Patents Represented by Attorney Paul R. Sheldon & Mak Harder

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  • Simultaneous analysis of analytes by immunoassay using capillary electophoresis with laser induced fluorescence
    Patent number: 5863401
    Abstract: Homogeneous competitive immunoassay methods for simultaneously detecting analytes using capillary electrophoresis and fluorescent detection systems are described. The methods are useful for detecting and/or quantitating the concentration of a plurality of drugs of abuse in a single urine sample using a single assay method.
    Type: Grant
    Filed: July 3, 1997
    Date of Patent: January 26, 1999
    Assignee: Beckman Instruments, Inc.
    Inventor: Fu-Tai A. Chen