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Trans Tech Publications, Key Engineering Materials, (309-311), p. 927-930, 2006

DOI: 10.4028/www.scientific.net/kem.309-311.927

Trans Tech Publications, Key Engineering Materials, p. 927-930

DOI: 10.4028/0-87849-992-x.927

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Innovative Technique for the Preparation of Porous Bilayer Hydroxyapatite/Chitosan Scaffolds for Osteochondral Applications

Journal article published in 2006 by J. Miguel Oliveira ORCID, S. S. Silva, João F. Mano, Rui L. Reis
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

In this study, it is shown that it is possible to develop 3D-porous bilayer hydroxyapatite/chitosan scaffolds by means of combining a sintering and a freeze-drying technique. Scanning electron microscopy (SEM/EDS) studies revealed that the scaffolds possess a well-defined orientation and anisotropic porosity, with pore size ranging between 50-350 µm. Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) patterns evidenced the formation of crystalline hydroxyapatite. Moreover, the compression tests revealed that these scaffolds have adequate mechanical properties for being used in tissue engineering of osteochondral defects.