Figure 5

(A) The evolution of open circuit potential of two kinds of medium including minimal (medium + Z. mobilis) and modified (medium + Z. mobilis + CuCl2) mediums; The evolution of cell potential by changing open circuit to closed circuit conditions and applying an external resistance in two kinds of medium including (B) Z. mobilis cultured in the minimal medium (C) Z. mobilis cultured in the modified medium (medium + Z. mobilis + CuCl2).