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. 2002 Mar;68(3):1204–1210. doi: 10.1128/AEM.68.3.1204-1210.2002

FIG. 2.

FIG. 2.

Theoretical concentration gradients through the reaction space of the sensor. Oxidation of VFAs results in the production of N2O, which is detected by the transducer. The N2O sensor measures the flux of N2O to the cathode.