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题名: Strong coupled palladium nanoparticles decorated on magnetic graphene nanosheets as enhanced peroxidase mimetics for colorimetric detection of H2O2
作者: Li, SL; Li, H; Chen, FJ; Liu, J; Zhang, HL(张浩力); Yang, ZY(杨正银); Wang, BD(汪宝堆)
收录类别: SCIE ; EI
出版日期: 2016-02
刊名: DYES AND PIGMENTS
卷号: 125, 页码:64-71
英文摘要: Herein Pd/Fe3O4-PEI-RGO nanohybrid was synthesized by dispersion of Pd NPs and Fe3O4 NPs on PEI modified graphene oxide sheets. This nanohybrid was found to possess superior peroxidase-like activity, and could efficiently oxidize 3,3',5,5'-Tetramethylbenzidine (TMB) by hydrogen peroxide (H2O2) to produce a color reaction. Therefore, this provides a sensing platform for the colorimetric detection of H2O2 in solution. The linear range for H2O2 was from 0.5 to 150 mu M and the limit of detection was as low as 0.1 mu M. Moreover, the nanohybrids have the advantages of facile preservation and rapid separation. More importantly, comparing with the other catalysts (PEI-RGO, Fe3O4-PEI-RGO and Pd-PEI-RGO), this nanohybrid exhibits the enhanced peroxidase catalytic activity. Thus, it is expected that this nanohybrid could conveniently and efficiently detect H2O2 in the pharmaceutical, environmental and industrial fields. (C) 2015 Elsevier Ltd. All rights reserved.
关键词: Palladium nanoparticles ; Reduced grapheme oxide ; Peroxidase mimetics ; Colorimetric sensor ; H2O2 ; TMB
作者部门: [Li, Siliang ; Chen, Fengjuan ; Liu, Jian ; Zhang, Haoli ; Yang, Zhengyin ; Wang, Baodui] Lanzhou Univ Gansu, Key Lab Nonferrous Met Chem & Resources Utilizat, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China ; [Li, Siliang ; Chen, Fengjuan ; Liu, Jian ; Zhang, Haoli ; Yang, Zhengyin ; Wang, Baodui] Lanzhou Univ Gansu, Key Lab Special Funct Mat & Struct Design, Minist Educ, Lanzhou, Peoples R China ; [Li, Siliang] Lanzhou Univ Technol, Sch Petrochem Engn, Lanzhou 730050, Peoples R China ; [Li, Hua] Lanzhou Univ, Minist Educ, Key Lab Magnetism & Magnet Mat, Lanzhou 730000, Peoples R China
通讯作者: Wang, BD (reprint author), Lanzhou Univ Gansu, Key Lab Nonferrous Met Chem & Resources Utilizat, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China.
学科分类: Chemistry; Engineering; Materials Science
文章类型: Article
所属项目编号: National Natural Science Foundation of China [21271093, 81171337, 21431002] ; National Basic Research Program of China (973 Program) [2012CB933102] ; Program for New Century Excellent Talents in University [NCET-13-0262] ; Fundamental Research Funds for Central Universities [lzujbky-2014-k06] ; Basic Scientific Research Business Expenses of Central University Open Project of Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University [LZUMMM2014014]
所属项目名称: 国家自然科学基金项目 ; 国家重点基础研究发展计划以及国家重大科学研究计划(973计划) ; 新世纪优秀人才支持计划 ; 中央高校基本科研业务费专项资金
项目资助者: NSFC ; MOST ; MOE ; LZU
语种: 英语
DOI: 10.1016/j.dyepig.2015.10.009
ISSN号: 0143-7208
WOS记录号: WOS:000367777100008
EI记录号: 20154501519307
IR记录号: WOS:000367777100008
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/180325
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Li, SL,Li, H,Chen, FJ,et al. Strong coupled palladium nanoparticles decorated on magnetic graphene nanosheets as enhanced peroxidase mimetics for colorimetric detection of H2O2[J]. DYES AND PIGMENTS,2016,125:64-71.
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