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高效液相色谱法测定Beagle犬血浆塞克硝唑含量

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摘要 目的建立测定Beagle犬血浆塞克硝唑浓度的高效液相色谱法。方法犬血浆样品经甲醇沉淀蛋白后,上清液60℃水浴氮气吹干,甲醇溶解残渣,离心后取上清液进行色谱分析;流动相为甲醇-乙腈-水(24:1.5:74.5);色谱柱为Inertsil ODS-Ⅲ C18(5μm,150mm×4.6mm ID);检测波长:320nm;流速:1.0mL·min^-1。结果血药浓度在0.05-100.00μg·mL^-1范围内峰面积与浓度线性关系良好(r=0.9998),色谱峰分离良好,无干扰,平均绝对回收率范围为84.8%-91.7%,平均方法回收率范围为99.3%-102.6%,日内精密度3.4%-5.7%;日间精密度5.0%-6.2%。结论该法简便易行,灵敏度高,重现性好,适用于塞克硝唑药动学和生物利用度的血样测定。
出处 《医药导报》 CAS 2006年第11期1136-1137,共2页 Herald of Medicine
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