| Gold Nanostructures on Flexible Substrates as Electrochemical Dopamine Sensors. | |
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MedLine Citation:
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PMID: 23020235 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In this study, we fabricated Au nanowires (NWs), nanoslices (NSs), and nanocorals (NCs) on flexible polyethylene terephthalate (PET) substrates via direct current electrochemical depositions. Without any surface modification, the Au nanostructures were used as the electrodes for dopamine (DA) sensing. Among them, the Au NW electrode performed exceptionally well. The determined linear range for DA detection was 0.2 - 600 μM (N = 3), the sensitivity was 178 nA/μM cm(2), while the detection limit was 26 nM (S/N = 3). After ten repeated measurements, 95 % of the original anodic current values were maintained for the nanostructured electrodes. Sequential additions of citric acid (CA, 1 mM), uric acid (UA, saturated), and ascorbic acid (AA, 1 μM) did not interfere the amperometric response from the addition of DA (0.1 μM). |
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Authors:
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Ming-Sheng Hsu; Yu-Liang Chen; Chi-Young Lee; Hsin-Tien Chiu |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-9-28 |
Journal Detail:
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Title: ACS applied materials & interfaces Volume: - ISSN: 1944-8252 ISO Abbreviation: ACS Appl Mater Interfaces Publication Date: 2012 Sep |
Date Detail:
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Created Date: 2012-10-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101504991 Medline TA: ACS Appl Mater Interfaces Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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