Electricity generation by Geobacter sulfurreducens attached to gold electrodes

The versatility of gold for electrode manufacture suggests that it could be an ideal material for some microbial fuel cell applications. However, previous studies have suggested that microorganisms that readily transfer electrons to graphite do not transfer electrons to gold. Investigations with Geo...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 24(2008), 8 vom: 15. Apr., Seite 4376-9
1. Verfasser: Richter, Hanno (VerfasserIn)
Weitere Verfasser: McCarthy, Kevin, Nevin, Kelly P, Johnson, Jessica P, Rotello, Vincent M, Lovley, Derek R
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S. Gold 7440-57-5
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520 |a The versatility of gold for electrode manufacture suggests that it could be an ideal material for some microbial fuel cell applications. However, previous studies have suggested that microorganisms that readily transfer electrons to graphite do not transfer electrons to gold. Investigations with Geobacter sulfurreducens demonstrated that it could grow on gold anodes producing current nearly as effectively as with graphite anodes. Current production was associated with the development of G. sulfurreducens biofilms up to 40 microm thick. No current was produced if pilA, the gene for the structural protein of the conductive pili of G. sulfurreducens, was deleted. The finding that gold is a suitable anode material for microbial fuel cells offers expanded possibilities for the construction of microbial fuel cells and the electrochemical analysis of microbe-electrode interactions 
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700 1 |a Rotello, Vincent M  |e verfasserin  |4 aut 
700 1 |a Lovley, Derek R  |e verfasserin  |4 aut 
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