Journal
CHEMICAL COMMUNICATIONS
Volume 48, Issue 88, Pages 10871-10873Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cc36141h
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Funding
- National Basic Research Program of China (973 Program) [2010CB126100]
- National High Technology Research and Development Program of China (863 Program) [2011AA10A207]
- China 111 Project [B07023]
- Shanghai Leading Academic Discipline Project [B507]
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A new ratiometric fluorescence probe E1 based on an excited-state intramolecular proton transfer (ESIPT) mechanism for detection of hydrogen sulfide (H2S) is reported. E1 responds to H2S quickly and showed a 30-fold fluorescence enhancement in 2 minutes. Moreover, E1 can detect H2S quantitatively with a detection limit as low as 0.12 mu M in aqueous solution. Its potential for biological applications was confirmed by employing it for fluorescence imaging of H2S in living cells.
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