The principle, antigen, antibody, enzyme conjugate and substrate of Enzyme-linked Immunosorbent Assay (ELISA) were intraducod.

• 摘要介绍了酶联免疫吸附分析法的基本原理，以及酶联免疫吸附法的抗原、抗体、标记酶和底物相关概念。