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Reference type: Journal
Authors: Shi HG, Wang RY, Yang JX, Ren HQ, Liu SA, Guo TY
Article Title: Novel imprinted nanocapsule with highly enhanced hydrolytic activity for organophosphorus pesticide degradation and elimination.
Publication date: 2015
Journal: European Polymer Journal
Volume: 72
Page numbers: 190-201.
DOI: 10.1016/j.eurpolymj.2015.09.016
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0014305715004826

Abstract: The removal of organophosphorus pesticide residues is of great importance to environment treatment nowadays. In this work, we designed a novel imprinted hollow nanocapsule which could effectively eliminate organophosphorus pesticide residues remained in water environment. The shell of the methyl parathion imprinted nanocapsule was prepared based on a multi-pyridine-ligand functional monomer, N-(4-vinylbenzyl)-di(2-picolyl)amine. The obtained nanocapsule showed a high catalytic efficiency towards methyl parathion, with an initial hydrolysis rate of 3.1 x 10-2 mM/h, 355-fold relative to the self-hydrolysis of methyl parathion. And a low Km value, 0.6 mM, was observed, indicating a good affinity of functional ligand on the nanocapsule towards methyl parathion. Additionally, the obtained hollow nanocapsule could further remove p-nitrophenol generated in the catalytic degradation system, another hazardous substance, by enriching part of p-nitrophenol in its central cavity
Template and target information: methyl parathion
Author keywords: Pesticide degradation, molecular imprinting, Nanocapsule, Methyl parathion, p-nitrophenol


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