超高效液相色谱法测定卡马西平的血药浓度(1)
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摘要:目的:建立超高效液相色谱法测定血清中卡马西平的质量浓度。方法:血样经乙醚萃取后,经WATERS BEH C18(2.1×50mm,1.7μm)分离,甲醇-水为流动相进行色谱分析,检测波长为214nm。结果:本方法线性范围为1.0-20.0μg/mlμg/ml(r=0.9948),高、中、低血样的平均回收率分别为102.3%、103.2%、100.8%,日内、日间RSD小于10%。结论:本法操作简便,回收率高,精密度好,适用于临床常规检测卡马西平的血药浓度。
关键词:超高效液相色谱;卡马西平;血药浓度
UPLC determination of Carbamazepine concentrations in human serum
Abstract Objective: To establish a UPLC method for detecting carbamazepine concentration in serum. Method: Carbamazepine was extracted from serum with diethyl and separated using a WATERS BEH C18(2.1×50mm,1.7μm). Mobile phase was a mixture of methanol and water and the detected wavelength was at 214nm ......
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