Microsecond lifetime-based optical carbon dioxide sensor using luminescence resonance energy transfer

DOI to cite this document:: 10.5283/epub.21007

Neurauter, Gerhard ; Klimant, Ingo ; Wolfbeis, Otto S.

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Date of publication of this fulltext: 06 Jun 2011 11:37

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Item type:	Article
Journal or Publication Title:	Analytica Chimica Acta
Publisher:	Elsevier
Volume:	382
Page Range:	pp. 67-75
Date:	1999
Institutions:	Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik > Chemo- und Biosensorik (Prof. Antje J. Bäumner, formerly Prof. Wolfbeis)
Keywords:	Carbon dioxide; Energy transfer; Decay time sensing
Dewey Decimal Classification:	500 Science > 540 Chemistry & allied sciences
Status:	Published
Refereed:	Unknown
Created at the University of Regensburg:	Unknown
Item ID:	21007

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Abstract

A lifetime-based optical sensor for the measurement of dissolved and gaseous carbon dioxide has been developed. The basic principle is radiationless energy transfer from ruthenium(II)-4,40-diphenyl-2,20-bipyridyl as luminescent donor to thymol blue (a common pH indicator) as acceptor, both embedded in a hydrophobic matrix. In the presence of carbon dioxide thymol blue is protonated and changes ...

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