A new indazole-based colorimetric chemosensor for sequential detection of Cu 2+ and GSH in aqueous solution
Tetrahedron, ISSN: 0040-4020, Vol: 73, Issue: 32, Page: 4750-4757
2017
- 29Citations
- 25Captures
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Article Description
A new selective and sensitive colorimetric chemosensor 1 was developed for the sequential detection of Cu 2+ and glutathione (GSH) in aqueous solution. The sensor 1 detected Cu 2+ ion by an obvious color change from colorless to pale yellow. Importantly, 1 could be used to detect and quantify Cu 2+ ion in water samples, and the detection limit (0.14 μM) of 1 for Cu 2+ was much lower than the guideline (31.5 μM) of WHO in drinking water. Also, Cu 2+ -2· 1 complex can be used as a colorimetric sensor for GSH via naked-eye. The detection limit for GSH was founded to be 2.98 μM. Moreover, the sensing ability of 1 for Cu 2+ was supported by theoretical calculations.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0040402017306956; http://dx.doi.org/10.1016/j.tet.2017.06.051; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85021446114&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0040402017306956; https://dx.doi.org/10.1016/j.tet.2017.06.051
Elsevier BV
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