| Description | Enzyme immunoassay (ELISA) test kit for the determination of free Trastuzumab (Herceptin®, Herclon®) in serum and plasma. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) test kit for the determination of free antibodies directed against the drug Tocilizumab (Actemra®) in serum and plasma. For research use only, not for use in diagnostic procedures. | Competitive enzyme immunoassay for the quantitative measurement of Estradiol in serum or plasma (EDTA, lithium heparin, or citrate plasma). 510(k) Exempt, can be used for in-vitro diagnostics. | Radioimmunoassay (RIA) for the determination of human 17ß-Estradiol (E2) in serum. FDA registered 510(k) Exempt. For In-Vitro Diagnostic Use. | 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. |