Determination of Cefditoren concentration in Human Plasma by RP-HPLC
沈映冰, 杨伟权, 谢静文
Abstract
沈映冰, 杨伟权, 谢静文
Abstract
目的 建立RP-HPLC法测定人血浆中头孢吡肟的浓度.方法 色谱柱:Nucleodur C18>分析柱(4.6 mm×250mm,5 μm),流动相:0.03%三氟乙酸缓冲液/乙腈(81/19,V/V,冰醋酸调节pH=5),流速1.0 ml/min,检测波长270 nm,柱温30℃,进样量20μl.结果 头孢吡肟线性范同为0.02~5.0μg/ml.头孢吡肟的最低检测限为0.02μg/ml,日内、日间RSD均小于5%,相对同收率为97.6%~104.5%,提取回收率均大于91.3%.结论 该方法灵敏、简便、准确度高,可用于头孢吡肟的血药浓度测定。
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目的 建立RP-HPLC法测定人血浆中头孢吡肟的浓度.方法 色谱柱:Nucleodur C18>分析柱(4.6 mm×250mm,5 μm),流动相:0.03%三氟乙酸缓冲液/乙腈(81/19,V/V,冰醋酸调节pH=5),流速1.0 ml/min,检测波长270 nm,柱温30℃,进样量20μl.结果 头孢吡肟线性范同为0.02~5.0μg/ml.头孢吡肟的最低检测限为0.02μg/ml,日内、日间RSD均小于5%,相对同收率为97.6%~104.5%,提取回收率均大于91.3%.结论 该方法灵敏、简便、准确度高,可用于头孢吡肟的血药浓度测定。
Key concepts: Chromatography, Human plasma, Chemistry, High-performance liquid chromatography, Plasma concentration, Medicine, Pharmacology