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甲胎蛋白（AFP）是一种与肝癌相关的抗原，在肝癌患者血清和4～6个月胎儿心血中含量较高。AFP对诊断原发性肝癌具有专一性，随着单克隆抗体技术的发展，目前我国已有几家生产单位正在研制AFP酶标诊断试剂盒，因此有必要建立AFP国家标准品。取30人份脐带血分离血清，用酶联法测
Alpha-fetoprotein (AFP) is an antigen associated with liver cancer. It has a high content in the blood serum of patients with liver cancer and the fetal blood from 4 to 6 months. AFP is specific to the diagnosis of primary liver cancer. With the development of monoclonal antibody technology, several production units in China are currently developing AFP enzyme-labeled diagnostic kits. Therefore, it is necessary to establish AFP national standards. Take 30 human cord blood serum and measure it with enzyme-linked method