Journal
MOLECULAR CRYSTALS AND LIQUID CRYSTALS
Volume 590, Issue 1, Pages 17-23Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/15421406.2013.873624
Keywords
collagen; chitosan; silk fibroin; polymer blends; surface properties; UV-irradiation
Funding
- Rector of Nicolaus Copernicus University, Torun [501-Ch]
- COST Action [TD 0906 EC]
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Thin films by solvent evaporation from mixture of collagen, chitosan and silk fibroin were prepared. The surface properties of biopolymeric films were investigated using technique of Atomic Force Microscopy and by means of contact angle measurements allowing the calculation of surface free energy. Measurements of the contact angle on the surface were made and surface free energy was calculated. The surface of films was modified by UV-irradiation ( = 254nm and 248nm). It was found that the surface roughness of biopolymeric films decreased with increasing UV-irradiation time. Polar component of the surface free energy increased with increasing UV-irradiation time.
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