Pyrophosphate selective fluorescent chemosensors based on coumarin-DPA-Cu(II) complexes

Title
Pyrophosphate selective fluorescent chemosensors based on coumarin-DPA-Cu(II) complexes
Authors
김민정K. M. K. Swamy이경미Arun R. Jagdale김영미김성진유경호윤주영
Issue Date
2009-12
Publisher
Chemical communications
Citation
VOL 2009, NO 46, 7215-7217
Abstract
In conclusion, two new coumarin-based receptors bearing a Cu2+ centre were investigated as selective fluorescent chemosensors for PPi over other anions in a 100% aqueous solution, particularly ATP, ADP, AMP and Pi. Both sensors displayed selective fluorescence enhancement with PPi. In particular, 2 showed a large ‘‘Off-On’’ change (~20 fold). The X-ray crystal structures of 1 and 2 were examined and their different coordinating geometries were compared. It was demonstrated that one Cu2+ binding site with an appropriate ligand can provide good selectivity for PPi over ATP, ADP, AMP and Pi, which will be important for designing PPi sensors in the future.
URI
http://pubs.kist.re.kr/handle/201004/36925
ISSN
1359-7345
Appears in Collections:
KIST Publication > Article
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