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Open Access research that challenges the mind...

The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including those from the School of Psychological Sciences & Health - but also papers by researchers based within the Faculties of Science, Engineering, Humanities & Social Sciences, and from the Strathclyde Business School.

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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.