Journal
TETRAHEDRON LETTERS
Volume 47, Issue 43, Pages 7575-7578Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2006.08.091
Keywords
4-aminophthalimide; fluorescence chemosensor; fluorophore-spacer-receptor system; metal ions induced fluorescence enhancement
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An 'off-on' fluorescence chemosensor for the selective signalling of Cr(III) has been designed exploiting the guest-induced inhibition of the photoinduced electron transfer signalling mechanism. The system shows an approximately 17-fold Cr(III)-selective chelation-enhanced fluorescence response in tetrahydrofuran and the system is highly selective against the background of environmentally and biologically relevant metal ions. (c) 2006 Elsevier Ltd. All rights reserved.
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