radioimmunoprecipitation

例句：

1. 1. Radioimmunoassay is a sensitive method for detecting trace amounts of antigens in biological samples.
   放射免疫沉淀法是一种检测生物样本中抗原微量的方法。
2. 2.The research team used radioimmunoassay to identify the presence of a particular protein in the blood sample.
   研究团队使用放射免疫沉淀法在血液样本中识别了特定蛋白质的存在。
3. 3. Radioimmunoassay has proven to be an effective tool for measuring the levels of various hormones in human body fluids.
   放射免疫沉淀法已被证明是测量人体体液中各种激素水平的有效工具。