期刊
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
卷 401, 期 3, 页码 1013-1021出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-011-5126-9
关键词
Plasma; Saliva; HPLC; UV detection; Rufinamide
资金
- Italian Ministry of Health [RC 2009-10]
- University of Pavia, Italy
The development of a simple and rapid high-performance liquid chromatography (HPLC) method for the determination of the new antiepileptic drug rufinamide (RFN) in human plasma and saliva is reported. Samples (250 mu l) are alkalinized with ammonium hydroxide (pH 9.25) and extracted with dichloromethane using metoclopramide as internal standard. Separation is achieved with a Spherisorb silica column (250 x 4.6 mm i.d., 5 mu m) at 30 A degrees C using as mobile phase a solution of methanol/dichloromethane/n-hexane 10/25/65 (vol/vol/vol) mixed with 6 ml ammonium hydroxide. The instrument used was a Shimadzu LC-10Av chromatograph and flow rate was 1.5 ml min(-1), with a LaChrom L-7400 UV detector set at 230 nm. Calibration curves are linear [r (2) = 0.998 A +/- 0.002 for plasma (n = 10) and r (2) = 0.999 A +/- 0.001 for saliva (n = 9)] over the range of 0.25-20.0 mu g ml(-1), with a limit of quantification at 0.25 mu g ml(-1). Precision and accuracy are within current acceptability standards. The assay is suitable for pharmacokinetic studies in humans and for therapeutic drug monitoring.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据