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兰州大学机构库  > 化学化工学院  > 期刊论文
题名: Preparation of graphene nano-sheet bonded PDA/MOF microcapsules with immobilized glucose oxidase as a mimetic multi-enzyme system for electrochemical sensing of glucose
作者: Wang, Y; Hou, C; Zhang, Y; He, F; Liu, MZ(柳明珠); Li, XL
收录类别: SCIE ; EI
出版日期: 2016-06-07
刊名: JOURNAL OF MATERIALS CHEMISTRY B
卷号: 4, 期号:21, 页码:3695-3702
出版者: ROYAL SOC CHEMISTRY
出版地: CAMBRIDGE
英文摘要: A novel amperometric biosensor for glucose detection was fabricated based on a mimetic multi-enzyme system by combing mimetic enzymes (metal organic frameworks, MOFs) and glucose oxidase (GOx). The microcapsule constructed with polydopamine (PDA) and ZIF-8 using CaCO3 templates could be utilized not only to provide the biocompatible and non-toxic microenvironment to immobilize GOx, but also as an efficient mimetic enzyme because of the peroxidase-like properties of ZIF-8. The graphene nano-sheets (rGO) were bonded to the PDA/ZIF-8 microcapsules to "accelerate the electron transfer between the microcapsule and the electrode, and the resulted PDA/ZIF-8@rGO showed excellent electro-catalytic activity towards H2O2. The mimetic multi-enzyme system was fabricated when GOx was immobilized in the as-prepared microcapsule, and the developed GOx/PDA/ZIF-8@rGO/GCE biosensor exhibited extraordinary electro-detection performance for glucose with two wide linear ranges from 1 mu M to 1.2 mM and 1.2 mM to 3.6 mM, and the limit of detection was 0.333 mu M (S/N = 3). Moreover, the good selectivity for glucose and satisfactory detection results in real samples of the prepared biosensor were also demonstrated.
作者部门: [Wang, Yang ; Hou, Chen ; Zhang, Yun ; He, Fu ; Liu, Mingzhu ; Li, Xiaoli] Lanzhou Univ, Coll Earth & Environm Sci,Gansu Key Lab Environm, Inst Biochem Engn & Environm Technol,Coll Resourc, Coll Chem & Chem Engn,State Key Lab Appl Organ Ch, Lanzhou 730000, Peoples R China
通讯作者: Zhang, Y ; Liu, MZ (reprint author), Lanzhou Univ, Coll Earth & Environm Sci,Gansu Key Lab Environm, Inst Biochem Engn & Environm Technol,Coll Resourc, Coll Chem & Chem Engn,State Key Lab Appl Organ Ch, Lanzhou 730000, Peoples R China.
学科分类: Materials Science
文章类型: Article
所属项目编号: National Natural Science Foundation of China [21304040, 21407071] ; Natural Science Foundation of Gansu Province [1308RJYA027] ; Chinese Postdoctoral Funds [2013M532090] ; Fundamental Research Funds for the Central Universities [lzujbky-2014-123]
所属项目名称: 国家自然科学基金项目 ; 中国博士后科学基金 ; 中央高校基本科研业务费专项资金 ; 甘肃省青年科技基金计划
项目资助者: NSFC ; CPSF ; LZU ; GSSTD
语种: 英语
DOI: 10.1039/c6tb00276e
ISSN号: 2050-750X
WOS记录号: WOS:000378102600008
EI记录号: 20162302459150
IR记录号: WOS:000378102600008
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/180477
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Wang, Y,Hou, C,Zhang, Y,et al. Preparation of graphene nano-sheet bonded PDA/MOF microcapsules with immobilized glucose oxidase as a mimetic multi-enzyme system for electrochemical sensing of glucose[J]. JOURNAL OF MATERIALS CHEMISTRY B,2016,4(21):3695-3702.
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