US Patent Issued to Psychemedics on Sept. 30 for "Homogeneous enzyme immunoassay for keratinized structures" (California Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,484, issued on Sept. 30, was assigned to Psychemedics Corp. (Acton, Mass.).

"Homogeneous enzyme immunoassay for keratinized structures" was invented by Gary Neil Stowe (Manhattan Beach, Calif.), Elvan Loni (Torrance, Calif.), Virginia Ann Hill (Los Angeles) and Michael Irving Schaffer (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and kits for determining the presence and/or amount of one or more analytes in a keratinized structure (e.g., hair) sample. Such methods can include combining in an aqueous medium: a conjugate comprising an enzyme and an analyte of interest, an antibody specific for the analyte of interest, and the ke...