Preparation of Molecularly Imprinted Polymer and Its Recognition  Property for  Phenylurea Herbicides

Chem. J. Chinese Universities

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^{Preparation of Molecularly Imprinted Polymer and Its Recognition Property for Phenylurea Herbicides}

WANG Jin-Cheng^1,2; XU Qing¹; XUE Xing-Ya¹; ZHANG Fei-Fang¹; LIANG
Xin-Miao^1*

1. Dalian Institute of Chemical Physics, Chinese Academy of Sciences,
Dalian 116023, China;
2. Graduate School of the Chinese Academy of Sciences, Beijing 100039,
China

Received:2005-09-13 Revised:1900-01-01 Online:2006-07-10 Published:2006-07-10
Contact: LIANG Xin-Miao

Abstract

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 fluometuron) 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.

Key words: N-(4-Isopropylphenyl)-N′-butyleneurea, Phenylurea herbicide, Molecularly imprinted polymer, Recognition

CLC Number:

O657

TrendMD:

WANG Jin-Cheng^1,2; XU Qing¹; XUE Xing-Ya¹; ZHANG Fei-Fang¹; LIANG
Xin-Miao^1*.

^{Preparation of Molecularly Imprinted Polymer and Its Recognition Property for Phenylurea Herbicides}

[J]. Chem. J. Chinese Universities, doi: .

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^{Preparation of Molecularly Imprinted Polymer and Its Recognition Property for Phenylurea Herbicides}

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