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Chemical Papers

, Volume 64, Issue 4, pp 429–433 | Cite as

Liquid chromatographic determination of meloxicam in serum after solid phase extraction

  • Radia Ouarezki
  • Moulay-Hassane GuermoucheEmail author
Original Paper

Abstract

A liquid chromatographic method for the determination of meloxicam in serum has been developed. The technique includes a solid phase extraction of the serum samples on [poly (divinylbenzeneco-N-vinylpyrrolidone)] as a solid phase extraction sorbent. After conditioning, the cartridge was loaded with 1 mL of acidified serum containing an internal standard. Elution was carried out using 1 mL of water-acetonitrile (φ r = 1: 1) mixture. After evaporation of the eluate to dryness and reconstitution of the residue with 0.1 mL of methanol, the samples were analyzed on a Symmetry C18 column. Mobile phase consisted of 1 % aqueous acetic acid/THF/acetonitrile (φ r = 60: 30: 10) + 0.1 mL of 1-octane sulfonic acid. Detection was carried out using a photodiode array detector. Full validation of the proposed method is provided. Linearity of the method was proven over the range of 0.01–10 φg mL−1 of meloxicam. Meloxicam assay was accurate and reliable with average intra- and inter-day precisions lower than 5.0 % and the intra- and inter-day accuracy higher than 97 %. Limits of detection (LOD) and quantitation (LOQ) found were 0.003 μg mL−1 and 0.01 μg mL−1, respectively. The proposed method was successfully utilized to quantify meloxicam in serum.

Keywords

liquid chromatography solid phase extraction photodiode array detector meloxicam serum 

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Copyright information

© Institute of Chemistry, Slovak Academy of Sciences 2010

Authors and Affiliations

  1. 1.Laboratoire de chromatographie, Faculté de ChimieUSTHBAlgerAlgeria

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