Chitosan-collagen/organomontmorillonite scaffold for bone tissue engineering

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• 作者：Xianshuo Cao ; Jun Wang ; Min Liu ; Yong Chen ; Yang Cao…
• 关键词：chitosan (CS) ; collagen (COL) ; montmorillonite (MMT) ; sodium dodecyl sulfate (SDS)
• 刊名：Frontiers of Materials Science
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：9
• 期：4
• 页码：405-412
• 全文大小：773 KB
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• 作者单位：Xianshuo Cao (1)
  Jun Wang (2)
  Min Liu (1)
  Yong Chen (1)
  Yang Cao (1)
  Xiaolong Yu (1)
  
  1. College of Materials and Chemical Engineering, Hainan University, Haikou, 570228, China
  2. College of Ocean, Hainan University, Haikou, 570228, China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Materials Science
  Chemistry
  Chinese Library of Science
  
• 出版者：Higher Education Press, co-published with Springer-Verlag GmbH
• ISSN：2095-0268

文摘

A novel composite scaffold based on chitosan-collagen/organomontmorillonite (CS-COL/OMMT) was prepared to improve swelling ratio, biodegradation ratio, biomineralization and mechanical properties for use in tissue engineering applications. In order to expend the basal spacing, montmorillonite (MMT) was modified with sodium dodecyl sulfate (SDS) and was characterized by XRD, TGA and FTIR. The results indicated that the anionic surfactants entered into interlayer of MMT and the basal spacing of MMT was expanded to 3.85 nm. The prepared composite scaffolds were characterized by FTIR, XRD and SEM. The swelling ratio, biodegradation ratio and mechanical properties of composite scaffolds were also studied. The results demonstrated that the scaffold decreased swelling ratio, degradation ratio and improved mechanical and biomineralization properties because of OMMT. Keywords chitosan (CS) collagen (COL) montmorillonite (MMT) sodium dodecyl sulfate (SDS)