Calcium phosphate coated electrospun fiber matrices as scaffolds for bone tissue engineering

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Nandakumar, Anandkumar and Yang, Liang and Habibovic, Pamela and Blitterswijk, Clemens van (2010) Calcium phosphate coated electrospun fiber matrices as scaffolds for bone tissue engineering. Langmuir, 26 (10). pp. 7380-7387. ISSN 0743-7463

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Abstract:Electrospun polymeric scaffolds are used for various tissue engineering applications. In this study, we applied a biomimetic coating method to provide electrospun scaffolds from a block copolymer-poly(ethylene oxide terephthalate)−poly(buthylene terephthalate), with a calcium phosphate layer to improve their bioactivity in bone tissue engineering. The in vitro studies with human mesenchymal stem cells demonstrated cell proliferation on both uncoated and coated samples. No significant effect of calcium phosphate coating was observed on the expression of alkaline phosphatase in vitro. Implantation of scaffold−goat mesenchymal stem cells constructs subcutaneously in nude mice resulted in bone formation in the calcium phosphate coated samples, in contrast to the uncoated ones, where no new bone formation was observed. The results of this study showed that the biomimetic method can successfully be used to coat electrospun scaffolds with a calcium phosphate layer, which improved the in vivo bioactivity of the polymer.
Item Type:Article
Copyright:© 2010 American Chemical Society
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/80797
Official URL:http://dx.doi.org/10.1021/la904406b
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