A Highly Potassium-Selective Ratiometric Fluorescent Indicator Based on BODIPY Azacrown Ether Excitable with Visible Light

Baruah, M.; Qin, W.; Vallée, R.A.L.; Beljonne, David; Rohand, T.; Dehaen, W.; Boens, N.

doi:10.1021/ol051603o

Article (Scientific journals)

A Highly Potassium-Selective Ratiometric Fluorescent Indicator Based on BODIPY Azacrown Ether Excitable with Visible Light

Baruah, M.; Qin, W.; Vallée, R.A.L. et al.

2005 • In Organic Letters, 7 (20), p. 4377-4380

Peer Reviewed verified by ORBi

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https://hdl.handle.net/20.500.12907/12449

DOI
10.1021/ol051603o

PubMed
16178537

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Abstract :

[en] 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 Kd 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.

Disciplines :

Physics

Author, co-author :

Baruah, M.

Qin, W.

Vallée, R.A.L.

Beljonne, David ; Université de Mons > Faculté des Sciences > Chimie des matériaux nouveaux

Rohand, T.

Dehaen, W.

Boens, N.

Language :

English

Title :

A Highly Potassium-Selective Ratiometric Fluorescent Indicator Based on BODIPY Azacrown Ether Excitable with Visible Light

Publication date :

29 September 2005

Journal title :

Organic Letters

ISSN :

1523-7060

Publisher :

American Chemical Society, United States - District of Columbia

Volume :

Issue :

Pages :

4377-4380

Peer reviewed :

Peer Reviewed verified by ORBi

Research unit :

S817 - Chimie des matériaux nouveaux

Research institute :

R400 - Institut de Recherche en Science et Ingénierie des Matériaux

Commentary :

Publié en ligne le 7 septembre 2005

Available on ORBi UMONS :

since 10 June 2010

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