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Reference type: Journal
Authors: Liu X, Zhang HB, Leng X, Yang X, Zhang ZH, Nie LH
Article Title: Preparation and Adsorption Performance of Emodin Imprinted Material Based on Multi-wall Carbon Nanotubes.
Publication date: 2012
Journal: Chemistry Bulletin
Volume: 75
Issue: (1)
Page numbers: 51-57.
Alternative URL: http://en.cnki.com.cn/Article_en/CJFDTotal-HXTB201201007.htm

Abstract: A novel emodin(EM) imprinting material based on carbon nanotubes modified with silica gel(MWNT-MIPs) was successfully synthesized by using methacrylic acid(MAA) as a functional monomer and ethylene glycol dimethacrylate(EGDMA) as a crosslinker.The MWNT-MIPs were characterized by SEM and TEM.The results showed that a stable,uniform,about 40 nm thick imprinted materials layer was grafted on the surface of MWNT.At pH=8.5,the maximum adsorption with theoretical maximum adsorption capacity(Qmax) of 20.8 mg/g and good selective adsorption of emodin were obtained. As solid-phase extraction materials, under washing with 85% ethanol and eluting with the solution of 10% acetic acid in ethanol,the recovery of EM was over 85%,achieving efficient separation and enrichment of emodin from actinidia chinensis planch root.
Template and target information: emodin
Author keywords: imprinting, carbon nanotubes, Emodin, solid phase extraction


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