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Reference type: Journal
Authors: Yang X, Zhang ZH, Li JX, Chen X, Zhang ML, Luo LJ, Yao SZ
Article Title: Novel molecularly imprinted polymers with carbon nanotube as matrix for selective solid-phase extraction of emodin from kiwi fruit root.
Publication date: 2014
Journal: Food Chemistry
Volume: 145
Page numbers: 687-693.
DOI: 10.1016/j.foodchem.2013.08.114
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0308814613012168

Abstract: In this paper, we present a novel surface imprinting technique for the preparation of molecularly imprinted polymers/multi-walled carbon nanotubes (MIPs/MWNTs) for extraction of emodin from kiwi fruit root. The MIPs/MWNTs were characterised by scanning electron microscopy (SEM) and Fourier transform-infrared spectroscopy (FT-IR). The properties involving adsorption dynamics, static adsorption, and selective recognition capacity were evaluated. The MIPs/MWNTs exhibited good site accessibility in which it only took 60 min to achieve adsorption equilibrium and highly selective recognition for the template emodin. Furthermore, the performance of the MIPs/MWNTs as solid phase extraction (SPE) material was investigated in detail. The proposed MIPs/MWNTs-SPE procedure for emodin exhibited satisfactory recoveries ranging from 89.2% to 93.8% for real samples. It was used for the purification and enrichment of emodin from kiwi fruit root successfully
Template and target information: emodin
Author keywords: Multi-walled carbon nanotubes, Solid-phase extraction, Molecularly imprinted polymers, Emodin, Kiwi fruit root


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