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兔组织中加替沙星的HPLC含量测定

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摘要 目的建立测定兔血清、心、肝、肾、肺、脾、胆汁中加替沙星药物浓度的方法,研究其分布规律.方法采用高效液相色谱法,色谱柱为Shimpack CLCODS柱(6mm×150mm,5μm),流动相为0.02mol/L磷酸缓冲溶液-乙腈-二乙胺(800:200:2),流速1.0ml/min,检测波长为295nm,柱温为30℃.结果加替沙星浓度在0.5~100μg/ml范围内线性关系良好;回收率在90%~110%之间,日内、日间变异均小于10%.给药后2小时,加替沙星在家兔各组织中有较高的浓度,给药后4小时,加替沙星在胆汁、肾和肝中仍有较高浓度,在其他组织中则快速下降.结论本法测定兔组织样品中加替沙星药物浓度精确、灵敏、可靠,可用于加替沙星的药代动力学研究.
作者 闵行铨 叶勇
出处 《浙江实用医学》 2005年第5期358-359,368,共3页 Zhejiang Practical Medicine
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