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Reference type: Journal
Authors: Yang GM, Zhao FQ
Article Title: Electrochemical sensor for dimetridazole based on novel gold nanoparticles@molecularly imprinted polymer.
Publication date: 2015
Journal: Sensors and Actuators B: Chemical
Volume: 220
Page numbers: 1017-1022.
DOI: 10.1016/j.snb.2015.06.051
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0925400515008266

Abstract: Herein, we reported a facile method for preparing gold nanoparticles@molecularly imprinted polymer (Au NPs@MIP), which was coated on mesoporous carbon (CKM-3) and porous graphene (P-r-GO) modified glassy carbon electrode to construct an electrochemical sensor for the determination of dimetridazole. Firstly, Au NP was prepared by reducing HAuCl4 with sodium citrate. Then, an ionic liquid (IL, i.e. 3-propyl-1-vinylimidazolium bromide) was added into Au NP solution to achieve Au NPs@IL by self-assembling. In succession, the Au NPs@IL was used as monomer to synthesize Au NPs@MIP. After that, the resultant Au NPs@MIP was coated on CKM-3 and P-r-GO modified electrode. Experimental conditions were carefully optimized for this assay strategy. In this case, the electrochemical sensor presented good response for dimetridazole, and its linear ranges were 2.0 x 10-9 to 2.5 x 10-7 mol L-1 and 2.5 x 10-7 to 3.0 x 10-6 mol L-1, and its detection limit was 5.0 x 10-10 mol L-1. The electrochemical sensor was applied to determine dimetridazole in food samples with satisfactory results
Template and target information: dimetridazole
Author keywords: molecularly imprinted polymer, Au nanoparticles, Dimetridazole, Mesoporous carbon, Porous graphene, Ionic liquid

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