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Oscillations of pH in the urea–urease system in a membrane reactor

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Abstract

Herein, we present direct experimental evidence of pH oscillatory dynamics in the urea–urease enzymatic reaction conducted in a continuous reactor–membrane–reservoir system. Our results are consistent with earlier model predictions requiring differential transport of H+ and substrate. We report oscillations with periods in hundreds of seconds and the amplitude of ∼0.1 pH units.

Graphical abstract: Oscillations of pH in the urea–urease system in a membrane reactor

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Publication details

The article was received on 31 Jan 2019, accepted on 02 Apr 2019 and first published on 02 Apr 2019


Article type: Communication
DOI: 10.1039/C9CP00630C
Citation: Phys. Chem. Chem. Phys., 2019, Advance Article

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    Oscillations of pH in the urea–urease system in a membrane reactor

    F. Muzika, M. Růžička, L. Schreiberová and I. Schreiber, Phys. Chem. Chem. Phys., 2019, Advance Article , DOI: 10.1039/C9CP00630C

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