A polyclonal antibody specific for Chicken IgG has been pre-coated onto a microplate.

• 用纯化的抗体包被微孔板，制成固相抗体，往包被抗体的微孔中同时加入酶标的抗原和待测抗原，被测抗原与酶标记抗原对特异性抗体进行竞争结合。