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  • Title: Development of 3D scaffolds using nanochitosan/silk-fibroin/hyaluronic acid biomaterials for tissue engineering applications.
    Author: S G, T G, K V, Faleh A A, Sukumaran A, P N S.
    Journal: Int J Biol Macromol; 2018 Dec; 120(Pt A):876-885. PubMed ID: 30171951.
    Abstract:
    Bone tissue engineering put emphasis on fabrication three-dimensional biodegradable porous scaffolds that supporting bone regeneration and functional bone tissue formation. In the present work, we prepared novel 3D tripolymeric scaffolds of nanochitosan (NCS)/silk fibroin (SF)/hyaluronic acid (HA) ternary blends and demonstrating the synergistic effect of scaffolds and its use in tissue engineering applications. The physico-chemical characterization of the prepared scaffold was evaluated by FTIR, XRD and SEM studies. The FT-IR and XRD results confirmed the interfacial bonding interaction existing between polymers. SEM images showed good interconnected porous structure with rough surface morphology. The in vitro cytocompatibility tests carried out with osteoblast cells by the MTT assay demonstrated that the blended scaffold favors the early adhesion, growth and proliferation of preosteoblast MC3T3-E1 cells. The alizarin red assay indicated that the prepared scaffold can promote the osteogenic differentiation and facilitate the calcium mineralization of MC3T3-E1 cells. The alkaline phosphatase assay confirmed that the NCS/SF/HA scaffold provide conducive environment for osteoblast proliferation and mineral deposition. The bactericidal action of NCS/SF/HA scaffold reveals that the prepared sample has the potential to kill the microorganisms to a greater extent. Hence the overall findings concluded that the NCS/SF/HA scaffolds have better applications in tissue engineering.
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