MIPdatabase
Authors: Wang JC, Xu Q, Xue XY, Zhang FF, Liang XM
Article Title: Preparation of molecularly imprinted polymer and its recognition property for phenylurea herbicides.
Publication date: 2006
Journal: Chemical Journal of Chinese Universities
Volume: 27
Issue: (7)
Page numbers: 1227-1231.
Alternative URL: http://www.cjcu.jlu.edu.cn/CN/abstract/abstract10732.shtml
Abstract: A molecularly imprinted polymer(MIP) was prepared with N-(4-isopropylphenyl)-N'-butyleneurea as a template and MAA as a functional monomer and EDMA as a cross-linker. The affinities and selectivities of the MIP for phenylurea herbicides were studied. Among the fourteen phenylurea herbicides tested, the MIP prepared shows obviously high affinities and selectivities for ten chemicals (monuron, diuron, isoproturon, fenuron, chlortoluron, difenoxuron, metoxuron, neburon, buturon and fluometurion) with dichloromethane as the mobile phase while the non-imprinted polymer shows very low affinities for all the phenylurea herbicides tested. Recognition mechanism was also discussed. The results of the experiments and Mulliken atomic charges calculated indicate that the recognition site is mainly located at the N' position of phenylurea herbicides
Template and target information: N-(4-isopropylphenyl)-N'-butyleneurea, monuron, diuron, isoproturon, fenuron, chlortoluron, difenoxuron, metoxuron, neburon, buturon, fluometurion
Author keywords: N-(4-isopropylphenyl)-N '-butyleneurea, phenylurea herbicide, molecularly imprinted polymer, Recognition
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