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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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Mechanisms and dynamics of protein clustering on a solid surface

Mulheran, P.A. and Pellenc, D. and Bennett, R.A. and Green, R.J. and Sperrin, M. (2008) Mechanisms and dynamics of protein clustering on a solid surface. Physical Review Letters, 100 (6). ISSN 0031-9007

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Abstract

A methodology for discovering the mechanisms and dynamics of protein clustering on solid surfaces is presented. In situ atomic force microscopy images are quantitatively compared to Monte Carlo simulations using cluster statistics to differentiate various models.We study lysozyme adsorption on mica as a model system and find that all surface-supported clusters are mobile, not just the monomers, with diffusion constant inversely related to cluster size. The surface monomer diffusion constant is measured to be D-1 similar to 9x10(-16)cm(2) s(-1), such a low value being difficult to measure using other techniques.