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BioMed Research International
Volume 2014, Article ID 623805, 10 pages
http://dx.doi.org/10.1155/2014/623805
Research Article

Collagen Scaffolds with Controlled Insulin Release and Controlled Pore Structure for Cartilage Tissue Engineering

1Tissue Regeneration Materials Unit, International Centre for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
2Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan

Received 13 December 2013; Accepted 20 January 2014; Published 25 February 2014

Academic Editor: Oh Hyeong Kwon

Copyright © 2014 Himansu Sekhar Nanda et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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