| Description | Radioimmunoassay (RIA) for the determination of Free Testosterone in human serum. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of Human APP ßCTF in cell lysate. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination of human Cortisol in serum, plasma or urine without extraction. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the determination of Estrone in saliva. For research use only, not for use in diagnostic procedures. | Enzyme linked immunosorbent assay (ELISA) for the determination of human IgG antibodies in serum or plasma directed against Helicobacter pylori. For research use only, not for use in diagnostic procedures. |