Description | Radioimmunoassay (RIA) for the determination of human IGFBP-3 in serum, plasma, or other human biological fluids (e.g. follicular fluid, seminal plasma). For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the determination of NSE (Neuron-Specific Enolase) in human serum. 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. | Solid phase competitive enzyme immunoassay (ELISA) for the determination of free Triiodothyronine (fT3) in human serum. FDA exempt, can be used for in-vitro diagnostics. | Solid phase competitive enzyme immunoassay (ELISA) for the determination of free Thyroxine (fT4) in human serum. For research use only, not for use in diagnostic procedures. |