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题名: Aqueous synthesis of highly luminescent surface Mn2+-doped CdTe quantum dots as a potential multimodal agent
作者: Zhang, Fei1, 2, 3;  He, Fei1, 2, 3;  He, Xi-Wen1, 2, 3;  Li, Wen-You1, 2, 3;  Zhang, Yu-Kui1, 2, 3, 4
关键词: doped-quantum dots ;  aqueous synthesis ;  luminescence ;  bioimaging ;  multimodal agent
刊名: LUMINESCENCE
发表日期: 2014-12-01
DOI: 10.1002/bio.2660
卷: 29, 期:8, 页:1059-1065
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine
类目[WOS]: Biochemistry & Molecular Biology
研究领域[WOS]: Biochemistry & Molecular Biology
英文摘要: Mn2+-doped CdTe quantum dots (QDs) were synthesized directly via a facile surface doping strategy in aqueous solution. The best optical property emerged when the added amount of Mn2+ was 5% compared to Cd2+ in the CdTe nanoparticles and the reaction temperature was 60 degrees C. The fluorescence and magnetic properties of the QDs were studied. The as-prepared Mn2+-doped CdTe QDs have high quantum yield (48.13%) and a narrow distribution with an average diameter of 3.7nm. The utility of biological imaging was also studied. Depending on the high quantum yield, cells in culture were illuminated and made more distinct from each other compared to results obtained with normal QDs. They also have a prominent longitudinal relaxivity value (r(1)=4.2mM(-1)s(-1)), which could indicate that the Mn2+-doped CdTe QDs can be used as a potential multimodal agent for fluorescence and magnetic resonance imaging. Copyright (c) 2014 John Wiley & Sons, Ltd.
关键词[WOS]: DOPED SEMICONDUCTOR NANOCRYSTALS ;  IN-VIVO ;  TRANSFER DYNAMICS ;  MN ;  PHOTOLUMINESCENCE ;  ENERGY ;  LABELS ;  IONS ;  ZNSE
语种: 英语
WOS记录号: WOS:000346466800014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145597
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Nankai Univ, State Key Lab Med Chem Biol, Tianjin 300071, Peoples R China
2.Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China
3.Synerget Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300071, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog Res & Anal Ctr, Dalian 116011, Peoples R China

Recommended Citation:
Zhang, Fei,He, Fei,He, Xi-Wen,et al. Aqueous synthesis of highly luminescent surface Mn2+-doped CdTe quantum dots as a potential multimodal agent[J]. LUMINESCENCE,2014,29(8):1059-1065.
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