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Reference type: Journal
Authors: Ma J, Huang J, Zeng YB, Zhang ZL, Zhang J, Chen ZD, Li L
Article Title: Preparation of a Kind of Magnetic Molecularly Imprinted Polymer toward Sudan I and Its Application in Separation of Sudan I.
Publication date: 2013
Journal: Journal of Instrumental Analysis
Volume: 32
Issue: (6)
Page numbers: 726-731.
Alternative URL: http://fxcsxb.com/ch/reader/view_abstract.aspx?file_no=20130613&flag=1

Abstract: Novel magnetic molecularly imprinted polymers(M-MIPs) were prepared using Sudan I as template by molecularly imprinting technique.The morphology,composition and magnetic properties of magnetic nanoparticles were characterized by scanning electron microscope,infrared spectroscopy and vibrating sample magnetometer.The Scatchard analysis showed that there were two kinds of binding sites between the imprinted polymers and the template.The apparent maximum number(Qmax) of the M-MIPs were 84.59 μmol/g and 210.49 μmol/g,respectively.The relative selectivity coefficient of M MIPs toward Sudan I/Sudan II and Sudan I/Sudan III were 2.47 and 2.24,respectively,which indicated that the M-MIPs exhibited better adsorption properties and selectivity for Sudan I.The M-MIPs were applied in the separation of Sudan I in the extracting solution of paprika.The eluant after treating with the M-MIPs was determined by HPLC.The detection limit was 0.50 μg/g.The recoveries of Sudan I ranged from 78% to 103% with RSDs of 2.8%-5.8%.
Template and target information: Sudan I
Author keywords: Magnetic polymers, molecularly imprinted, Separation and enrichment, Sudan I

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