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  5. Piezoelectricity in collagen type II fibrils measured by scanning probe microscopy
 
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Piezoelectricity in collagen type II fibrils measured by scanning probe microscopy

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Author(s)
Denning, Denise 
Kilpatrick, J. I. 
Hsu, T. 
Rodriguez, Brian J. 
et al. 
Uri
http://hdl.handle.net/10197/5892
Date Issued
11 August 2014
Date Available
26T09:08:25Z September 2014
Abstract
The converse piezoelectric effect in collagen type II fibrils, the main collagen constituent in cartilage, was investigated using piezoresponse force microscopy. The fibrils exhibited shear piezoelectric behavior similar to that previously reported in collagen type I fibrils and followed the same cantilever-fibril angle dependence present for type I. A uniform polarization directed from the amine to carboxyl termini, as seen for collagen type I, was observed in all type II fibrils studied. The shear piezoelectric coefficient, d 15, however, for type II was roughly 28–32% of the value measured for type I fibrils. Possible explanations for the reduced piezoelectric coefficient of type II collagen are provided.
Sponsorship
Science Foundation Ireland
Other Sponsorship
NANOREMEDIES
Programme for Research in Third Level Institutions Cycle 5
European Regional Development Fund
Type of Material
Journal Article
Publisher
American Institute of Physics
Journal
Journal of Applied Physics
Volume
116
Issue
066818
Copyright (Published Version)
2014 AIP Publishing LLC
Keywords
  • Piezoelectric materia...

  • Piezoresponse force m...

DOI
10.1063/1.4891400
Language
English
Status of Item
Peer reviewed
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Owning collection
Physics Research Collection
Scopus© citations
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Feb 5, 2023
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