CuO/Cu composite nanospheres on a TiO2 nanotube array for amperometric sensing of glucose
A non-enzymatic glucose sensor based on the use of CuO-Cu nanospheres placed on a TiO2 nanotube (TNT) array with excellent performance is described. The electrode was fabricated by coating the CuO-Cu nanospheres onto the TNT array through electrochemical deposition. The CuO-Cu nanospheres with a dia...
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| Veröffentlicht in: | Mikrochimica acta (1966) 2020-02, Vol.187 (2), p.123-123, Article 123 |
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| container_end_page | 123 |
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| container_issue | 2 |
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| container_title | Mikrochimica acta (1966) |
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| creator | Zhou, Zhiru Zhu, Zanzan Cui, Feiyun Shao, Jiahui Zhou, Hong Susan |
| description | A non-enzymatic glucose sensor based on the use of CuO-Cu nanospheres placed on a TiO2 nanotube (TNT) array with excellent performance is described. The electrode was fabricated by coating the CuO-Cu nanospheres onto the TNT array through electrochemical deposition. The CuO-Cu nanospheres with a diameter of ~200 nm are well dispersed on the TNT surface, which warrants smooth interaction and a 3D nanostructure with high uniformity. The modified electrode was then used for amperometric determination of glucose in 0.1 M NaOH solution. Figures of merit include (a) a typical working voltage of 0.65 V (vs. Ag/AgCl). (b) a linear range as wide as from 0.2–90 mM, (c) good sensitivity (234 μA mM
−1
cm
−2
), and a 19 nM lower detection limit. The sensor is selective over ascorbic acid (AA), dopamine (DA), uric acid (UA), lactose, sucrose, and fructose.
Graphical abstract |
| doi_str_mv | 10.1007/s00604-019-4099-9 |
| format | Article |
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−1
cm
−2
), and a 19 nM lower detection limit. The sensor is selective over ascorbic acid (AA), dopamine (DA), uric acid (UA), lactose, sucrose, and fructose.
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−1
cm
−2
), and a 19 nM lower detection limit. The sensor is selective over ascorbic acid (AA), dopamine (DA), uric acid (UA), lactose, sucrose, and fructose.
Graphical abstract</description><subject>Analytical Chemistry</subject><subject>Ascorbic acid</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Coated electrodes</subject><subject>Copper</subject><subject>Copper oxides</subject><subject>Dopamine</subject><subject>Electrical measurement</subject><subject>Electrodes</subject><subject>Glucose</subject><subject>Lactose</subject><subject>Microengineering</subject><subject>Nanochemistry</subject><subject>Nanospheres</subject><subject>Nanotechnology</subject><subject>Nanotubes</subject><subject>Original Paper</subject><subject>Sensor arrays</subject><subject>Silver chloride</subject><subject>Sucrose</subject><subject>Titanium dioxide</subject><subject>Uric acid</subject><issn>0026-3672</issn><issn>1436-5073</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kM1KxDAUhYMoOI4-gLuAGzd1bpo0aZYy-AfCbMaNm5Cmt2OHtqlJu5i38Vl8MjuOIAiuLhy-c7h8hFwyuGEAahEBJIgEmE4EaJ3oIzJjgsskA8WPyQwglQmXKj0lZzFuAZiSqZiR1-W4WixH6nzb-1gPSDvb-di_YcBIfff5Yem6XqXf8TAWSG0IdkcrH6htewy-xSHUjkbsYt1tqK_ophmdj3hOTirbRLz4uXPycn-3Xj4mz6uHp-Xtc-K40EOiy0wxxkCXyIqMiUKjFIxh6VheaiyskJjlroRcpVYWBUiZcYFVXiG4ouJ8Tq4Pu33w7yPGwbR1dNg0tkM_RpNynkOmFM8n9OoPuvVj6KbvTCoUV7lWbE-xA-WCjzFgZfpQtzbsDAOzt20Ots1k2-xtGz110kMnTmy3wfC7_H_pC1Ylgs4</recordid><startdate>20200201</startdate><enddate>20200201</enddate><creator>Zhou, Zhiru</creator><creator>Zhu, Zanzan</creator><creator>Cui, Feiyun</creator><creator>Shao, Jiahui</creator><creator>Zhou, Hong Susan</creator><general>Springer Vienna</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>K9.</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-6659-6965</orcidid></search><sort><creationdate>20200201</creationdate><title>CuO/Cu composite nanospheres on a TiO2 nanotube array for amperometric sensing of glucose</title><author>Zhou, Zhiru ; Zhu, Zanzan ; Cui, Feiyun ; Shao, Jiahui ; Zhou, Hong Susan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c349t-9d5711109de1b514b9e6411edc18d9eba46e58cd0872a6bb066534ef8fe0cbf33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Analytical Chemistry</topic><topic>Ascorbic acid</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Coated electrodes</topic><topic>Copper</topic><topic>Copper oxides</topic><topic>Dopamine</topic><topic>Electrical measurement</topic><topic>Electrodes</topic><topic>Glucose</topic><topic>Lactose</topic><topic>Microengineering</topic><topic>Nanochemistry</topic><topic>Nanospheres</topic><topic>Nanotechnology</topic><topic>Nanotubes</topic><topic>Original Paper</topic><topic>Sensor arrays</topic><topic>Silver chloride</topic><topic>Sucrose</topic><topic>Titanium dioxide</topic><topic>Uric acid</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhou, Zhiru</creatorcontrib><creatorcontrib>Zhu, Zanzan</creatorcontrib><creatorcontrib>Cui, Feiyun</creatorcontrib><creatorcontrib>Shao, Jiahui</creatorcontrib><creatorcontrib>Zhou, Hong Susan</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Mikrochimica acta (1966)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhou, Zhiru</au><au>Zhu, Zanzan</au><au>Cui, Feiyun</au><au>Shao, Jiahui</au><au>Zhou, Hong Susan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>CuO/Cu composite nanospheres on a TiO2 nanotube array for amperometric sensing of glucose</atitle><jtitle>Mikrochimica acta (1966)</jtitle><stitle>Microchim Acta</stitle><date>2020-02-01</date><risdate>2020</risdate><volume>187</volume><issue>2</issue><spage>123</spage><epage>123</epage><pages>123-123</pages><artnum>123</artnum><issn>0026-3672</issn><eissn>1436-5073</eissn><abstract>A non-enzymatic glucose sensor based on the use of CuO-Cu nanospheres placed on a TiO2 nanotube (TNT) array with excellent performance is described. The electrode was fabricated by coating the CuO-Cu nanospheres onto the TNT array through electrochemical deposition. The CuO-Cu nanospheres with a diameter of ~200 nm are well dispersed on the TNT surface, which warrants smooth interaction and a 3D nanostructure with high uniformity. The modified electrode was then used for amperometric determination of glucose in 0.1 M NaOH solution. Figures of merit include (a) a typical working voltage of 0.65 V (vs. Ag/AgCl). (b) a linear range as wide as from 0.2–90 mM, (c) good sensitivity (234 μA mM
−1
cm
−2
), and a 19 nM lower detection limit. The sensor is selective over ascorbic acid (AA), dopamine (DA), uric acid (UA), lactose, sucrose, and fructose.
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| subjects | Analytical Chemistry Ascorbic acid Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Coated electrodes Copper Copper oxides Dopamine Electrical measurement Electrodes Glucose Lactose Microengineering Nanochemistry Nanospheres Nanotechnology Nanotubes Original Paper Sensor arrays Silver chloride Sucrose Titanium dioxide Uric acid |
| title | CuO/Cu composite nanospheres on a TiO2 nanotube array for amperometric sensing of glucose |
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