高效液相色谱法测定舒他西林片中氨苄青霉素的血药浓度及药动学研究
High Performance Liquid Chromatography and Pharmacokinetics of Ampicillin in Sultamicillin Tablet
-
摘要: 采用HPLC-荧光检测法测定舒他西林片中氨苄青霉素的血药浓度,采用SpherisorbODS柱,流动相为磷酸盐缓冲液(0.05mol/L,pH=4.0)-乙腈(7822,V/V),标准曲线范围0.22~13.89μg/ml,r=0.9997,保留时间为7.3min,回收率大于95%,日内和日间差小于7%,最低检测浓度为0.22μg/ml,无内源性杂质干扰。9名受试者的主要药动学参数:T1/2=1.04±0.22h,Cmax=12.35±3.13μg/ml,Tmax=0.83±0.45h,AUC=19.49±3.46μgh/ml。