Journal
JOURNAL OF MOLECULAR STRUCTURE
Volume 1226, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.molstruc.2020.129360
Keywords
N'N-diethylrhodol probe; Copper ion; Ratiometric fluorescence; Visual detection; Bioimaging
Categories
Funding
- Zhejiang medical and health science and technology program [2019RC289]
- Jiaxing Key Discipline of Chinese Medicine-Dermatology and Venereology of Integrative Medicine (Innovation) [2019XK-C06]
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The novel ratiometric chemosensor BSRH shows high sensitivity and selectivity towards Cu2+ based on spirolactamized benzothiazole-substituted N,N-diethylrhodol. It can be used as a promising tool to determine Cu2+ in biological and environmental samples.
A novel ratiometric chemosensor BSRH based on spirolactamized benzothiazole-substituted N,N-diethylrhodol was developed for recognizing Cu2+. In sensing process of BSRH, The Cu2+ was detected by the inhibition of ESIPT and formation of the delocalized xanthene with high sensitivity and selectivity. The Cu2+-induced emission intensity/absorbance showed linearly proportional to the Cu(2+)concentration (0.0-10.0 mu M) with the low detection limit of 0.11 mu M/0.18 mu M. Moreover, the probe was further successfully applied to test Cu 2 + in real water samples and living Hela imaging. This work provides a promising and useful tool to determine Cu(2+ )in biological and environmental samples. (C) 2020 Elsevier B.V. All rights reserved.
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