| Description | Enzyme linked immunosorbent assay (ELISA) for the determination of human IgA antibodies in serum or plasma directed against Helicobacter pylori. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of Human COX-2 in lysate of cultured cells. 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 IGFBP-3 in human serum, plasma (heparin), or cerebrospinal fluid. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the determination of soluble human leptin receptor (sLEP-R) in human serum or plasma. For research use only, not for use in diagnostic procedures. |