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Reference type: Journal
Authors: Liu YL, Huang YY, Liu JZ, Wang WZ, Liu GQ, Zhao R
Article Title: Superparamagnetic surface molecularly imprinted nanoparticles for water-soluble pefloxacin mesylate prepared via surface initiated atom transfer radical polymerization and its application in egg sample analysis.
Publication date: 2012
Journal: Journal of Chromatography A
Volume: 1246
Issue: (1)
Page numbers: 15-21.
DOI: 10.1016/j.chroma.2012.01.045
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0021967312001562

Abstract: The novel superparamagnetic surface molecularly imprinted Fe3O4@MIP nanoparticles for water-soluble pefloxacin mesylate (PEF-M) were prepared via surface initiated atom transfer radical polymerization (si-ATRP). The binary mixture of methanol and water was selected as the polar solvents for fabricating PEF-M imprinted MIPs. The Fe3O4@MIP exhibited high saturation magnetization of 41.4 emu/g leading to the fast separation. The adsorption behaviors indicated that the Fe3O4@MIP nanoparticles possessed specific recognition and high affinity towards template PEF-M in aqueous media. Moreover, Fe3O4@MIP nanoparticles were directly used to selectively enrich PEF-M from egg samples. By RP-HPLC analysis, the recoveries of PEF-M were obtained as 92.8Gă˘96.5% with relative standard division of 2.4 - 4.0%
Template and target information: pefloxacin mesylate, PEF-M
Author keywords: surface molecularly imprinted polymer, Atom transfer radical polymerization, magnetic nanoparticles, Pefloxacin mesylate, Egg sample

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