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题名: Biosensor based on polyaniline-Prussian Blue/multi-walled carbon nanotubes hybrid composites
作者: Zou, Yongjin;  Sun, Li-Xian;  Xu, Fen
关键词: glucose biosensor ;  carbon nanotubes ;  polyaniline ;  Prussian blue ;  hybrid composites
刊名: BIOSENSORS & BIOELECTRONICS
发表日期: 2007-05-15
DOI: 10.1016/j.bios.2006.10.035
卷: 22, 期:11, 页:2669-2674
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biophysics ;  Biotechnology & Applied Microbiology ;  Chemistry, Analytical ;  Electrochemistry ;  Nanoscience & Nanotechnology
研究领域[WOS]: Biophysics ;  Biotechnology & Applied Microbiology ;  Chemistry ;  Electrochemistry ;  Science & Technology - Other Topics
英文摘要: In this work, a novel route for fabrication polyaniline (PANI)-Prussian Blue (PB) hybrid composites is proposed by the spontaneous redox reaction in the FeCl3-K-3[Fe(CN)(6)] and the aniline solution. With the introduction of multi-walled carbon nanotubes (MWNTs), the PANI-PB/MWNTs system shows synergy between the PANI-PB and MWNTs which amplified the H2O2 sensitivity greatly. A linear range from 8 x 10(-8) to 1 X 10(-5) M and a high sensitivity 508.18 mu A mu M cm(2) for H2O2 detection are obtained. The composites also show good stability in neutral solution. A glucose biosensor was further constructed by immobilizing glucose oxidase (GOD) with Nation and glutaraldehyde on the electrode surface. The performance factors influencing the resulted biosensor were studied in detail. The biosensor exhibits excellent response performance to glucose with the linear range from 1 to 11 mM and a detection limit of 0.01 mM. Furthermore, the biosensor shows rapid response, high sensitivity, good reproducibility, long-term stability and freedom of interference from other co-existing electroactive species. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: GLUCOSE BIOSENSOR ;  AMPEROMETRIC BIOSENSOR ;  MODIFIED ELECTRODES ;  BLUE NANOPARTICLES ;  OXIDASE ;  ENZYME ;  SENSOR ;  LAYER ;  FILM ;  PH
语种: 英语
WOS记录号: WOS:000246382500040
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140629
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.Chinese Acad Sci, Mat & Thermochem Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Zou, Yongjin,Sun, Li-Xian,Xu, Fen. Biosensor based on polyaniline-Prussian Blue/multi-walled carbon nanotubes hybrid composites[J]. BIOSENSORS & BIOELECTRONICS,2007,22(11):2669-2674.
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