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人体血浆及尿液中甲磺酸加替沙星浓度的HPLC测定法 被引量:29

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摘要 目的:建立高效液相色谱法测定血浆和尿液中甲磺酸加替沙星药物浓度。方法:待测血浆和尿液中加入甲磺酸加替沙星与内标环丙沙星后,分别以盐酸反提法和直接进样,进行高效液相荧光检测,色谱柱为Zorbax SB-C18(4.6mm×15cm),流动相为0.1mol·L^-1磷酸-甲醇-三乙胺(64.7:35:0.3),pH为3.0;流速1.0mL·min^-1,激发波长295nm,发射波长495nm。结果:本测定方法血浆和尿液的线性范围为0.0156-1mg·L^-1和0.434-111.11mg·L^-1,相关系数均为0.9997,血浆及尿的相对回收率分别为:88.7%-94.6%,96.70%-110.0%;绝对回收率分别为:78.01%-117.1%,96.73%-106.5%,日内日间变异均小于13%,血浆和尿液中甲磺酸加替沙星的最低检测限分别为0.0156及0.434mg·L^-1。结论:高效液相色谱法测定血浆与尿中药物浓度精确、灵敏、可靠,可用于甲磺酸加替沙星的药代动力学、生物利用度研究及临床血药浓度监测。
作者 朱曼 王睿
出处 《药物分析杂志》 CAS CSCD 北大核心 2003年第1期53-56,共4页 Chinese Journal of Pharmaceutical Analysis
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