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UV Light as a Tool for Surface Modification of Polymeric Biomaterials

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Abstract:

UV light as a tool for surface modification of polymeric biomaterials was considered. In the present work the modification of the surface properties of collagen films, chitosan films and silk fibroin films by UV-irradiation is presented. It was found that the contact angle and the surface free energy were altered by UV-irradiation of biopolymeric films. Moreover, the surface roughness of biopolymeric films was altered by UV-irradiation. UV-irradiation caused the decrease of surface roughness of collagen films, chitosan films and silk fibroin films. KrF laser treatment caused a significant damage of the surface of biopolymeric films and due to the ablation process the micro-foam was formed. As a conclusion one can say that UV light can be used for modification of surface polarity, surface roughness and for 3D formation structure on the biopolymeric films. The modification by UV light can be save method of biomaterials treatment without any chemicals used for alterations of the surface properties.

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Periodical:

Key Engineering Materials (Volume 583)

Pages:

80-86

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.583.80

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Online since:

September 2013

Authors:

Alina Sionkowska

Keywords:

Chitosan, Collagen, Polymeric Biomaterials, Polymeric Films, Silk Fibroin, Surface Properties, UV-Treatment

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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