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头孢克洛血药浓度测定及其药代动力学研究
引用本文:杨生,张宏文,王蔚青,潘雯澜. 头孢克洛血药浓度测定及其药代动力学研究[J]. 中国生化药物杂志, 2008, 29(5)
作者姓名:杨生  张宏文  王蔚青  潘雯澜
作者单位:1. 江苏省润天生化医药有限公司,江苏,南京,210036
2. 南京医科大学,第一附属医院,药物研究室,江苏,南京,210029
摘    要:目的建立高效液相色谱法测定人血浆中头孢克洛浓度的方法。方法以头孢拉定为内标,采用DIS-COVERYC18色谱柱(4.6mm×250mm,5μm),以醋酸盐缓冲液-乙腈(83∶17)为流动相,流速:1mL/min;检测波长264nm。结果头孢克洛的线性范围为0.2~30μg/mL,回归方程为Y=0.0913X-0.0094,r=0.9996,最低检测浓度为0.1μg/mL,日内和日间RSD均小于7.5%。结论此法准确简便,适用于头孢克洛药代动力学的研究。

关 键 词:头孢克洛  血药浓度  药代动力学  高效液相色谱法

HPLC determination of cefaclor in human plasma and its application in pharmacokinetic studies
YANG Sheng,ZHANG Hong-wen,WANG Wei-qing,PAN Wen-lan. HPLC determination of cefaclor in human plasma and its application in pharmacokinetic studies[J]. Chinese Journal of Biochemical Pharmaceutics, 2008, 29(5)
Authors:YANG Sheng  ZHANG Hong-wen  WANG Wei-qing  PAN Wen-lan
Affiliation:YANG Sheng1,ZHANG Hong-wen2,WANG Wei-qing2,PAN Wen-lan2
Abstract:Purpose A HPLC method was established for the determination of cefaclor in human plasma.Methods Cefaclor and the internal standard cefradine were separated on DISCOVERY C18 column(4.6 mm×250 mm,5 μm)and detected by UV detector.The detection wavelength was 264 nm.The mobile phase consisted of ammonium acetate and acetonitrile(83:17)at a flow rate of 1.0 mL/min.ResultsThe range of calibration was 0.2-30 μg/mL(Y=0.091 3 X-0.009 4,r=0.999 6).The minimal detectable drug concentration in plasma was 0.1 μg/mL.Intra-day RSD and intre-day RSD was <7.5%.ConclusionThe method is simple,rapid and sensitive for cefaclor pharmacokinetics study.
Keywords:cefaclor  plasma concentration  pharmacokinetics  HPLC
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