| Description | Solid phase sandwich ELISA for the determination of human ANGPTL2 in serum, EDTA-plasma and cell culture supernatant. For research use only, not for use in diagnostic procedures._x000D_ | Enzyme immunoassay (ELISA) for the determination of Estrone in saliva. 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. | 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. | Radioimmunoassay (RIA) for the determination of 25-hydroxyvitamin D3 and D2 (25-OH-D3 and 25-OH-D2) in serum. For research use only, not for use in diagnostic procedures. |