Journal
BIOELECTROCHEMISTRY
Volume 78, Issue 1, Pages 92-95Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.bioelechem.2009.09.010
Keywords
Aerobic biofilms; Electron transfer; Graphite electrode
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It is known that electron transfer processes exist between microorganisms and electrodes Many anaerobic bacteria, which can transfer electrons to solid electrodes, had been identified However, little attention has been paid to the interactions between aerobic biofilms and electrodes In this study, marine biofilms formation on graphite electrodes was characterized by open circuit potential and field emission scanning electron microscopy Electron transfer between marine aerobic biofilms and graphite electrodes was investigated primarily by cyclic voltammograms and electrochemical Impedance spectroscopy techniques. Herein, we suggest that marine biofilms are a kind of conductive biofilms that can transfer electrons to graphite electrodes under anaerobic and aerobic conditions Some cytochrome species in bacterial biofilms may play a key role in the electron transfer process (C) 2009 Elsevier B V. All rights reserved
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