| Description | Enzyme immunoassay (ELISA) for the determination of human IgM antibodies directed against Campylobacter jejuni in serum or plasma (EDTA, citrate, heparin). For research use only, not for use in diagnostic procedures. | 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 IGFBP-3 in human serum, plasma (heparin), or cerebrospinal fluid. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of human Osteopontin (Human OPN) in plasma (EDTA), urine, or cell culture media. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination of Free Testosterone in human serum. For research use only, not for use in diagnostic procedures. |