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Using poly(m-aminobenzenesulfonic acid)-reduced MoS2 nanocomposite synergistic electrocatalysis for determination of dopamine
Yang, Tao1; Chen, Huaiyin1,2,3; Jing, Cuijie1; Luo, Shizhong1; Li, Weihua2; Jiao, Kui1
2017-10-01
Source PublicationSENSORS AND ACTUATORS B-CHEMICAL
Volume249Pages:451-457
SubtypeArticle
AbstractPoly(m-aminobenzenesulfonic acid)-reduced MoS2 (PABSA-rMoS(2)) nanocomposites were prepared based on pre-obtained thin-layered MoS2 by pulse potentiostatic method (PPM). The thin-layered MoS2 as a scaffold was beneficial to the growth of PABSA because of its large and flat surface and the adsorption with m-ABSA. Using PPM, accompanied with the oxidative polymerization of m-ABSA at anodic potential, thin-layered MoS2 nanosheets were partly reduced at cathodic potential. The obtained PABSA-rMoS(2) nanocomposites possessed large surface area, rich conjugated structure and negative charges that can easily adsorb positively charged aromatic compounds. As a model molecule, dopamine (DA) was chosen for studying the electrocatalytic property of PABSA-rMoS(2) modified electrode. Experimental results showed that the electrochemical platform exhibited synergistic electrocatalytic activity for DA oxidation. Differential pulse voltammetry technique was applied for the trace detection of DA. Good linear relationship between DA concentration and peak current was displayed in the concentration range of 1-50 mu mol L-1 with a low detection limit of 0.22 mu mol L-1. It also displayed good selectivity, reproducibility and stability, and can be used in real sample analysis. (C) 2017 Elsevier B.V. All rights reserved.
KeywordMos2 Poly(M-aminobenzenesulfonic Acid) Dopamine Pulse Potentiostatic Method Electrochemical Detection
DOI10.1016/j.snb.2017.04.078
Indexed BySCI
Language英语
WOS IDWOS:000403031500052
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/137113
Collection海洋腐蚀与防护研究发展中心
Affiliation1.Qingdao Univ Sci & Technol, Coll Chem & Mol Engn, Shandong Prov Key Lab Biochem Anal, Key Lab Sensor Anal Tumor Marker,Educ Minist, Qingdao 266042, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
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GB/T 7714
Yang, Tao,Chen, Huaiyin,Jing, Cuijie,et al. Using poly(m-aminobenzenesulfonic acid)-reduced MoS2 nanocomposite synergistic electrocatalysis for determination of dopamine[J]. SENSORS AND ACTUATORS B-CHEMICAL,2017,249:451-457.
APA Yang, Tao,Chen, Huaiyin,Jing, Cuijie,Luo, Shizhong,Li, Weihua,&Jiao, Kui.(2017).Using poly(m-aminobenzenesulfonic acid)-reduced MoS2 nanocomposite synergistic electrocatalysis for determination of dopamine.SENSORS AND ACTUATORS B-CHEMICAL,249,451-457.
MLA Yang, Tao,et al."Using poly(m-aminobenzenesulfonic acid)-reduced MoS2 nanocomposite synergistic electrocatalysis for determination of dopamine".SENSORS AND ACTUATORS B-CHEMICAL 249(2017):451-457.
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