微板速率法检测丙氨酸氨基转移酶的研究

目的探讨全自动酶联免疫分析系统微板速率法检测丙氨酸氨基转移酶(ALT)的方法评价和临床应用。方法参照国际临床化学联合会(IFCC)的推荐方法,结合分析系统建立微板速率法,通过方法学试验,评价其线性、批内和批间重复性;比较823例体检者血清标本采用微板速率法与常规生化分析仪法检测ALT的结果,并评价方法的临床应用。结果微板速率法检测ALT,在活性303U/L以下具有良好的线性;批内和批间变异系数均小于1/5TEa,其检测结果与常规生化分析仪的相关性良好。结论全自动酶联免疫分析系统微板速率法检测ALT,为大批量标本同时检测ALT和ELISA项目提供了很好的选择,值得临床推广使用。

Study on microtiter plate kinetic method to detection ALT

Objective To investigate the clinical application of ALT detection based on microtiter plate kinetic method in the au‐tomatic enzyme immunoassay system .Methods By beference to the IFCC recommended kinetic method ,microtiter plate kinetic method was established in the automatic enzyme immunoassay system of ALT detection .The linear ,intro‐batch and inter‐batch du‐plicability of the method were evaluated .ALT test results of 823 samples with microtiter plate kinetic method and automatic bio‐chemistry analyzer method were compared .Results Microtiter plate kinetic method had good linearity where ALT activity <303 U/L ,the intra batch and inter batch variation coefficients < 1/5TEa .The detection results of the clinical samples were correlated with the biochemical analyzer .Conclusion Microtiter plate kinetic method to detection ALT in the automatic enzyme immunoassay system is an ideal method for simultaneous detection of ALT and ELISA in large batch samples ,which is worth popularizing .