Fig. 2From: Electricity generation from rice bran in microbial fuel cellsEvaluation of MFCs fueled by rice bran. a Representative polarization (J/E) and power (J/P) curves for MFC-W and MFC-M. b A comparison of P max between MFC-W and MFC-M. Datum bars indicate mean values and error bars indicate SD (n = 3)Back to article page