Butt, Julea N. and Armstrong, Fraser A. (2004) Voltammetry of adsorbed redox enzymes: mechanisms in the potential dimension. In: Bioinorganic Electrochemistry. Springer, pp. 91-128. ISBN 978-1402064999
Diaz-Mireles, E., Wexler, M., Sawers, G., Bellini, D., Todd, J. D. and Johnston, A. W. B. (2004) The Fur-like protein Mur of Rhizobium leguminosarum is a Mn2+ responsive transcriptional regulator. Microbiology, 150 (5). pp. 1447-1456. ISSN 1465-2080
Gwyer, J, Angove, H, Richardson, D.J. and Butt, Julea (2004) Redox-triggered events in cytochrome c nitrite reductase. Bioelectrochemistry, 63 (1-2). pp. 43-47. ISSN 1878-562X
Hubbard, Penny L., Oganesyan, Vasily, Sulaimanov, Nail, Butt, Julea and Jayasooriya, Upali A (2004) Avoided level crossing muon spectroscopy of free radicals formed by muonium addition to the constituents of DNA. The Journal of Physical Chemistry A, 108 (42). pp. 9302-9309. ISSN 1520-5215
Jepson, Brian J. N., Anderson, Lee J., Rubio, Louis J., Taylor, Claire J., Butler, Clive S., Flores, Enrique, Herrero, Antonia, Butt, Julea N. and Richardson, David J. (2004) Tuning a nitrate reductase for function: The first spectropotentiometric characterization of a bacterial assimilatory nitrate reductase reveals novel redox properties. The Journal of Biological Chemistry, 279 (31). pp. 32212-32218. ISSN 1083-351X
Yeoman, K.H., Curson, A.R.J., Todd, J.D., Sawers, G. and Johnston, A.W.B. (2004) Evidence that the Rhizobium regulatory protein rirA binds to cis-acting iron-responsive operators (IROs) at promoters of some Fe-regulated genes. Microbiology, 150 (12). pp. 4065-4074. ISSN 1350-0872