Rapid classification of biological components

Chemistry: analytical and immunological testing – Involving an insoluble carrier for immobilizing immunochemicals

Reexamination Certificate

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C436S538000, C436S540000, C435S007100, C435S007920, C435S007930, C435S971000, C435S973000, C435S975000, C422S050000, C422S051000, C422S051000, C422S067000, C424S130100

Reexamination Certificate

active

06989276

ABSTRACT:
A method is disclosed for analyzing a biological sample by antibody profiling for identifying forensic samples or for detecting the presence of an analyte. In an illustrative embodiment of the invention, the analyte is a drug, such as marijuana, cocaine, methamphetamine, methyltestosterone, or mesterolone. The method involves attaching antigens to the surface of a solid support in a preselected pattern to form an array wherein the locations of the antigens are known; contacting the array with the biological sample such that a portion of antibodies in the sample reacts with and binds to antigens in the array, thereby forming immune complexes; washing away antibodies that do form immune complexes; and detecting the immune complexes, thereby forming an antibody profile. Forensic samples are identified by comparing a sample from an unknown source with a sample from a known source. Further, an assay, such as a test for illegal drug use, can be coupled to a test for identity such that the results of the assay can be positively correlated to the subject's identity.

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