| Description | Solid phase competitive enzyme immunoassay (ELISA) for the determination of total T4 (Thyroxine) in human serum or plasma. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination each of human, rat and mouse a 2,6-sialyltransferase in serum, EDTA plasma and cell culture supernatant. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of human Aß(1-40) 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. | Solid phase enzyme-linked immunoassay (ELISA) for the determination of Corticosterone in serum and plasma. FDA exempt, can be used for in-vitro diagnostics. | Radioimmunoassay (RIA) for the determination of human Testosterone in serum. For research use only, not for use in diagnostic procedures. |