Document Detail

Pre-osteoblastic cell response on three-dimensional, organic-inorganic hybrid material scaffolds for bone tissue engineering.
MedLine Citation:
PMID:  23355483     Owner:  NLM     Status:  Publisher    
Engineering artificial scaffolds that enhance cell adhesion and growth in three dimensions is essential to successful bone tissue engineering. However, the fabrication of three-dimensional (3D) tissue scaffolds exhibiting complex micro- and nano-features still remains a challenge. Few materials can be structured in three dimensions, and even those have not been characterized for their mechanical and biological properties. In this study, we investigate the suitability of three novel materials of different chemical compositions in bone tissue regeneration: a hybrid material consisting of methacryloxypropyl trimethoxysilane and zirconium propoxide, a hybrid organic-inorganic material of the above containing 50 mole% 2-(dimethylamino)ethyl methacrylate (DMAEMA) and a pure organic material based on polyDMAEMA. More specifically, we study the mechanical properties of the aforementioned materials and evaluate the biological response of pre-osteoblastic cells on them. We also highlight the use of a 3D scaffolding technology, Direct femtosecond Laser Writing (DLW), to fabricate complex structures. Our results show that, while all three investigated materials could potentially be used as biomaterials in tissue engineering, the 50% DMAEMA composite exhibits the best mechanical properties for structure fabrication with DLW and strong biological response. © 2013 Wiley Periodicals, Inc. J Biomed Mater Res Part A, 2013.
Konstantina Terzaki; Maria Kissamitaki; Amalia Skarmoutsou; Costas Fotakis; Costas A Charitidis; Maria Farsari; Maria Vamvakaki; Maria Chatzinikolaidou
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-27
Journal Detail:
Title:  Journal of biomedical materials research. Part A     Volume:  -     ISSN:  1552-4965     ISO Abbreviation:  J Biomed Mater Res A     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101234237     Medline TA:  J Biomed Mater Res A     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Wiley Periodicals, Inc.
Department of Materials Science and Technology, University of Crete, P.O. Box 2208, GR-71303 Heraklio, Greece; Institute of Electronic Structure and Laser (IESL), Foundation for Research and Technology Hellas (FORTH), Greece.
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