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Reference type: Journal
Authors: Sergeyeva TA, Gorbach LA, Slinchenko OA, Goncharova LA, Piletska OV, Brovko OO, Sergeeva LM, Elska GV
Article Title: Towards development of colorimetric test-systems for phenols detection based on computationally-designed molecularly imprinted polymer membranes.
Publication date: 2010
Journal: Materials Science and Engineering: C
Volume: 30
Issue: (3)
Page numbers: 431-436.
DOI: 10.1016/j.msec.2009.12.012
Alternative URL: http://www.sciencedirect.com/science/article/B6TXG-4Y34K4P-1/2/28a90c94129201d17664b615544b3a0e

Abstract: Colorimetric test-system for the express-control of phenols content in water was developed. The system consisted of free-standing molecularly imprinted polymer (MIP) membranes which contained synthetic binding sites capable of phenol binding. The MIP membranes were obtained by co-polymerisation of a functional monomer (e.g. itaconic acid, 2-acrylamido-2-methyl-1-propanesulfonic acid, acrylamide or methacrylic acid) with triethyleneglycoldimethacrylate and oligourethaneacrylate. Rational choice of the functional monomers was based on the results of computational modelling. The phenol-selective MIP membranes were used as a basis for the colorimetric test-system for measuring phenol in aqueous samples. Phenol molecules were selectively adsorbed by the MIP membranes and quantified using color reaction with 4-aminoantipyrine. The intensity of the membranes' staining was proportional to the phenol concentration in the analysed sample. The optimised colorimetric test-system based on MIP membranes demonstrated a low detection limit (50 nM), a wide working range -- 50 nM-0.5 mM and an excellent storage stability at room temperature (12 months). As compared to the traditional methods of phenols detection the developed test-system is superior because of simplicity of operation, small size and low cost
Template and target information: phenol, 4-chlorophenol, m-cresol, 4-nitrophenol
Author keywords: phenols, Molecularly imprinted polymers, molecularly imprinted polymer membranes, Test-systems, Environmental monitoring

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