Nanoscale Piezoelectric Properties of Self-Assembled Fmoc-FF Peptide Fibrous Networks

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Title: Nanoscale Piezoelectric Properties of Self-Assembled Fmoc-FF Peptide Fibrous Networks
Authors: Ryan, KateBeirne, JasonRedmond, GarethKilpatrick, J. I.Guyonnet, JillBuchete, Nicolae-ViorelKholkin, Andrei L.Rodriguez, Brian J.
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Date: 21-May-2015
Online since: 2021-03-02T17:27:21Z
Abstract: Fibrous peptide networks, such as the structural framework of self-assembled fluorenylmethyloxycarbonyl diphenylalanine (Fmoc-FF) nanofibrils, have mechanical properties that could successfully mimic natural tissues, making them promising materials for tissue engineering scaffolds. These nanomaterials have been determined to exhibit shear piezoelectricity using piezoresponse force microscopy, as previously reported for FF nanotubes. Structural analyses of Fmoc-FF nanofibrils suggest that the observed piezoelectric response may result from the noncentrosymmetric nature of an underlying β-sheet topology. The observed piezoelectricity of Fmoc-FF fibrous networks is advantageous for a range of biomedical applications where electrical or mechanical stimuli are required.
Funding Details: European Commission - European Regional Development Fund
European Commission - Seventh Framework Programme (FP7)
Science Foundation Ireland
Funding Details: Programme for Research in Third Level Institutions
Type of material: Journal Article
Publisher: American Chemical Society
Journal: ACS Applied Materials and Interfaces
Volume: 7
Issue: 23
Start page: 12702
End page: 12707
Copyright (published version): 2015 American Chemical Society
Keywords: FluorenesAmino AcidsPhenylalaninePeptidesBiocompatible materialsHydrogelsAtomic force microscopyCircular dichroismNanofibers
DOI: 10.1021/acsami.5b01251
Language: en
Status of Item: Peer reviewed
ISSN: 1944-8244
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Appears in Collections:Conway Institute Research Collection
Physics Research Collection
CASL Research Collection
Chemistry Research Collection

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