Fluorescence modulation in anion sensing by introducing intramolecular H-bonding interactions in host-guest adducts

Fluorescence signaling in anion binding is modulated from quenching to enhancement by intramolecular H-bonding stabilization of anion-ionophore adducts; the intramolecular H-bonding is suggested to suppress the quenching processes otherwise possible and increase the conformational rigidity of the an...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2006-01 (2), p.186-188
Main Authors: Chung, Yun Mi, Raman, Balamurali, Kim, Dae-Sik, Ahn, Kyo Han
Format: Article
Language:English
Subjects:
Anions - chemical synthesis
Anions - chemistry
Cyanides - chemistry
Dansyl Compounds - chemical synthesis
Dansyl Compounds - chemistry
Fluorescence
Hydrogen Bonding
Molecular Structure
Sensitivity and Specificity
Stereoisomerism
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Summary:Fluorescence signaling in anion binding is modulated from quenching to enhancement by intramolecular H-bonding stabilization of anion-ionophore adducts; the intramolecular H-bonding is suggested to suppress the quenching processes otherwise possible and increase the conformational rigidity of the anionic adducts, leading to fluorescence enhancement in a selective fashion towards cyanide ion, among the various anions examined.
ISSN:1359-7345
1364-548X
DOI:10.1039/b510795d