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Rapid Determination of 5-Fluorouracil in Plasma Using Capillary Electrophoresis by Hao-jie Lu; Yin-long Guo; Hong Zhang; Qing-yu Ou is a Chemistry article available to read on EtoBox.

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A rapid, simple and sensitive capillary electrophoresis (CE) method used for the determination of 5-fluorouracil in rabbit plasma is described in the present paper. In this method, samples were simply pretreated by a solvent extraction procedure prior to injection. With a running buffer composed of 30 mM Tris-H(3)PO(4) (pH 7.0) and 5% isopropanol, 5-fluorouracil was easily separated from the external standard alpha-phenethylol as well as other substances existed in the plasma. A linearity of 5-fluorouracil was determined in the range from 0.17 to 42.50 microg/ml with a correlation coefficient of 0.999. A limit of quantitation (LOQ) corresponding to signal-to-noise ratio of 10 was obtained (LOQ=0.08 microg/ml). The method was successfully used for determining the 5-fluorouracil in real plasma samples from rabbits.

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Author

Hao-jie Lu; Yin-long Guo; Hong Zhang; Qing-yu Ou

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 1873-376X)

Published

2003

Language

EN

Field

Chemistry (Physical Sciences)