繭糸セリシンの接着性と構造の関係

  • 朱 良均
    Department of Molecular Biotechnology, Faculty of Technology, Tokyo University of Agriculture and Technology
  • 荒井 三雄
    Department of Molecular Biotechnology, Faculty of Technology, Tokyo University of Agriculture and Technology
  • 平林 潔
    Department of Molecular Biotechnology, Faculty of Technology, Tokyo University of Agriculture and Technology

書誌事項

タイトル別名
  • Relationship between adhesive properties and structure of sericin in cocoon filaments.
  • 繭糸セリシンの接着性と構造の関係〔英文〕
  • ケンシ セリシン ノ セッチャクセイ ト コウゾウ ノ カンケイ エイブン

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抄録

The structure of sericin is related to the stripping resistance of cocoon filaments. When it was strong, the thermal absorption peak of DSC curve for sericin appeared at higher temperature region, indicating that both β-structure and random coil structure were present in sericin. On the other hand, when the stripping resistance was weak, sericin had only the random coil structure. The adhesive strength of sericin closely depended on the phase of sericin, being strong when the sericin molecule in solution transformed from the random coil to the β-structure. This was also true when cocooning was done at high temperature and high humidity. These results demonstrated that adhesion of sericin to cocoon filaments was dependent on the sericin structure.

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