建立了反相高效液相色谱法定量分析全血中马钱子碱和士的宁含量的方法.该方法应用Oasis R ○MCX固相萃取小柱进行提取、采用XTerraTM RP18色谱柱进行分离.在该条件下马钱子碱和士的宁的线性范围为0.05~10 mg/L,最小检出限为0.15 ng.该方法测得马钱子碱和士的宁在低、中、高浓度下的回收率均在90%以上,日内、日间精密度均符合方法学要求.该方法灵敏、快速、准确,适用于临床血药浓度监测和法医毒化检验.
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