A glassy carbon electrode modified with a nanocomposite consisting of MoS2 and reduced graphene oxide for electrochemical simultaneous determination of ascorbic acid, dopamine, and uric acid
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作者:
Liwen Xing
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机构:Capital Normal University,Department of Chemistry
Liwen Xing
Zhanfang Ma
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机构:Capital Normal University,Department of Chemistry
Zhanfang Ma
机构:
[1] Capital Normal University,Department of Chemistry
We describe the synthesis of a hybrid nanocomposite consisting of MoS2 and reduced graphene oxide (MoS2/rGO) by a one-pot hydrothermal process, and the use of the material in an amperometric sensor. Scanning electron microscopy and nitrogen adsorption-desorption tests revealed that the nanocomposite possesses a porous and flower-like structure and a large specific surface. Cyclic voltammetry and differential pulse voltammetry demonstrated the nanocomposite to perform excellently in the electrochemical oxidation of ascorbic acid (AA), dopamine (DA), and uric acid (UA), respectively. The oxidation potentials are well separated (oxidation peaks at −64, 168 and 320 mV vs. Ag/AgCl) for AA, DA, and UA, and the respective detection sensitivities are strongly enhanced (0.12, 4.11 and 1.59 μA μM−1 cm−2). The sensor was applied to the detection of the three species in spiked human serum samples where it gave recoveries ranging from 98.9 to 104.1 % (for n = 3).
机构:Wuhan Institute of Technology,Hubei Key Laboratory of Plasma Chemical and Advanced Materials, Key Laboratory for Green Chemical Process of Ministry of Education, School of Materials Science and Engineering
Qiwen Guo
Siyuan Liu
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机构:Wuhan Institute of Technology,Hubei Key Laboratory of Plasma Chemical and Advanced Materials, Key Laboratory for Green Chemical Process of Ministry of Education, School of Materials Science and Engineering
Siyuan Liu
Xinpeng Men
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机构:Wuhan Institute of Technology,Hubei Key Laboratory of Plasma Chemical and Advanced Materials, Key Laboratory for Green Chemical Process of Ministry of Education, School of Materials Science and Engineering
Xinpeng Men
Zhe Chen
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机构:Wuhan Institute of Technology,Hubei Key Laboratory of Plasma Chemical and Advanced Materials, Key Laboratory for Green Chemical Process of Ministry of Education, School of Materials Science and Engineering
Zhe Chen
Lei Yao
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机构:Wuhan Institute of Technology,Hubei Key Laboratory of Plasma Chemical and Advanced Materials, Key Laboratory for Green Chemical Process of Ministry of Education, School of Materials Science and Engineering
Lei Yao
Geming Wang
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机构:Wuhan Institute of Technology,Hubei Key Laboratory of Plasma Chemical and Advanced Materials, Key Laboratory for Green Chemical Process of Ministry of Education, School of Materials Science and Engineering
Geming Wang
Hongyang Zhao
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机构:Wuhan Institute of Technology,Hubei Key Laboratory of Plasma Chemical and Advanced Materials, Key Laboratory for Green Chemical Process of Ministry of Education, School of Materials Science and Engineering
Hongyang Zhao
Zhidong Lin
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机构:Wuhan Institute of Technology,Hubei Key Laboratory of Plasma Chemical and Advanced Materials, Key Laboratory for Green Chemical Process of Ministry of Education, School of Materials Science and Engineering
Zhidong Lin
Qian Wu
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机构:Wuhan Institute of Technology,Hubei Key Laboratory of Plasma Chemical and Advanced Materials, Key Laboratory for Green Chemical Process of Ministry of Education, School of Materials Science and Engineering
Qian Wu
Journal of Materials Science: Materials in Electronics,
2022,
33
: 23566
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23579
机构:
Islamic Azad Univ, Shoushtar Branch, Young Researchers Club, Shoushtar, IranIslamic Azad Univ, Shoushtar Branch, Young Researchers Club, Shoushtar, Iran
Afrasiabi, Mohammad
Kianipour, Shokat
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机构:
Islamic Azad Univ, Shoushtar Branch, Young Researchers Club, Shoushtar, IranIslamic Azad Univ, Shoushtar Branch, Young Researchers Club, Shoushtar, Iran
Kianipour, Shokat
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Babaei, Ali
Nasimi, Ali Asghar
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Islamic Azad Univ, Fac Sci, Dept Phys, Shoushtar, IranIslamic Azad Univ, Shoushtar Branch, Young Researchers Club, Shoushtar, Iran
Nasimi, Ali Asghar
Shabanian, Meisam
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机构:
Islamic Azad Univ, Dept Chem, Farahan Branch, Shoushtar, IranIslamic Azad Univ, Shoushtar Branch, Young Researchers Club, Shoushtar, Iran