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HPLC法测定人血浆中舒芬太尼的浓度

China Pharmacist(2012)

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Abstract
目的:建立测定人血浆中舒芬太尼浓度的高效液相色谱法。方法:血浆样品经正己烷-乙醇(95:5,)提取后,以乙腈-5 mmol·L~(-1)磷酸二氢钾缓冲液(40:60,pH 6.1)为流动相,流速1.0 ml·min~(-1),色谱柱为Agilent Extend C_(18)(150 mm×4.6 mm,5μm),柱温25℃,检测波长230 nm。结果:血浆内源性杂质不干扰待测物测定,舒芬太尼的线性范围为2.014~201.400 g·L~(-1),定量下限为2.014 g·L~(-1),日内、日间RSD均小于6%。样品3次冻融及在提取后,4℃下12 h内稳定性良好。结论:该法灵敏、快速、准确,操作简便,可用于舒芬太尼的血药浓度监测和临床药动学研究。
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Key words
HPLC,Drug concentration in plasma,pharmacokinetics,Sulfentanil,silybin
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