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A microfluidic chip for the determination of polyphenolic antioxidants

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Abstract

A microfluidic system of capillary electrophoresis with electrochemical detection is developed. The process of manufacturing a chip based on polydimethylsiloxane and glass for the determination of electroactive compounds is described. We studied the possibilities of the treatment of the chip channel surface in a gas discharge with sodium dodecyl sulfate, sodium deoxycholate, and an ionic liquid of 1-dodecyl-3-trimethylimidazolium chloride, used as additives to the background electrolyte. It was found that the developed microfluidic system can be used for the determination of polyphenolic antioxidants in green tea and red wine.

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Authors and Affiliations

  1. Ioffe Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia

    A. V. Nikovaev & V. V. Filimonov

  2. Department of Chemistry, St. Petersburg State University, Universitetskii pr. 26, St. Petersburg, 198504, Russia

    L. A. Kartsova

Authors
  1. A. V. Nikovaev
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  2. L. A. Kartsova
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  3. V. V. Filimonov
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Corresponding author

Correspondence to L. A. Kartsova.

Additional information

Original Russian Text © A.V. Nikovaev, L.A. Kartsova, V.V. Filimonov, 2015, published in Zhurnal Analiticheskoi Khimii, 2015, Vol. 70, No. 8, pp. 863–869.

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Nikovaev, A.V., Kartsova, L.A. & Filimonov, V.V. A microfluidic chip for the determination of polyphenolic antioxidants. J Anal Chem 70, 983–988 (2015). https://doi.org/10.1134/S1061934815060118

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  • DOI: https://doi.org/10.1134/S1061934815060118

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