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放射免疫分析法(Radioimmunoassay简称RIA)是六十年代发展起来的一项新的超微量分析方法。它是利用放射性同位素示踪法具有的高度灵敏性与抗原抗体间免疫化学反应具有的高度特异性相结合而形成的分析体内超微量成分的薪技术。该法起源于1959年美国学者Berson和Yalow研究胰岛素和胰岛素抗体免疫反应时,首先创建了此法。放射免疫分析法的特点是特异性强、灵敏度高,可达到10~(-6)克(μg)～10~(-12)克(pg)水平,取样量少,仅需要50
Radioimmunoassay (Radioimmunoassay referred to as RIA) was developed in the sixties a new method of ultra-microanalysis. It is the use of radioactive isotope tracer has a high degree of sensitivity and antigen-antibody immunochemical reaction with a high degree of specificity of the combination of ultra-trace elements in the composition of the paid technology. The law originated in 1959 American scholar Berson and Yalow insulin and insulin antibody immune response, first created this method. Radioimmunoassay is characterized by strong specificity and high sensitivity, which can reach levels of 10 -6 μg to 10 12 μg, with a small sample size of only 50