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Int. J. Mol. Sci. 2008, 9(1), 98-106; doi:10.3390/ijms9010098
Article

Synthesis and Characterization of Molecularly Imprinted Polymers for Phenoxyacetic Acids

1, 2, 3, 3 and 1,*
1 Department of Applied Chemistry, College of Science, P.R. China Agricultural University, Beijing 100094, P.R. China 2 College of Chemistry, Beijing Normal University, Beijing 100085, P.R.China 3 Institute for the Control of Agrochemicals, Ministry of Agriculture, P.R. China
* Author to whom correspondence should be addressed.
Received: 13 February 2007 / Revised: 15 November 2007 / Accepted: 29 November 2007 / Published: 25 January 2008
(This article belongs to the Section Molecular Recognition)
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Abstract

2-methylphenoxyacetic acid (2-MPA), 2-methyl-4-chlorophenxyacetic acid (MCPA) and 4-chlorophenoxyacetic acid (4-CPA) were imprinted to investigate the cross-selectivities of molecularly imprinted polymers (MIPs). The result indicates that 2-MPA, which is similar in shape, size and functionality with phenoxyacetic herbicides, are suitable to be used as a suitable template to prepare the MIPs for retaining phenoxyacetic herbicides. To study the ion-pair interactions between template molecules and functional monomer 4-vinylpiridine (4-VP), computational molecular modeling was employed. The data indicate that the cross-selectivities of MIPs for phenoxyacetic acid herbicides depend on the binding energies of complexes.
Keywords: molecularly imprinted polymers; 2-methylphenoxyacetic acid (2-MPA); phenoxyacetic herbicides; molecular modeling molecularly imprinted polymers; 2-methylphenoxyacetic acid (2-MPA); phenoxyacetic herbicides; molecular modeling
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Zhang, H.; Song, T.; Zong, F.; Chen, T.; Pan, C. Synthesis and Characterization of Molecularly Imprinted Polymers for Phenoxyacetic Acids. Int. J. Mol. Sci. 2008, 9, 98-106.

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