Basic Information

Faculty

• Faculty of Science

Academic Degree

• 24 Mar. 2016

  宇都宮大学博士（工学）

Language of Instruction

• Japanese

ID,URL

• J-Global ID

  201801002796404036

• Researcher number

  30780978

researchmap URL

• https://researchmap.jp/7098

Research

Papers

• Three-dimensional morphology of bacterial community developed on the index-matched materials

  Chigusa Okano; Kyosuke Takabe; Tomohiro Hirayama; Nobuhiko Nomura; Yutaka Yawata

  Scientific Reports, 30 Sep. 2021, Peer-reviewed, Lead author

  
• Effective quorum quenching with a conformation-stable recombinant lactonase possessing a hydrophilic polymeric shell fabricated via electrospinning.

  Chigusa Okano; Daichi Murota; Eri Nasuno; Ken-Ichi Iimura; Norihiro Kato

  Materials science & engineering. C, Materials for biological applications, May 2019, Peer-reviewed, Lead author

  
• Novel quorum quenching enzymes identified from draft genome of Roseomonas sp. TAS13.

  Eri Nasuno; Tomohiro Suzuki; Ryoko Suzuki; Chigusa Okano; Takeshi Kurokura; Ken-Ichi Iimura; Norihiro Kato

  Genomics data, Jun. 2017, Peer-reviewed

  
• Enhancement effects of cationic contaminants from bacteria on cake layer formation and biofouling on an RO membrane

  Shun Yamanouchi; Eri Nasuno; Masaki Ohno; Chigusa Okano; Ken-ichi Iimura; Tetsuji Okuda; Wataru Nishijima; Norihiro Kato

  BIOTECHNOLOGY AND BIOPROCESS ENGINEERING, Jun. 2017, Peer-reviewed

  
• 水処理微生物を機能制御する素材開発戦略 (※総説)

  加藤紀弘; 岡野千草; 高山友理子; 奈須野恵理; 飯村兼一; 諸星知広

  環境バイオテクノロジー学会誌, 2017, Peer-reviewed, Invited

  
• Color transition properties of water dispersible polydiacetylene particles conjugated with a thermosensitive polymer

  I. Harano; C. Okano; Y. Takayama; E. Nasuno; K. Iimura; N. Kato

  Appl. Mech. Mater., 2017, Peer-reviewed

  
• Inhibition of antimicrobial prodigiosin production in Serratia marcescens using cyclodextrin-immobilized microgel beads prepared by a non-contact jet dispensing system

  E. Nasuno; C. Okano; Y. Takayama; I. Harano; K. Iimura; N. Kato

  Appl. Mech. Mater., 2017, Peer-reviewed

  
• Complex Flocculation of Biofilm-forming Bacteria in the Presence of Flocculating Bacteria Isolated from Activated Sludge

  Okano Chigusa; Chiba Koki; Nasuno Eri; Iimura Ken-ichi; Kato Norihiro

  Transactions of the Materials Research Society of Japan, 2017, Peer-reviewed, Lead author

  
• Cyclodextrin-immobilized microspheres for uptake of the quorum-sensing signaling molecule N-acylhomoserine lactone

  Chigusa Okano; Eri Nasuno; Ken-ichi Iimura; Norihiro Kato

  JOURNAL OF APPLIED POLYMER SCIENCE, Mar. 2016, Peer-reviewed, Lead author

  
• Suppressive effects of self-associated triblock copolymers on quorum sensing-mediated phenazine antibiotic production

  C. Okano; N. Kato

  Trans. Mater. Res. Soc. Jpn., 2016, Peer-reviewed, Lead author

  
• Inhibition and Induction of Quorum Sensing Using Complexes between N-Acylhomoserine Lactone and Self-assembled Polymer Micelles

  Chigusa Okano; Norihiro Kato

  CHEMISTRY LETTERS, Nov. 2015, Peer-reviewed, Lead author

  
• Quick detection of cell to cell communication in gram negative bacteria by colour change of polymer matrix entrapping reporter bacteria

  E. Nasuno; C. Okano; K. Limura; T. Morohoshi; T. Ikeda; N. Kato

  MATERIALS RESEARCH INNOVATIONS, Jul. 2014, Peer-reviewed

  
• Inhibitory Effects of Quorum Sensing in Serratia marcescens AS-1 by Electrospun Polyvinyl Alcohol Fibers Immobilized with Cyclodextrin

  Nasuno Eri; Umemura Takuto; Ogi Takehiro; Okano Chigusa; Kawanago Tomohisa; Iimura Ken-ichi; Morohoshi Tomohiro; Ikeda Tsukasa; Kato Norihiro

  Transactions of the Materials Research Society of Japan, 2012, Peer-reviewed

  
• β-Cyclodextrin Interaction with N-Hexanoyl Homoserine Lactone as Quorum Sensing Signal Produced in Gram-Negative Bacteria

  Okano Chigusa; Arai Marina; Nasuno Eri; Iimura Ken-ichi; Morohoshi Tomohiro; Ikeda Tsukasa; Kato Norihiro

  Transactions of the Materials Research Society of Japan, 2012, Peer-reviewed, Lead author

  

Misc.

• 一細胞自家蛍光シグネチャー解析に基づく食品汚染菌のリアルタイム検出

  鳥澤 創; 張 譯云; 畔栁 ひとみ; 迫田 紘史; 上崎 菜穂子; 岡野千草; 八幡 穣

  第77 回日本生物工学会大会(2025)トピ ックス集, Sep. 2025, Invited, Corresponding author

  
• 細胞の足場材料としての高強度ヒドロゲル

  岡野 千草

  生物工学会誌, Feb. 2019, Lead author

  

Industrial Property Rights

• 特願2025-139798, 食品中における細菌の検出方法

  畔柳 ひとみ; 迫田 紘史; 上崎 菜穂子; 大橋 千草; 八幡 穣

  
• 特許7697649号, 特願2021-019344, 補正パラメータ設定方法及びデータ補正方法

  八幡穣; 八幡志央美; 岡野千草; 野村暢彦

  
• 特開2016-214126, 特願2015-101665, クオラムセンシング制御用担体の製造方法、クオラムセンシング制御用担体、及びクオラムセンシングの制御方法

  加藤 紀弘; 奈須野 恵理; 岡野 千草; 諸星 知広; 池田 宰

  
• 特開2016-185935, 特願2015-067491, クオラムセンシング制御用樹脂粒子、及びクオラムセンシングの制御方法

  加藤 紀弘; 岡野 千草

  
• 特開2015-180194, 特願2015-021864, 微生物製剤、微生物フロック及びその製造方法

  加藤 紀弘; 岡野 千草

  
• 特開2020-112633, 特願2019-002223, 顕微観察方法及び顕微観察用試料保持具

  八幡穣; 岡野千草; 平山智弘; 野村暢彦

  
• 特開2023-137105, 特願2022-043135, 品質評価方法及び品質評価プログラム

  八幡穣; 野村暢彦; 高部響介; 大橋千草; 原克樹; 廣木亜由美; 松浦鈴子; 今村明美; 尾畑やよい

  

Awards

• 26 Sep. 2013

  Excellent Poster Award，12th IUMRS International Conference on Advanced Materia
• 14 Mar. 2014

  宇都宮大学学生表彰

Education

Teaching subject(s)

• From 01 Apr. 2026, To 31 Mar. 2027

  Integrated Liberal Arts and Science with Small Group Seminar s (Natural Sciences m)

  N186, Spring, Institute for Liberal Arts and Sciences, 4