Patents by Inventor Jing Jim Zhang

Jing Jim Zhang 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).

  • Derivatization and low level detection of drugs in biological fluid and other solution matrices using a proxy marker
    Publication number: 20080111066
    Abstract: New and improved mass spectrometry methods of determining the pharmacokinetic fate of a compound of interest are described. The methods involve PEGylating the compound, administering to a biological system, withdrawing an analyte from said system, and subjecting said analyte to in-source ionization and fragmentation into PEG ions that are then measured as a surrogate marker or markers for the presence and/or amount of said compound in said analyte.
    Type: Application
    Filed: August 31, 2006
    Publication date: May 15, 2008
    Inventors: Jing Jim Zhang, Douglas L. Cole