免疫血清学反应的一般特点 1.特异性与交叉性 具有高度特异性 The ability of an individual antibody combining site to react with only one antigenic determinant The ability of a population of antibody molecules to react with only one antigen 若存在共同抗原,则发生交叉反应。 The ability of an individual ab combining site to react with more than one antigenic determinant The ability of a population of ab molecules to react with more than one Ag1. 特异性与交叉性 具有高度特异性 • The ability of an individual antibody combining site to react with only one antigenic determinant. • The ability of a population of antibody molecules to react with only one antigen. 若存在共同抗原，则发生交叉反应。 • The ability of an individual Ab combining site to react with more than one antigenic determinant. • The ability of a population of Ab molecules to react with more than one Ag 二、免疫血清学反应的一般特点