Paper 13897

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Reference type: Journal
Authors: Arvand M, Erfanifar Z, Ardaki MS
Article Title: A New Core@Shell Silica-Coated Magnetic Molecular Imprinted Nanoparticles for Selective Detection of Sunset Yellow in Food Samples.
Publication date: 2017
Journal: Food Analytical Methods
Volume: 10
Issue: (7)
Page numbers: 2593-2606.
DOI: 10.1007/s12161-017-0803-8

Abstract: In this work, silica-coated magnetic nanoparticles were used as seed particles in the production of molecularly imprinted polymer (MIP) shells by copolymerization of ethylene glycol dimethacrylate with methacrylic acid in the presence of sunset yellow (SY) and an appropriate porogenic solvent. Thereafter, the MIP sensor was designed by covering a layer of core-shell MIP nanoparticles on a graphite-modified glassy carbon electrode (Gr/GCE). The results indicated that the MIP sensor could remarkably increase the peak current of SY and exhibited an excellent recognition capacity toward it compared with other structurally similar molecules. The detection limit of 5.5 nmol/L and two linear calibration ranges of 0.0085-1 and 1-30 μmol/L were obtained for SY determination. The proposed sensor was successfully applied for the determination of SY in several food samples without complex sample pretreatment
Template and target information: sunset yellow, SY
Author keywords: Sunset yellow Food colorants Core-shell MIP nanoparticles Surface molecular imprinting technique MIP sensor Voltammetry

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