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A sustainable biogenic route to synthesize quantum dots with tunable fluorescence properties for live cell imaging
Tian, Li-Jiao1; Zhou, Nan-Qing1; Liu, Xian-Wei1; Liu, Jing-Hua2; Zhang, Xing1; Huang, Hai1; Zhu, Ting-Ting3; Li, Ling-Li1; Huang, Qing2; Li, Wen-Wei1; Liu, Yang-Zhong1; Yu, Han-Qing1
2017-08-15
Source PublicationBIOCHEMICAL ENGINEERING JOURNAL
Volume124Issue:Pages:130-137
AbstractQuantum dots (QDs), owning to their unique optical and electronic properties, are increasingly used for bio-imaging/biosensing in medical and energy fields. Biosynthesis of QDs offers several advantages over the conventional chemical synthesis route, such as low cost, environmental-benignity, and no need for further modification of the products. However, information about the regulation and mechanism of synthesis of QDs with great fluorescence properties is still limited. In this work, we prepared cadmium selenium (CdSe) QDs in vivo using Candida utilis WSH02-08. We regulated the fluorescence properties of the bio-QDs through different precursor concentrations, and found that the bio-QDs with high fluorescence intensity and long photostable lifetime were favoured at an elevated Cd content over Se. The synthesis of the high-quality bio-QDs was attributed to the less formation of Se(0) and the increased formation of CdSe and CdS. Furthermore, such synthesized QDs were directly used in live-cell imaging without further modification. These findings are expected to enable a further design of biosynthesized QDs with great fluorescence properties and expand our understanding of the regulation mechanism of nanoparticles fabrication in microorganisms. (C) 2017 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordQuantum Dots (Qds) Cdse Sustainable Tunable Biosynthesis Fluorescence Properties
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
Funding OrganizationNatural Science Foundation of China(21477120 ; Program for Changjiang Scholars and Innovative Research Team in University ; Collaborative Innovation Center of Suzhou Nano Science and Technology of the Ministry of Education of China ; 51538011) ; Natural Science Foundation of China(21477120 ; Program for Changjiang Scholars and Innovative Research Team in University ; Collaborative Innovation Center of Suzhou Nano Science and Technology of the Ministry of Education of China ; 51538011)
DOI10.1016/j.bej.2017.05.011
WOS KeywordESCHERICHIA-COLI ; YEAST-CELLS ; BIOSYNTHESIS ; NANOCRYSTALS ; GLUTATHIONE ; NANOPARTICLES ; SPECTROSCOPY ; DIAGNOSTICS
Indexed BySCI
Language英语
Funding OrganizationNatural Science Foundation of China(21477120 ; Program for Changjiang Scholars and Innovative Research Team in University ; Collaborative Innovation Center of Suzhou Nano Science and Technology of the Ministry of Education of China ; 51538011) ; Natural Science Foundation of China(21477120 ; Program for Changjiang Scholars and Innovative Research Team in University ; Collaborative Innovation Center of Suzhou Nano Science and Technology of the Ministry of Education of China ; 51538011)
WOS Research AreaBiotechnology & Applied Microbiology ; Engineering
WOS SubjectBiotechnology & Applied Microbiology ; Engineering, Chemical
WOS IDWOS:000404199100016
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/31994
Collection技术生物与农业工程研究所
Affiliation1.Dept Chem, CAS Key Lab Urban Pollutant Convers, Hefei 230026, Peoples R China
2.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Tech Biol, Hefei 230031, Peoples R China
3.Univ Sci & Technol China, Sch Life Sci, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Tian, Li-Jiao,Zhou, Nan-Qing,Liu, Xian-Wei,et al. A sustainable biogenic route to synthesize quantum dots with tunable fluorescence properties for live cell imaging[J]. BIOCHEMICAL ENGINEERING JOURNAL,2017,124(无):130-137.
APA Tian, Li-Jiao.,Zhou, Nan-Qing.,Liu, Xian-Wei.,Liu, Jing-Hua.,Zhang, Xing.,...&Yu, Han-Qing.(2017).A sustainable biogenic route to synthesize quantum dots with tunable fluorescence properties for live cell imaging.BIOCHEMICAL ENGINEERING JOURNAL,124(无),130-137.
MLA Tian, Li-Jiao,et al."A sustainable biogenic route to synthesize quantum dots with tunable fluorescence properties for live cell imaging".BIOCHEMICAL ENGINEERING JOURNAL 124.无(2017):130-137.
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