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Development of a simple and sensitive method for the determination of virginiamycin M1 antibiotic by capillary electrophoresis

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Abstract

Virginiamycin antibiotic is used in Mexico for animal growth promotion but has been banned in Europe due to risk of resistance development. Giving that monitoring of antibiotics is critical, the objective of this work was to develop an analytical method based on capillary electrophoresis and liquid-liquid extraction, to quantify virginiamycin antibiotic in livestock wastes. Linearity, precision, bias and extraction parameters were evaluated following ISO/IEC 17025 procedures. Method and extraction validation were satisfactorily, with average values of absolute recovery AR = 86%, extraction efficiency EE = 87%, and matrix effects ME = -14%, RSD<15% for concentrations as low as 50 \(\upmu \)g/L.

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Data Availability

The data that support the findings of this study are available from the corresponding author C.Díaz-Quiroz, upon reasonable request.

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Funding

We appreciate the financing support of Instituto Tecnológico de Sonora through the program PROFAPI-2021-0084; F. Robles would like to acknowledge the scholarship 1002055 from CONACYT.

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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Juan Francisco Hernández-Chávez and Jesús Fernando Robles-Castro. The first draft of the manuscript was written by Carlos Abraham Díaz-Quiroz. Gabriela Ulloa-Mercado and Carlos Díaz contributed to original concept, funding, supplied reagent and manuscript revisions and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Carlos Abraham Díaz-Quiroz or Gabriela Ulloa-Mercado.

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Hernández-Chávez, J.F., Robles-Castro, J.F., Díaz-Quiroz, C.A. et al. Development of a simple and sensitive method for the determination of virginiamycin M1 antibiotic by capillary electrophoresis. Chem. Pap. 76, 7419–7427 (2022). https://doi.org/10.1007/s11696-022-02412-9

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  • DOI: https://doi.org/10.1007/s11696-022-02412-9

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