| Description | Radioimmunoassay (RIA) for the determination of human Testosterone in serum. For research use only, not for use in diagnostic procedures. | Solid phase sandwich enzyme-linked immunosorbent assay (ELISA) for the determination of Amyloid ß Toxic Oligomer in cerebrospinal fluids. For research use only, not for use in diagnostic procedures. | Solid phase sandwich enzyme-linked immunosorbent assay (ELISA) for the determination of Endothelin-1 in serum, EDTA-plasma, tissue extracted, and cell culture supernatant. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of human Mac-2bp in serum, EDTA-plasma and cell culture media. For research use only, not for use in diagnostic procedures. | Solid phase competitive enzyme immunoassay (ELISA) for the determination of free Thyroxine (fT4) in human serum. For research use only, not for use in diagnostic procedures. |