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Electrospinning of Amphipathic Chitosan Nanofibers for Surgical Implants Application

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Novel amphipathic derivative of chitosan (carboxymethyl-hexanoyl chitosan, CHC) was made into mats of nanofibers (∼100 nm) via electrospinning. The resulting mats were further cross-linked with genipin. The morphology of CHC nanofibers was examined using a field emission scanning electron microscope (FESEM). The optimum parameters of CHC nanofiber was achieved when the CHC concentration was 4 wt% and electrospinning was conducted with a voltage of 20 kV over a distance of 10 cm. The characterizations of biocompatibility, hemocompatibility, and anti-bacterial activity of the nanofibers were also investigated. The results show that CHC nanofibers still preserved antibacterial activity and thrombogeneicity owing to those residual amino groups of chitosan and exhibit high biocompatibility for L929 fibroblast test. Thus CHC exhibited the potential to serve as a novel wound dressing and surgical implants application by these advanced features.
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Document Type: Research Article

Publication date: 2012-06-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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