Preparation of gradient-type biological tissue–polymer complex for interlinking device

Yongwei Zhang, Kwangwoo Nam, Tsuyoshi Kimura, Pingli Wu, Naoko Nakamura, Yoshihide Hashimoto, Seiichi Funamoto, Akio Kishida

研究成果: Article


The aim of this study was to investigate the monomer absorption behavior of decellularized dermis and prepare a gradient-type decellularized dermis–polymer complex. Decellularized dermis was prepared using sodium dodecyl sulfate, and its monomer absorption behavior was investigated using three types of hydrophobic monomer with different surface free energies. The results show that monomer absorption depends strongly on the tissue structure, regardless of the surface free energy, and the amount of absorbed monomer can be increased by sonication. Based on these results, we prepared a gradient-type decellularized dermis–poly(methyl methacrylate) complex by controlling the permeation time of the methyl methacrylate monomer and polymerization initiator into the decellularized dermis. The mechanical strength of this complex gradually increased from the dermis side to the polymer side, and combined the physical characteristics of the dermis and the polymer.

ジャーナルMaterials Science and Engineering C
出版物ステータスPublished - 2020 9

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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