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Reference type: Journal
Authors: Yao QZ, Zhou YM
Article Title: Surface Functional Imprinting of Bensulfuron-methyl at Surface of Silica Nanoparticles Linked by Silane Coupling Agent.
Publication date: 2009
Journal: Journal of Inorganic and Organometallic Polymers and Materials
Volume: 19
Issue: (2)
Page numbers: 215-222.
DOI: 10.1007/s10904-009-9253-0

Abstract: Abstract: This article presents work on designing surface-imprinted core-shell nanoparticles via non-covalent interactions using bensulfuron-methyl (BSM) as the template and methacrylic acid as the functional monomer. About 3-(Trimethoxysilyl) propylmethacrylate (KH-570) functionalized SiO2 nanoparticles were produced by sonochemical reaction. The grafting copolymerization of methacrylic acid and ethylene glycol dimethacrylate at the surface of KH-570 functionalized SiO2 nanoparticles and in the presence of BSM as the template led to the formation of surface-imprinted core-shell nanoparticles. The core-shell nanoparticles were characterized, and their capacity to rebind BSM was analyzed. Results showed that the surface-imprinted core-shell nanoparticles binded the original template BSM with an appreciable selectivity over structurally related compounds. Compared to traditional imprinted particles, the density of effective imprinted sites in the nanoshells has been increased by four folds
Template and target information: bensulfuron-methyl, BSM
Author keywords: molecular imprinting, polymers, Core-shell nanoparticle, Bensulfuron-methyl


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