High-performance multifunctional graphene-PLGA fibers: toward biomimetic and conducting 3D scaffolds

Esrafilzadeh, Dorna, Jalili, Rouhollah, Stewart, Elise M., Aboutalebi, Seyed H., Razal, Joselito M., Moulton, Simon E. and Wallace, Gordon G. 2016, High-performance multifunctional graphene-PLGA fibers: toward biomimetic and conducting 3D scaffolds, Advanced functional materials, vol. 26, no. 18, pp. 3105-3117, doi: 10.1002/adfm.201505304.

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Title High-performance multifunctional graphene-PLGA fibers: toward biomimetic and conducting 3D scaffolds
Author(s) Esrafilzadeh, Dorna
Jalili, Rouhollah
Stewart, Elise M.
Aboutalebi, Seyed H.
Razal, Joselito M.ORCID iD for Razal, Joselito M. orcid.org/0000-0002-9758-3702
Moulton, Simon E.
Wallace, Gordon G.
Journal name Advanced functional materials
Volume number 26
Issue number 18
Start page 3105
End page 3117
Total pages 13
Publisher Wiley
Place of publication London, Eng.
Publication date 2016-05-10
ISSN 1616-301X
Keyword(s) graphene-PLGA fibers
cytocompatible materials
tissue regeneration
Science & Technology
Physical Sciences
Chemistry, Multidisciplinary
Chemistry, Physical
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Physics, Applied
Physics, Condensed Matter
Science & Technology - Other Topics
Materials Science
Summary The development of electrically conducting fibers based on known cytocompatible materials is of interest to those engaged in tissue regeneration using electrical stimulation. Herein, it is demonstrated that with the aid of rheological insights, optimized formulations of graphene containing spinnable poly(lactic-co-glycolic acid) (PLGA) dopes can be made possible. This helps extend the general understanding of the mechanics involved in order to deliberately translate the intrinsic superior electrical and mechanical properties of solution-processed graphene into the design process and practical fiber architectural engineering. The as-produced fibers are found to exhibit excellent electrical conductivity and electrochemical performance, good mechanical properties, and cellular affinity. At the highest loading of graphene (24.3 wt%), the conductivity of as-prepared fibers is as high as 150 S m-1 (more than two orders of magnitude higher than the highest conductivity achieved for any type of nanocarbon-PLGA composite fibers) reported previously. Moreover, the Young's modulus and tensile strength of the base fiber are enhanced 647- and 59-folds, respectively, through addition of graphene.
Language eng
DOI 10.1002/adfm.201505304
Field of Research 091012 Textile Technology
091202 Composite and Hybrid Materials
100708 Nanomaterials
Socio Economic Objective 860406 Synthetic Fibres
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID FT130100380
Copyright notice ©2016, Wiley-VCH Verlag GmbH & Co. KGaA Weinheim
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083893

Document type: Journal Article
Collections: Institute for Frontier Materials
GTP Research
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