| Poly(3,4-ethylenedioxythiophene)-modified Ni/silicon microchannel plate electrode for the simultaneous determination of ascorbic acid, dopamine and uric acid. | |
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MedLine Citation:
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PMID: 23282767 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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A Ni/silicon microchannel plate (Ni/Si MCP) electrode modified with poly(3,4-ethylenedioxythiophene) (PEDOT) was successfully fabricated. The analytical performance of prepared electrode for the simultaneous determination of ascorbic acid (AA), dopamine (DA) and uric acid (UA) was investigated by using cyclic voltammetry and differential pulse voltammetry (DPV). The sensitivities for AA, DA and UA obtained by DPV are 5.39 A m(-2) mM(-1), 0.054 A m(-2) μM(-1) and 0.022 A m(-2) μM(-1), respectively. The calculated detection limits were 10 μM (AA), 1.5 μM (DA) and 2.7 μM (UA). The prepared electrode was successfully applied to the detection of AA, DA and UA in urine samples. The experiments illustrate that Ni/Si MCP is a good electrode material which provides a large surface-to-volume ratio and enhances the selectivity and sensitivity. |
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Authors:
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Shiji Yu; Chunhua Luo; Lianwei Wang; Hui Peng; Ziqiang Zhu |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-3 |
Journal Detail:
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Title: The Analyst Volume: - ISSN: 1364-5528 ISO Abbreviation: Analyst Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-3 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0372652 Medline TA: Analyst Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Key Laboratory of Polarized Materials and Devices, Ministry of Education, East China Normal University, Shanghai, 200241, China. hpeng@ee.ecnu.edu.cn. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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