Devices that exploit electricity produced by electroactive bacteria such as Geobacter sulfurreducens have not yet been demonstrated beyond the laboratory scale. The current densities are far from the maximum that the ...

Electroactive bacterial biofilms can be produced on a polarized electrode by forcing its use as the final electron acceptor for bacterial respiration. This strategy offers the researcher the unique possibility to control ...

The outstanding capacity of Geobacter sulfurreducens cells to directly connect their inner electron transport chain to a polarized electrode have prompted the application of a wide arrange of electrochemical techniques to ...

The mechanism of electron transport in Geobacter sulfurreducensbiofilms is a topic under intense study and debate. Although some proteins were found to be essential for current production, the specific role that each one ...

We report here an . in-vivo, non-invasive, depth profiling study on an electrically-active biofilm by Confocal Raman Microscopy. Films based on . Geobacter sulfurreducens bacteria were grown onto an indium tin oxide (ITO) ...

The possibility to improve the connection of cells to the electrode is significant for microbial fuel cell technology. In this communication we demonstrate that an improved connection can be made by controlling the ...

An electrical model able to decouple the electron pathway from microbial cell machinery impedance terms is introduced. In this context, capacitance characteristics of the biofilm are clearly resolved. In other words, the ...