目的运用定量酶联免疫吸附试验(ELISA)检测人群麻疹免疫水平，探索其影响因素，并为确定麻疹易感者及其免疫策略提供科学依据。
Objective to detect the measles immunity and to study the impact of demographic and other factors on the levels of antibodies by quantitative ELISA.
目的建立酶联免疫吸附试验，对层粘连蛋白进行定量检测。
Objective To develop a quantitative ELISA for detection of laminin.
方法 用酶联免疫吸附试验对982例乙肝患者血清标志物和乙肝病毒前S2抗原进行检测；并用荧光定量PCR法对其进行HBV-DNA检测。
Methods Hepatitis B serum markers and Pre-S2 antigens were tested by enzyme-linked immunosorbent assay and HBV DNA was detected by fluorescent quantitative-PCR in 982 hepatitis B patients.
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