《英文msh词典》Precipitin Assay,Radioimmune
[同义词] Precipitin Assay,Radioimmune
[主题词] Radioimmunoprecipitation Assay
[中文释义] 沉淀素测定,放射免疫
[英文释义] 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.