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).

  • Patent number: 11118108
    Abstract: 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: Grant
    Filed: December 17, 2018
    Date of Patent: September 14, 2021
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
  • Patent number: 10844281
    Abstract: 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: Grant
    Filed: December 17, 2018
    Date of Patent: November 24, 2020
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
  • Patent number: 10844499
    Abstract: 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: Grant
    Filed: November 15, 2018
    Date of Patent: November 24, 2020
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani, Wael Mahfoz, Fatai Olawale Bakare
  • Patent number: 10844500
    Abstract: 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: Grant
    Filed: November 15, 2018
    Date of Patent: November 24, 2020
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani, Wael Mahfoz, Fatai Olawale Bakare
  • Patent number: 10436791
    Abstract: 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: Grant
    Filed: March 28, 2018
    Date of Patent: October 8, 2019
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Mohammed Nasiruzzaman Shaikh, Aasif Helal, Abiola Azeez Jimoh
  • Publication number: 20190127632
    Abstract: 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: Application
    Filed: December 17, 2018
    Publication date: May 2, 2019
    Applicant: King Fahd University of Petroleum and Minerals
    Inventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
  • Publication number: 20190112525
    Abstract: 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: Application
    Filed: December 17, 2018
    Publication date: April 18, 2019
    Applicant: King Fahd University of Petroleum and Minerals
    Inventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
  • Publication number: 20190085474
    Abstract: 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: Application
    Filed: November 15, 2018
    Publication date: March 21, 2019
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani, Wael Mahfoz, Fatai Olawale Bakare
  • Publication number: 20190085475
    Abstract: 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: Application
    Filed: November 15, 2018
    Publication date: March 21, 2019
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Md. Abdul AZIZ, Mohammed Nasiruzzaman SHAIKH, Zain Hassan YAMANI, Wael MAHFOZ, Fatai Olawale BAKARE
  • Patent number: 10179877
    Abstract: 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: Grant
    Filed: January 8, 2016
    Date of Patent: January 15, 2019
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
  • Patent number: 10161052
    Abstract: 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: Grant
    Filed: February 19, 2016
    Date of Patent: December 25, 2018
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani, Wael Mahfoz, Fatai Olawale Bakare
  • Publication number: 20180217152
    Abstract: 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: Application
    Filed: March 28, 2018
    Publication date: August 2, 2018
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Mohammed Nasiruzzaman SHAIKH, Aasif HELAL, Abiola Azeez JIMOH
  • Patent number: 10024864
    Abstract: 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: Grant
    Filed: November 10, 2015
    Date of Patent: July 17, 2018
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Mohammed Nasiruzzaman Shaikh, Aasif Helal, Abiola Azeez Jimoh
  • Publication number: 20170241027
    Abstract: 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: Application
    Filed: February 19, 2016
    Publication date: August 24, 2017
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: MD. ABDUL AZIZ, MOHAMMED NASIRUZZAMAN SHAIKH, ZAIN HASSAN YAMANI, WAEL MAHFOZ, FATAI OLAWALE BAKARE
  • Publication number: 20170198216
    Abstract: 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: Application
    Filed: January 8, 2016
    Publication date: July 13, 2017
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Md. Abdul Aziz, Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
  • Patent number: 9663434
    Abstract: 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: Grant
    Filed: September 30, 2016
    Date of Patent: May 30, 2017
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
  • Patent number: 9662644
    Abstract: 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: Grant
    Filed: September 30, 2016
    Date of Patent: May 30, 2017
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani
  • Publication number: 20170131286
    Abstract: 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: Application
    Filed: November 10, 2015
    Publication date: May 11, 2017
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Mohammed Nasiruzzaman SHAIKH, Aasif HELAL, Abiola Azeez JIMOH
  • Patent number: 9480978
    Abstract: 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: Grant
    Filed: January 6, 2016
    Date of Patent: November 1, 2016
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Mohammed Nasiruzzaman Shaikh, Zain Hassan Yamani