液相色谱-串联质谱法定性检测人尿中八种违禁药物

被引:9
作者
杨志勇
何根业
陆江海
吴筠
董颖
申利
闫宽
马艳华
机构
[1] 国家体育总局反兴奋剂中心
关键词
液相色谱串接质谱; 人尿; 兴奋剂;
D O I
暂无
中图分类号
R446.12 [尿液检验]; O657.63 [质谱分析];
学科分类号
070302 [分析化学]; 100208 [临床检验诊断学];
摘要
目的:本实验基于液相色谱-串联质谱(LC-MS/MS)技术和简单的样品前处理过程,建立迅速、准确定性检测人尿中多种违禁药物的方法,包括以下8种药物:雄1,4,6-三烯-3,17-二酮(androst-1,4,6-trien-3,17-dione)、勃拉睾酮(bolasterone)、氧雄龙(oxandrolone)、4-羟基睾酮(4-hydroxytestosterone)、表甲雄二醇(epimetnandiol)、2-(4-((2-(4-(三氟甲基)苯基)-5-甲基噻唑-4-基)甲基硫基)-2-甲基苯氧基)乙酸(GW501516)、甲基司腾勃龙(methylstenbolone)、S-3-(4-乙酰氨基)-2-羟基-2-甲基-N-(4-硝基-3-三氟甲基苯基)丙酰胺(o-dephenylostarine)。方法:采用液相色谱串接质谱、Zorbax XDB-C18色谱柱;尿样经液液萃取后上样分析。结果:筛查药物最低检测限在0.52 ng/ml之间,回收率均高于50%,日内精密度、日间精密度均低于20%。稳健度均低于15%。结论:本工作对样品前处理方法、质谱条件等方面进行了优化,建立同时检测这8种化合物的液相色谱-串联质谱方法。采用该方法检测这8种药物,能达到世界反兴奋剂机构技术文件对最低检测下限及日内、日间精密度的要求,保证本实验室能够通过世界反兴奋剂机构(WADA)每季度水平考试,从而保证本实验室具有检测国际比赛样品的资格。
引用
收藏
页码:721 / 724
页数:4
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