| Description | 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. | Solid phase sandwich ELISA for the determination of human Aß (1-x) in EDTA-plasma, cerebrospinal fluids, serum, cell culture media or the extract from brain tissue. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the direct quantitative determination of Estrone in human serum. FDA exempt, can be used for in-vitro diagnostics. | Solid phase sandwich ELISA for the determination of Human Leptin in serum, EDTA-plasma and supernatant of cell culture media. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination of Vasoactive Intestinal Polypeptide (VIP) in human plasma. For research use only, not for use in diagnostic procedures. |