亲合力(avidity) Avidity The overall strength of binding between an Ag with many determinants and multivalent Abs 抗体结合部位 与抗原表位之 间结合的强度 104 106 1010 Affinity Avidity Avidity 抗原抗体亲合力示意图 Avidity • The overall strength of binding between an Ag with many determinants and multivalent Abs Keq = 104 Affinity 106 Avidity 1010 Avidity 抗体结合部位 与抗原表位之 间结合的强度 亲合力(avidity) 抗原抗体亲合力示意图