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Long-lifetime based pH micro-optodes without oxygen interference

Kosch, Ute, Klimant, Ingo and Wolfbeis, Otto S. (1999) Long-lifetime based pH micro-optodes without oxygen interference. Fresenius' Journal of Analytical Chemistry 364 (1-2), pp. 48-53.

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Abstract

The first decay time-based fiber optic pH microsensors are presented which are without cross-sensitivity to molecular oxygen. They are based on radiationless energy transfer from the donor ruthenium(II)-tris(1,10-phenanthroline) to a pH-sensitive sulfonephthalein acceptor dye. The microsensors have decay times in the microsecond range, a fact that makes them compatible with existing devices ...

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Item type:Article
Date:1999
Institutions:Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik > Chemo- und Biosensorik (Prof. Antje J. Bäumner, formerly Prof. Wolfbeis)
Identification Number:
ValueType
10.1007/s002160051299DOI
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Item ID:21069
Owner only: item control page

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