Figure 2.

FE-SEM images for anode biofilms adhering onto graphite-fiber anodes (day 216). Arrows indicate graphite fibers, while an arrowhead indicates a cellulose fiber. The bar in panel A is 20 μm, while those in the other panels are 5 μm.

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