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IJBB Vol.41(6) [December 2004] >


Title: Automated derivatization with o-phthalaldehyde for the estimation of amino acids in plasma using reversed-phase high performance liquid chromatography
Authors: Gnanou, J V
Srinivas, S K
Kurpad, A V
Keywords: o-Phthaladehyde derivatization
reversed-phase high performance liquid chromatography
plasma amino acid analysis.
Issue Date: Dec-2004
Publisher: CSIR
IPC CodeG01 N 33
88
Abstract: A fully automated method for quantitative estimation of plasma amino acids using fluorescence detection of o-phthaladehyde/2-mercaptoethanol derivatives of the analytes and their separation by gradient elution reversed-phase HPLC has been described. The method is simple and the three-step gradient elution is suitable for routine analysis of a large number of biological samples due to clear resolution, high degree of precision, accuracy, cost-effectiveness and lack of interference from chemical contaminations. Using this method, 19 amino acids were completely resolved and the within-run coefficients of variation ranged from 2.53 to 10.7% with a mean variation of 5.68%.
Page(s): 322-325
ISSN: 0301-1208
Source:IJBB Vol.41(6) [December 2004]

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