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为了提高EIA测定的灵敏度,使用亲合纯化后的抗体是十分必要的~([1])。目前多数方法是将抗体进行亲和纯化后再与HRP交联.制备高纯度的酶标抗体~([2～4])。这
In order to increase the sensitivity of the EIA assay, it is essential to use affinity-purified antibodies ~ ([1]). At present, most of the methods are to affinity-purified antibodies and cross-link with HRP to prepare high-purity enzyme-labeled antibody ~ ([2-4]). This