Large-scale production of a ternary composite nanofiber membrane for wound dressing applications

In this study, chitosan/polyvinyl alcohol binary and tannic acid/chitosan/polyvinyl alcohol ternary composite nanofiber membranes from chitosan citric acid salt aqueous solutions without the use of toxic solvents through Forcespinning® technology were successfully mass produced. Chitosan is being wi...

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Bibliographic Details
Published in:Journal of bioactive and compatible polymers 2014-11, Vol.29 (6), p.646-660
Main Authors: Xu, Fenghua, Weng, Baicheng, Materon, Luis A, Gilkerson, Robert, Lozano, Karen
Format: Article
Language:English
Subjects:
Antiinfectives and antibacterials
Applied sciences
Biocompatibility
Biological and medical sciences
Chitosan
Dressing
Escherichia coli
Exact sciences and technology
Fibers and threads
Forms of application and semi-finished materials
Medical sciences
Membranes
Nanostructure
Polymer industry, paints, wood
Polyvinyl alcohols
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Tannic acid
Technology of polymers
Technology. Biomaterials. Equipments
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Summary:In this study, chitosan/polyvinyl alcohol binary and tannic acid/chitosan/polyvinyl alcohol ternary composite nanofiber membranes from chitosan citric acid salt aqueous solutions without the use of toxic solvents through Forcespinning® technology were successfully mass produced. Chitosan is being widely evaluated as a wound dressing material based on its biocompatibility, biodegradability, and antibacterial properties. Tannic acid has been applied as a drug for the treatment of wounds due to its astringent, antioxidant, hemostatic, and antibacterial properties. The ternary composite nanofiber membranes were in situ crosslinked to become water stable, in order to be used as wound dressings. The morphology, structure, water stability, water absorption capability, and thermal and mechanical properties of the composite nanofibers were characterized. The antibacterial activity was evaluated by the viable cell-counting method. The ternary composite nanofibers demonstrated synergistic antibacterial activity against Escherichia coli. The ternary composite membranes were found to be beneficial to the adhesion and development of fibroblast cells. These composite nanofiber membranes have the potential to be used in wound dressing applications.
ISSN:0883-9115
1530-8030
DOI:10.1177/0883911514556959