| Description | Enzyme immunoassay (ELISA) for the determination of Insulin in serum and plasma. FDA exempt, can be used for in-vitro diagnostics. | Radioimmunoassay (RIA) for the determination of human Complement C4a des Arg in human plasma. 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 determination of Gamma-aminobutyric acid (GABA) in human plasma, serum, and urine. For research use only, not for use in diagnostic procedures. | Immunoradiometric assay (RIA) for the determination of human prolactin (PRL) in serum and plasma. FDA exempt, can be used for in-vitro diagnostics. |