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Strategies To Design pH Optodes with Luminescence Decay Times in the Microsecond Time Regime

Kosch, Ute, Klimant, Ingo, Werner, Tobias and Wolfbeis, Otto S. (1998) Strategies To Design pH Optodes with Luminescence Decay Times in the Microsecond Time Regime. Analytical Chemistry 70 (18), pp. 3892-3897.

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Abstract

We present the first optical pH sensor with luminescence decay times longer than 1 μs. It is based on radiationless energy transfer from a luminescent ruthenium(II) complex as the donor to a colored pH indicator as the acceptor. The metal−ligand complex ruthenium(II) tris-4,4‘-diphenyl-2,2‘-bipyridyl was selected as the donor, and bromothymol blue and a reactive azo dye were selected as ...

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Item type:Article
Date:1998
Institutions:Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik > Chemo- und Biosensorik (Prof. Antje J. Bäumner, formerly Prof. Wolfbeis)
Identification Number:
ValueType
10.1021/ac971282xDOI
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Item ID:20455
Owner only: item control page

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