| Description | Solid phase sandwich ELISA for the determination of hCG in human serum or plasma. For research use only, not for use in diagnostic procedures. | 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. | 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 sandwich ELISA for the determination of OPN N-Half in EDTA plasma, urine, synovial fluid or cell culture media. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the direct quantitative determination of Pregnenolone in human serum. FDA exempt, for in vitro diagnostic use only. |