Journal
JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES
Volume 857, Issue 1, Pages 59-66Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jchromb.2007.07.008
Keywords
NSAIDs; acetylsalicylic acid; mefenamic acid; piroxicam; salicylic acid; Dual-mode gradient; fluorescence
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Non-steroidal anti-inflammatory drugs (NSAIDs) such as piroxicam and mefenamic acid are commonly prescribed to treat inflammation, pain and fever. Similarly acetylsalicylic acid is used to prevent strokes and heart attacks. A rapid and selective method was developed for the simultaneous assay of three NSAIDs and salicylic acid via HPLC with fluorescence detection. The separation was performed using a dual-mode gradient (aceton.itrile-0.1% aqueous orthophosphoric acid) and the analysis was completed within 7 min using an ACE (R) column C 18, 5 mu m, 150 mm x 4.6 min. Naproxen was used as internal standard. The proposed method is simple, selective as well as with a good sensitivity reaching LOD lower than 2 pmol (0.05 mu M) and was applied for quantitative analysis in pharmaceuticals and in human serum samples. The mean recovery was more than 95% and the within-day and between-days precisions were found to be satisfactory having RSD within the acceptable limits (< 10%). (c) 2007 Elsevier B.V. All rights reserved.
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