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Bitar M, Bou-Maroun E, Lerbret A, et al. Binding characteristics of molecularly imprinted polymers based on fungicides in hydroalcoholic media. J Sep Sci. 2015;38(20):3607-14doi: 10.1002/jssc.201500543.
Bitar, M., Bou-Maroun, E., Lerbret, A., Ouaini, N., & Cayot, P. (2015). Binding characteristics of molecularly imprinted polymers based on fungicides in hydroalcoholic media. Journal of separation science, 38(20), 3607-14. https://doi.org/10.1002/jssc.201500543
Bitar, Manal, et al. "Binding characteristics of molecularly imprinted polymers based on fungicides in hydroalcoholic media." Journal of separation science vol. 38,20 (2015): 3607-14. doi: https://doi.org/10.1002/jssc.201500543
Bitar M, Bou-Maroun E, Lerbret A, Ouaini N, Cayot P. Binding characteristics of molecularly imprinted polymers based on fungicides in hydroalcoholic media. J Sep Sci. 2015 Oct;38(20):3607-14. doi: 10.1002/jssc.201500543. Epub 2015 Sep 24. PMID: 26307559.
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J Sep Sci. 2015 Oct;38(20):3607-14. doi: 10.1002/jssc.201500543. Epub 2015 Sep 24.

Binding characteristics of molecularly imprinted polymers based on fungicides in hydroalcoholic media.

Journal of separation science

Manal Bitar, Elias Bou-Maroun, Adrien Lerbret, Naim Ouaini, Philippe Cayot

Affiliations

  1. Unité Procédés Alimentaires et Microbiologiques, UMR A 02.102, AgroSup Dijon, Université de Bourgogne, 1 esplanade Erasme, Dijon, France.
  2. Département des Sciences Fondamentales de la Santé, Faculté de Médecine et des Sciences Médicales, Université Saint-Esprit de Kaslik, B.P., Jounieh, Liban.

PMID: 26307559 DOI: 10.1002/jssc.201500543

Abstract

An iprodione-imprinted polymer was prepared by copolymerization of methacrylamide and ethylene glycol dimethacrylate using a noncovalent imprinting approach. Methacrylamide was chosen using molecular dynamics simulations. To concentrate iprodione from hydro-alcoholic solutions, batch sorption of iprodione on the imprinted polymer were conducted. The equilibrium time for iprodione sorption is 20 min, and the corresponding kinetic mechanism follows the pseudo-second order indicating a strong interaction between iprodione and the imprinted polymer. Langmuir, Freundlich, and Dubinin-Radushkevich models were used to fit the isotherm of iprodione sorption. The imprinted polymer was found to be more efficient than the nonimprinted polymer for the uptake of iprodione, as revealed by its higher adsorption energy, affinity, and capacity. Finally, a selectivity study was conducted on the imprinted and the nonimprinted polymers to sorb three fungicides. It shows that the imprinted polymer could be used as a preconcentration phase in a multiresidue analysis of fungicides in hydroalcoholic medium.

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: Fungicides; Molecular simulations; Molecularly imprinted polymers; Specific sorption

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