Rhodamine Based Turn-ON Dual Sensor For Fe³⁺ and Cu²⁺
A new rhodamine-based dual sensor selectively detects Cu 2+ and Fe 3+. Complexation with Fe 3+ triggers the formation of a highly fluorescent ring-open form, while Cu 2+ forms a nonfluorescent complex detectable by its UV-vis spectrum. Both Cu 2+ and Fe 3+ give an immediate color change and the sensing mechanism is reversible, as indicated by disappearance of the color with the addition of excess EDTA. © 2011 Elsevier Ltd. All rights reserved.
A. J. Weerasinghe et al., "Rhodamine Based Turn-ON Dual Sensor For Fe³⁺ and Cu²⁺," Tetrahedron Letters, Elsevier, Jan 2011.
The definitive version is available at https://doi.org/10.1016/j.tetlet.2011.08.092
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© 2011 Elsevier, All rights reserved.
01 Jan 2011