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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202003616
|2 doi
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|a pubmed24n1046.xml
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|a (DE-627)NLM313891281
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|a (NLM)32815249
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Wang, Guomin
|e verfasserin
|4 aut
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| 245 |
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|a A Quantitative Bacteria Monitoring and Killing Platform Based on Electron Transfer from Bacteria to a Semiconductor
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 11.08.2021
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|a Date Revised 11.08.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 Wiley-VCH GmbH.
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|a A platform with both bacteria killing and sensing capabilities is crucial for monitoring the entire bacteria-related process on biomaterials and biomedical devices. Electron transfer (ET) between the bacteria and a Au-loaded semiconductor (ZnO) is observed to be the primary factor for effective bacteria sensing and fast bacteria killing. The electrons produce a saturation current that varies linearly with the bacteria number, semi-logarithmically, with R2 of 0.98825, thus providing an excellent tool to count bacteria quantitatively in real-time. Furthermore, ET leads to continuous electron loss killing of about 80% of Escherichia coli in only 1 h without light. The modularity and extendability of this ET-based platform are also demonstrated by the excellent results obtained from other semiconductor/substrate systems and the stability is confirmed by recycling tests. The underlying mechanism for the dual functions is not due to conventional attributed Zn2+ leaching or photocatalysis but instead electrical interactions upon direct contact. The results reveal the capability of real-time detection of bacteria based on ET while providing information about the antibacterial behavior of ZnO-based materials especially in the early stage. The concept can be readily incorporated into the design of smart and miniaturized devices that can sense and kill bacteria simultaneously
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|a Journal Article
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|a Au nanoparticles
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|a antibacterial activity
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|a bacteria sensing
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|a electron transfer
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|a zinc oxide nanorods
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|a Tang, Kaiwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Meng, Zheyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Pei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mo, Shi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mehrjou, Babak
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Huaiyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Xuanyong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Zhengwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chu, Paul K
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 39 vom: 03. Okt., Seite e2003616
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:32
|g year:2020
|g number:39
|g day:03
|g month:10
|g pages:e2003616
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|u http://dx.doi.org/10.1002/adma.202003616
|3 Volltext
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