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反相高效液相色谱法测定大鼠全血中虫草素含量 被引量:1

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摘要 目的建立一种测定血液中虫草素含量的反相高效液相色谱法。方法大鼠全血0.4 ml,加入甲醇1.6 ml,4℃12000 r/min离心10 min,取上清液50℃氮气吹干,用0.15 ml甲醇复溶,12000 r/min离心15 min,取上清液10μl进样;色谱条件为ODS-SP C18色谱柱(4.6 mm×250 mm,5μm),以甲醇∶水=27∶73为流动相;流速0.8 ml/min;柱温35℃;紫外检测波长259 nm;检测血中虫草素含量。结果虫草素浓度在0.1-5.0μg/ml范围内线性关系良好,相关系数为0.9998;浓度为0.2、1.0、5.0μg/ml时日内RSD(%)分别为5.38、0.63、2.95,日间RSD(%)分别为2.20、4.41、2.57;检出限(S/N=3)为0.05μg/ml;全血中浓度为0.1、0.8、1.5μg/ml时回收率为85%-102%。结论该反相高效液相色谱法灵敏度高,重复性好,能有效分离检测血中虫草素含量。
出处 《卫生研究》 CAS CSCD 北大核心 2015年第4期678-680,共3页 Journal of Hygiene Research
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参考文献11

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