| Description | Radioimmunoassay (RIA) for the determination of chromogranin A (CGA) in human serum or plasma. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the determination of Acid Labile Subunit (ALS) in serum and plasma (heparin, EDTA, citrate). For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination human FGF21 in serum, EDTA plasma and cell culture supernatant. 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. | Solid phase sandwich ELISA for the determination of Human Tenascin-C containing high molecular weight variants (Human Tenascin-C HMWV) in serum, plasma (heparin), or cell culture media. For research use only, not for use in diagnostic procedures. |