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Reference type: Journal
Authors: Liu JZ, Wang WZ, Xie YF, Huang YY, Liu YL, Liu XJ, Zhao R, Liu GQ, Chen Y
Article Title: A novel polychloromethylstyrene coated superparamagnetic surface molecularly imprinted core-shell nanoparticle for bisphenol A.
Publication date: 2011
Journal: Journal of Materials Chemistry
Volume: 21
Issue: (25)
Page numbers: 9232-9238.
DOI: 10.1039/C1JM10227C

Abstract: The superparamagnetic surface molecularly imprinted Fe3O4@MIP nanoparticles for bisphenol A (BPA) were prepared via surface initiated atom transfer radical polymerization (si-ATRP). The Fe3O4 core was compactly encapsulated with a polychloromethylstyrene (PCMS) layer via mini-emulsion polymerization. Fe3O4@MIP exhibited superparamagnetic property with saturation magnetization of 25.2 emu g-1. The BPA imprinted Fe3O4@MIP revealed specific selectivity and high affinity to the template BPA over structural analogues. Moreover, the surface-imprinted MIP nanoparticles showed good site accessibility for BPA. The compactly PCMS-coated Fe3O4@MIP maintained its response ability to a magnetic field at acidic and alkaline conditions. Fe3O4@MIP was used to determine BPA in tap water samples with good accuracy and precision
Template and target information: bisphenol A, BPA

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