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实验方法原理「夹心」 ELISA夹心法是免疫检测中最简单和最有用的方法之一，它可用于检测样品中抗原的浓度(图 14.1)。将一种抗体包被到酶标板中。当把包含靶抗原的溶液加入微孔中时，包被的抗体捕获抗原，仔细洗涤去除未结合抗原。二抗识别的是被