期刊
DYES AND PIGMENTS
卷 179, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2020.108430
关键词
Coumarin; Difluoroboron beta-diketone; Zwitterion; Deep-red emission; Mitochondrial staining; TD-DFT
资金
- National Natural Science Foundation of China [21702116, 21977060]
- Shandong Provincial Key Research and Development Program, China [2019GSF107087, 2019GSF107078]
- Qingdao Municipal Science and Technology Bureau, China [19-6-2-32-cg]
- Shandong Province Higher Educational Science and Technology Program, China [J18KA079]
- Beijing National Laboratory for Molecular Sciences, Chinese Academy of Sciences [BNLMS20160110]
To develop new dyes with mitochondria staining capacity, a series of zwitterionic dyes of hybrid coumarindifluomboron have been synthesized. The hybrid dyes are conjugated by 7-diethylaminocoumarin, difluoroboron (BF2) beta-diketone and electron-donating group. The dyes show deep-red emission (600-680 nm) and high fluorescence quantum yield in organic solvents. The nature of ICT and zwitterion has been fully researched by TD-DFT and ESP calculations. Co-staining with the Mito-Tracker Green shows staining capability to mitochondria in living cells by confocal cell imaging experiments. This work can provide a new strategy for the design of neutral cellular probes for mitochondria staining.
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