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. 2015 Sep 25;6:994. doi: 10.3389/fmicb.2015.00994

FIGURE 2.

FIGURE 2

Linear sweep (LS) voltammograms for A. ferrooxidans cultivated in the presence (broken line) and absence (solid line) of Fe2+ ions (66 mM). A scan rate was 0.1 mV s-1. Initial OD500 was 0.02.