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Actin Filament Motility Induced Variation of Resonance Frequency and Rigidity of Polymer Surfaces Studied by Quartz Crystal Microbalance
Linnaeus University, Faculty of Science and Engineering, School of Natural Sciences.ORCID iD: 0000-0003-2819-3046
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2012 (English)In: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 28, no 42, 15033-15037 p.Article in journal (Refereed) Published
Abstract [en]

This contribution reports on the quantification of the parameters of the motility assays for actomyosin system using a quartz crystal microbalance (QCM). In particular, we report on the difference in the observed resonance frequency and dissipation of a quartz crystal when actin filaments are stationary as opposed to when they are motile. The changes in QCM measurements were studied for various polymer-coated surfaces functionalized with heavy meromyosin (HMM). The results of the QCM experiments show that the HMM-induced sliding velocity of actin filaments is modulated by a combination of the viscoelastic properties of the polymer layer including the HMM motors.

Place, publisher, year, edition, pages
2012. Vol. 28, no 42, 15033-15037 p.
National Category
Biochemistry and Molecular Biology
Research subject
Natural Science, Biomedical Sciences
Identifiers
URN: urn:nbn:se:lnu:diva-22697DOI: 10.1021/la302717yISI: 000310103100025Scopus ID: 2-s2.0-84867825623OAI: oai:DiVA.org:lnu-22697DiVA: diva2:574447
Available from: 2012-12-05 Created: 2012-12-05 Last updated: 2017-12-07Bibliographically approved

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Persson, MalinMånsson, Alf

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