Fig. 5

The equivalent circuit of the system when yeast is present or absent. VEEI, Vsol, and Vrecord are the interface overpotential, bulk voltage, and the voltage recorded by recording electrodes (electrodes 3 and 4).

The equivalent circuit of the system when yeast is present or absent. VEEI, Vsol, and Vrecord are the interface overpotential, bulk voltage, and the voltage recorded by recording electrodes (electrodes 3 and 4).