Patents by Inventor Grant K. Walkup

Grant K. Walkup 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).

  • Fluorescein-based metal sensors, and methods of making and using the same
    Patent number: 7160732
    Abstract: The present invention is directed, in part, to fluorescein-based ligands for detection of metal ions, and methods of making and using the same.
    Type: Grant
    Filed: July 9, 2001
    Date of Patent: January 9, 2007
    Assignee: Massachusetts Institute of Technology
    Inventors: Stephen J. Lippard, Shawn Burdette, Scott Hilderbrand, Roger Y. Tsien, Grant K. Walkup
  • Fluorescein-based metal sensors, and methods of making and using the same
    Publication number: 20020106697
    Abstract: The present invention is directed, in part, to fluorescein-based ligands for detection of metal ions, and methods of making and using the same.
    Type: Application
    Filed: July 9, 2001
    Publication date: August 8, 2002
    Inventors: Stephen J. Lippard, Shawn Burdette, Scott Hilderbrand, Roger Y. Tsien, Grant K. Walkup
  • Method for screening peptides for metal coordinating properties and fluorescent chemosensors derived therefrom
    Patent number: 6083758
    Abstract: Methods for identifying polypeptides which coordinate to select metals, chemosensors comprising polypeptides which coordinate to select metals and methods for selectively detecting the presence of metals using these chemosensors are disclosed.
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: July 4, 2000
    Assignee: California Institute of Technology
    Inventors: Barbara Imperiali, Grant K. Walkup
  • Peptidyl fluorescent chemosensor for divalent zinc
    Patent number: 5928955
    Abstract: The present invention provides a selective fluorescent chemosensor, sensitive to nanomolar concentrations of zinc(II) and selective for this ion over Na.sup.+, Mg.sup.2+, Co.sup.2+.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: July 27, 1999
    Assignee: California Institute of Technology
    Inventors: Barbara Imperiali, Grant K. Walkup