A novel stainless steel needle electrode based on porous gold nanomaterials for the determination of copper in seawate
Han, HT; Li, Y; Pan, DW; Wang, CC; Pan, F; Ding, XY
发表期刊ANALYTICAL METHODS
ISSN1759-9660
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
DOI10.1039/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
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
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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