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. 2016 Jan 29;11(1):e0147899. doi: 10.1371/journal.pone.0147899

Fig 2. Galvanic current, lactate concentrations, and Fe(II) concentrations measured in split-chamber incubations.

Fig 2

Env. 1 indicates incubations that received S. oneidensis in the WE1 chamber after 2 d of preincubation, and Control 3 indicates incubations that did not receive inoculation. Lactate and dissolved Fe(II) concentrations are shown in both the WE1 and WE2 chambers. Panels A-C illustrate configuration of split-chamber incubations and ZRA measurements, as well the proposed redox processes that are hypothesized to occur during different phases (A-C) of the incubations.