Smith, C., Hosseini, E. S. , Riehle, M. , Hart, A. and Dahiya, R. (2019) Piezoelectric Plastic Compressed Collagen-mesh Scaffold for Artificial Skin. In: IEEE Sensors 2019, Montreal, QC, Canada, 27-30 Oct 2019, ISBN 9781728116341 (doi: 10.1109/SENSORS43011.2019.8956582)
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Abstract
Our skin, and many other tissue types, display electrical and electromechanical properties, which play an important role in tissue regeneration and healing. This work explored a new route for artificial skin with similar properties and presents an opportunity for further enhancing tissue repair. To this end, the electrical properties and piezoelectricity of a collagen-mesh scaffold are investigated. This method has demonstrable success in the rapid fabrication of 3D tissue scaffold equivalents for a skin substitute. As hydration is known to reduce the piezoelectric response of biological materials, as well as alter the conductance and charge storage capabilities, efforts were made to characterize the scaffold in both the dehydrated and hydrated states. The measured capacitance, at 100Hz frequency, was 37nF and 0.45nF for the hydrated and dehydrated scaffold, respectively. The piezoelectric sensitivity of the dehydrated scaffold was ~17 mV N -1 which is large enough to be detected by cells. The results of this study could open a pathway for advancing human-like sense of touch in eSkin with piezoelectric collagen fibrils.
| Item Type: | Conference Proceedings |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Smith, Clara and Riehle, Dr Mathis and Dahiya, Professor Ravinder and Seyed Hosseini, Dr Ensieh and Hart, Professor Andrew |
| Authors: | Smith, C., Hosseini, E. S., Riehle, M., Hart, A., and Dahiya, R. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Molecular Biosciences College of Medical Veterinary and Life Sciences > School of Life Sciences College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| ISSN: | 2168-9229 |
| ISBN: | 9781728116341 |
| Published Online: | 13 January 2020 |
| Copyright Holders: | Copyright © 2019 IEEE |
| First Published: | First published in 2019 IEEE Sensors |
| Publisher Policy: | Reproduced in accordance with the publisher copyright policy |
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