In addition, a method for the size controlled preparation of these monodisperse carboxylate functionalized gold nanoparticles utilizing seed mediated growth is disclosed.Type: GrantFiled: December 17, 2018Date of Patent: November 24, 2020Assignee: King Fahd University of Petroleum and MineralsInventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
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Patent number: 10844499Abstract: A method for manufacturing a palladium coated doped metal oxide conducting electrode including immersing a metal oxide conducting electrode into an aqueous solution having a palladium precursor salt to form the metal oxide conducting electrode having at least one surface coated with palladium precursor. To form a layer of palladium nanoparticles on the metal oxide conducting electrode the palladium precursor on the metal oxide conducting is reduced with a borohydride compound. The palladium nanoparticles on the metal oxide conducting electrode have an average diameter of 8 nm to 22 nm and are present on the surface of the metal oxide conducting electrode at a density from 1.5×10?3 Pd·nm?2 to 3.5×10?3 Pd·nm?2.Type: GrantFiled: November 15, 2018Date of Patent: November 24, 2020Assignee: King Fahd University of Petroleum and MineralsInventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani, Wael Mahfoz, Fatai Olawale Bakare
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Patent number: 10844500Abstract: A method for manufacturing a palladium coated doped metal oxide conducting electrode including immersing a metal oxide conducting electrode into an aqueous solution having a palladium precursor salt to form the metal oxide conducting electrode having at least one surface coated with palladium precursor. To form a layer of palladium nanoparticles on the metal oxide conducting electrode the palladium precursor on the metal oxide conducting is reduced with a borohydride compound. The palladium nanoparticles on the metal oxide conducting electrode have an average diameter of 8 nm to 22 nm and are present on the surface of the metal oxide conducting electrode at a density from 1.5×10?3 Pd·nm?2 to 3.5×10?3 Pd·nm?2.Type: GrantFiled: November 15, 2018Date of Patent: November 24, 2020Assignee: King Fahd University of Petroleum and MineralsInventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani, Wael Mahfoz, Fatai Olawale Bakare
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Patent number: 10436791Abstract: Gold nanoparticles functionalized with thiolated, bidentate Schiff base ligands. The Schiff base ligands form a ligand monolayer surrounding and binding to the surface of a gold nanoparticle core through Au—S linkages. The functionalized gold nanoparticle composites have a spherical shape, an average diameter of 7-15 nm and a narrow particle size distribution. Methods of assessing these functionalized gold nanoparticle composites as fluorescent probes in Fe(III) chemosensing applications, methods of preparing the functionalized gold nanoparticle composites and methods of detecting Fe(III) ions with the same are also provided.Type: GrantFiled: March 28, 2018Date of Patent: October 8, 2019Assignee: King Fahd University of Petroleum and MineralsInventors: Mohammed Nasiruzzaman Shaikh, Aasif Helal, Abiola Azeez Jimoh
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Publication number: 20190127632Abstract: Monodisperse carboxylate functionalized gold nanoparticles comprising a capping agent layer of pamoic acid and colloidal suspensions thereof are disclosed. These gold nanoparticles have an average particle size of greater than 15 nm or less than 8 nm and demonstrate significant fluorescent properties. In addition, a method for the size controlled preparation of these monodisperse carboxylate functionalized gold nanoparticles wherein pamoic acid acts as both a reducing and capping agent and wherein the size of the particles can be controlled by the pH of the process is disclosed. In addition, a method for the size controlled preparation of these monodisperse carboxylate functionalized gold nanoparticles utilizing seed mediated growth is disclosed.Type: ApplicationFiled: December 17, 2018Publication date: May 2, 2019Applicant: King Fahd University of Petroleum and MineralsInventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
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Publication number: 20190112525Abstract: Monodisperse carboxylate functionalized gold nanoparticles comprising a capping agent layer of pamoic acid and colloidal suspensions thereof are disclosed. These gold nanoparticles have an average particle size of greater than 15 nm or less than 8 nm and demonstrate significant fluorescent properties. In addition, a method for the size controlled preparation of these monodisperse carboxylate functionalized gold nanoparticles wherein pamoic acid acts as both a reducing and capping agent and wherein the size of the particles can be controlled by the pH of the process is disclosed. In addition, a method for the size controlled preparation of these monodisperse carboxylate functionalized gold nanoparticles utilizing seed mediated growth is disclosed.Type: ApplicationFiled: December 17, 2018Publication date: April 18, 2019Applicant: King Fahd University of Petroleum and MineralsInventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
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Publication number: 20190085474Abstract: A method for manufacturing a palladium coated doped metal oxide conducting electrode including immersing a metal oxide conducting electrode into an aqueous solution having a palladium precursor salt to form the metal oxide conducting electrode having at least one surface coated with palladium precursor. To form a layer of palladium nanoparticles on the metal oxide conducting electrode the palladium precursor on the metal oxide conducting is reduced with a borohydride compound. The palladium nanoparticles on the metal oxide conducting electrode have an average diameter of 8 nm to 22 nm and are present on the surface of the metal oxide conducting electrode at a density from 1.5×10?3 Pd·nm?2 to 3.5×10?3 Pd·nm?2.Type: ApplicationFiled: November 15, 2018Publication date: March 21, 2019Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani, Wael Mahfoz, Fatai Olawale Bakare
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Publication number: 20190085475Abstract: A method for manufacturing a palladium coated doped metal oxide conducting electrode including immersing a metal oxide conducting electrode into an aqueous solution having a palladium precursor salt to form the metal oxide conducting electrode having at least one surface coated with palladium precursor. To form a layer of palladium nanoparticles on the metal oxide conducting electrode the palladium precursor on the metal oxide conducting is reduced with a borohydride compound. The palladium nanoparticles on the metal oxide conducting electrode have an average diameter of 8 nm to 22 nm and are present on the surface of the metal oxide conducting electrode at a density from 1.5×10?3 Pd·nm?2 to 3.5×10?3 Pd·nm?2.Type: ApplicationFiled: November 15, 2018Publication date: March 21, 2019Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: Md. Abdul AZIZ, Mohammed Nasiruzzaman SHAIKH, Zain Hassan YAMANI, Wael MAHFOZ, Fatai Olawale BAKARE
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Patent number: 10179877Abstract: Monodisperse carboxylate functionalized gold nanoparticles comprising a capping agent layer of pamoic acid and colloidal suspensions thereof are disclosed. These gold nanoparticles have an average particle size of greater than 15 nm or less than 8 nm and demonstrate significant fluorescent properties. In addition, a method for the size controlled preparation of these monodisperse carboxylate functionalized gold nanoparticles wherein pamoic acid acts as both a reducing and capping agent and wherein the size of the particles can be controlled by the pH of the process is disclosed. In addition, a method for the size controlled preparation of these monodisperse carboxylate functionalized gold nanoparticles utilizing seed mediated growth is disclosed.Type: GrantFiled: January 8, 2016Date of Patent: January 15, 2019Assignee: King Fahd University of Petroleum and MineralsInventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
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Patent number: 10161052Abstract: A method for manufacturing a palladium coated doped metal oxide conducting electrode including immersing a metal oxide conducting electrode into an aqueous solution having a palladium precursor salt to form the metal oxide conducting electrode having at least one surface coated with palladium precursor. To form a layer of palladium nanoparticles on the metal oxide conducting electrode the palladium precursor on the metal oxide conducting is reduced with a borohydride compound. The palladium nanoparticles on the metal oxide conducting electrode have an average diameter of 8 nm to 22 nm and are present on the surface of the metal oxide conducting electrode at a density from 1.5×10?3 Pd·nm?2 to 3.5×10?3 Pd·nm?2.Type: GrantFiled: February 19, 2016Date of Patent: December 25, 2018Assignee: King Fahd University of Petroleum and MineralsInventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani, Wael Mahfoz, Fatai Olawale Bakare
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Publication number: 20180217152Abstract: Gold nanoparticles functionalized with thiolated, bidentate Schiff base ligands. The Schiff base ligands form a ligand monolayer surrounding and binding to the surface of a gold nanoparticle core through Au—S linkages. The functionalized gold nanoparticle composites have a spherical shape, an average diameter of 7-15 nm and a narrow particle size distribution. Methods of assessing these functionalized gold nanoparticle composites as fluorescent probes in Fe(III) chemosensing applications, methods of preparing the functionalized gold nanoparticle composites and methods of detecting Fe(III) ions with the same are also provided.Type: ApplicationFiled: March 28, 2018Publication date: August 2, 2018Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: Mohammed Nasiruzzaman SHAIKH, Aasif HELAL, Abiola Azeez JIMOH
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Patent number: 10024864Abstract: Gold nanoparticles functionalized with thiolated, bidentate Schiff base ligands. The Schiff base ligands form a ligand monolayer surrounding and binding to the surface of a gold nanoparticle core through Au—S linkages. The functionalized gold nanoparticle composites have a spherical shape, an average diameter of 7-15 nm and a narrow particle size distribution. Methods of assessing these functionalized gold nanoparticle composites as fluorescent probes in Fe(III) chemosensing applications, methods of preparing the functionalized gold nanoparticle composites and methods of detecting Fe(III) ions with the same are also provided.Type: GrantFiled: November 10, 2015Date of Patent: July 17, 2018Assignee: King Fahd University of Petroleum and MineralsInventors: Mohammed Nasiruzzaman Shaikh, Aasif Helal, Abiola Azeez Jimoh
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Publication number: 20170241027Abstract: A method for manufacturing a palladium coated doped metal oxide conducting electrode including immersing a metal oxide conducting electrode into an aqueous solution having a palladium precursor salt to form the metal oxide conducting electrode having at least one surface coated with palladium precursor. To form a layer of palladium nanoparticles on the metal oxide conducting electrode the palladium precursor on the metal oxide conducting is reduced with a borohydride compound. The palladium nanoparticles on the metal oxide conducting electrode have an average diameter of 8 nm to 22 nm and are present on the surface of the metal oxide conducting electrode at a density from 1.5×10?3 Pd·nm?2 to 3.5×10?3 Pd·nm?2.Type: ApplicationFiled: February 19, 2016Publication date: August 24, 2017Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: MD. ABDUL AZIZ, MOHAMMED NASIRUZZAMAN SHAIKH, ZAIN HASSAN YAMANI, WAEL MAHFOZ, FATAI OLAWALE BAKARE
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Publication number: 20170198216Abstract: Monodisperse carboxylate functionalized gold nanoparticles comprising a capping agent layer of pamoic acid and colloidal suspensions thereof are disclosed. These gold nanoparticles have an average particle size of greater than 15 nm or less than 8 nm and demonstrate significant fluorescent properties. In addition, a method for the size controlled preparation of these monodisperse carboxylate functionalized gold nanoparticles wherein pamoic acid acts as both a reducing and capping agent and wherein the size of the particles can be controlled by the pH of the process is disclosed. In addition, a method for the size controlled preparation of these monodisperse carboxylate functionalized gold nanoparticles utilizing seed mediated growth is disclosed.Type: ApplicationFiled: January 8, 2016Publication date: July 13, 2017Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
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Patent number: 9663434Abstract: A functionalized nanomaterial having an average particles size of less than 10 nm comprising an iron oxide nanoparticle core and a bis(diarylphosphinomethyl) dopamine based ligand layer anchored to the iron oxide nanoparticle core is disclosed. In addition, a catalyst composition for use in a variety of chemical transformations wherein the bisphosphine groups of the functionalized nanomaterial chelate a catalytic metal is disclosed. In addition, a method for producing the functionalized nanomaterial and a method for the hydroformylation of olefins to aldehydes employing the functionalized nanomaterial with high conversion percentage and high selectivity are disclosed.Type: GrantFiled: September 30, 2016Date of Patent: May 30, 2017Assignee: King Fahd University of Petroleum and MineralsInventors: Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
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Patent number: 9662644Abstract: A functionalized nanomaterial having an average particles size of less than 10 nm comprising an iron oxide nanoparticle core and a bis(diarylphosphinomethyl) dopamine based ligand layer anchored to the iron oxide nanoparticle core is disclosed. In addition, a catalyst composition for use in a variety of chemical transformations wherein the bisphosphine groups of the functionalized nanomaterial chelate a catalytic metal is disclosed. In addition, a method for producing the functionalized nanomaterial and a method for the hydroformylation of olefins to aldehydes employing the functionalized nanomaterial with high conversion percentage and high selectivity are disclosed.Type: GrantFiled: September 30, 2016Date of Patent: May 30, 2017Assignee: King Fahd University of Petroleum and MineralsInventors: Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
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Publication number: 20170131286Abstract: Gold nanoparticles functionalized with thiolated, bidentate Schiff base ligands. The Schiff base ligands form a ligand monolayer surrounding and binding to the surface of a gold nanoparticle core through Au—S linkages. The functionalized gold nanoparticle composites have a spherical shape, an average diameter of 7-15 nm and a narrow particle size distribution. Methods of assessing these functionalized gold nanoparticle composites as fluorescent probes in Fe(III) chemosensing applications, methods of preparing the functionalized gold nanoparticle composites and methods of detecting Fe(III) ions with the same are also provided.Type: ApplicationFiled: November 10, 2015Publication date: May 11, 2017Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: Mohammed Nasiruzzaman SHAIKH, Aasif HELAL, Abiola Azeez JIMOH
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Patent number: 9480978Abstract: A functionalized nanomaterial having an average particles size of less than 10 nm comprising an iron oxide nanoparticle core and a bis(diarylphosphinomethyl) dopamine based ligand layer anchored to the iron oxide nanoparticle core is disclosed. In addition, a catalyst composition for use in a variety of chemical transformations wherein the bisphosphine groups of the functionalized nanomaterial chelate a catalytic metal is disclosed. In addition, a method for producing the functionalized nanomaterial and a method for the hydroformylation of olefins to aldehydes employing the functionalized nanomaterial with high conversion percentage and high selectivity are disclosed.Type: GrantFiled: January 6, 2016Date of Patent: November 1, 2016Assignee: King Fahd University of Petroleum and MineralsInventors: Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani