Journal
CHEMICAL COMMUNICATIONS
Volume 51, Issue 8, Pages 1510-1513Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc08522a
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Funding
- NSFC [21172063, 21472067]
- University of Jinan
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We introduce a new FRET strategy to construct a ratiometric fluorescent H2S sensor. The ratio emission signal of the coumarin-naphthalimide dyad is modulated by the FRET process, which works in coordination with the ICT mechanism. The FRET process on/off is controlled through tuning the overlap level of the donor emission spectrum with the acceptor absorption via modulation of the acceptor fluorophore absorption wavelength. CN-N-3 was applied to visualize both the intracellular exogenous and endogenous H2S through blue and green emission channels.
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