Immobilization of anaerobic microbes and their applications

• Project/Area Number: 18710065
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Environmental technology/Environmental materials
• Research Institution: Osaka Prefecture University
• Principal Investigator: NOMURA Toshiyuki Osaka Prefecture University, 大学院・工学研究科, 准教授 (00285305)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,730,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥330,000); Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2007: ¥900,000 (Direct Cost: ¥900,000); Fiscal Year 2006: ¥1,400,000 (Direct Cost: ¥1,400,000)
• Keywords: 嫌気性微生物 / 固定化 / バイオコロイド / メタン生成菌 / 電気泳動移動度 / 疎水性 / 相互作用 / 電気移動度

Research Abstract

高効率メタン発酵プロセスを実現するには、発酵槽内のメタン生成菌を高濃度に保持することが必要不可欠である。本研究では、メタン発酵槽に棲息する代表的な嫌気性微生物を選定し、コロイド科学の観点から検討を行った。その結果、メタン発酵の中核を担う酢酸利用性メタン生成菌を固定化担体上に高密度に固定化するには、メタン菌叢に含まれる他の嫌気性菌の付着が抑制できる担体が適していることを、微生物の付着による自由エネルギー変化より明らかにした。

Research Products

• [Journal Article] Selective Immobilization of Aceticlastic Methanogens to Support Material (2008)
  • Author(s): T. Nomura T.Nomura, T. Nagao, A. Yoshihara, H. Tokumoto, Y. Konishi
  • Journal Title: KONA Powder and Particle Journal 26 Pages: 246-253
  • NAID: 10018074730
• [Journal Article] Selective Immobilization of Aceticlastic Methanogens to Support Material (2008)
  • Author(s): T. Nomura
  • Journal Title: A KONA Powder and Particle Journal 26 Pages: 246-253
  • NAID: 10018074730
• [Journal Article] Effect of the Surface Characteristics of Methanosarcina barkeri on the Immobilization to Support Materials (2007)
  • Author(s): T. Nomura, A. Yoshihara, T. Nagao, H. Tokumoto and Y. Konishi
  • Journal Title: Advanced Powder Technology 18 Pages: 489-501
  • NAID: 10019962773
  • Peer Reviewed
• [Journal Article] コロイド科学的手法による微生物の付着制御 (2007)
  • Author(s): 野村俊之
  • Journal Title: 粉体工学会誌 44 Pages: 122-126
  • NAID: 10018506823
• [Journal Article] Effect of the Surface Characteristics of Methanosarcina barkeri on the Immobilization to Support Materials (2007)
  • Author(s): T.Nomura
  • Journal Title: Adv.Powder Technol. 18 Pages: 489-501
  • NAID: 10019962773
  • Peer Reviewed
• [Journal Article] コロイド科学的手法による微生物の付着制御 (2007)
  • Author(s): 野村俊之
  • Journal Title: 粉体工学会誌 44・2 Pages: 122-122
  • NAID: 10018506823
• [Journal Article] 酢酸資化性メタン菌の担体への選択的固定化 (2006)
  • Author(s): 野村俊之、長尾孝徳、吉原章仙、徳本勇人、小西康裕
  • Journal Title: 粉体工学会誌 43 Pages: 653-659
  • Peer Reviewed
• [Journal Article] 酢酸資化性メタン菌の担体への選択的固定化 (2006)
  • Author(s): 野村俊之
  • Journal Title: 粉体工学会誌 43・9 Pages: 653-653
• [Presentation] Adhesion Phenomena of Biological Cells and Their Applications (2008)
  • Author(s): T. Nomura
  • Organizer: The 17th Nisshin Engineering Particle Technology International Seminar (NEPTIS-17)
  • Place of Presentation: Nara, Japan
  • Year and Date: 2008-12-08
• [Presentation] Adhesion Phenomena of Biological Cells and Their Applications (2008)
  • Author(s): T. Nomura
  • Organizer: 17th Nisshin Engineering Particle Technology International Seminar
  • Place of Presentation: Nara, Japan
  • Year and Date: 2008-12-08
• [Presentation] Colloidal behavior of acetate-utilizing methanogens in the anaerobic digester (2008)
  • Author(s): T. Nomura
  • Organizer: 5th International Conference Interfaces Against Pollution 2008 (IAP 2008)
  • Place of Presentation: Kyoto, Japan
  • Year and Date: 2008-06-02
• [Presentation] Adhesion and Coadhesion Phenomena of Acetate-Utilizing Methanogens (2007)
  • Author(s): T. Nomura
  • Organizer: The Ian Wark Reserch Institute Nano-interface Workshop
  • Place of Presentation: Adelaide, Australia
  • Year and Date: 2007-12-07
• [Presentation] Adhesion and Coadhesion Phenomena of Acetate-Utilizing Methanogens (2007)
  • Author(s): T.Nomura
  • Organizer: The Ian Wark Research Institute Nano-interface Workshop
  • Place of Presentation: Adelaide,Australia
  • Year and Date: 2007-12-07
• [Presentation] Effects of Surface Properties of Bacterial Cells on Microbial Adhesion (2007)
  • Author(s): T. Nomura
  • Organizer: 14th Advanced Particle Handling Science Seminar: Young Researchers Symposium,
  • Place of Presentation: Melbourne, Australia
  • Year and Date: 2007-12-04
• [Presentation] Effects of Surface Properties of Bacterial Cells on Microbial Adhesion (2007)
  • Author(s): T.Nomura
  • Organizer: 14th APHS Seminar:Young Researchers Symposium
  • Place of Presentation: Melbourne,Australia
  • Year and Date: 2007-12-04
• [Presentation] Investigation on Early Stage of Miceobial Adhesion using the Extended DLVO Theory (2007)
  • Author(s): T. Nomura
  • Organizer: 8th UK Particle Technology Forum 2007
  • Place of Presentation: Ccambridge, UK
  • Year and Date: 2007-09-26
• [Presentation] Investigation on Early Stage of Microbial Adhesion using the Extended DLVO Theory (2007)
  • Author(s): T.Nomura
  • Organizer: 8th UK Particle Technology Forum 2007
  • Place of Presentation: Cambridge,UK
  • Year and Date: 2007-09-26
• [Presentation] Adhesion and Coagulation Phenomena in Biocolloids and its Application (2007)
  • Author(s): T.Nomura
  • Organizer: Researcher Exchanges with Univ.of Leeds/Univ.of Cambridge
  • Place of Presentation: Leeds,UK
  • Year and Date: 2007-09-24
• [Presentation] Evaluation of Surface Physico-Chemical Properties of Acetate Utilizing Methanogens (2007)
  • Author(s): T.Nomura
  • Organizer: International symposium on Microbial Ecology ISME Asia 2007
  • Place of Presentation: Matsuyama,Japan
  • Year and Date: 2007-09-16
• [Book] 亜臨界水反応による廃棄物処理資源・エネルギー化 (2007)
  • Author(s): 野村俊之(分担執筆)
  • Publisher: シーエムシー出版
• [Book] 亜臨界水反応による廃棄物処理と資源・エネルギー化 (2007)
  • Author(s): 野村 俊之
  • Publisher: シーエムシー出版