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A novel signal-on photoelectrochemical sensing platform based on biosynthesis of CdS quantum dots sensitizing ZnO nanorod arrays
Yang, Zhiqing1,2,3; Wang, Yi1,2; Zhang, Dun1,2
2018-05-15
Source PublicationSENSORS AND ACTUATORS B-CHEMICAL
ISSN0925-4005
Volume261Pages:515-521
Corresponding AuthorWang, Yi(wangyi@qdio.ac.cn) ; Zhang, Dun(zhangdun@qdio.ac.cn)
AbstractNew approach for fabrication of photoelectrochemical sensing platform has been demonstrated for sulfate-reducing bacteria (SRB) detection based on biosynthesis of CdS quantum dots (QDs) sensitizing ZnO nanorod arrays. ZnO nanorod arrays were synthesized on the FTO substrate via galvanic-cell-based approach and then silanized by (3-Aminopropyl)triethoxysilane (APTES) with amino groups to introduce Cd2+. By taking advantage of the characteristic bacterial metabolite (H2S) reaction with Cd2+, CdS QDs can be biosynthesized on the surface of ZnO nanorod and significant enhancement of photocurrent due to the formation of CdS/ZnO heterostructures. The fabricated PEC sensing platform showed detection sensitivity of 32 cfu/mL for SRB. The current work can provide new strategies to construct advanced PEC sensing platforms for detections of physiologic messenger molecules (H2S). (C) 2018 Elsevier B.V. All rights reserved.
KeywordBiosynthesis ZnO nanorod arrays Sulfate-reducing bacteria Photoelectrochemical sensing platforms
DOI10.1016/j.snb.2018.01.190
Indexed BySCI
Language英语
Funding ProjectNatured Science Foundation of China[41476068] ; Natured Science Foundation of China[41776090] ; National Key Research and Development Program of China[2016YFC1400605] ; National Key Basic Research Program of China[2014CB643304] ; Science & Technology Basic Research Program of Qingdao[16-5-1-19-jch] ; Qingdao National Laboratory for Marine Science and Technology
WOS Research AreaChemistry ; Electrochemistry ; Instruments & Instrumentation
WOS SubjectChemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
WOS IDWOS:000426437400062
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/158410
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorWang, Yi; Zhang, Dun
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, 1 Wenhai Rd, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, 19 Jia Yuquan Rd, Beijing 100039, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yang, Zhiqing,Wang, Yi,Zhang, Dun. A novel signal-on photoelectrochemical sensing platform based on biosynthesis of CdS quantum dots sensitizing ZnO nanorod arrays[J]. SENSORS AND ACTUATORS B-CHEMICAL,2018,261:515-521.
APA Yang, Zhiqing,Wang, Yi,&Zhang, Dun.(2018).A novel signal-on photoelectrochemical sensing platform based on biosynthesis of CdS quantum dots sensitizing ZnO nanorod arrays.SENSORS AND ACTUATORS B-CHEMICAL,261,515-521.
MLA Yang, Zhiqing,et al."A novel signal-on photoelectrochemical sensing platform based on biosynthesis of CdS quantum dots sensitizing ZnO nanorod arrays".SENSORS AND ACTUATORS B-CHEMICAL 261(2018):515-521.
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