Fabrics of polymer fibers modified with calcium silicate for bone substitute

T. Kokubo, M. Kawai, M. Kawashita, K. Yamamoto, T. Nakamura

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


Ethylene-vinyl alcohol copolymer (EVOH), poly(ethylene terephthalate) (PET) and polyethylene (PE) were modified with calcium silicate on their surfaces by a sol-gel method, before or after glow discharge treatment in O2 gas, soaked in a simulated body fluid (SBF) and implanted into knee bone of a rabbit. EVOH and PET formed nano-sized bonelike apatite uniformly on their surfaces in SBF, without being subjected to the glow discharge, and bonded to the living bone of the rabbit, whereas PE formed the apatite only sparsely even when being subjected to the glow discharge. Three dimensional fabrics with open spaces in various sizes of the former fibers modified with the calcium silicate might be useful as bone substitutes.

Original languageEnglish
Pages (from-to)775-778
Number of pages4
JournalKey Engineering Materials
Publication statusPublished - 2005 Jan 1


  • Apatite
  • Bone
  • Calcium silicate
  • Ethylene-vinyl alcohol copolymer
  • Poly(ethylene terephthalate)
  • Polyethylene

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering


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