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高效液相色谱法测定霉酚酸血药浓度

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摘要 目的建立高效液相色谱法测定人血浆中霉酚酸药物浓度。方法色谱柱为Kromasil C18(5μm,4.6 mm×250 mm);流动相为乙腈?10 mmol/L磷酸二氢钾溶液(pH=5.0)(体积比40∶60);柱温25℃;流速1.5 mL/m in;检测波长为218 nm。结果本测定方法的线性范围:0.1-50μg/mL,r=0.9997。平均回收率为(97.8±4.6)%,日内RSD≤6.4%,日间RSD≤8.1%。霉酚酸的最低检测浓度为0.05μg/mL。结论本方法简单、灵敏、重现性好,适用于临床血药浓度监测,以及人体药代动力学的研究。
作者 陈培鹏 曾颖
出处 《广东药学院学报》 CAS 2005年第5期574-575,共2页 Academic Journal of Guangdong College of Pharmacy
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