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Reference type: Journal
Authors: Congur G, Senay H, Turkcan C, Canavar E, Erdem A, Akgol S
Article Title: Estrone Specific Molecularly Imprinted Polymeric Nanospheres: Synthesis, Characterization and Applications for Electrochemical Sensor Development.
Publication date: 2013
Journal: Combinatorial Chemistry & High Throughput Screening
Volume: 16
Issue: (7)
Page numbers: 503-510.
DOI: 10.2174/13862073113169990042
Alternative URL: http://www.eurekaselect.com/112401/article

Abstract: The aim of this study is (i) to prepare estrone-imprinted nanospheres (nano-EST-MIPs) and (ii) to integrate them into the electrochemical sensor as a recognition layer. N-methacryloyl-(l)-phenylalanine (MAPA) was chosen as the complexing monomer. Firstly, estrone (EST) was complexed with MAPA and the EST-imprinted poly(2-hyroxyethylmethacrylate-co-N-methacryloyl-(l)-phenylalanine) [EST-imprinted poly(HEMA–MAPA)] nanospheres were synthesized by surfactant- free emulsion polymerization method. The specific surface area of the EST-imprinted poly(HEMA–MAPA) nanospheres was found to be 1275 m2/g with a size of 163.2 nm in diameter. According to the elemental analysis results, the nanospheres contained 95.3 mmole MAPA/g nanosphere. The application of EST specific MIP nanospheres for the development of an electrochemical biosensor was introduced for the first time in our study by using electrochemical impedance spectroscopy (EIS) technique. This nano-MIP based sensor presented a great specificity and selectivity for EST.
Template and target information: estrone, EST
Author keywords: electrochemical impedance spectroscopy, Electrochemical sensor, Estrone, HEMA-MAPA, molecularly imprinted polymer

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