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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c02741
|2 doi
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|a pubmed25n1117.xml
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|a (DE-627)NLM335173829
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|a (NLM)34981932
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Ma, Jinxin
|e verfasserin
|4 aut
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|a Photoelectrochemical Enzyme Biosensor Based on TiO2 Nanorod/TiO2 Quantum Dot/Polydopamine/Glucose Oxidase Composites with Strong Visible-Light Response
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 01.02.2022
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|a Date Revised 01.02.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Although photoelectrochemical (PEC) enzyme biosensors based on visible-light detection would have a high practical value, their development has been limited by the weak visible-light response of available photoactive substrates. Here, to enhance the visible-light response of a photoelectric substrate, a TiO2 nanorods (NRs)/TiO2 quantum dots (QDs)/polydopamine (PDA)/glucose oxidase nanocomposite was prepared via hydrothermal synthesis, followed by photopolymerization. TiO2 QDs with strong light absorption and excellent photocatalytic activity were introduced between the TiO2 NRs and the PDA. An efficient electron transport interface that formed as a result of the combination of the TiO2 NRs, TiO2 QDs, and the PDA could not only transfer electrons quickly and orderly, but also substantially improve the response of the TiO2 NRs under visible light. Through a series glucose detection, a sensor based on the nanocomposite was found to exhibit superior sensing performance under visible light with a sensitivity of 4.63 μA mM-1 cm-2, a linear response over the concentration 0.1-4 mM, and a detection limit of 8.16 μM. This work proposes a biosensor that can detect under visible light, thereby expanding the application range of PEC enzyme biosensors
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Indoles
|2 NLM
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|a Polymers
|2 NLM
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|a polydopamine
|2 NLM
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|a titanium dioxide
|2 NLM
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|a 15FIX9V2JP
|2 NLM
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|a Titanium
|2 NLM
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|a D1JT611TNE
|2 NLM
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|a Glucose Oxidase
|2 NLM
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|a EC 1.1.3.4
|2 NLM
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| 700 |
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|a Zhang, Miaomiao
|e verfasserin
|4 aut
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|a Su, Wen
|e verfasserin
|4 aut
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|a Wu, Baiqiang
|e verfasserin
|4 aut
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|a Yang, Zhuo
|e verfasserin
|4 aut
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|a Wang, Xiaohong
|e verfasserin
|4 aut
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|a Qiao, Bin
|e verfasserin
|4 aut
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|a Pei, Hua
|e verfasserin
|4 aut
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|a Tu, Jinchun
|e verfasserin
|4 aut
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|a Chen, Delun
|e verfasserin
|4 aut
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|a Wu, Qiang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 38(2022), 2 vom: 18. Jan., Seite 751-761
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
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|g volume:38
|g year:2022
|g number:2
|g day:18
|g month:01
|g pages:751-761
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|u http://dx.doi.org/10.1021/acs.langmuir.1c02741
|3 Volltext
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|h 751-761
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