Figure 4: Detailed analysis of the stepwise current output.
From: Probing single- to multi-cell level charge transport in Geobacter sulfurreducens DL-1

(a) Short-circuit current data from electrode A from well 1 within the first 6.5 h. The arrows indicate the steps analysed in Fig. 4b,c. Inset: statistic analysis of the amplitude distribution of the current steps in Fig. 4a. (b,c) Evolution of in situ phase-contrast images of DL-1 cells on and around the measured electrode when a 82-fA (b) and 185-fA (c) step occurs, respectively. The current changes recorded at the same time are also included, and the cells that contact electrode concurrently with these current increases are marked in red.