| Description | Enzyme immunoassay (ELISA) for the direct quantitative determination of Total Estrogens in human serum. 510(k) exempt - for in vitro diagnostic use only. | The Influenza Virus A IgG ELISA is intended for the qualitative determination of IgG class antibodies against Influenza Virus A in human serum or plasma (citrate, heparin). FDA exempt, can be used for in-vitro diagnostics. | Solid phase sandwich ELISA for the determination of Human Leptin in serum, EDTA-plasma and supernatant of cell culture media. For research use only, not for use in diagnostic procedures. | Solid phase direct sandwich ELISA for the determination of Lysozyme in human plasma, serum, or stool. FDA exempt, can be used for in-vitro diagnostics. | Immunoradiometric assay (RIA) for the determination of human prolactin (PRL) in serum and plasma. FDA exempt, can be used for in-vitro diagnostics. |