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Action of swollenin for cellulose which has hierarchical structure

Research Project

Project/Area Number 15K14769
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Wood science
Research InstitutionShinshu University

Principal Investigator

AMANO Yoshihiko  信州大学, 学術研究院工学系, 教授 (80273069)

Co-Investigator(Kenkyū-buntansha) 水野 正浩  信州大学, 学術研究院工学系, 助教 (60432168)
Project Period (FY) 2015-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywordsセルロース / スウォレニン / 階層構造 / フィブリル化 / swollenin / 形態変化
Outline of Final Research Achievements

Recently cellulose nanofiber is paid attention as functional materials. Cellulose nanofiber commonly produces by means to break down of hierarchical structure of cellulose to microfibril. In this study, we investigated the action of swollenin to cellulose with different crystalline structure. Swelling activity of this protein appeared to cellulose I which has hierarchical structure, while no activity was observed for cellulose II and III. Since regenerated cellulose has uniform structure, it is suggested that susceptible point for swollenin was not existed on the substrate. So we concluded that swollenin was favor to attack the boundary of microfibril assembly, and resulting the fibrillation of cellulose I surface, but not cellulose II or III.

Report

(3 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • Research Products

    (1 results)

All 2015

All Presentation (1 results)

  • [Presentation] Swollenin及び超音波処理の組み合わせによるセルロース繊維の微細化2015

    • Author(s)
      水野正浩,佐藤健人,野﨑功一,天野良彦
    • Organizer
      セルロース学会第22回年次大会
    • Place of Presentation
      北海道大学 学術交流会館
    • Year and Date
      2015-07-09
    • Related Report
      2015 Research-status Report

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Published: 2015-04-16   Modified: 2018-03-22  

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