Bera, Manas Kumar ; Chakraborty, Chanchal ; Singh, Pradeep Kumar ; Sahu, Chandan ; Sen, Kaushik ; Maji, Samir ; Das, Abhijit Kumar ; Malik, Sudip (2014) Fluorene-based chemodosimeter for “turn-on” sensing of cyanide by hampering ESIPT and live cell imaging Journal of Materials Chemistry B, 2 (29). p. 4733. ISSN 2050-750X
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Official URL: http://doi.org/10.1039/C4TB00388H
Related URL: http://dx.doi.org/10.1039/C4TB00388H
Abstract
A new salicylaldehyde appended fluorene-based chemodosimeter (FSal) has been designed by taking consideration of the special nucleophilicity of cyanide ion. FSal shows selective affinity towards CN− over other anions (namely F−, Br−, NO3−, ClO4−, N3−, H2PO4−, AcO−, I−, Cl−, and NO2−) through turn-on fluorescence with a minimum detection limit of 0.06 ppm. The turn-on fluorescence of the FSal–CN complex resulting from hampering ESIPT is also supported by DFT and TDDFT calculations. Biological compatibility and live cell imaging of this unique probe have also been explored.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry |
| ID Code: | 126508 |
| Deposited On: | 31 Oct 2022 04:19 |
| Last Modified: | 31 Oct 2022 04:19 |
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