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Electron transfer in ferritin as probed by muon spin relaxtion

Telling, Mark and Kilcoyne, Susan H. (2012) Electron transfer in ferritin as probed by muon spin relaxtion. Physics Procedia, 30. pp. 86-90. ISSN 1875-3892

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Abstract

Electron-transfer processes play a vital role in many biological phenomena, from energy storage to photosynthesis. Positive muons allow such transfer processes in macromolecules, such as proteins, to be probed on a microscopic level. We have used this probe via muon spin relaxation (μSR) to investigate electron-transfer processes in ferritin; the normal iron storage protein. Data collected at finite fields is well described using the Risch-Kehr model at all measured temperatures with inter and intra-chain diffusion rates of 109 and 1011 rad s-1 being determined respectively. The results are compared to similar measurements on other proteins.

Item Type: Article
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Schools: School of Applied Sciences
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Depositing User: Sara Taylor
Date Deposited: 06 Dec 2011 13:38
Last Modified: 02 Aug 2012 11:38
URI: http://eprints.hud.ac.uk/id/eprint/12089

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