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学科主题: 物理化学
题名: Preparation and characterisation of core-shell CNTs@MIPs nanocomposites and selective removal of estrone from water samples
作者: Gao, Ruixia1;  Su, Xiaoqian1;  He, Xiwen1;  Chen, Langxing1;  Zhang, Yukui1, 2
通讯作者: 陈朗星 ;  张玉奎
关键词: Nanocomposites ;  Carbon nanotubes ;  Molecularly imprinted polymers ;  Core-shell structure ;  Estrone
刊名: TALANTA
发表日期: 2011-01-15
DOI: 10.1016/j.talanta.2010.10.034
卷: 83, 期:3, 页:757-764
收录类别: SCI
文章类型: Article
部门归属: 18
项目归属: 1810
产权排名: 2,5
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
摘要: Preparation and characterisation of core-shell CNTs@MIPs nanocomposites and selective removal of estrone from water samples
研究领域[WOS]: Chemistry
英文摘要: This paper reports the preparation of carbon nanotubes (CNTs) functionalized with molecularly imprinted polymers (MIPs) for advanced removal of estrone. CNTs@Est-MIPs nanocomposites with a well-defined core-shell structure were obtained using a semi-covalent imprinting strategy, which employed a thermally reversible covalent bond at the surface of silica-coated CNTs for a large-scale production. The morphology and structure of the products were characterised by transmission electron microscopy and Fourier transform infrared spectroscopy. The adsorption properties were demonstrated by equilibrium rebinding experiments and Scatchard analysis. The results demonstrate that the imprinted nanocomposites possess favourable selectivity, high capacity and fast kinetics for template molecule uptake, yielding an adsorption capacity of 113.5 mu mol/g. The synthetic process is quite simple, and the different batches of synthesized CNTs@Est-MIPs nanocomposites showed good reproducibility in template binding. The feasibility of removing estrogenic compounds from environmental water using the CNTs@Est-MIPs nanocomposites was demonstrated using water samples spiked with estrone. (C) 2010 Elsevier B.V. All rights reserved.
关键词[WOS]: MOLECULARLY IMPRINTED POLYMERS ;  SOLID-PHASE EXTRACTION ;  MULTIWALLED CARBON NANOTUBES ;  LIQUID-CHROMATOGRAPHY ;  BOVINE HEMOGLOBIN ;  WASTE-WATER ;  SILICA ;  RECOGNITION ;  NANOPARTICLES ;  COMPOSITES
语种: 英语
WOS记录号: WOS:000286549900010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115329
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Nankai Univ, Dept Chem, Tianjin 300071, Nankai, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116011, Peoples R China

Recommended Citation:
Gao, Ruixia,Su, Xiaoqian,He, Xiwen,et al. Preparation and characterisation of core-shell CNTs@MIPs nanocomposites and selective removal of estrone from water samples[J]. TALANTA,2011,83(3):757-764.
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