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Title: A highly potassium-selective ratiometric fluorescent indicator based on BODIPY azacrown ether excitable with visible light
Authors: Baruah, Mukulesh ×
Qin, WW
Vallee, RAL
Beljonne, D
Rohand, Taoufik
Dehaen, Wim
Boens, Noël #
Issue Date: Sep-2005
Publisher: American Chemical Society
Series Title: Organic Letters vol:7 issue:20 pages:4377-4380
Abstract: graph A potassium-selective fluorescent BODIPY-linked azacrown ether chemosensor has been synthesized using novel substitution reactions of 3,5-dichloroBODIPY. The indicator absorbs and emits light in the visible wavelength range. The dissociation constant K-d for the complex between K+ and the probe is 0.5 mM in acetonitrile. Quantum chemical calculations show that the experimental hypsochromic shifts in absorption and fluorescence upon potassium binding are due to complexation, which induces a large conformational change of the sensor.
URI: 
ISSN: 1523-7060
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
Molecular Design and Synthesis
× corresponding author
# (joint) last author

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