Journal
DYES AND PIGMENTS
Volume 97, Issue 1, Pages 52-57Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2012.11.016
Keywords
Dual-channel; Chemodosimeter; Fluoride sensor; Quantitative determination; Fluorescence imaging; Living cell
Funding
- Program for New Century Excellent Talents in University [NCET-2008-0224]
- National Science Foundation of China [81102334]
- National science and technology major project [2011ZX09102-004-01]
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A dual-channel fluoride anions probe has been synthesized from 4-hydroxy-1,8-Naphthalimide and t-butyldiphenylsilyl derivative. The probe presents selective coloration for fluoride anion that can be recognized by naked-eye. And it can quantitatively determine fluoride anion in aqueous and organic media. In MeCN/H2O (v/v, 50:50), the detection limit of the probe is found to be 0.35 mg L-1 which satisfied EPA's requirements. While density function theory and time-dependent density function theory calculations were conducted to rationalize the optical response of the probe. Furthermore, the biological application shows that it could be successfully employed as a selective fluoride probe in the fluorescence imaging of living cells. (c) 2012 Elsevier Ltd. All rights reserved.
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