| Definition of 'radioimmunoprecipitation assay' |
U.S. National Library of Medicine |
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1. radioimmunoprecipitation assay
Sensitive assay using radiolabeled ANTIGENS to detect specific ANTIBODIES in SERUM. The antigens are allowed to react with the serum and then precipitated using a special reagent such as PROTEIN A sepharose beads. The bound radiolabeled immunoprecipitate is then commonly analyzed by gel electrophoresis. Radioimmunoprecipitation assay (RIPA) is often used as a confirmatory test for diagnosing the presence of HIV ANTIBODIES.
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Definitions of radioimmunoprecipitation assay
