Preparation of europium complex-conjugated carbon dots for ratiometric fluorescence detection of copper(II) ions
文献类型：期刊论文
| 作者 | Ye, Zhiqiang1; Tang, Rong1; Wu, Hao2; Wang, Beibei2; Tan, Mingqian2; Yuan, Jingli1 |
| 刊名 | new journal of chemistry
 |
| 出版日期 | 2014-12-01 |
| 卷号 | 38期号:12页码:5721-5726 |
| 通讯作者 | zhiqiangye ; 谭明乾 |
| 英文摘要 | in this work, by conjugating a europium complex, 4,4'-bis(1 '',1 '',1 '',2 '',2 '',3 '',3 ''-heptafluoro-4 '',6 ''-hexanedion-6 ''-ypchlorosulfo-o-terphenyl-eu3+ (bhhct-eu3+), onto the surface of carbon dots (c-dots), a new type of dual-fluorophore nanoparticle, c-dots-bhhct-eu3+, has been successfully prepared for the ratiometric fluorescence detection of cu2+ ions in aqueous media. the results of transmission electron microscopy (tem) and fluorescence spectroscopy characterization indicate that the nanoparticles are monodisperse, spherical and uniform in size (similar to 8.6 nm in diameter), and have stable and well-resolved dual-wavelength emission properties. under excitation at 337 nm, the composite nanoparticles of c-dots-bhhct-eu3+ exhibit two emission peaks at 410 nm and 615 nm, respectively. upon the addition of cu2+ ions, the emission intensity of the nanoparticles at 615 nm is significantly decreased, white that at 410 nm shows no response to the addition of cu2+ ions. correspondingly, the emission intensity ratio, /(615)//(410), shows a good linearity against the concentration of cu2+ ions. in addition, the investigation results of fluorescence responses of the nanoparticles to different metal ions reveal that the fluorescence response of c-dots-bhhct-eu3+ to cu2+ ions is highly specific without interference from other metal ions. all of the results suggest that the new dual-fluorophore composite nanoparticles could be used as a ratiometric fluorescence probe for the detection of cu2+ ions in aqueous media with high selectivity and sensitivity. |
| WOS标题词 | science & technology ; physical sciences |
| 学科主题 | 物理化学 |
| 类目[WOS] | chemistry, multidisciplinary |
| 研究领域[WOS] | chemistry |
| 关键词[WOS] | time-resolved fluoroimmunoassay ; gated luminescence detection ; in-vivo ; nanoparticles ; sensor ; cells ; nanodots ; chelate ; probes ; water |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000345485000008 |
| 公开日期 | 2016-05-09 |
| 源URL | [http://cas-ir.dicp.ac.cn/handle/321008/144008]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | 1.Dalian Univ Technol, Sch Chem, State Key Lab Fine Chem, Dalian 116024, Peoples R China 2.Chinese Acad Sci, Dalian Inst Chem Phys, Div Biotechnol, Dalian 116023, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ye, Zhiqiang,Tang, Rong,Wu, Hao,et al. Preparation of europium complex-conjugated carbon dots for ratiometric fluorescence detection of copper(II) ions[J]. new journal of chemistry,2014,38(12):5721-5726. |
| APA | Ye, Zhiqiang,Tang, Rong,Wu, Hao,Wang, Beibei,Tan, Mingqian,&Yuan, Jingli.(2014).Preparation of europium complex-conjugated carbon dots for ratiometric fluorescence detection of copper(II) ions.new journal of chemistry,38(12),5721-5726. |
| MLA | Ye, Zhiqiang,et al."Preparation of europium complex-conjugated carbon dots for ratiometric fluorescence detection of copper(II) ions".new journal of chemistry 38.12(2014):5721-5726. |
入库方式： OAI收割
来源：大连化学物理研究所
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