By Haluk Beyenal, Jerome T. Babauta
This ebook serves as a guide of study strategies for electrochemically lively biofilm examine. utilizing examples from genuine biofilm learn to demonstrate the suggestions used for electrochemically energetic biofilms, this ebook is of such a lot use to researchers and educators learning microbial gas telephone and bioelectrochemical structures. The e-book emphasizes the theoretical rules of bioelectrochemistry, experimental tactics and instruments beneficial in quantifying electron move approaches in biofilms, and mathematical modeling of electron move in biofilms. it really is divided into 3 sections:
- Biofilms: Microbiology and microbioelectrochemistry - makes a speciality of the microbiologic element of electrochemically energetic biofilms and information the most important issues of biofilm coaching and electrochemical measurement
- Electrochemical suggestions to check electron move techniques - makes a speciality of electrochemical characterization and knowledge interpretation, highlighting key elements within the experimental approaches that have an effect on reproducibility
- Applications - specializes in purposes of electrochemically lively biofilms and improvement of customized instruments to review electrochemically lively biofilms. Chapters aspect the best way to construct the reactors for functions and degree parameters
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Additional resources for Biofilms in bioelectrochemical systems : from laboratory practice to data interpretation
Oxygen reduction kinetics on graphite cathodes in sediment microbial fuel cells. Phys Chem Chem Phys 2011;13:21573–21584. 99. Jadhav GS, Ghangrekar MM. Performance of microbial fuel cell subjected to variation in pH, temperature, external load and substrate concentration. Bioresour Technol 2009;100:717–723. 100. Zhang L, Zhu X, Li J, Liao Q, Ye DD. Biofilm formation and electricity generation of a microbial fuel cell started up under different external resistances. J Power Sources 2011;196:6029–6035.
Nano Lett 2013;13:2407–2411. 14. Malvankar NS, Vargas M, Nevin KP, Franks AE, Leang C, Kim BC, Inoue K, Mester T, Covalla SF, Johnson JP, Rotello VM, Tuominen MT, Lovley DR. Tunable metallic-like conductivity in microbial nanowire networks. Nat Nanotechnol 2011;6:573–579. 15. Marsili E, Baron DB, Shikhare ID, Coursolle D, Gralnick JA, Bond DR. Shewanella secretes flavins that mediate extracellular electron transfer. Proc Natl Acad Sci U S A 2008;105:3968–3973. 16. Peng L, You SJ, Wang JY. Electrode potential regulates cytochrome accumulation on Shewanella oneidensis cell surface and the consequence to bioelectrocatalytic current generation.
A mini-review covering these techniques has been written for biological systems . Only recently, however, has spectroelectrochemistry been used for in situ measurements of the redox state of cytochromes in thick, pregrown EABs in which extracellular electron transfer through the biofilm matrix was studied. It was shown that the c-type cytochromes inside thick G. sulfurreducens biofilms probed under nonturnover conditions were completely reduced at polarization potentials below −350 mVSHE and completely oxidized at potentials above +100 mVSHE , demonstrating long-range extracellular electron transfer through the cytochrome network .
Biofilms in bioelectrochemical systems : from laboratory practice to data interpretation by Haluk Beyenal, Jerome T. Babauta