摘要
目的:建立血浆中华法林对映体浓度的立体选择性高效液相色谱法。方法:血浆标本经碱洗、酸化和乙醚提后,与碳苄氧基-L-脯氨酸进行柱前衍生化为差向体。以正己烷-乙酸乙酯-乙酸-甲醇为流动相,经普通硅胶柱分离对映体和在紫外λ313nm处检测。结果:对映体标准曲线范围0~4.0mg/L,最低检出限<0.1mg/L,批内,批间平均RSD均<7%,平均回收率100.22%,临床上常用药物对本法没有干扰。结论:本法简便可靠,可用于临床华法林对映体的药动学和药效学研究。
OBJECTIVE:Astereoselectivehighperformanceliquidchromatography(HPLC)wasestablishedtodeterminewarfarinenantiomersinhumanplasma.METHOD:Theplasmawasextractedwithetherafteracid/basepurification.Aprecolumnderivatizationwasconductedbyusingcarbobenzyloxy-L-proline.Theenantiomerswereelutedwithhexane-aceticester-aceticacid-methanolanddetectedatλ313.RESULTS:Therangeofstandardcurveofeachenantiomerwas0~4.0mg/L,withthelowestdetectivelimitof0.10mg/Lorless.Theaveragerelativestandardofdeviation(RSD)ofwithinorbetween-assaywerelessthan7%andtheaveragerecoveryratewas100.22%.Commonlyco-administereddrugdidnotinterferetheassay.CONCLUSION:Themethodpermitscharac-terizationofthepharmacokineticsandpharmacodynamicsofwarfarinenantiomersinclinicalsetting.
出处
《中国药学杂志》
CAS
CSCD
北大核心
1996年第6期360-363,共4页
Chinese Pharmaceutical Journal