| Description | Solid phase competitive enzyme immunoassay (ELISA) for the quantitative determination of Free Triiodothyronine (fT3) concentration in human serum. FDA exempt, can be used for in-vitro diagnostics. | Solid phase sandwich ELISA for the determination of human Angiotensinogen ELISA in serum, EDTA-plasma, urine, or cell culture media. For research use only, not for use in diagnostic procedures. | The Complement C4d assay is an enzyme-linked immunosorbent assay (ELISA) for the semiquantitative determination of C4d in human plasma. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the determination of IgG class antibodies against Coxiella burnetii phase 1 in the early stages of infection in human serum. 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. |