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Self-assembly of silver nanoparticles on chitosan/polyvinylpyrrolidone modified micro-needle electrode for amperometric detection of nitrate in seawater

文献类型：期刊论文

作者Wang, Jie4; Li, Ying4; Pan, Dawei1,2,3; Han, Haitao1,2,3; Zhang, Peiqing4
刊名MICROCHEMICAL JOURNAL
出版日期2021-05-01
卷号164页码:6
关键词Micro-needle electrode Silver nanoparticles Chitosan Polyvinylpyrrolidone Nitrate Seawater
ISSN号0026-265X
DOI10.1016/j.microc.2021.105965
通讯作者Han, Haitao(hthan@yic.ac.cn) ; Zhang, Peiqing(zhangpqytu@126.com)
英文摘要In this work, silver nanoparticles (AgNPs) were self-assembled on the micro-needle electrode (MNE) with the help of chitosan (CTS) and polyvinylpyrrolidone (PVP) and used for the amperometric (i-t) determination of nitrate (NO3?) in seawater samples. CTS/PVP was electrodeposited on the MNE surface to improve the conductivity and specific surface area of the MNE, and to provide reduction conditions needed for Ag+ reduction and strong binding affinity for combination of AgNPs which had excellent catalytic activity for NO3?. AgNPs were selfassembled uniformly on the surface of MNE with the diameter of about 150?400 nm. Thanks to the unique aciform structure of MNE, the outstanding adhesion ability of CTS/PVP, and the excellent electrocatalytic ability of AgNPs, the so-prepared AgNPs/CTS/PVP/MNE showed significantly improved performance and stability for the amperometric determination of NO3?. Under the optimal conditions, the AgNPs/CTS/PVP/MNE was found to have a wide linear range (5?2000 ?M) and a low limit of detection (1.2 ?M). Furthermore, the AgNPs/CTS/PVP/ MNE was successfully used for the direct determination of NO3? in coastal seawater samples with satisfactory results.
资助项目National Key R&D Program of China[2019YFD0901103] ; Original Innovation Project of Chinese Academy of Sciences[ZDBS-LY-DQC009] ; Shandong Key Laboratory of Coastal Environmental Processes, YICCAS[2019SDHADKFJJ14]
WOS研究方向Chemistry
语种英语
WOS记录号WOS:000635079200002
资助机构National Key R&D Program of China ; Original Innovation Project of Chinese Academy of Sciences ; Shandong Key Laboratory of Coastal Environmental Processes, YICCAS
源URL[http://ir.yic.ac.cn/handle/133337/27317]  
专题烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
烟台海岸带研究所_近岸生态与环境实验室
烟台海岸带研究所_山东省海岸带环境工程技术研究中心
通讯作者Han, Haitao; Zhang, Peiqing
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
3.Chinese Acad Sci, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Shandong Key Lab Coastal Environm Proc,Yantai Ins, Res Ctr Coastal Environm Engn Technol Shandong Pr, Yantai 264003, Peoples R China
4.Yantai Univ, Sch Chem & Chem Engn, Yantai 264005, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Jie,Li, Ying,Pan, Dawei,et al. Self-assembly of silver nanoparticles on chitosan/polyvinylpyrrolidone modified micro-needle electrode for amperometric detection of nitrate in seawater[J]. MICROCHEMICAL JOURNAL,2021,164:6.
APA Wang, Jie,Li, Ying,Pan, Dawei,Han, Haitao,&Zhang, Peiqing.(2021).Self-assembly of silver nanoparticles on chitosan/polyvinylpyrrolidone modified micro-needle electrode for amperometric detection of nitrate in seawater.MICROCHEMICAL JOURNAL,164,6.
MLA Wang, Jie,et al."Self-assembly of silver nanoparticles on chitosan/polyvinylpyrrolidone modified micro-needle electrode for amperometric detection of nitrate in seawater".MICROCHEMICAL JOURNAL 164(2021):6.

入库方式： OAI收割

来源：烟台海岸带研究所

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