References
- Bechtold, T., Burtscher, E., Amann, A. and Bobleter, O. (1993)Alkali-stable iron complexes as mediators for the electro-chemical reduction of dispersed organic dyestuffs, J. Chem. Soc, Faraday Trans. 89, 2451–2456.
- Bond, A.M., Marken, F., Hill, E., Compton, R.G. and HuÜgel, H. (1997) The electrochemical reduction of indigo dissolved in organic solvents and as a solid mechanically attached to a basal plane pyrolytic graphite electrode immersed in aqueous electrolyte solution, J. Chem. Soc, Perkin Trans. 2, 1735–1742.
- Campos, R., Cavaco-Paulo, A., Andreaus, J. and GuÜbitz, G. (2000) Indigo-cellulase interactions, Textile Res. J. 70, 532–536.
- Compton, R.G., Perkin, S.J., Gamblin, D.P., Davis, J., Marken, F., Padden, A.N. and John, P. (2000) Clostridium isatidis colo-nised carbon electrodes: voltammetric evidence for direct solid state redox processes, New J. Chem. 24, 179–181.
- Gilbert, K.G. and Cooke, D.T. (2001) Dyes from Plants: Past usage, present understanding and potential, Plant Growth Regul. 34, 57- 69.
- Hernandez, M.E. and Newman, D.K. (2001) Extracellular electron transfer, Cell. Mol. Life Sci. 58, 1562–1571.
- Hurry, J.G. (1930) The Woad Plant and its Dye (Oxford University Press, London).
- John, P., Arghyros, S. and Nicholson, S.K. (in press) Indigo-reducing bacteria from the medieval woad vat (Isatis tinctoria L.): some aspects of their interaction with indigo, Dyes Hist. Archaeol.
- Lovley, D.R., Coates, J.D., Blunt-Harris, E.L., Phillips, E.J.P and Woodward, J.C. (1996) Humic substances as electron accep-tors for microbial respiration, Nature 382, 445-448.
- Luu, Y.S. and Ramsay, J.A. (2003) Review: microbial mechanisms of accessing insoluble Fe(III) as an energy source, World J. Microbiol. Biotechnol. 19, 215 -225.
- Nevin, K.P and Lovley, D.R. (2000) Lack of production of electron-shuttling compounds or solubilization of Fe(III) during reduction of insoluble Fe(III) oxide by Geobacter metalliredu-cens, Appl. Environ. Microbiol. 66, 2248–2251.
- Newman, D.K. and Kolter, R. (2000) A role for excreted quinones in extracellular electron transfer, Nature 405, 94–97.
- Padden, A.N., Dillon, V.M., John, P., Edmonds, J., Collins, M.D. and Alvarez, N. (1998) Clostridium used in mediaeval dyeing, Nature 396, 225.
- Padden, A.N., Dillon, V.M., Edmonds, J., Collins, M.D., Alvarez, N. and John, P. (1999) An indigo-reducing moderate thermo-phile from a woa d vat, Clostridium isatidis sp. nov, Int. J. Syst. Bacteriol. 49, 1025–1031.
- Padden, A.N., John, P., Collins, M.D., Hutson, R. and Hall, A.R. (2000) Indigo-reducing Clostridium isatidis isolated from a variety of sources, including a tenth century Viking woad vat, J. Archaeol. Sci. 27, 953–956.
- Prado, A.G.S., Miranda, B.S. and Jacintho, G.V.M. (2003) Interac-tion of indigo carmine dye with silica modified with humic acids at solid/liquid interface, Surf. Sci. 542, 276–282. Roessler, A., Dossenbach, O. and Rys, P. (2003) Electrocatalytic hydrogenation of indigo, J. Electrochem. Soc. 150, D1–D5.
- Rosso, K.M., Zachara, J.M., Fredrickson, J.K., Gorby, Y.A. and Smith, S.C. (2003) Nonlocal bacterial electron transfer to haematite surfaces, Geochim. Cosmochim. Acta 67, 1081–1087. Straub, K.L. and Schink, B. (2003) Evaluation of electron-shuttling compounds in microbial ferric iron reduction, FEMS Micro-biol. Lett. 220, 229–233.
- Turick, C.E., Caccavo, F. and Tisa, L.S. (2003) Electron transfer from Shewanella algae BrY to hydrous ferric oxide is mediated by cell-associated melanin, FEMS Microbiol. Lett. 220, 99–104.
- Vickerstaff, T. (1954) The Physical Chemistry of Dyeing (Oliver and Boyd, London).