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Díaz-Álvarez M, Smith SP, Spivak DA, et al. Preparation of molecularly imprinted polymeric fibers using a single bifunctional monomer for the solid-phase microextraction of parabens from environmental solid samples. J Sep Sci. 2015;39(3):552-8doi: 10.1002/jssc.201500967.
Díaz-Álvarez, M., Smith, S. P., Spivak, D. A., & Martín-Esteban, A. (2016). Preparation of molecularly imprinted polymeric fibers using a single bifunctional monomer for the solid-phase microextraction of parabens from environmental solid samples. Journal of separation science, 39(3), 552-8. https://doi.org/10.1002/jssc.201500967
Díaz-Álvarez, Myriam, et al. "Preparation of molecularly imprinted polymeric fibers using a single bifunctional monomer for the solid-phase microextraction of parabens from environmental solid samples." Journal of separation science vol. 39,3 (2016): 552-8. doi: https://doi.org/10.1002/jssc.201500967
Díaz-Álvarez M, Smith SP, Spivak DA, Martín-Esteban A. Preparation of molecularly imprinted polymeric fibers using a single bifunctional monomer for the solid-phase microextraction of parabens from environmental solid samples. J Sep Sci. 2016 Feb;39(3):552-8. doi: 10.1002/jssc.201500967. Epub 2015 Dec 15. PMID: 26582435.
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J Sep Sci. 2016 Feb;39(3):552-8. doi: 10.1002/jssc.201500967. Epub 2015 Dec 15.

Preparation of molecularly imprinted polymeric fibers using a single bifunctional monomer for the solid-phase microextraction of parabens from environmental solid samples.

Journal of separation science

Myriam Díaz-Álvarez, Stephen P Smith, David A Spivak, Antonio Martín-Esteban

Affiliations

  1. Departamento de Medio Ambiente, INIA, Madrid, Spain.
  2. Department of Chemistry, Louisiana State University, Baton Rouge, LA, USA.

PMID: 26582435 DOI: 10.1002/jssc.201500967

Abstract

In this study, molecularly imprinted polymer fibers for solid-phase microextraction have been prepared with a single bifunctional monomer, N,O-bismethacryloyl ethanolamine using the so-called "one monomer molecularly imprinted polymers" method, replacing the conventional combination of functional monomer and cross-linker to form high fidelity binding sites. For comparison, imprinted fibers were prepared following the conventional approach based on ethylene glycol dimethacrylate as cross-linker and methacrylic acid as monomer. The recognition performance of the new fibers was evaluated in the solid-phase microextraction of parabens, and from this study it was concluded that they provided superior performance over conventionally formulated fibers. Ultimately, real-world environmental testing on spiked solid samples was successful by the molecularly imprinted solid-phase microextraction of samples, and the relative recoveries obtained at enrichment levels of 10 ng/g of parabens were within 78-109% for soil and 83-109% for sediments with a relative standard deviation <15% (n = 3).

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

Keywords: Environmental solid samples; Molecularly imprinted fibers; Parabens; Solid-phase microextraction

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