Abstract
Fabrication of collagen sponges from type I collagen isolated from cortical bovine femur bone is reported. Collagen was extracted with 0.1 M EDTA by refreshing the solution every 24 h for 9 days. Sodium dodecyl sulfate poly-acrylamide gel electrophoresis (SDS-PAGE) demonstrated the isolation of intact pure type I collagen. The sponges were fabricated by freeze-drying and heat-dehydration cross-linking of collagen solution. The resulting sponges showed fibrils arranged in a highly porous network. These sponges can be used for tissue engineering as well as for bone-like composite fabrication.
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Acknowledgements
We thank Ryan Anderson of CalIT2, UCSD, for help in SEM imaging. Ana Castro acknowledges the University of California Institute for Mexico and the United States (UC MEXUS-CONACyT). This work has been founded by the Ceramics Program (Grant# DMR1006931).
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Castro-CeseƱa, A.B., Novitskaya, E.E., Phadke, A., Varghese, S., McKittrick, J. (2013). Isolation of Collagen from Cortical Bovine Bone for Preparation of Porous Collagen Sponges. In: Prorok, B., et al. Mechanics of Biological Systems and Materials, Volume 5. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-4427-5_11
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DOI: https://doi.org/10.1007/978-1-4614-4427-5_11
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