期刊
JOURNAL OF CHROMATOGRAPHY B
卷 755, 期 1-2, 页码 305-309出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0378-4347(01)00126-8
关键词
ciprofloxacin
A simple high-performance liquid chromatographic method is described for the quantitative analysis of ciprofloxacin in human plasma. Following protein precipitation from plasma by means of 6% perchloric acid, the upper layer which contains the analyte and the internal standard lomefloxacin, was analysed on a reverse phase column LiChrospher(R) 60 RP-select B (5 mum) (EcoCART(R) 125-3) with ultraviolet detection at 280 nm. The mobile phase was acetic acid 5%-methanol-acetonitrile (90:5:5, v/v/v). The assay was linear for ciprofloxacin over the concentration range of 0.050 to 6.00 mug ml(-1). The limit of quantification (LOQ) was 0.050 mug ml(-1). The method was successfully applied to a bioavailability study with five different ciprofloxacin formulations. (C) 2001 Elsevier Science B.V. All rights reserved.
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