Fig. 1From: Enhanced electrical power generation using flame-oxidized stainless steel anode in microbial fuel cells and the anodic community structureChange in the SSA surface caused by flame oxidation. a SEM images of untreated SSA (left) and FO-SSA (right). The scale bars represent 100 μm (top), 10 μm (middle), and 5 μm (bottom). b BEC image of FO-SSA. The bar represents 10 μm. c XPS profiles of untreated SSA and FO-SSABack to article page