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本文介绍用国产酶免定量药盒测定血、尿样中hCG含量的一种ELISA方法。该方法特异性好、经济可靠而且简便快捷,适用于运动员尿样的兴奋剂检测。文中还报道了该方法应用于测定两例志愿者注射hCG后的血、尿样及国际奥委会医学委员会1994年水平考试和1995年资格复试hCG阳性尿样的结果,并讨论了测得值与其它试剂盒测定结果的差异及原因。 相似文献
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人尿中美沙芬及其代谢产物的气—质联用分析 总被引:2,自引:0,他引:2
A GC-MS method for the analysis of dextromethorphan and its metabolites is described. The urine sample was hydrolyzed with HCl, extracted with diethyl ether and derivatized with MSTFA (N-methyl-N-trimethylsilyltrifluoroacetamide)-MBTFA (N-methyl-bistrifluoroacetamide). Dextromethorphan and its 3 metabolites were detected in urine samples within 2~60 h after administration of the drug. Their structures and the variation of their concentration in urine were determined. The detection limit of dextromethorphan is 10 ng. 相似文献
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