Figure 3.

Magnified FE-SEM images for biofilms adhering onto graphite-fiber anodes. Anode biofilms enriched from the rice paddy field soil were shown in panels A and B, while Geobacter biofilms were shown in panels C and D. Bars are 500 nm.

Ishii et al. BMC Microbiology 2008 8:6   doi:10.1186/1471-2180-8-6
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