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- Title
A highly selective and sensitive benzothiazole-based 'turn-on' fluorescent sensor for Hg<sup>2+</sup> ion.
- Authors
Erdemir, Serkan; Malkondu, Sait; Alici, Onder
- Abstract
A simple benzothiazole-based fluorescent probe ( TDA) for the determination of Hg2+ ion in aqueous solutions was synthesised in one step and characterised by 1H NMR, 13C NMR, APT, COSY, FTIR, and elemental analysis. TDA shows a significant fluorescence change upon the interaction of Hg2+ ion in DMF-water (v/v = 1/1), while only minor changes in fluorescence intensity are observed with 18 other metal ions. Fluorescence enhancement by a factor of 15 is achieved upon selective interaction with Hg2+ ion. The Hg2+ ion detection process is found to be pH dependent; therefore, TDA could be feasible within a pH range of 4.0-7.0.
- Subjects
BENZOTHIAZOLE; FLUORESCENT probes; NUCLEAR magnetic resonance; ATOM-probe tomography; FLUORESCENCE; FOURIER transform infrared spectroscopy
- Publication
Coloration Technology, 2015, Vol 131, Issue 1, p32
- ISSN
1472-3581
- Publication type
Article
- DOI
10.1111/cote.12122