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Reference type: Journal
Authors: Zhao C, Yu B, Chen ZX, Jin GP
Article Title: Preparation of Electrochemical Sensor Modified by Molecularly Imprinted Nano-porous Film for Melamine Determination.
Publication date: 2012
Journal: Food Science
Volume: 33
Issue: (4)
Page numbers: 214-218.
DOI: 10.7506/spkx1002-6630-201204045
Alternative URL: http://www.spkx.net.cn/EN/abstract/abstract41002.shtml

Abstract: A molecularly imprinted nano-porous film for melamine adsorption was electrochemically generated in situ on a paraffin-impregnated graphite electrode with a melamine/chitosan/nano-silver/polyquercetin complex. The film displayed a 3D network structure as characterized using field emission scanning electron microscopy, X-ray photoelectron spectroscopy, infrared spectroscopy and electrochemical techniques. The modified electrode exhibited a highly selective enrichment for melamine. Oxidation peak current and melamine concentration in the range of 1 x 10-7 - 1 x 10-5 mol/L showed an excellent linear relationship. The detection limit of the method was 1 x 10-8 mol/L (3σ). The modified electrode had excellent anti-interference performance and allowed the determination of melamine in milk.
Template and target information: melamine
Author keywords: Molecularly imprinted nano-porous film, sensor, electrochemistry, Melamine


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