Clostridium isatidis colonised carbon electrodes: voltammetric evidence for direct solid state redox processes

RG Compton, SJ Perkin, DP Gamblin, J Davis, F Marken, AN Padden, P John

    Research output: Contribution to journalArticle

    23 Citations (Scopus)

    Abstract

    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.
    LanguageEnglish
    Pages179-181
    JournalNew Journal of Chemistry
    Volume24
    Issue number3
    Publication statusPublished - Mar 2000

    Fingerprint

    Indigo Carmine
    Clostridium
    Carbon
    Bacteria
    Electrodes
    Dyeing
    Graphite electrodes
    Waste treatment
    Metabolism
    Corrosion
    Oxidation
    Oxidation-Reduction
    Electrons
    Industry

    Cite this

    Compton, RG., Perkin, SJ., Gamblin, DP., Davis, J., Marken, F., Padden, AN., & John, P. (2000). Clostridium isatidis colonised carbon electrodes: voltammetric evidence for direct solid state redox processes. New Journal of Chemistry, 24(3), 179-181.
    Compton, RG ; Perkin, SJ ; Gamblin, DP ; Davis, J ; Marken, F ; Padden, AN ; John, P. / Clostridium isatidis colonised carbon electrodes: voltammetric evidence for direct solid state redox processes. In: New Journal of Chemistry. 2000 ; Vol. 24, No. 3. pp. 179-181.
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    abstract = "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.",
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    Compton, RG, Perkin, SJ, Gamblin, DP, Davis, J, Marken, F, Padden, AN & John, P 2000, 'Clostridium isatidis colonised carbon electrodes: voltammetric evidence for direct solid state redox processes', New Journal of Chemistry, vol. 24, no. 3, pp. 179-181.

    Clostridium isatidis colonised carbon electrodes: voltammetric evidence for direct solid state redox processes. / Compton, RG; Perkin, SJ; Gamblin, DP; Davis, J; Marken, F; Padden, AN; John, P.

    In: New Journal of Chemistry, Vol. 24, No. 3, 03.2000, p. 179-181.

    Research output: Contribution to journalArticle

    TY - JOUR

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    AU - Compton, RG

    AU - Perkin, SJ

    AU - Gamblin, DP

    AU - Davis, J

    AU - Marken, F

    AU - Padden, AN

    AU - John, P

    PY - 2000/3

    Y1 - 2000/3

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    AB - 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.

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