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Title: HPLC Method for Quantification of Oxidative Stress by Salicilate Hydroxylation in Human Plasma
Authors: 46461
Issue Date: Sep-2010
Publisher: Oxford Academic
Abstract: The aim of the present study was to modify and validate a high-performance liquid chromatographic (HPLC) method for determining 2,3 and 2,5 dihydroxybenzoic acid (2,3-DHBA and 2,5-DHBA) from salicylic acid in human plasma. The mobile phase was a mixture of sodium acetate/citrate (pH 2.5) 30 mM-methanol (93:7, v/v). The injection volume was 10 µL. Retention time for 2,5- DHBA, and 2,3-DHBA was 4.5 ± 0.10 and 5.8 ± 0.15 min, respectively. The detection and quantification limits were 10 and 40 nM for 2,3-DHBA and 8 and 20 nM for 2,5-DHBA. Linearity was evaluated in the range of 40–1600 nM for both metabolites. Inter-and intra-analysis variation coefficient was below 10%. Good recoveries of more than 99% were obtained for both metabolites using this method.
ISSN: 1945-239X
Other Identifiers: info:eu-repo/semantics/publishedVersion
Appears in Collections:*Documentos Académicos*-- M. en Ciencias y Tecnología Química

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