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Biosynthesis of CdS nanoparticles: A fluorescent sensor for sulfate-reducing bacteria detection
Qi, Peng1; Zhang, Dun1; Zeng, Yan1,2; Wan, Yi1
2016-01-15
Source PublicationTALANTA
Volume147Issue:2016Pages:142-146
SubtypeArticle
AbstractCdS nanoparticles were synthesized with an environmentally friendly method by taking advantage of the characteristic metabolic process of sulfate-reducing bacteria (SRB), and used as fluorescence labels for SRB detection. The presence of CdS nanoparticles was observed within and immediately surrounded bacterial cells, indicating CdS nanoparticles were synthesized both intracellularly and extracellularly. Moreover, fluorescent properties of microbial synthesized CdS nanoparticles were evaluated for SRB detection, and a linear relationship between fluorescence intensity and the logarithm of bacterial concentration was obtained in the range of from 1.0 x 10(2) to 1.0 x 10(7) cfu mL(-1). The proposed SRB detection method avoided the use of biological bio-recognition elements which are easy to lose their specific recognizing abilities, and the bacterial detection time was greatly shortened compared with the widely used MPN method which would take up to 15 days to accomplish the detection process. (C) 2015 Elsevier B.V. All rights reserved.
KeywordCds Nanoparticles Biosynthesis Sulfate-reducing Bacteria Detection
DOI10.1016/j.talanta.2015.09.046
Indexed BySCI
Language英语
WOS IDWOS:000366078200020
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/86611
Collection海洋环境腐蚀与与生物污损重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Qi, Peng,Zhang, Dun,Zeng, Yan,et al. Biosynthesis of CdS nanoparticles: A fluorescent sensor for sulfate-reducing bacteria detection[J]. TALANTA,2016,147(2016):142-146.
APA Qi, Peng,Zhang, Dun,Zeng, Yan,&Wan, Yi.(2016).Biosynthesis of CdS nanoparticles: A fluorescent sensor for sulfate-reducing bacteria detection.TALANTA,147(2016),142-146.
MLA Qi, Peng,et al."Biosynthesis of CdS nanoparticles: A fluorescent sensor for sulfate-reducing bacteria detection".TALANTA 147.2016(2016):142-146.
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