Abstract
Biodegradable elastic poly(l-lactide-co-ε-caprolactone) (PLCL) (50:50) copolymer was blended with collagen (0.05, 0.1 and 0.2% w/w) in an acidic dioxane solution to form a collagen/PLCL hybrid material suitable for tissue engineering applications. Stability and dispersivity of collagen on collagen/PLCL hybrid films and collagen coated PLCL films under mechanical stress were determined by a collagen release test and water contact angle measurement. Hybrid films had a higher stability than collagen-coated PLCL films. Elastic recovery as well as high interconnectivity and uniform pore morphology of the hybrid scaffolds were not affected by the collagen concentration. Fibroblasts (NIH-3T3) cell culture test was performed for cell growth and viability evaluation. Collagen concentration had little affect on the initial cell adhesion after 4 h cell culture; but after 48 h cell culture, increased cell proliferation on the hybrid films was observed. The hybrid material can be applied as a scaffold for vessel and cartilage regeneration for mechano-active tissue engineering.
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This work was supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD, Basic Research Promotion Fund: KRF-2006-311-E00091).
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Lim, J.I., Yu, B. & Lee, YK. Fabrication of collagen hybridized elastic PLCL for tissue engineering. Biotechnol Lett 30, 2085–2090 (2008). https://doi.org/10.1007/s10529-008-9808-0
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DOI: https://doi.org/10.1007/s10529-008-9808-0