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Enhanced bioactivity of osteoblast-like cells on poly(lactic acid)/poly(methyl methacrylate)/nano-hydroxyapatite scaffolds for bone tissue engineering
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  • 作者:Zhicheng Rong (4)
    Wen Zeng (1)
    Yanshen Kuang (2)
    Jianwei Zhang (1)
    Xingyun Liu (3)
    Yuan Lu (3)
    Xiangrong Cheng (4)

    4. Key Laboratory for Oral Biomedical Engineering
    ; Ministry of Education ; School and Hospital of Stomatology ; Wuhan University ; Wuhan ; 430079 ; China
    1. School of Resource and Environmental Science
    ; Wuhan University ; Wuhan ; 430079 ; China
    2. Zhongnan Hospital
    ; Wuhan University ; Wuhan ; 430079 ; China
    3. School of Chemistry and Chemical Engineering
    ; Guangxi University ; Nanning ; 530004 ; China
  • 关键词:Hydroxyapatite nanoparticles ; Nanofibrous scaffolds ; Bioactivity ; Bone tissue engineering
  • 刊名:Fibers and Polymers
  • 出版年:2015
  • 出版时间:February 2015
  • 年:2015
  • 卷:16
  • 期:2
  • 页码:245-253
  • 全文大小:1,529 KB
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  • 刊物类别:Chemistry and Materials Science
  • 刊物主题:Chemistry
    Polymer Sciences
  • 出版者:The Korean Fiber Society
  • ISSN:1875-0052
文摘
Bone tissue engineering has great potential but requires an appropriate substrate with good bioactivity. In this study, poly(lactic acid) (PLA)/poly(methyl methacrylate) (PMMA)/nano-hydroxyapatite (n-HA) hybrid nanofibrous scaffolds were fabricated via electrospinning. The morphologies of the scaffolds were observed by scanning electron microscopy, transmission electron microscopy and the structures of the scaffolds were measured by fourier transform infrared spectrum. After immersion in simulated body fluid, the more deposition of ball-like apatite can be observed on the surface of the hybrid PLA/PMMA/n-HA scaffold. In vitro degradation experiments showed that the less degradation occurred in the hybrid PLA/PMMA/n-HA scaffold. The studies of cell adhesion and growth capability were investigated by incubating the osteoblast-like cells (MG-63) in the scaffolds, which verified the addition of n-HA could promote the adhesion and proliferation of the Human osteoblast-like cells (MG-63). Hence, the electrospun hybrid PLA/PMMA/n-HA nanofibrous scaffold is a promising biomaterial, propitious to be a substrate for bone tissue engineering.

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