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The paper explores electron transfer mechanisms between microorganisms and electrodes in bioelectrochemical systems, particularly in wastewater treatment, and identifies key factors influencing these interactions.

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FUNDAMENTAL

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Abstract

Key findings

  • Microorganisms play a crucial role in facilitating electron transfer between electrodes and wastewater, with certain species exhibiting enhanced electrochemical activity.
  • The presence of extracellular polymeric substances (EPS) and biofilms significantly impacts electron transfer efficiency and stability in bioelectrochemical systems.
  • Cathodic and anodic electron transfer mechanisms differ, with cathodic reactions often involving direct electron transfer and anodic reactions involving indirect electron transfer via redox mediators.

Keywords

Electron transferElectron acceptorRedoxMicrobial fuel cellElectrochemistryAnode

Identifiers

DOI
10.1007/s12566-012-0033-x
Journal
Bioanalytical Reviews
Year
2012