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Reference type: Journal
Authors: Wang YQ, Yang YY, Xu L, Zhang J
Article Title: Bisphenol A sensing based on surface molecularly imprinted, ordered mesoporous silica.
Publication date: 2011
Journal: Electrochimica Acta
Volume: 56
Issue: (5)
Page numbers: 2105-2109.
DOI: 10.1016/j.electacta.2010.11.077
Alternative URL: http://www.sciencedirect.com/science/article/B6TG0-51KK96S-7/2/83cb456c83030c425a1206ad6fe71bca

Abstract: Molecularly imprinted, ordered mesoporous silica was synthesized using bisphenol A (BPA) as the template and 3-aminopropyltriethoxysilane modified with hexagonally structured mesoporous silica (SBA-15) as the carrier. Carbon paste sensors were constructed by mixing the molecularly imprinted, ordered mesoporous silica with graphite powder and paraffin oil, and they were found to detect bisphenol A (BPA) with enhanced selectivity due to their ordered mesoporous structure and their successful molecular imprinting. The linear range for the proposed sensor was 1.000 x 10-7 mol L-1 to 5.000 x 10-4 mol L-1, and the detection limit was determined to be 3.222 x 10-8 mol L-1. Overall, the sensor detected the water samples with satisfactory results
Template and target information: bisphenol A, BPA
Author keywords: Surface molecularly imprinted, Ordered mesoporous silica, carbon paste electrode, bisphenol A


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