Abstract
A rapid and sensitive analytical method for the simultaneous determination of four fluoroquinolones, four tetracyclines and six sulfonamides in chicken muscle using ultra-performance liquid chromatography coupled to tandem mass spectrometry (UPLC–MS–MS) has been developed and validated. Samples were extracted with McIlvaine buffer-acetonitrile, defatted with n-hexane, and analyzed by UPLC–MS–MS. Solvent delay technique was applied in the analysis to remove the non-volatile phosphate and carry out farther on-line SPE clean-up. Satisfactory recoveries (55–110%) of all the veterinary drugs were demonstrated in 1, 10 and 20 μg kg−1 spiked levels with the overall RSD for intra- and inter-day of 14 analytes less than 18%. The LOD and LOQ were 0.3 and 1.0 μg kg−1, respectively. Quantitative results of 103 real samples indicated that the present method was suitable for the quantitative analysis of real samples.
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Acknowledgments
This work was supported by the National Basic Science Research for the 11th Five-Year plan (No.2006BAD31B09-2). The authors appreciate the cooperation of other faculty members in the Department of Pharmacology and Toxicology of the Veterinary Medicine at the China Agriculture University.
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J. Shen and L. Guo contributed equally to this work.
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Shen, J., Guo, L., Xu, F. et al. Simultaneous Determination of Fluoroquinolones, Tetracyclines and Sulfonamides in Chicken Muscle by UPLC–MS–MS. Chroma 71, 383–388 (2010). https://doi.org/10.1365/s10337-009-1463-7
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DOI: https://doi.org/10.1365/s10337-009-1463-7