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Please use this identifier to cite or link to this item: http://hdl.handle.net/10092/5093

Title: Development of novel nanostructured electrodes for biological applications
Authors: Garrett, David John
Keywords: Electrochemistry
Carbon nanotube
Issue Date: 2011
Abstract: This thesis describes the development and testing of a range of electrodes designed to be able to measure electrical current produced by the respiration of bacteria in direct contact with the electrode surface. The electrodes are designed to directly wire into redox processes in the cytoskeleton of the bacteria so that electron transfer can be measured in real time without the need for solution based mediator molecules. The rate of electron transfer from the bacteria is enhanced by nanostructuring the surface of graphite electrodes with vertically aligned single and multiwalled carbon nanotubes (CNTs) and covalently coupling mediator molecules to the CNT tips. A selection of the prepared electrodes are tested with the non-electrogenic bacteria Proteus vulgaris and Bacillus subtilis to demonstrate the potential of the electrode designs to be used with a wide range of microbial species.
Publisher: University of Canterbury. Chemistry
Degree: Doctor of Philosophy
URI: http://hdl.handle.net/10092/5093
Rights: Copyright David John Garrett
Rights URI: http://library.canterbury.ac.nz/thesis/etheses_copyright.shtml
Appears in Collections:Science: Theses and Dissertations

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