Bioelectric Energy Sources bioenergy 16 metabolism 12 Electrodes 10 electrode 10 microbiology 10 article 8 electrochemistry 8 nonhuman 8 Escherichia coli 6 MFC 6 Oxidation-Reduction 6 Oxygen 6 electricity 6 electron transport 6 microbial fuel cell 6 oxidation reduction reaction 6 oxygen 6 Analytical applications 4 Article 4 Biochemical oxygen demand 4 Biofilms 4 Biological Assay 4 Carbon 4 Cathodes 4 Cyclic voltammetry 4 Electricity 4 Electrolytic reduction 4 Enzymes 4 Equipment Design 4