Development of novel regenerated cellulose material using LiBr aqueous solution as cellulose solvent

• Project/Area Number: 15K07506
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Wood science
• Research Institution: The University of Tokyo (2016-2017); Kyoto University (2015)
• Principal Investigator: Kimura Satoshi 東京大学, 大学院農学生命科学研究科(農学部), 特任准教授 (00420224)
• Co-Investigator(Kenkyū-buntansha): 和田 昌久 京都大学, 農学研究科, 教授 (40270897)
• Project Period (FY): 2015-04-01 – 2018-03-31
• Project Status: Completed (Fiscal Year 2017)
• Budget Amount: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000); Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2015: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
• Keywords: セルロース / LiBr / エマルジョン / ゲル / ビーズ / 多孔性 / クロマトグラフィー

Outline of Final Research Achievements

Nano porous cellulose gel beads were successfully prepared by using an aqueous LiBr solution which is a new all-aqueous process of the dissolution / regeneration of cellulose. The prepared cellulose beads had high strength and specific surface area and were found to be useful as an adsorption / sustained release agent. Size exclusion chromatography using the cellulose beads showed a calibration curve close to a straight line against standard dextran. It was found that the cellulose gel beads prepared in this study have high performance as a support material for chromatography.

Research Products

• [Presentation] LiBr水溶液から調製したビーズ化セルロスゲの特性 (2016)
  • Author(s): 木村聡，飯塚恭平, 岩田忠久
  • Organizer: 日本生物工学会北日本支部2016年度生物工学会北日本支部札幌シンポジウム「低炭素化社会に資する最先端バイオリファイナリー研究」
  • Place of Presentation: 北海道大学工学部（北海道札幌市）