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Reference type: Journal
Authors: Zhang Y, Tian XG, Xu XY, Liu CW, Liu WT
Article Title: Synthesis and Characterization of Magnetic-Graphene Molecularly Imprinted Polymers for Selective Recognition of Ltryptophan.
Publication date: 2017
Journal: BIO Web of Conferences
Volume: 8
Page numbers: ArticleNo03021.
DOI: 10.1051/bioconf/20170803021
Alternative URL: http://www.bio-conferences.org/articles/bioconf/abs/2017/01/bioconf_icmsb2017_03021/bioconf_icmsb2017_03021.html

Abstract: In this paper, a novel molecular imprinted polymer using L-tryptophan(L-Trp) as the template, dopamine(DA) as both functional monomer and cross linking agent, magnetic graphene as the supporting matrix was synthesized. The prepared magnetic-graphene molecularly imprinted polymers(Fe3O4@GO-MIPs) were characterized by Fourier transform infrared spectrometer(FT-IR), transmission electron microscopy (TEM), vibrating sample magnetometer (VSM), respectively. The results showed that when the molar ratio of L- tryptophan and dopamine was 1:4 and the reaction temperature was 60 C, Fe3O4@GO-MIPs had the best adsorption quantity of 31.9 mg/g. The rebinding experiments indicated that Fe3O4@GO-MIPs not only have outstanding affinity and selectivity towards L-Trp over structurally related compounds but also easily reach the magnetic separation under an external magnetic field.
Template and target information: L-tryptophan, L-Trp

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