Patents by Inventor Qing-Xiang Sang

Qing-Xiang Sang 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).

  • Dipeptide acetylene conjugates and a method for photocleavage of double strand DNA by dipeptide acetylene conjugates
    Patent number: 8927728
    Abstract: Photoreactive DNA cleaving conjugate compounds are provided comprising a DNA cleaving moiety which comprises an aryl alkyne group and a polyfunctional pH-regulated DNA-binding moiety which comprises at least one or two amino groups.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: January 6, 2015
    Assignee: The Florida State University Research Foundation, Inc.
    Inventors: Igor Alabugin, Wang-Yong Yang, Saumya Roy, Kemal Kaya, Qing-Xiang Sang
  • DIPEPTIDE ACETYLENE CONJUGATES AND A METHOD FOR PHOTOCLEAVAGE OF DOUBLE STRAND DNA BY DIPEPTIDE ACETYLENE CONJUGATES
    Publication number: 20120288940
    Abstract: Photoreactive DNA cleaving conjugate compounds are provided comprising a DNA cleaving moiety which comprises an aryl alkyne group and a polyfunctional pH-regulated DNA-binding moiety which comprises at least one or two amino groups.
    Type: Application
    Filed: May 7, 2012
    Publication date: November 15, 2012
    Applicant: The Florida State University Research Foundation, Inc.
    Inventors: Igor Alabugin, Wang-Yong Yang, Saumya Roy, Kemal Kaya, Qing-Xiang Sang
  • Separation of albumin from protein samples
    Publication number: 20060205928
    Abstract: The present invention generally relates to methods for separating albumin from samples comprising albumin and other proteins based on the pl of albumin. More particularly, the methods relate to forming an aqueous combination comprising the sample and an anion or a cation exchange material at various pHs, agitating the combination, and separating a fraction of unbound proteins from a concentrated solids fraction comprising the ion exchange material and bound proteins.
    Type: Application
    Filed: March 2, 2006
    Publication date: September 14, 2006
    Applicant: Florida State University Research Foundation, Inc.
    Inventors: Qing-Xiang Sang, Ziad Sahab