The chemical and electrochemical gradients in biofilms play a critical role in electron-transfer processes between cells and a solid electron acceptor. Most of the time, electron-transfer processes have been investigated in the bulk phase, for a biofilm electrode or for an isolated component of a biofilm. Currently, the knowledge of chemical and electrochemical gradients in living biofilms respiring on a solid surface is limited. We believe the chemical and electrochemical gradients are critical for explaining electron-transfer mechanisms. The bulk conditions, an isolated part of a biofilm or a single cell cannot be used to explain electron-transfer mechanisms in biofilm systems. In addition, microscale gradients explain how the reactor configuration plays a critical role in electron-transfer processes.
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December 2012
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Conference Article|
November 21 2012
Microscale gradients and their role in electron-transfer mechanisms in biofilms
Haluk Beyenal;
Haluk Beyenal
1
1The Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA 99163, U.S.A.
1To whom correspondence should be addressed (emailbeyenal@wsu.edu).
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Jerome T. Babauta
Jerome T. Babauta
1The Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA 99163, U.S.A.
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Publisher: Portland Press Ltd
Received:
May 01 2012
Online ISSN: 1470-8752
Print ISSN: 0300-5127
© 2012 The Authors Journal
2012
Biochem Soc Trans (2012) 40 (6): 1315–1318.
Article history
Received:
May 01 2012
Citation
Haluk Beyenal, Jerome T. Babauta; Microscale gradients and their role in electron-transfer mechanisms in biofilms. Biochem Soc Trans 1 December 2012; 40 (6): 1315–1318. doi: https://doi.org/10.1042/BST20120105
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