Together with my colleagues Robert (Bobby) Miller II, Anwar Sadek, Alvaro Rodríguez, Carla Giai, John Senko, and Chelsea N. Monty we have recently published a new article on the effect of iron reducing bacteria on corrosion of carbon steel. The main implication of this work is that partial heterogeneous coverage by Shewanella oneidensis biofilms can drastically accelerate the corrosion rate bare uncovered steel regions. We propose a mechanism in which the excess of electrons from microbial respiration drive the oxidation reaction on biofilm-free areas to maintain local charge neutrality.
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Update February 5, 2017
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