Institutional Repository of Key Laboratory of Coastal Zone Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences (KLCEP)
| Functionalized polypyrrole nanotube arrays as electrochemical biosensor for the determination of copper ions | |
Lin, Meng1,3; Hu, Xiaoke1,3 ; Ma, Zhaohu2; Chen, Lingxin1,3
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| 发表期刊 | ANALYTICA CHIMICA ACTA
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| ISSN | 0003-2670 |
| 2012-10-09 | |
| 卷号 | 746期号:.页码:63-69 |
| 关键词 | Electrochemical Biosensor Conducting Polymer Polypyrrole Nanotube Arrays Zinc Oxide Nanowire Arrays Copper Ions |
| 产权排序 | [Lin, Meng; Hu, Xiaoke; Chen, Lingxin] YICCAS, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China; [Ma, Zhaohu] Marine Environm Monitoring & Forecasting Ctr Yant, Yantai 264003, Peoples R China; [Lin, Meng; Hu, Xiaoke; Chen, Lingxin] Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China |
| 通讯作者 | Chen, LX (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc, Chunhui Rd 17, Yantai 264003, Peoples R China. |
| 作者部门 | 中科院海岸带环境过程与生态修复重点实验室 |
| 英文摘要 | A novel electrochemical biosensor based on functionalized polypyrrole (PPy) nanotube arrays modified with a tripeptide (Gly-Gly-His) proved to be highly effective for electrochemical analysis of copper ions (Cu2+). The vertically oriented PPy nanotube arrays were electropolymerized by using modified zinc oxide (ZnO) nanowire arrays as templates which were electrodeposited on indium-tin oxide (ITO) coated glass substrates. The electrodes were functionalized by appending pyrrole-alpha-carboxylic acid onto the surface of polypyrrole nanotube arrays by electrochemical polymerization. The carboxylic groups of the polymer were covalently coupled with the amine groups of the tripeptide, and its structural features were confirmed by attenuated total reflection infrared (ATR-IR) spectroscopy. The tripeptide modified PPy nanotube arrays electrode was used for the electrochemical analysis of various trace copper ions by square wave voltammetry. The electrode was found to be highly sensitive and selective to Cu2+ in the range of 0.1-30 mu M. Furthermore, the developed biosensor exhibited a high stability and reproducibility, despite the repeated use of the biosensor electrode. (C) 2012 Elsevier B.V. All rights reserved.; A novel electrochemical biosensor based on functionalized polypyrrole (PPy) nanotube arrays modified with a tripeptide (Gly-Gly-His) proved to be highly effective for electrochemical analysis of copper ions (Cu2+). The vertically oriented PPy nanotube arrays were electropolymerized by using modified zinc oxide (ZnO) nanowire arrays as templates which were electrodeposited on indium-tin oxide (ITO) coated glass substrates. The electrodes were functionalized by appending pyrrole-alpha-carboxylic acid onto the surface of polypyrrole nanotube arrays by electrochemical polymerization. The carboxylic groups of the polymer were covalently coupled with the amine groups of the tripeptide, and its structural features were confirmed by attenuated total reflection infrared (ATR-IR) spectroscopy. The tripeptide modified PPy nanotube arrays electrode was used for the electrochemical analysis of various trace copper ions by square wave voltammetry. The electrode was found to be highly sensitive and selective to Cu2+ in the range of 0.1-30 mu M. Furthermore, the developed biosensor exhibited a high stability and reproducibility, despite the repeated use of the biosensor electrode. (C) 2012 Elsevier B.V. All rights reserved. |
| 文章类型 | Article |
| 资助机构 | Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry; National Natural Science Foundation of China [21275158]; Science and Technology Development Plan of Yantai [2005124]; Innovation Projects of the Chinese Academy of Sciences [KZCX2-EW-206]; 100 Talents Program of the Chinese Academy of Sciences |
| 收录类别 | SCI |
| 语种 | 英语 |
| 关键词[WOS] | GLY-HIS TRIPEPTIDE ; CONDUCTING-POLYMER ; NANOWIRE ARRAY ; TEMPLATES ; GROWTH ; IMMOBILIZATION ; NANOMATERIALS ; POLYANILINE ; ELECTRODES ; SCAFFOLDS |
| 研究领域[WOS] | Chemistry |
| WOS记录号 | WOS:000309250800006 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.yic.ac.cn/handle/133337/5992 |
| 专题 | 中国科学院海岸带环境过程与生态修复重点实验室 海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室 |
| 作者单位 | 1.YICCAS, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China 2.Marine Environm Monitoring & Forecasting Ctr Yant, Yantai 264003, Peoples R China 3.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China |
| 推荐引用方式 GB/T 7714 | Lin, Meng,Hu, Xiaoke,Ma, Zhaohu,et al. Functionalized polypyrrole nanotube arrays as electrochemical biosensor for the determination of copper ions[J]. ANALYTICA CHIMICA ACTA,2012,746(.):63-69. |
| APA | Lin, Meng,Hu, Xiaoke,Ma, Zhaohu,&Chen, Lingxin.(2012).Functionalized polypyrrole nanotube arrays as electrochemical biosensor for the determination of copper ions.ANALYTICA CHIMICA ACTA,746(.),63-69. |
| MLA | Lin, Meng,et al."Functionalized polypyrrole nanotube arrays as electrochemical biosensor for the determination of copper ions".ANALYTICA CHIMICA ACTA 746..(2012):63-69. |
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