| Description | Immunoradiometric assay (RIA) for the quantitative determination of human Insulin (INS) in serum. FDA exempt, can be used for in-vitro diagnostics. | Enzyme immunoassay for the determination of IgG-class antibodies to Epstein-Barr virus nuclear antigen type 1 (EBV-EBNA-1) in human serum or plasma. For research use only - not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the determination of Insulin in serum and plasma. FDA exempt, can be used for in-vitro diagnostics. | Radioimmunoassay (RIA) for the determination of human Testosterone in serum. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the determination of Tryptophan in urine, serum, and plasma. For research use only, not for use in diagnostic procedures._x000D_ |