| Description | Enzyme immunoassay (ELISA) for the determination of human IgG antibodies directed against Parvovirus B19 in serum or plasma (EDTA, citrate, heparin). For research use only, not for use in diagnostic procedures. | Solid phase sandwich enzyme-linked immunosorbent assay (ELISA) for the determination of Endothelin-1 in serum, EDTA-plasma, tissue extracted, and cell culture supernatant. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the quantitative measurement of human Progesterone (PROG) in serum. FDA registered 510(k) Exempt. For In-Vitro Diagnostic Use. | Immunoradiometric assay (RIA) for the determination of human prolactin (PRL) in serum and plasma. FDA exempt, can be used for in-vitro diagnostics. | 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. |