Preparation and Evaluation of Biocompatible Composite for Bone Tissue Engineering

SSRG International Journal of Pharmacy and Biomedical Engineering (SSRG-IJPBE)
© 2017 by SSRG - IJPBE Journal
Volume-4 Issue-3
Year of Publication : 2017
Authors : Md. Masud Rana, Naznin Akhtar, Md. Zahid Hasan, S.M. Asaduzzaman
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Citation:
      Md. Masud Rana, Naznin Akhtar, Md. Zahid Hasan, S.M. Asaduzzaman "Preparation and Evaluation of Biocompatible Composite for Bone Tissue Engineering", SSRG International Journal of Pharmacy and Biomedical Engineering (SSRG - IJPBE), V4 (3), 8-15 September to December 2017. ISSN:2394 - 2576. www.internationaljournalssrg.org/IJPBE/index.html. Published by : Seventh Sense Research Group.
Abstract:
      Bone tissue engineering with cells and synthetic extracellular matrix represents a new approach for the regeneration of mineralized tissue compared with the transplantation of bone. Hydroxyapatite (HA) and its composite with biopolymer are extensively developed and applied in bone tissue regeneration. The main aim of this study was to fabricate and characterize of HA apatite based biocompatible scaffold for bone tissue engineering. Scaffolds with different ratio of polymers (chitosan & alginate), and fixed amount of synthetic HA were prepared using in situ co precipitation method and mineral to polymer ratio was 1:1 to 1: 2 . A cross linker agent, 2-Hydroxylmethacrylate (HEMA) was added at different percentage (0.5-2%) into the selected composition and irradiated at 5- 25 kGy to optimize the proper mixing of components at the presence of HEMA. Fabricated scaffolds were analyzed to determine porosity, density, biodegradability, morphology and structural properties. Porosity and density of the prepared scaffold were 75 to 92% and 0.21 to 0.42 g/cm3 respectively. However, the swelling ratio of the fabricated scaffolds was ranged from 133 to 197%. Nonetheless, there had a reasonable in-vitro degradation of prepared scaffolds. Flourier transform infrared spectroscopy (FTIR) analysis showed intermolecular interaction between components in the scaffold. Pore size of scaffold was measured by scanning electron microscope and the value was 162-510 μm. It could be proposed that this scaffold fulfills all the main requirements to be considered as a bone substitute for biomedical application in near future.
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Key Words:
      Bone tissue engineering, Scaffold, Chitosan, Alginate, Hydroxyapatite.