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The homopolymer, poly(3-hydroxyoctanoate), P(3HO), as a matrix material for soft tissue engineering

Record type: Article

The homopolymer poly(3-hydroxyoctanoate), P(3HO) produced from Pseudomonas mendocina using octanoate as carbon feed was studied as a potential biomaterial for soft tissue engineering i.e. as cardiac patch and as matrices for skin tissue engineering. The polymer was fabricated into neat solvent cast films of 5 and 10 wt %. Microstructural studies revealed the films as having smooth surface topography with a root mean square (RMS) value of 0.238 µm. The films also possessed moderate hydrophilicity when compared to other monomers of the PHA family. Stress-strain curves of the films obtained was typical of that of elastomeric polymers. This elastomeric and flexible nature of the films makes them promising candidates for the proposed applications. Biocompatibility studies using the HaCaT keratinocyte cell line showed that the films were able to support the attachment, differentiation and maturation of the HaCaT cells. In vitro degradation studies over a period of 4 months showed that the water absorption and weight loss increased progressively with time for the films. The films underwent hydrolytic degradation initiated on the surface and also showed an ageing effect.

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Citation

Rai, Ranjana, Boccaccini, Aldo R., Knowles, Jonathan C., Mordon, Nicola, Salih, Vehid, Locke, Ian C., Moshrefi-Torbati, M., Keshavarz, Tajalli and Roy, Ipsita (2011) The homopolymer, poly(3-hydroxyoctanoate), P(3HO), as a matrix material for soft tissue engineering [in special issue: Contributions from the 5th International Conference on Times of Polymers (TOP) and Composites, Ischia, Italy, June 20-23, 2010] Journal of Applied Polymer Science, 122, (6), pp. 3606-3617. (doi:10.1002/app.34772).

More information

Published date: 10 August 2011
Organisations: Electro-Mechanical Engineering

Identifiers

Local EPrints ID: 185295
URI: http://eprints.soton.ac.uk/id/eprint/185295
ISSN: 0021-8995
PURE UUID: 9f52f433-4922-43e0-832c-4bc676d9026f

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Date deposited: 10 May 2011 10:39
Last modified: 18 Jul 2017 11:49

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Contributors

Author: Ranjana Rai
Author: Aldo R. Boccaccini
Author: Jonathan C. Knowles
Author: Nicola Mordon
Author: Vehid Salih
Author: Ian C. Locke
Author: Tajalli Keshavarz
Author: Ipsita Roy

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