期刊
JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART A
卷 67A, 期 3, 页码 844-855出版社
WILEY-LISS
DOI: 10.1002/jbm.a.10153
关键词
chitosan-gelatin hybrid polymer network; beta-tricalcium phosphate; composite scaffold; microstructure; mechanical properties; biocompatibility
A biodegradable composite scaffold was developed using beta-tricalcium phosphate (beta-TCP) with chitosan (CS) and gelatin (Gel) in the form of a hybrid polymer network (HPN) via co-crosslinking with glutaraldehyde. Various types of scaffolds were prepared by freezing and lyophilizing. These scaffolds were characterized by Fourier transform infrared, X-ray diffractometer, and scanning electron microscopy. The macroporous composite scaffolds exhibited different pore structures. Compressive properties were improved, especially compressive modulus from 3.9-10.9 MPa. Biocompatibility was evaluated subcutaneously on rabbits. A mild inflammatory response was observed over 12 weeks. The results suggest that the scaffolds can be utilized in nonloading bone regeneration. (C) 2003 Wiley Periodicals, Inc.
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