Compton, RG, Perkin, SJ, Gamblin, DP, Davis, J, Marken, F, Padden, AN and John, P (2000) Clostridium isatidis colonised carbon electrodes: voltammetric evidence for direct solid state redox processes. NEW JOURNAL OF CHEMISTRY, 24 (3). pp. 179-181. [Journal article]
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Bacteria are known to interact with their environment via oxidation and reduction processes driving or driven by their metabolism. These bacteriological processes are important in areas of corrosion, mining and waste treatment. However, molecular level details on how electrons are transferred between the cell and a solid reactant are not well known. In this study in situ electrochemical interrogation of redox processes in living bacteria probed with a graphite electrode yields unique mechanistic information on the reduction of solid indigo by the moderately thermophilic bacterium Clostridium isatidis. This reduction process yields the reduced form, leuco-indigo, which is an important intermediate in the dyeing industry. The process is shown to be a `true' solid state process rather than involving solubilisation of indigo. This finding has important implications for the application of bacterial-driven reduction in indigo dyeing.
|Item Type:||Journal article|
|Faculties and Schools:||Faculty of Computing & Engineering|
Faculty of Computing & Engineering > School of Engineering
|Research Institutes and Groups:||Engineering Research Institute|
Engineering Research Institute > Nanotechnology & Integrated BioEngineering Centre (NIBEC)
|Deposited By:||Professor James Davis|
|Deposited On:||01 Jul 2010 10:01|
|Last Modified:||18 Aug 2011 11:18|
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