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Reference type: Journal
Authors: Sergeyeva TA, Slinchenko OA, Brovko OO, Piletsky SA, Elska GV
Article Title: A portable sensor system for phenols detection based on molecularly-imprinted polymers with catalytic properties.
Publication date: 2009
Journal: Ukrainskii Biokhimicheskii Zhurnal
Volume: 81
Issue: (1)
Page numbers: 41-51.
Alternative URL: http://ubj.biochemistry.org.ua/index.php?content=archive&article=524

Abstract: Portable devices for the express control of the phenols content in water were developed. Polymers mimicking active site of the enzyme tyrosinase, synthesized using the method of molecular imprinting, were obtained by co-polymerization of the complex Cu (II)-catechol-urocanic acid ethyl ester with ethyleneglycoldimethacrylate. Concentration of phenols in the analyzed samples was detected using universal portable device oxymeter with the oxygen electrode in a close contact with catalytic molecularly-imprinted polymer as a transducer. The detection limit of phenols detection using the developed sensor system based on polymers-biomimics with the optimized composition comprised 0.078 mM, while the linear range of the sensor comprised 0.078-5 mM. The working characteristics of the portable sensor devices were investigated. The possibility of repeated use of the catalytic polymers-biomimics as selective elements of the developed portable sensor systems was demonstrated. Storage stability of sensor systems at room temperature was 12 months (90%). As compared to traditional methods of phenols detection the developed sensor system is characterized by operation simplicity, compactness, and low cost
Template and target information: catechol
Author keywords: Environmental monitoring, Molecularly-imprinted polymers, phenols, Polymer catalysts, Polymers-biomimics, sensor, Tyrosinase


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