| Description | 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. | Radioimmunoassay (RIA) for the determination of human 17ß-Estradiol (E2) in serum. FDA registered 510(k) Exempt. For In-Vitro Diagnostic Use. | Enzyme immunoassay (ELISA) for the determination of IGF-II in human serum, plasma, urine, saliva, and cell culture supernatants. For research use only, not for use in diagnostic procedures. | Solid phase enzyme immunometric assay (ELISA) for the determination of PMN elastase in EDTA or citrated plasma, exudate, bronchoalveolar lavage fluid, cerebrospinal fluid and seminal plasma. 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. |