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Aqueous synthesis of highly luminescent surface Mn2+-doped CdTe quantum dots as a potential multimodal agent
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
2014-12-01
DOI10.1002/bio.2660
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
关键词[WOS]DOPED SEMICONDUCTOR NANOCRYSTALS ; IN-VIVO ; TRANSFER DYNAMICS ; MN ; PHOTOLUMINESCENCE ; ENERGY ; LABELS ; IONS ; ZNSE
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.
语种英语
WOS记录号WOS:000346466800014
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/145597
专题中国科学院大连化学物理研究所
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
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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.
APA Zhang, Fei,He, Fei,He, Xi-Wen,Li, Wen-You,&Zhang, Yu-Kui.(2014).Aqueous synthesis of highly luminescent surface Mn2+-doped CdTe quantum dots as a potential multimodal agent.LUMINESCENCE,29(8),1059-1065.
MLA Zhang, Fei,et al."Aqueous synthesis of highly luminescent surface Mn2+-doped CdTe quantum dots as a potential multimodal agent".LUMINESCENCE 29.8(2014):1059-1065.
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