Journal
RSC ADVANCES
Volume 10, Issue 62, Pages 37735-37742Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ra07330j
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Funding
- National Natural Science Foundation of China [21867011]
- Natural Science Foundation of Jiangxi Province [20192BAB213008]
- University [QD201907]
- Outstanding Young and Middle-aged Scientific Innovation Team of Colleges and Universities of Hubei Province: Biomass Chemical Technologies and Materials [T201908]
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Development of a novel fluorescence enhancement probe for detection of Sn2+ in organisms, with high selectivity and sensitivity, is of great interest but remains a great challenge. Herein, an ICT-based fluorescence probe TPPB was rationally developed to act as an 'enhancement' luminescent and naked-eye indicator for Sn2+ detection. Importantly, spectroscopic studies indicated that TPPB was a fluorescence enhancement sensor for Sn2+ with rapid response, low detection limit (0.116 mu M) and excellent binding constant (1.6 x 10(4) M-1). The mechanism of TPPB response to Sn2+ was further proved by H-1 NMR titration, and enhancement calculations. Furthermore, TPPB is applied as a fluorescence probe for imaging in Hela cells, indicated that it can be potentially applied for Sn2+ sensing in biological fields.
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