| Description | Radioimmunoassay (RIA) for the determination of human Complement C4a des Arg in human plasma. For research use only, not for use in diagnostic procedures. | 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 linked immunosorbent assay (ELISA) for the determination of antibodies directed against human spermatozoa in serum. For research use only, not for use in diagnostic procedures. | The Clostridium tetani toxin IgG ELISA is intended for the determination of IgG class antibodies against Clostridium tetani toxin in human serum or plasma (citrate, heparin). 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. |