Fig. 2From: Microbial fuel cell-assisted utilization of glycerol for succinate production by mutant of Actinobacillus succinogenes Screening of electron shuttlers to facilitate glycerol utilization by A. succinogenes NJ113. a Fermentations in sealed bottles by NJ113 supplemented with different concentrations of neutral red; b Fermentations in sealed bottles by NJ113 supplemented with different concentrations of riboflavin; c Fermentations in sealed bottles by NJ113 supplemented with different concentrations of methylene blueBack to article page