What factors determine hierarchical structure of microbial cellulose - Interplay among physics, chemistry and biology

Satoshi Koizumi, Yoko Tomita, Tetsuo Kondo, Takeji Hashimoto

研究成果: Contribution to journalArticle査読

14 被引用数 (Scopus)

抄録

A microbial cellulose film (pellicle), prepared by Acetorbactor xylinum, is a supramolecule system, absorbing a huge amount of water (99% by weight). To elucidate the affinity to water, we investigated the hierarchical structure in a pellicle by using ultra-small-angle and small-angle neutron scattering, observing a wide range of length scales from nm to mm. We successfully determined mass fractal dimensions for the amorphous structure, which hierarchically varies local concentration fluctuations, bundle and network, appeared as the length scale increases. On a basis of these findings, we discuss to address a question what factors determine the hierarchy in the microbial cellulose. This is a new topic of soft matter science, regarded as reaction-induced self-assembly in a non-equilibrium open system, therein soft matter physics, biochemistry and cell biology crucially interplay.

本文言語英語
ページ(範囲)110-118
ページ数9
ジャーナルMacromolecular Symposia
279
1
DOI
出版ステータス出版済み - 5 1 2009

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 有機化学
  • ポリマーおよびプラスチック
  • 材料化学

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