Patents by Inventor Ammu Mathew

Ammu Mathew 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).

  • Visual detection of mercury ions
    Patent number: 9733184
    Abstract: Composite materials comprising a mesoflower structure, methods of preparing the composite material, and methods of detecting heavy metal ion using the composite material are described herein. In some embodiments, a silica-coated gold mesoflower with a layer of silver quantum clusters may be capable of detecting Hg2+ ions in a sample at zeptomolar concentrations.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: August 15, 2017
    Assignee: Indian Institute of Technology Madras
    Inventors: Pradeep Thalappil, Ammu Mathew, Panikkanvalappil Ravindranathan Sajanlal
  • VISUAL DETECTION OF MERCURY IONS
    Publication number: 20150053868
    Abstract: Composite materials comprising a mesoflower structure, methods of preparing the composite material, and methods of detecting heavy metal ion using the composite material are described herein. In some embodiments, a silica-coated gold mesoflower with a layer of silver quantum clusters may be capable of detecting Hg2+ ions in a sample at zeptomolar concentrations.
    Type: Application
    Filed: August 10, 2012
    Publication date: February 26, 2015
    Applicant: INDIAN INSTITUTE OF TECHNOLOGY MADRAS
    Inventors: Pradeep Thalappil, Ammu Mathew, Panikkanvalappil Ravindranathan Sajanlal