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Measurement of intrinsic properties of amyloid fibrils by the peak force QNM method

Adamcik, J., Lara, C., Usov, I., Jeong, J. S., Ruggeri, F. S., Dietler, G., Lashuel, H. A., Hamley, I. and Mezzenga, R. (2012) Measurement of intrinsic properties of amyloid fibrils by the peak force QNM method. Nanoscale, 4 (15). pp. 4426-4429. ISSN 2040-3364

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To link to this article DOI: 10.1039/c2nr30768e

Abstract/Summary

We report the investigation of the mechanical properties of different types of amyloid fibrils by the peak force quantitative nanomechanical (PF-QNM) technique. We demonstrate that this technique correctly measures the Young’s modulus independent of the polymorphic state and the cross-sectional structural details of the fibrils, and we show that values for amyloid fibrils assembled from heptapeptides, a-synuclein, Ab(1–42), insulin, b-lactoglobulin,lysozyme, ovalbumin, Tau protein and bovine serum albumin all fall in the range of 2–4 GPa.

Item Type:Article
Refereed:Yes
Divisions:Interdisciplinary centres and themes > Chemical Analysis Facility (CAF)
Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:28843
Publisher:The Royal Society of Chemistry

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