The purified IgG3 (heavy chain specific) antibody may be used as an immunoglobulin calibrator, reference antigen, blocking agent or coating protein in a variety of immunoassays including ELISA, dot-blot immunobinding, Western immunoblotting, immunodiffusion, immunoelectrophoresis, hemagglutination, and cell-binding assays. IgG3 (heavy chain specific) antibody was used as secondary antibody in ELISA.
