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Inorganic Materials

, Volume 54, Issue 14, pp 1387–1391 | Cite as

Use of Piezoelectric Sensors for the Determination of Oleic and Palmitic Acids in Vegetable Oils

  • O. V. DuvanovaEmail author
  • I. A. Krivonosova
  • A. N. Zyablov
  • A. V. Falaleev
  • V. F. Selemenev
  • S. A. Sokolova
ANALYSIS OF SUBSTANCES
  • 14 Downloads

Abstract

Piezoelectric sensors based on molecularly imprinted polymers (MIPs) for sensing oleic (MIP-Oleic) and palmitic (MIP-Palmitic) acids were tested in the analysis of vegetable oils. When creating the MIP sensors, electrodes were modified with the PM polyimide (dianhydride of 1,2,4,5-benzenetetracarboxylic acid and 4,4′-diaminodiphenyl oxide). Values of the imprinting factor and selectivity coefficients of the molecularly imprinted polymers for sensing fatty acids were compared. Chromatography mass spectrometry was used as a comparison method. The difference between the results of the determination of acids by using a piezoelectric sensor and by chromatography mass spectrometry does not exceed 10%. It is established that sensors modified with molecularly imprinted polymers are selective to the acid that served as a template for the polymer synthesis.

Keywords:

molecularly imprinted polymers oleic acid palmitic acid polyimide PM piezoelectric sensor vegetable oils 

Notes

ACKNOWLEDGMENTS

This study was supported by the Federal Target Program “Research and Development in the Priority Areas of Development of the Russian Scientific and Technological Complex for 2014–2020” (agreement no. 14.577.21.0182, the unique identifier for applied scientific research is RFMEFI57715X0182).

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Copyright information

© Pleiades Publishing, Inc. 2018

Authors and Affiliations

  • O. V. Duvanova
    • 1
    Email author
  • I. A. Krivonosova
    • 1
  • A. N. Zyablov
    • 1
  • A. V. Falaleev
    • 1
  • V. F. Selemenev
    • 1
  • S. A. Sokolova
    • 2
  1. 1.Voronezh State UniversityVoronezhRussia
  2. 2.Voronezh State Agricultural UniversityVoronezhRussia

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