alexa Quantitative analysis of trimethylsilyl derivative of hydroxyurea in plasma by gas chromatography-mass spectrometry.
Chemical Engineering

Chemical Engineering

Journal of Chromatography & Separation Techniques

Author(s): James H, Nahavandi M, Wyche MQ, Taylor RE

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Abstract Hydroxyurea is an antitumor drug widely used in the treatment of sickle cell disease. The drug has been analyzed in biological fluids by a number of high-performance liquid chromatography (HPLC) methods. This paper describes a fast and highly reliable capillary gas chromatography-mass spectrometry (GC-MS) procedure that was developed for the detection and quantitation of hydroxyurea in plasma. The compound and its labeled internal standard were liquid extracted from plasma and derivatized with BSTFA before analysis. The detection limit of the assay was 0.078 microg/ml and the limit of quantitation was 0.313 microg/ml with linearity up to 500 microg/ml. Intra-day variation, as coefficient of variation (C.V., \%) over the selected concentration range, was 0.3-8.7\% and inter-day variation was 0.4-9.6\%. This article was published in J Chromatogr B Analyt Technol Biomed Life Sci and referenced in Journal of Chromatography & Separation Techniques

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