Journal
JOURNAL OF MATERIALS CHEMISTRY B
Volume 2, Issue 31, Pages 5077-5082Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4tb00579a
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Funding
- National Basic Research Program of China (973 Program) [2012CB825800, 2013CB932702]
- National Natural Science Foundation of China (NSFC) [51132006]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Suzhou Planning Project of Science and Technology [ZXG2012028]
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Fluorescent carbon dots (FCDs) were synthesized by refluxing polyethylene glycol, which can emit bright and different fluorescent colours under various wavelengths as well as show stable fluorescence properties with different ionic strength, temperature and time. These FCDs exhibit good biocompatibility and very low toxicity for HeLa cells. Notably, these FCDs, as an efficient live cell fluorescence imaging probe, can selectively stain nucleoli, and the effect is similar to some commercially available dyes (such as Hoechst).
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