| Description | Enzyme immunoassay (ELISA) for the quantitative determination of Testosterone in serum and plasma. 510(k) cleared. | Solid phase sandwich ELISA for the determination of BACE1 in human, mouse or rat brain extracts or cultured cell lysate. For research use only, not for use in diagnostic procedures. | Enzyme-linked immunosorbent assay (ELISA) for the determination of Chromogranin A in human plasma or serum. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the direct quantitative determination of Pregnenolone in human serum. FDA exempt, for in vitro diagnostic use only. | Radioimmunoassay (RIA) for the determination of human 1,25(OH)2-Vitamin D (1,25(OH)2-Vit.D) in serum and plasma. For research use only, not for use in diagnostic procedures. |