| Description | Competitive enzyme Immunoassay (ELISA) for the determination of L-Kynurenine in serum and plasma. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay for the determination of free antibodies to Certolizumab pegol (CZP) in serum and plasma. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of Tenascin-C high molecular weight variants including FNâ…¢-B domain in serum, EDTA Plasma, and cell culture supernatant of human, mouse and rat. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination of Free Testosterone in human serum. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the determination of Tryptophan in urine, serum, and plasma. For research use only, not for use in diagnostic procedures._x000D_ |