Fig. 1From: Enhancing methane oxidation in a bioelectrochemical membrane reactor using a soluble electron mediatorFerricyanide reduction by ANME-dominated culture in batch incubations: a change in ferricyanide and ferrocyanide concentrations (mM) and b accumulation of 13CO2. 13CH4 was fed in the headspace of incubations at a partial pressure of 0.67 atmBack to article page