Determination of S/R ratio of mephenytoin in human urine by chiral HPLC and ultraviolet detection and its comparison with gas chromatography

被引:0
|
作者
黄松林 [1 ]
谢红光 [1 ]
王伟 [1 ]
许振华 [1 ]
蒋长虹 [1 ]
周宏灏 [1 ]
机构
[1] 湖南医科大学遗传药理学研究所
关键词
美芬妥英; 细胞色素P-450CYP2C19; 高压液相色谱法; 药物遗传学; 气相色谱法;
D O I
暂无
中图分类号
R968,R914.1 [];
学科分类号
100602 ; 100706 ;
摘要
目的:建立人尿中R,S美芬妥英的液相色谱手性分离与检测方法,用于CYP2C19酶活性的快速测定.方法:受试者口服消旋美芬妥英后的0-8h尿液标本用二氯甲烷提取后用手性色谱柱进行分离,流动相为乙腈和水(14∶86,体积比),其中含有0.1%的冰醋酸和0.2%的三乙胺,流速为0.9mL·min-1,紫外检测波长为207nm.结果:在选定的色谱条件下R,S美芬妥英能很好地分离,尿中其他物质无干扰.用外标法定量,线性范围在50-5000μg·L-1,最小检出浓度为12.5μg·L-1,保留时间在9min内.液相色谱分析结果和气相色谱分析具有良好的一致性.结论:该法样本制备简便、分析时间短、线性范围宽、干扰少、灵敏和准确,可用于人体内美芬妥英代谢的研究和肝药酶CYP2C19酶活性的检测
引用
收藏
页码:49 / 51
页数:3
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