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Life Electric—Nature as a Blueprint for the Development of Microbial Electrochemical Technologies
Uwe Schröder, Falk Harnisch Joule Volume 1, Issue 2, Pages (October 2017) DOI: /j.joule Copyright © 2017 Elsevier Inc. Terms and Conditions
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Joule 2017 1, DOI: ( /j.joule ) Copyright © 2017 Elsevier Inc. Terms and Conditions
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Figure 1 Schematic Drawing of Different Extracellular Electron Transfer Mechanisms Direct EET via membrane-bound redox enzymes, metallic-like conduction along conductive pili, redox conduction via electron hopping, and diffusive, mediated EET based on endogenous or exogenous redox molecules. Joule 2017 1, DOI: ( /j.joule ) Copyright © 2017 Elsevier Inc. Terms and Conditions
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Figure 2 Simplified Schematic Drawing of Natural (Environmental) Fuel Cells Left: the interface between water and an organic deposit (sediment) as a virtual fuel cell. Right: immersing electrodes into the system converts the virtual fuel cell into a real fuel cell device. Joule 2017 1, DOI: ( /j.joule ) Copyright © 2017 Elsevier Inc. Terms and Conditions
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Figure 3 EET Opens Microbial Metabolism toward Electrochemical Applications (A and B) Whereas in aerobic respiration (A) the microorganisms exploit the entire energy difference between electron donor and oxygen, (B) anaerobic processes involving EET lower microbial energy gain and allow extraction of electric energy. Joule 2017 1, DOI: ( /j.joule ) Copyright © 2017 Elsevier Inc. Terms and Conditions
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