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Evaluation of micellar liquid chromatography and capillary zone electrophoresis for dope control in sport

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Abstract

Micellar liquid chromatography (MLC) and capillary zone electrophoresis (CZE) have been evaluated for the analysis of twelve banned drugs in sport including diuretics and β-blockers. In MLC, a sodium dodecylsulphate aqueous solution has been used as mobile phase using an octadecylsilica column. In CZE, a pH 8 buffer solution and a silica capillary have been employed. Parameters of retention and efficiency have been compared. Limits of detection with UV detection at 254 nm and relative standard deviations for atenolol, furosemide, nadolol, spironolactone and triamterene were established and compared in both techniques. Examples of direct urine injection into the separation systems are presented. Drugs overlapping in MLC are well resolved in CZE, while the opposite is true for a limited number of drugs. Some interferences from urine may arise in CZE. The selectivity of analysis would be greatly enhanced by using both techniques, which require only filtration as pre-treatment.

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Authors and Affiliations

  1. Department of Analytical Chemistry, Faculty of Sciences, University of Málaga, E-29071, Málaga, Spain

    J. Miguel Vadillo, M. Esther Gonzalez, Isabel Carretero & J. Javier Laserna

Authors
  1. J. Miguel Vadillo
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  2. M. Esther Gonzalez
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  3. Isabel Carretero
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  4. J. Javier Laserna
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Miguel Vadillo, J., Esther Gonzalez, M., Carretero, I. et al. Evaluation of micellar liquid chromatography and capillary zone electrophoresis for dope control in sport. Mikrochim Acta 118, 273–282 (1995). https://doi.org/10.1007/BF01244368

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  • DOI: https://doi.org/10.1007/BF01244368

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