| 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. | Immunometric assay (ELISA) for the quantitative measurement of intact proinsulin in heparin or EDTA plasma. Measurements of proinsulin are used in the diagnosis and treatment of patients with type 2 diabetes. 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. | Enzyme immunoassay (ELISA) for the determination of free active testosterone in saliva. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of Human Thioredoxin in serum, EDTA plasma, urine and cell culture supernatant. For research use only, not for use in diagnostic procedures. |