| Description | Enzyme immunoassay (ELISA) for the determination of human IgM antibodies directed against Leptospira in serum or plasma (EDTA, citrate, heparin). For research use only, not for use in diagnostic procedures. | Enzyme linked immunosorbent assay (ELISA) for the determination of human IgG antibodies in serum or plasma directed against Helicobacter pylori. For research use only, not for use in diagnostic procedures. | The Mumps Virus IgM ELISA is intended for the determination of IgM class antibodies against Mumps Virus in human serum or plasma (citrate, heparin). 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. | Enzyme immunoassay (ELISA) for the determination of Tryptophan in urine, serum, and plasma. For research use only, not for use in diagnostic procedures._x000D_ |