Journal
NEW JOURNAL OF CHEMISTRY
Volume 45, Issue 30, Pages 13399-13405Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1nj02816b
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Funding
- National Natural Science Foundation of China [21878023, U1608222]
- Program for Distinguished Professor of Liaoning Province
- first-class discipline project of Liaoning province [LNSPXKBD2020307]
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A new fluorescent probe TPA-HS based on triphenylamine derivative was synthesized for the detection of hydrogen sulfide, showing fast and efficient detection within 20 minutes with a low detection limit. The probe has been successfully utilized in real water samples and living MCF-7 cells, demonstrating its potential for practical applications.
Hydrogen sulfide (H2S) has an indispensable position in various physiological and pathological processes. Herein, based on the recognition strategy that uses an ortho-aldehyde group to facilitate the thiolysis of dinitrophenyl ether, a new fluorescent probe TPA-HS based on triphenylamine derivative was synthesized to detect H2S. The probe is slightly soluble in THF/H2O (2/8, v/v, HEPES 20 mM, pH = 7.12) solution, and reacts with H2S to release its precursor TPA-CHO with aggregation-induced emission properties, and realizes the fluorescence turn on type response. TPA-HS can quickly and efficiently detect H2S within 20 minutes, and the detection limit is as low as 7.63 x 10(-6) M. Importantly, the probe has been successfully used to detect H2S in real water samples and living MCF-7 cells.
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