| Description | Enzyme linked immunosorbent assay (ELISA) for the determination of human IgA antibodies directed against pathogenic Brucella ssp. in serum and plasma (EDTA, citrate, heparin). For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination each of human, rat and mouse a 2,6-sialyltransferase in serum, EDTA plasma and cell culture supernatant. 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 soluble human leptin receptor (sLEP-R) in human serum or plasma. For research use only, not for use in diagnostic procedures. | Immunoenzymetric assay (ELISA) for the quantitative determination of 25-hydroxyvitamin D2 and D3 (25OH-D2 and 25OH-D3) in serum and plasma. 510(k) cleared. |