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Novel optical pH-sensor based on a boradiaza-indacene derivative

Werner, T., Huber, Ch., Heinl, S., Kollmannsberger, M., Daub, J. and Wolfbeis, Otto S. (1997) Novel optical pH-sensor based on a boradiaza-indacene derivative. Fresenius' Journal of Analytical Chemistry 359 (2), pp. 150-154.

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A pH-optode is described based on 1, 3, 5, 7-tetramethyl-8-(4-dimethylamino)-4-difluorobora-3a, 4a-diaza-(s)-indacene (1) immobilized in a hydrogel matrix. Its uncharged form is non-fluorescent, whereas the protonated form displays strong emission. The quenching of the emission can be mechanistically explained by a PET (photoinduced electron transfer) from the dimethylamino group to the ...


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Item type:Article
Institutions:Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik > Chemo- und Biosensorik (Prof. Antje J. Bäumner, formerly Prof. Wolfbeis)
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Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Created at the University of Regensburg:Unknown
Item ID:21082
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