Patents by Inventor Vikas Nandwana

Vikas Nandwana 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).

  • Publication number: 20240124313
    Abstract: Methods for making nanocomposites are provided. In an embodiment, such a method comprises combining a first type of nanostructure with a bulk material in water or an aqueous solution, the first type of nanostructure functionalized with a functional group capable of undergoing van der Waals interactions with the bulk material, whereby the first type of nanostructure induces exfoliation of the bulk material to provide a second, different type of nanostructure while inducing association between the first and second types of nanostructures to form the nanocomposite.
    Type: Application
    Filed: January 23, 2023
    Publication date: April 18, 2024
    Inventors: Vikas Nandwana, Vinayak P. Dravid
  • Publication number: 20230084588
    Abstract: Magnetic nanoparticle coated porous materials for recovering a contaminant from contaminated water are provided. In embodiments, such a material comprises a porous substrate having a solid matrix defining a plurality of pores distributed through the solid matrix and further comprising a coating comprising magnetic nanoparticles on surfaces of the solid matrix.
    Type: Application
    Filed: February 24, 2021
    Publication date: March 16, 2023
    Inventors: Stephanie M. Ribet, Vikas Nandwana, Vinayak P. Dravid
  • Patent number: 11591223
    Abstract: Methods for making nanocomposites are provided. In an embodiment, such a method comprises combining a first type of nanostructure with a bulk material in water or an aqueous solution, the first type of nanostructure functionalized with a functional group capable of undergoing van der Waals interactions with the bulk material, whereby the first type of nanostructure induces exfoliation of the bulk material to provide a second, different type of nanostructure while inducing association between the first and second types of nanostructures to form the nanocomposite.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: February 28, 2023
    Assignee: Northwestern University
    Inventors: Vikas Nandwana, Vinayak P. Dravid
  • Patent number: 11510872
    Abstract: Provided herein are nanoparticle-lipid composite carriers as theranostic agents, particularly for diagnosis and/or treatment of cancers and related diseases and conditions. In particular embodiments, the carrier composites comprise a lipid core and an outer shell of functionalized nanoparticles (fNPs).
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: November 29, 2022
    Assignee: Northwestern University
    Inventors: Vinayak P. Dravid, Vikas Nandwana
  • Publication number: 20220118422
    Abstract: Oleophilic-hydrophobic-magnetic (OHM) porous materials are provided. In embodiments, an OHM porous material comprises a porous substrate having a solid matrix defining a plurality of pores distributed through the solid matrix, the OHM porous material further comprising a coating of a nanocomposite on surfaces of the solid matrix. The nanocomposite comprises a multilayer stack of a plurality of layers of a two-dimensional, layered material having nucleation sites interleaved between a plurality of layers of magnetic nanoparticles, wherein individual layers of magnetic nanoparticles in the plurality of layers of magnetic nanoparticles are each directly anchored on a surface of a layer of the plurality of layers of the two-dimensional, layered material via the nucleation sites, and are each separated by multiple layers of the plurality of layers of the two-dimensional, layered material. Methods of making and using the OHM porous materials are also provided.
    Type: Application
    Filed: December 20, 2019
    Publication date: April 21, 2022
    Inventors: Vikas Nandwana, Vinayak P. Dravid
  • Patent number: 11298430
    Abstract: Superparamagnetic nanocomposites are provided. In an embodiment, a superparamagnetic nanocomposite comprises a superparamagnetic core comprising a first, soft superparamagnetic ferrite and a superparamagnetic shell comprising a second, soft superparamagnetic ferrite, the shell formed over the core, wherein the first and second soft superparamagnetic ferrites are different compounds and have different magnetocrystalline anisotropies.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: April 12, 2022
    Assignee: Northwestern University
    Inventors: Vikas Nandwana, Vinayak P. Dravid
  • Publication number: 20220059839
    Abstract: Methods of forming a nanocomposite of a base material and a plurality of nanoparticles are provided. In embodiments, the method comprises combining a first input stream of flowing fluid comprising a base material having nucleation sites, a second input stream of flowing fluid comprising a nanoparticle precursor material, and a third input stream of flowing fluid comprising a nanoparticle nucleation agent, to form an output stream of flowing fluid; heating or sonicating or both heating and sonicating the output stream for a period of time; and collecting a nanocomposite formed within the fluid of the output stream, the nanocomposite comprising the base material and a plurality of nanoparticles directly anchored onto a surface of the base material via the nucleation sites. The nanocomposites are also provided.
    Type: Application
    Filed: December 20, 2019
    Publication date: February 24, 2022
    Inventors: Vikas Nandwana, Vinayak P. Dravid
  • Publication number: 20210107792
    Abstract: Methods for making nanocomposites are provided. In an embodiment, such a method comprises combining a first type of nanostructure with a bulk material in water or an aqueous solution, the first type of nanostructure functionalized with a functional group capable of undergoing van der Waals interactions with the bulk material, whereby the first type of nanostructure induces exfoliation of the bulk material to provide a second, different type of nanostructure while inducing association between the first and second types of nanostructures to form the nanocomposite.
    Type: Application
    Filed: August 14, 2018
    Publication date: April 15, 2021
    Inventors: Vikas Nandwana, Vinayak P. Dravid
  • Publication number: 20200170946
    Abstract: Provided herein are nanoparticle-lipid composite carriers as theranostic agents, particularly for diagnosis and/or treatment of cancers and related diseases and conditions. In particular embodiments, the carrier composites comprise a lipid core and an outer shell of functionalized nanoparticles (fNPs).
    Type: Application
    Filed: May 24, 2018
    Publication date: June 4, 2020
    Inventors: Vinayak P. Dravid, Vikas Nandwana
  • Publication number: 20200101177
    Abstract: Superparamagnetic nanocomposites are provided. In an embodiment, a superparamagnetic nanocomposite comprises a superparamagnetic core comprising a first, soft superparamagnetic ferrite and a superparamagnetic shell comprising a second, soft superparamagnetic ferrite, the shell formed over the core, wherein the first and second soft superparamagnetic ferrites are different compounds and have different magnetocrystalline anisotropies.
    Type: Application
    Filed: September 30, 2019
    Publication date: April 2, 2020
    Inventors: Vikas Nandwana, Vinayak P. Dravid
  • Publication number: 20190091154
    Abstract: Provided herein are compositions and methods for diagnosis and treatment of early-stage atherosclerotic plaques and reduction of plaques in arteries. In particular, provided herein are high-density-lipoprotein-functionalized magnetic nanostructures (HDL-MNS) capable of (i) precise anatomic detection of atherosclerotic lesions, (ii) removal of excess cholesterol from macrophage cells in atherosclerotic plaque, and/or (iii) delivery of therapeutic agents to plaque locations, and methods of diagnosis and treatment of atherosclerosis.
    Type: Application
    Filed: December 5, 2018
    Publication date: March 28, 2019
    Inventors: Vikas Nandwana, Soo-Ryoon Ryoo, Vinayak Dravid, C. Shad Thaxton
  • Publication number: 20170367982
    Abstract: Provided herein are compositions and methods for diagnosis and treatment of early-stage atherosclerotic plaques and reduction of plaques in arteries. In particular, provided herein are high-density-lipoprotein-functionalized magnetic nanostructures (HDL-MNS) capable of (i) precise anatomic detection of atherosclerotic lesions, (ii) removal of excess cholesterol from macrophage cells in atherosclerotic plaque, and/or (iii) delivery of therapeutic agents to plaque locations, and methods of diagnosis and treatment of atherosclerosis.
    Type: Application
    Filed: June 26, 2017
    Publication date: December 28, 2017
    Inventors: Vikas Nandwana, Soo-Ryoon Ryoo, Vinayak Dravid, C. Shad Thaxton