A novel stainless steel needle electrode based on porous gold nanomaterials for the determination of copper in seawate | |
Han, HT; Li, Y; Pan, DW![]() | |
发表期刊 | ANALYTICAL METHODS
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ISSN | 1759-9660 |
2019-04-14 | |
卷号 | 11期号:14页码:1976-1983 |
关键词 | IN-SITU SYNTHESIS SPECIATION ANALYSIS ELECTROCHEMICAL DETERMINATION GRAPHENE OXIDE HEAVY-METALS WATER IRON IMMUNOSENSOR CONSTRUCTION SPECTROMETRY |
研究领域 | Chemistry, Analytical ; Food Science & Technology ; Spectroscopy |
DOI | 10.1039/c9ay00222g |
产权排序 | [Han, Haitao; Pan, Dawei; Wang, Chenchen; Pan, Fei; Ding, Xiaoyan] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Res Ctr Coastal Environm Engn Technol Shandong Pr, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China; [Han, Haitao; Pan, Dawei; Pan, Fei; Ding, Xiaoyan] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Li, Ying] Yantai Univ, Sch Chem & Chem Engn, Yantai 264005, Peoples R China |
通讯作者 | Pan, Dawei(dwpan@yic.ac.cn) |
作者部门 | 海岸带环境工程技术研究与发展中心 |
英文摘要 | This study describes the fabrication of a porous gold (P-Au) nanomaterial-functionalized stainless steel acupuncture needle electrode (ANE) with the help of polydopamine (PDA) nanospheres, which were partially sacrificed for the voltammetric determination of copper in seawater. The PDA nanospheres were covered on sensing part, i.e., the needle tip, by the self-polymerization method and employed as a reductant and adhesion agent for the growth of gold nanomaterials with a porous structure and improved stability. The gold nanomaterials with a porous structure were self-assembled and deposited on the ANE with the reduction of AuCl4 by PDA nanospheres, which were gradually sacrificed during this process. Moreover, there was no need to cover the protective layer additionally on the P-Au nanomaterial surface to prevent their peel off due to the strong adhesion capability of PDA. Owing to the excellent electrochemical properties of the P-Au nanomaterials and adhesion ability of the partially sacrificed PDA nanospheres, the modified ANE displayed remarkably improved performance and stability for the voltammetric determination of copper. Under optimal conditions, the linear range and detection limit of the modified ANE for copper ion determination are 0.7 nM to 1000 nM and 0.24 nM, respectively. Furthermore, the modified ANE has been successfully applied for the determination of copper in real seawater samples with satisfactory results. |
文章类型 | Article |
资助机构 | Key Research and Development Plan of Yantai City [2017ZH096] ; Key Research and Development Plan of Shandong Province [2017GHY215002] |
收录类别 | SCI |
语种 | 英语 |
关键词[WOS] | IN-SITU SYNTHESIS ; SPECIATION ANALYSIS ; ELECTROCHEMICAL DETERMINATION ; GRAPHENE OXIDE ; HEAVY-METALS ; WATER ; IRON ; IMMUNOSENSOR ; CONSTRUCTION ; SPECTROMETRY |
研究领域[WOS] | Chemistry, Analytical ; Food Science & Technology ; Spectroscopy |
WOS记录号 | WOS:000471029000017 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.yic.ac.cn/handle/133337/24959 |
专题 | 中国科学院海岸带环境过程与生态修复重点实验室_海岸带环境工程技术研究与发展中心 |
作者单位 | 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Res Ctr Coastal Environm Engn Technol Shandong Pr, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China; 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China; 3.Yantai Univ, Sch Chem & Chem Engn, Yantai 264005, Peoples R China |
推荐引用方式 GB/T 7714 | Han, HT,Li, Y,Pan, DW,et al. A novel stainless steel needle electrode based on porous gold nanomaterials for the determination of copper in seawate[J]. ANALYTICAL METHODS,2019,11(14):1976-1983. |
APA | Han, HT,Li, Y,Pan, DW,Wang, CC,Pan, F,&Ding, XY.(2019).A novel stainless steel needle electrode based on porous gold nanomaterials for the determination of copper in seawate.ANALYTICAL METHODS,11(14),1976-1983. |
MLA | Han, HT,et al."A novel stainless steel needle electrode based on porous gold nanomaterials for the determination of copper in seawate".ANALYTICAL METHODS 11.14(2019):1976-1983. |
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