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Protein electrochemistry using aligned carbon nanotube arrays
journal contribution
posted on 2003-07-30, 00:00 authored by J Gooding, R Wibowo, J Liu, Wenrong YangWenrong Yang, D Losic, S Orbons, F Mearns, J Shapter, D HibbertThe remarkable electrocatalytic properties and small size of carbon nanotubes make them ideal for achieving direct electron transfer to proteins, important in understanding their redox properties and in the development of biosensors. Here, we report shortened SWNTs can be aligned normal to an electrode by self-assembly and act as molecular wires to allow electrical communication between the underlying electrode and redox proteins covalently attached to the ends of the SWNTs, in this case, microperoxidase MP-11. The efficiency of the electron transfer through the SWNTs is demonstrated by electrodes modified with tubes cut to different lengths having the same electron-transfer rate constant.
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Journal
Journal of the American chemical societyVolume
125Issue
30Pagination
9006 - 9007Publisher
American Chemical SocietyLocation
Washington, DC.Publisher DOI
ISSN
0002-7863eISSN
1520-5126Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2003, American Chemical SocietyUsage metrics
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