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题名: One-Pot Microwave Synthesis of Water-Dispersible, High Fluorescence Silicon Nanoparticles and Their Imaging Applications in Vitro and in Vivo
作者: Ye, Hong-Li1;  Cai, Shi-Jiao2;  Li, Si1;  He, Xi-Wen1;  Li, Wen-You1, 3;  Li, Yu-Hao2;  Zhang, Yu-Kui1, 4
刊名: ANALYTICAL CHEMISTRY
发表日期: 2016-12-06
DOI: 10.1021/acs.analchem.6b03209
卷: 88, 期:23, 页:11631-11638
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
英文摘要: Silicon nanoparticles (SiNPs) have been reported to be synthesized by microwave-assisted methods under high pressure. However, there is still a lack of knowledge about the synthesis of SiNPs via microwave-assisted methods under normal pressure. Here we developed a new, facile, one-pot microwave-assisted method for the synthesis SiNPs (similar to 4.2 nm) with excellent water solubility under normal pressure by employing glycerol as the solvent. Furthermore, glycerol might be responsible for the photoluminescence quantum yield (PLQY) value up to 47% for the resultant SiNPs. The use of organic solvent could afford less nanoparticle surface defects compared with those prepared in aqueous solution, thus improving the fluorescent efficiency. The as-prepared SiNPs simultaneously featured bright blue-green fluorescence, long lifetime (similar to 12.8 ns), obvious up-conversion luminescence originating from two photon absorption, superbly strong photostability, and favorable low toxicity. As a satisfactory probe, the as-synthesized SiNPs were successfully applied in fluorescence imaging of human cervical carcinoma cell lines (HeLa) and zebrafish.
关键词[WOS]: GRAPHENE QUANTUM DOTS ;  DOPED CARBON DOTS ;  POROUS SILICON ;  BIOLOGICAL APPLICATIONS ;  CLICK CHEMISTRY ;  CANCER-CELLS ;  HIGH-YIELD ;  LUMINESCENT ;  PHOTOLUMINESCENCE ;  NANOCRYSTALS
语种: 英语
WOS记录号: WOS:000389556900054
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/150418
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, Tianjin Key Lab Biosensing & Mol Recognit, State Key Lab Med Chem Biol, Coll Chem,Res Ctr Analyt Sci, Tianjin 300071, Peoples R China
2.Nankai Univ, Sch Med, Key Lab Tumor Microenvironm & Neurovasc Regulat, Tianjin 300071, Peoples R China
3.Collaborat 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 116023, Peoples R China

Recommended Citation:
Ye, Hong-Li,Cai, Shi-Jiao,Li, Si,et al. One-Pot Microwave Synthesis of Water-Dispersible, High Fluorescence Silicon Nanoparticles and Their Imaging Applications in Vitro and in Vivo[J]. ANALYTICAL CHEMISTRY,2016,88(23):11631-11638.
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