2020

Romain Milotskyi, László Szabó, Tetsuo Fujie, Kintaro Sakata, Naoki Wada, Kenji Takahashi,
“Low Waste Process of Rapid Cellulose Transesterification Using Ionic Liquid/DMSO Mixed Solvent: Towards More Sustainable Reaction Systems”,
The International Polymer Conference of Thailand 2020 (PCT-10), Zoom, AUG 6-7, Oral (Zoom), 2020 Invited

Kenji Takahashi,
“Quantitative analysis of native reactive functional groups on carbon fiber surface for high performance CFRP”,
9th East Asia Symposium on Functional Dyes and Advanced Materials (EAS9), GIS TAIPEI TECH, National Taipei University of Technology, Convention Center, Taipei, Taiwan, R.O.C., SEP 17-20, Oral, 2019 Invited

2019

Romain Milotskyi, László Szabó, Kenji Takahashi, Christophe Bliard,
“Chemical Modification of Plasticized Lignins Using Reactive Extrusion”,
1st International Lignin Symposium in Sapporo, Frontier Research in Applied Sciences Building, Hokkaido University, Hokkaido, SEP 13-15, Oral, 2019

László Szabó, Roman Milotskyi, Tetsuo Fujie, Takayuki Tsukegi, Naoki Wada, Kazuaki Ninomiya, Kenji Takahashi,
“Lignin as a functional material at carbon fiber-polymer interphases”,
1st International Lignin Symposium in Sapporo, Frontier Research in Applied Sciences Building, Hokkaido University, Hokkaido, SEP 13-15, Oral, 2019

Kenji Takahashi,
“Polymer reaction of Cellulose in ionic liquids and formation of high performance thermoplastic for Carbon fiber reinforced plastic”,
International Congress on Advanced Materials Sciences and Engineering(AMSE), ANA CROWNE PLAZA OSAKA, Osaka, JUL 22-24, Oral, 2019 Invited

Kenji Takahashi,
“Carbon Fiber Reinforced Plastic made from Thermoplastic Cellulose Resin”,
2nd Asian-French Workshop on Polymer Science (AFWPS 2019), Frontier Research in Applied Sciences Building, Faculty of Engineering, Hokkaido University, Hokkaido, JUL 18-21 , Oral, 2019 Invited

Kenji Takahashi,
“Regioselective synthesis of cellulose ester: Application of carbon13 isotope for efficient detection by 13c-NMR”,
14th Tihany Symposium on Radiation Chemistry, 8600 Siófok, Erkel Ferenc u. 2/c, Hungary, MAY 25-30, Oral, 2019 Invited

Kenji Takahashi,
“Cellulose production into ionic solvent”,
5th PolyNat International Industries Forum, 601 rue de la chimie, 38041 Gières, France, MAY 14-15, Oral, 2019 Invited

Riki Kadokawa, Kosuke Kuroda, Takatsugu Endo, Yoshiro Yasaka, Kazuaki Ninomiya, Kenji Takahashi,
“Selective extraction of hardly-soluble cellulose from plant biomass with a liquid zwitterion”,
The 8th International Congress on Ionic Liquids, Beijing, China, MAY 13-17, Poster, 2019

Kosuke Kuroda, Kenji Takahashi,
“Multi-task suitable ionic liquids: addition of a switchable function to task-specific ionic liquids via reversible shift to zwitterions”,
The 8th International Congress on Ionic Liquids, Beijing, China, MAY 13-17, Poster, 2019

Kosuke Kuroda, Kenji Takahashi,
“Cellulose meets biocompatible solvents: one-pot ethanol production from lignocellulosic biomass”,
The 8th International Congress on Ionic Liquids, Beijing, China, MAY 13-17, Oral, 2019

Kenji Takahashi,
“Biomass refinery using ionic liquids”,
BBC2019, San Francisco, CA, USA, APR 29 – MAY 1, Oral, 2019

2018

Kazuaki Ninomiya, Kenji Takahashi,
“Characterization of scaffold-free three-dimensional microtissue assembled by bio-3D printer using vascularized multicellular spheroids as building block”,
24th Symposium of Young Asian Biological Engineer’s Community (YABEC), International building, National Taiwan University of Science Technology,Taiwan, NOV 15-17, Poster, 2018

Kosuke Kuroda, Heri Satria, Kazuaki Ninomiya, Kenji Takahashi,
“One-pot biomass conversion to ethanol in biocompatible liquid zwitterions”,
The 6th Asian-Pacific Conference on ionic Liquids& Green Processes (APCIL6), Yonago Convention Center “BiG SHiP” in Yonago city, Tottori, Japan, OCT 31-NOV 3, Oral, 2018 Invited

Chiaki Koudo, Kosuke Kuroda, Kazuaki Ninomiya, Kenji Takahashi,
“Herbal medicinal gels directly prepared by using a low-toxic liquid”,
The 6th Asian-Pacific Conference on ionic Liquids& Green Processes (APCIL6), Yonago Convention Center “BiG SHiP” in Yonago city, Tottori, OCT 31-NOV 3, Poster, 2018

Shiori Suzuki, Yosuke Hamano, Stephanie C. Hernandez, Naoki Wada, Kenji Takahashi,
“One-pot conversion of lignocellulosic biomass into flexible and good thermal processable plastics”,
The 6th Asian-Pacific Conference on ionic Liquids& Green Processes (APCIL6), Yonago Convention Center “BiG SHiP” in Yonago city, Tottori, OCT 31-NOV 3, Poster, 2018

Ryunosuke Nishita, Kosuke Kuroda, Kazuaki Ninomiya, Kenji Takahashi,
“Flame-retardant thermoplastics derived from plant cell wall polymers by single ionic liquid substitution”,
The 6th Asian-Pacific Conference on ionic Liquids& Green Processes (APCIL6), Yonago Convention Center “BiG SHiP” in Yonago city, Tottori, OCT 31-NOV 3, Poster, 2018

Samuel Kusuma, Shuhei Nomura, Makoto Yamaguchi, Daisuke Hirose, Yoshiro Yasaka, Kenji Takahashi,
“Homogeneous Esterification of Cellulose with a Methyl Ester in an Imidazolium Carboxylate Ionic Liquid”,
The 6th Asian-Pacific Conference on ionic Liquids& Green Processes (APCIL6), Yonago Convention Center “BiG SHiP” in Yonago city, Tottori, OCT 31-NOV 3, Poster, 2018

Kosuke Kuroda, Heri Satria, Kazuaki Ninomiya, Kenji Takahashi,
“One-pot biomass conversion to ethanol in biocompatible liquid zwitterions”,
The 6th Asian-Pacific Conference on ionic Liquids& Green Processes (APCIL6), Yonago Convention Center “BiG SHiP” in Yonago city, Tottori, Japan, OCT 31-NOV 3, Poster, 2018

Kenji Takahashi, Shiori Suzuki,
“Dual Catalytic Activity of an Ionic Liquid in Lignin Acetylation and Deacetylation”,
Gordon Research Conference, Grand Summit Hotel at Sunday River ,Newry, ME, US, AUG 12-17, Poster, 2018

Kuroda Kosuke, Chiaki Kodo, Kazuaki Ninomiya, Kenji Takahashi,
“Herbal medicinal gels prepared by using a low-toxic liquid zwitterion”,
Gordon Research Conference, Grand Summit Hotel at Sunday River ,Newry, ME, US, AUG 12-17, Poster, 2018

Yoshiro Yasaka, Rina Hoshino, Osuke Ishida, Jyunichi Kitada, Kiyoshi Uzawa, Kenji Takahashi,
“CFRP Composites Made from Thermoplastic Resin Derived from Cellulose: Chemical Design Targeting Enhanced Fiber-Resin Adhesion”,
European conference on composite material, ECCM18, Megaron Athens International Conference Centre, Athens, Greece, JUN 24-28, Poster, 2018

Kenji Takahashi, Surajdevprakash B. Dhiman, Koji Osawa, James F. Wishart,
“Spectral shift of solvated electrons in a mixture of ionic liquids at low temperatures”,
International Conference on Ionizing Processes 2018, Loews Annapolis Hotel, Annapolis,USA, JUL 22-27, Poster, 2018

Kenji Takahashi,
“Polymer reaction of cellulose in ionic liquids as catalysts”,
5th French-Brazilian Meeting on Polymers, Rua das Gaivotas, Florianopolis, Blazile, APR 16-20, Oral, 2018 Invited

Kenji Takahashi,
“Ionic liquids as catalysists for biomass conversion”,
255th American Chemical Society National Meeting, New Orleans Ernest N. Morial Convention Center, USA, MAR 18-22, Oral, 2018 Invited

László Szabó, Sari Imanishi, Rina Hoshino, Naohiro Kawashima, Daisuke Hirose, Takayuki Tsukegi, Kenji Takahashi,
“Carbon fiber reinforced cellulose-based polymers: intensitying interfacial adhesion between the fiber and the matrix.”,
255th American Chemical Society National Meeting, New Orleans Ernest N. Morial Convention Center, USA, MAR 18-22, Poster, 2018

Samuel B. Kusuma, Shuhei Nomura, Makoto Yamaguchi, Daisuke Hirose, Yoshiro Yasaka, Kazuaki Ninomiya, Kenji Takahashi,
“Modification of cellulose with methyl ester through transesterification reaction in imidazolium carboxylates”,
255th American Chemical Society National Meeting, New Orleans Ernest N. Morial Convention Center, USA, MAR 18-22, Poster, 2018

2017

Motomu Tanaka, Takatsugu Endo, Takayuki Tsukegi, Kenji Takahashi,
“Development of high strength cellulose based composite”,
The 4th International Cellulose Conference, Centennial Hall Kyoshu University School of Medicine, Fukuoka, Japan, OCT 17-20, Poster, 2017

Sara Senda, Takatsugu Endo, Takayuki Tsukegi, Kenji Takahashi,
“High Performance Biomass Plastic Composite from grass-based Lignocellulose Nanofibers and Microfibers”,
The 4th International Cellulose Conference, Centennial Hall Kyoshu University School of Medicine, Fukuoka, Japan, OCT 17-20, Poster, 2017

Ryunosuke Nishita, Kosuke Kuroda, Ota Shohei, Kenji Takahashi,
“Development of flame retardant plastics using phosphorous acid-based ionic liquids”,
The 4th International Cellulose Conference, Centennial Hall Kyoshu University School of Medicine, Fukuoka, Japan, OCT 17-20, Poster, 2017

Kosuke Kuroda, Heri Satria, Yota Tsuge, Kazuaki Ninomiya, Kenji Takahashi,
“Extremely biocompatible cellulose solvents”,
The 4th International Cellulose Conference, Centennial Hall Kyoshu University School of Medicine, Fukuoka, Japan, OCT 17-20, Oral, 2017

Takeru Koshigiri, Shiori Suzuki, Daisuke Hirose, Kenji Takahashi,
“Direct trans-esterification of raw biomass and development of separation method”,
The 4th International Cellulose Conference, Centennial Hall Kyoshu University School of Medicine, Fukuoka, Japan, OCT 17-20, Poster, 2017

Naohiro Kawashima, Kenji Takada, Ryohei Kakuchi, Daisuke Hirose, Kazuaki Ninomiya, Kenji Takahashi,
“Synthesis of thermoplastic of cellulose derivatives leading to the bio-based carbon fiber reinforced plastic”,
The 4th International Cellulose Conference, Centennial Hall Kyoshu University School of Medicine, Fukuoka, Japan, OCT 17-20, Poster, 2017

Rina Hoshino, Hiroki Maeba, Makoto Yamaguchi, Ryohei Kakuchi, Kenji Takada, Daisuke Hirose, Kazuaki Ninomiya, Kenji Takahashi,
“Bio-based Carbon Fiber Reinforced Plastics Using Thermoplastic Cellulose with Reactive Site”,
The 4th International Cellulose Conference, Centennial Hall Kyoshu University School of Medicine, Fukuoka, Japan, OCT 17-20, Poster, 2017

Hibiki Hikita, Shiori Suzuki, Daisuke Hirose, Kenji Takahashi,
“Synthesis of cellulose mixed-ester via transesterification reaction in ionic liquid”,
The 4th International Cellulose Conference, Centennial Hall Kyoshu University School of Medicine, Fukuoka, Japan, OCT 17-20, Poster, 2017

Shunsuke Fujii, Ei Mon Aung, Shota Hosomi, Takatsugu Endo, Kenji Takahashi,
“Analysis of cellulose crystal structure for efficient pretreatment process using ionic liquids”,
The 4th International Cellulose Conference, Centennial Hall Kyoshu University School of Medicine, Fukuoka, Japan, OCT 17-20, Poster, 2017

László Szabó, Renáta Homlok, Krisztina Kovács, Erzsébet Illés, Ágnes Belák, Csilla Mohácsi-Farkas, Erzsébet Takács, László Wojnárovits, Kenji Takahashi,
“Electron beam treatment for antibiotic resistance management purposes: matrix effects and microbiological aspects”,
The 30th Miller Conference on Radiation Chemistry, Castellammare del Golfo, Sicily, Itary, OCT 7-11, Poster, 2017

Masaaki Omichi, Masashi Genda, Karolina M. Kowalska, Kenji Takahashi,
“Improvement of mechanical property of carbon-fiber-reinforced-plastic by electron beam irradiation”,
The 30th Miller Conference on Radiation Chemistry, Castellammare del Golfo, Sicily, Itary, OCT 7-11, Poster, 2017

Kenji Takahashi,
“Lignocellulose-refinery using ionic liquids”,
The 8th International Symposium of Advanced Energy Science, Kihada Hall, Uji Obaku Plaza, Uji Campus, Kyoto University, Japan, SEP 5-7, Oral, 2017 Invited

Yumiko Shimada, Kosuke Kuroda, Kazuaki Ninomiya, Kenji Takahashi,
“New design of a polar ionic liquid switchable in miscibility with water by CO2/N2”,
254th American Chemical Society National Meeting & Exposition, Washington DC Convention Center, USA, AUG 20-24, Poster, 2017

Sara Senda, Takatsugu Endo, Takayuki Tsukegi, Kenji Takahashi,
“Biomass Composites from Herbaceous-based Lignocellulose Nano Fibers”,
254th American Chemical Society National Meeting & Exposition, Washington DC Convention Center, USA, AUG 20-24, Poster, 2017

April Nway Nway Htet, Mana Noguchi, Kazuaki Ninomiya, Yota Tsuge, Shinya Kajita, Eiji Masai, Yoshihiro Katayama, Kazuhiro Shikinaka, Yuichiro Otsuka, Masaya Nakamura, Kosuke Kuroda, Ryo Honda, Kenji Takahashi,
“Production of 2-pyrone 4,6-dicarboxylic acid using algae-hydrolysate as fermentation medium”,
254th American Chemical Society National Meeting & Exposition, Washington DC Convention Center, USA, AUG 20-24, Poster, 2017

Ei Mon Aung, Takatsugu Endo, Shunsuke Fujii, Kosuke Kuroda, Kazuaki Ninomiya, Kenji Takahashi,
“Efficient Ionic Liquid Pretreatment of Cellulose at High Loading”,
254th American Chemical Society National Meeting & Exposition, Washington DC Convention Center, USA, AUG 20-24, Poster, 2017

Kenji Takahashi, Ryohei Kakuchi, Kazuaki Ninomiya, Tomoyuki Ikai, Katsuhiro Maeda, Hadi Abroshan, Hyung Kim,
“Reaction Mechanism of Transesterification of Cellulose in Ionic liquids”,
21st International Conference on Solid State Ionics, Padova Fiere (Padua, Italy), JUN 18-23, Oral, 2017

Shiori Suzuki, Risa Yada, Kenji Takahashi,
“Direct Transesterification of Biomass with Ionic Liquid Catalyst”,
21st International Conference on Solid State Ionics, Padova Fiere (Padua, Italy), JUN 18-23, Poster, 2017

Kosuke Kuroda, Kyohei Miyamura, Heri Satria, Yota Tsuge, Kazuaki Ninomiya, Kenji Takahashi,
“Extremely biocompatible cellulose solvents-what is the key structure of ionic liquids to satisfy both low toxicity and cellulose dissolution ability?”,
The 97th Annual Meeting of The Chemical Society of Japan-Asian International Symposium(日本化学会年会・アジア国際シンポジウム), Keio University, Yokohama, Japan, MAR 16-19, Oral, 2017 Invited

2016

Shuhei Nomura, Makoto Yamaguchi, Ryo Ito, Ryohei Kakuchi, Kenji Takada, Tomoyuki Ikai, Kazuaki Ninomiya, Katsuhiro Maeda, Kenji Takahashi,
“Transesterification Reactions of Cellulose in a Mixture of Ionic Liquid and Dimethyl Sulfoxide”,
The 11th SPSJ International Polymer Conference (IPC2016), Fukuoka Convention Center, Fukuoka, Japan, DEC 13-16, Poster, 2016

Rina Hoshino, Makoto Yamaguchi, Ryo Ito, Ryohei Kakuchi, Kenji Takada, Takatsugu Endo, Tomoyuki Ikai, Kazuaki Ninomiya, Katsuhiro Maeda, Kenji Takahashi,
“Design and synthesis of cellulose based thermoplastics for application to CFRP”,
The 11th SPSJ International Polymer Conference (IPC2016), Fukuoka Convention Center, Fukuoka, Japan, DEC 13-16, Poster, 2016

Kosuke Kuroda, Kyohei Miyamura, Kazuaki Ninomiya, Kenji Takahashi,
“Cellulose hydrolysis and simultaneous purification in hydrophobic and acidic ionic liquids”,
EMN Meeting on Ionic Liquids, Chatrium Hotel Riverside Bangkok, Bangkok, Thailand, NOV 9-13, Oral, 2016 Invited

Kenji Takahashi,
“Solvation dynamics and reaction of excess electron in ionic liquid”,
18th International Meeting on Radiation Processing(IMRP2016), The Westin Bayshore,Vancouver, BC,Canada, NOV 7-11, Oral, 2016

Kenji Takahashi, Raluca Musato, Andy Cook, Takafumi Kondo, Masao Godo, Yoichi Yoshida, Jim Wishart,
“Excess electron solvation dynamics at low temperature ionic liquid matrix”,
International Conference on Ionizing Processes (ICIP2016), Brookhaven National Laboratory, USA, OCT 10-14, Poster, 2016

Raluca Musato, Takafumi Kondo, Masao Godo, Yoichi Yoshida, Kenji Takahashi,
“Radiolytic yield of solvated electrons in ionic liquid and it’s solvation dynamics at low temperature”,
International Conference on Ionizing Processes (ICIP2016), Brookhaven National Laboratory, USA, OCT 10-14, Poster, 2016

Kenji Takahashi, Ryohei Kakuchi, Ryo Ito, Shuhei Nomura, Hadi Abroshan, Kazuaki Ninomiya, Tomoyuki Ikai, Katsuhiro Maeda, Hyung Kim,
“A Precise Understanding of Organocatalytic Properties of Imidazolium-Based Ionic Liquids; Catalytic Processes involve N-heterocyclic carbenes or not ?”,
6th International IUPAC Conference on Green Chemistry, Centro Culturale Candiani, Venice, Italy, SEP 4-8, Oral, 2016

Shuhei Nomura, Makoto Yamaguchi, Ryo Ito, Ryohei Kakuchi, Kenji Takada, Tomoyuki Ikai, Kazuaki Ninomiya, Katsuhiro Maeda, Kenji Takahashi,
“Optimization of Ionic Liquid-Catalyzed Transesterification Reactions of Cellulose”,
6th International IUPAC Conference on Green Chemistry, Centro Culturale Candiani, Venice, Italy, SEP 4-8, Poster, 2016

Rina Hoshino, Makoto Yamaguchi, Ryo Ito, Ryohei Kakuchi, Kenji Takada, Takatsugu Endo, Tomoyuki Ikai, Kazuaki Ninomiya, Katsuhiro Maeda, Kenji Takahashi,
“Facile chemical conversion of cellulose into thermoplastic polymers using organocatalytic function of ionic liquids”,
6th International IUPAC Conference on Green Chemistry, Centro Culturale Candiani, Venice, Italy, SEP 4-8, Poster, 2016

Shiori Suzuki, Yoshiki Shibata, Ryo Itoh, Makoto Yamaguchi, Ryohei Kakuchi, Kenji Takahashi,
“The Reaction Mechanism of a Direct Trans-esterification of Raw Biomass in Ionic Liquid”,
The 2016 Gordon Research Conference(GRC), Grand Summit Hotel, Sunday River, Newry, US, AUG 14-19, Poster, 2016

Kosuke Kuroda, Kyohei Miyamura, Heri Satria, Kazuaki Ninomiya, Kenji Takahashi,
“One-pot production of ethanol from biomass using biocompatible liquid zwitterions”,
The 2016 Gordon Research Conference(GRC), Grand Summit Hotel, Sunday River, Newry, US, AUG 14-19, Poster, 2016 Best Poster Award

Ryohei Kakuchi, Kenji Takada, Ryo Itoh, Makoto Yamaguchi, Hadi Abroshan, Shiori Suzuki, Tomoyuki Ikai, Kazuaki Ninomiya, Katsuhiro Maeda, Hyung Kim, Kenji Takahashi,
“Is carbene a catalyst for transesterification of cellulose?”,
The 2016 Gordon Research Conference(GRC), Grand Summit Hotel, Sunday River, Newry, US, AUG 14-19, poster, 2016

Shiori Suzuki, Yoshiki Shibata, Kenji Takada, Ryohei Kakuchi, Kenji Takahashi,
“The Reaction Mechanism of a Direct Trans-esterification of Raw Biomass in Ionic Liquids and Optimization of Reaction Conditions for Industrial Application”,
The 2016 Gordon Research Seminar (GRS), Grand Summit Hotel, Sunday River, Newry, US, AUG 13-14, Oral, 2016

Yumiko Shimada, Kenji Takahashi, Kosuke Kuroda,
“Switchable ionic liquids to zwitterions by means of dynamic covalent bond”,
The 2016 Gordon Research Seminar (GRS), Grand Summit Hotel, Sunday River, Newry, US, AUG 13-14, Poster, 2016

Ryohei Kakuchi, Kenji Takada, Ryo Itoh, Makoto Yamaguchi, Shiori Suzuki, Tomoyuki Ikai, Kazuaki Ninomiya, Katsuhiro Maeda, Kenji Takahashi,
“Carbene can be produced from ionic liquids”,
26th EUCEM Conference on Molten Salts and Ionic Liquids, Hotel Savoyen, Vienna, Austria, JUL 3-8, Poster, 2016

Shiori Suzuki, Yoshiki Shibata, Makoto Yamaguchi, Ryohei Kakuchi, Kenji Takahashi,
“Direct esterification and Separation of Biomass Components with Ionic Liquid catalysts”,
7th Australian Symposium on Ionic Liquids(ASIL7), Harbourview Function Centre, Newcastle, Australia, MAY 23-26, Poster, 2016

Ryohei Kakuchi, Makoto Yamaguchi, Rina Hoshino, Shiori Suzuki, Kenji Takada, Masaaki Omichi, Kazuaki Ninomiya, Kenji Takahashi,
“An Efficient Trans-esterification of Cellulose in Ionic Liquid and its Application to Carbon Fiber Reinforced Plastic”,
7th Australian Symposium on Ionic Liquids(ASIL7), Harbourview Function Centre, Newcastle, Australia, MAY 23-26, Oral, 2016 Invited

Kenji Takahashi,
“Production of Cellulosic plastics in Ionic Liquid and its Application to Carbon Fiber Reinforced Plastic”,
Workshop on Electron Beam Application 2016, Korea Atomic Energy Research Institute, Korea, MAY 19, Oral, 2016 Invited

Kosuke Kuroda, Kyohei Miyamura, Heri Satria, Yumiko Shimada, Daiki Sato, Hiroyuki Ohno, Kazuaki Ninomiya, Kenji Takahashi,
“How can we realize successive processes from lignocellulose to ethanol?”,
FILL symposium, Tokyo Univ. Agri. Tech., Japan, JAN 22, Oral, 2016 Invited

2015

Ryohei Kakuchi, Hiroki Maeba, Makoto Yamaguchi, Ryo Ito, Tomoyuki Ikai, Kazuaki Ninomiya, Katsuhiro Maeda, Kenji Takahashi,
“A green application of cellulose based polymers for composite materials”,
JISSE-14, Shiinoki Cultural Complex, Ishikawa, DEC 6-9, Oral, 2015

Kosuke Kuroda, Kyohei Miyamura, Kazuaki Ninomiya, Kenji Takahashi,
“Synthesis of acidic and hydrophobic ionic liquids and its application to cellulose treatment”,
JISSE-14, Shiinoki Cultural Complex, Ishikawa, DEC 6-9, Oral, 2015

Takatsugu Endo, Mifuyu Yoshimura, Mai Tatsumi, Kazuaki Ninomiya, Kenji Takahashi,
“Recovery of ionic liquids with electrodialysis for biomass processing”,
JISSE-14, Shiinoki Cultural Complex, Ishikawa, DEC 6-9, Oral, 2015

Kazuaki Ninomiya, Ryohei Kakuchi, Takatsugu Endo, Kosuke Kuroda, Mana Noguchi, Chiaki Ogino, Nobuaki Shimizu, Kenji Takahashi,
“Lignocellulosic biomass refinery using biocompatible ionic liquids”,
The 21th Symposium of Young Asian Biochemical Engineers’ Community, Gangwon-do, Korea, OCT 14-16, Oral, 2015 Invited

Kenji Takahashi, Yoshiki Shibata, Ryohei Kakuchi, Kazuaki Ninomiya,
“Direct chemical conversion and fractionation of lignocellulosic biomass into polysaccharide and lignin derivatives in ionic liquids as solvent and catalyst”,
2nd EuCheMS Congress on Green and Sustainable Chemistry, The CGD auditorium of the Faculty of Sciences and Technology of the Nova University of Lisbon, Portugal, OCT 4-7, Oral, 2015

Kai Shimomura, Kosuke Kuroda, Kazuaki Ninomiya, Kenji Takahashi,
“Valorization of lignin dissolved in ionic liquids by non-thermal atmospheric plasma”,
2nd EuCheMS Congress on Green and Sustainable Chemistry, The CGD auditorium of the Faculty of Sciences and Technology of the Nova University of Lisbon, Portugal, OCT 4-7, Poster, 2015

Yumiko Shimada, Kosuke Kuroda, Kazuaki Ninomiya, Kenji Takahashi,
“A new class of ionic liquid: reversible change between hydrophilicity and hydrophobicity by means of dynamic covalent bond”,
2nd EuCheMS Congress on Green and Sustainable Chemistry, The CGD auditorium of the Faculty of Sciences and Technology of the Nova University of Lisbon, Portugal, OCT 4-7, Poster, 2015

Kyohei Miyamura, Kosuke Kuroda, Kazuaki Ninomiya, Kenji Takahashi,
“Hydrolysis of cellulose and recovery of glucose aqueous solution favorable to fermentation by using an acidic and hydrophobic ionic liquid”,
2nd EuCheMS Congress on Green and Sustainable Chemistry, The CGD auditorium of the Faculty of Sciences and Technology of the Nova University of Lisbon, Portugal, OCT 4-7, Poster, 2015 Best Poster Award

Kosuke Kuroda, Kenji Takahashi, Hiroyuki Ohno,
“Ionic liquids enable accurate chromatographic analysis of polyelectrolytes”,
2nd EuCheMS Congress on Green and Sustainable Chemistry, The CGD auditorium of the Faculty of Sciences and Technology of the Nova University of Lisbon, Portugal, OCT 4-7, Poster, 2015

Kosuke Kuroda, Kenji Takahashi, Hiroyuki Ohno,
“HPLC analysis of molecular weight distribution of cellulose and lignin extracted from biomass using ionic liquids”,
2nd EuCheMS Congress on Green and Sustainable Chemistry, The CGD auditorium of the Faculty of Sciences and Technology of the Nova University of Lisbon, Portugal, OCT 4-7, Poster, 2015

Shota Hosomi, Takatsugu Endo, Kazuaki Ninomiya, Kenji Takahashi,
“Investigation of cellulose dissolution process in an ionic liquid 1-ethyl-3-methylimidazolium acetate”,
2nd EuCheMS Congress on Green and Sustainable Chemistry, The CGD auditorium of the Faculty of Sciences and Technology of the Nova University of Lisbon, Portugal, OCT 4-7, Poster, 2015

Elizaveta V. Saenko, Maria A. Lukianova, Ekaterina S. Shiryaeva, Kenji Takahashi, Vladimir I. Feldman,
“Radiation-Induced intermediates in irradiated glassy ionic liquids at low temperature”,
Engineering International Committee (EIC), Semarang, Indonesia, SEP 9-10, Oral, 2015 Invited

Kenji Takahashi, Raluca M. Musat, Takahumi Kondoh, Yoichi Yoshida,
“Spectra and solvation dynamics of excess electron ionic liquids”,
13th TIHANY SYMPOSIUM ON RADIATION CHEMISTRY, Ramada Hotel & Resort Lake Balaton, Hungary, AUG 29-SEP 3, Oral, 2015 Invited

D. L. Poster, L. R. Karam, J. A. Small, J. G. Kushmerick, M. T. Postek, J. A. Dagata, K. Takahashi,
“Radiation Chemistry Activities at nist to support the synthesis of advanced materials”,
13th TIHANY SYMPOSIUM ON RADIATION CHEMISTRY, Ramada Hotel & Resort Lake Balaton, Hungary, AUG 29-30, Oral, 2015 Invited

Elizaveta V. Saenko, Maria A. Lukianova, Ekaterina S. Shiryaeva, Kenji Takahashi, Vladimir I. Feldman,
“Radiaton-induced intermediates in irradiated glassy ionic liquids at low temperature”,
13th TIHANY SYMPOSIUM ON RADIATION CHEMISTRY, Ramada Hotel & Resort Lake Balaton, Hungary, AUG 29-30, Poster, 2015

Ryohei Kakuchi, Makoto Yamaguchi, Yoshiki Shibata, Kazuaki Ninomiya, Tomoyuki Ikai, Katsuhiro Maeda, Kenji Takahashi,
“Robust transesterification reactions of cellulose in imidazolium-based ionic liquids”,
250th ACS National Meeting & Exposition, 415 Summer St Boston, MA 02210, USA, AUG 16-20, Poster, 2015

Ryohei Kakuchi, Makoto Yamaguchi, Yoshiki Shibata, Kazuaki Ninomiya, Kenji Takahashi,
“Production and Fractionation of polysaccharide Derivatives via Direct Polymer Analogous Reaction of Lignocellulosic Biomass in Ionic Liquids”,
3rd International Symposium on Green Chemistry, La Rochelle, France, MAY 3-6, Poster, 2015

Yoshiki Shibata, Makoto Yamaguchi, Ryohei Kakuchi, Kenji Takahashi,
“Direct chemical modification and separation of biomass components using ionic liquids based organocatalysts”,
249th ACS National Meeting & Exposition, 700 14th Street, Denver, CO 80202, MAR 22-26, Poster, 2015 2015 Annual Cellulose Best Poster Award

Ryohei Kakuchi, Yoshiki Shibata, Makoto Yamaguchi, Kenji Takahashi,
“Development of an efficient polymer analogous reaction in ionic liquids and its application to chemical modification of lignocellulose”,
249th ACS National Meeting & Exposition, 700 14th Street, Denver, CO 80202, MAR 22-26, Poster, 2015

Kosuke Kuroda, Kyohei Miyamura, Kazuaki Ninomiya, Kenji Takahashi,
“Biorefinery with acidic ionic liquids”,
Biorefinery with acidic ionic liquids FILL symposium, Tokyo, Japan, FEB 26, Oral, 2015 Invited

2014

Yoshiki Shibata, Makoto Yamaguchi, Ryohei Kakuchi, Takatsugu Endo, Kazuaki Ninomiya, Kenji Takahashi,
“Derivatization and separation of biomass components using ionic liquids based organocatalysts”,
2nd International Conference & 7th Symposium on Organocatalysis, Tokyo, Japan, NOV 21-22, Poster, 2014

Kenji Takahashi,
“Solvation dynamics of excess electrons in low temperature ionic liquid”,
Chemistry and Physics at Low Temperatures (CPLT-2014), Suzdal, Russia, AUG 24-29, Oral, 2014 Invited

Elizaveta V. Saenko, Ekaterina S. Shiryaeva, Kenji Takahashi,
“EXCESS ELECTRONS IN IRRADIATED GLASSY PYRROLIDINIUM- AND PIPERIDINIUM-TYPE IONIC LIQUIDS AT LOW TEMPERATURE”,
Chemistry and Physics at Low Temperatures (CPLT-2014), Suzdal, Russia, AUG 24-29, Poster, 2014 The best poster award

Raluca M. Musat, Takafumi Kondo, Youichi Yoshida, Kenji Takahashi,
“Solvation dynamics of excess electrons in low temperature ionic liquid”,
Chemistry and Physics at Low Temperatures (CPLT-2014), Suzdal, Russia, AUG 24-29, Oral, 2014 Invited

Kenji Takahashi, Mai Tatsumi, Koji Osawa, Kazuaki Ninomiya,
“Separation of ionic liquid from glucose solution”,
Gordon Research Conferences Ionic Liquids, River Resort Newry, ME, Boston, USA, AUG 17-22, Poster, 2014

Kenji Takahashi, Raluca M. Musat, Takahumi Kondo, Yoichi Yoshida,
“Spectra and solvation dynamics of excess electron in ionic liquids”,
248th American Chemical Society National Meeting & Exposition, San Francisco, USA, AUG 10-14, Oral, 2014 Invited

Kenji Takahashi,
“Excess Electron in Ionic Liquids – Kinetics, Spectra and Dynamics”,
Gordon Recearch Conferences Radiation Chemistry, Andover.NH, USA, JUL 13-18, Oral, 2014 Invited

Toshiki Kaga, Kenji Takahashi,
“Reaction of chemical species produced by DC pulse discharge plasma on water surface”,
Gordon Recearch Conferences Radiation Chemistry, Proctor Academy, USA, JUL 13-18, Poster, 2014

Tatsuo Ishijima, Yuko Imazawa, T Ito, Masatoshi Imamura, Kazuaki Ninomiya, Kenji Takahashi, Yasunori Tanaka, Yoshihiko Uesugi,
“Investigation of Chemical Species Production Rates in Aqueous Solution Irradiated by Non-equilibrium Atmospheric Pressure Jet”,
Proceedings of the 5th International Conference on Plasma Medicine (ICPM5), Nara, Japan, MAY 20, Poster, 2014

2013

Tatsuo Ishijima, Yuko Imazawa, Kazuaki Ninomiya, Kenji Takahashi, Yasunori Tanaka, Yoshihiko Uesugi,
“Investigation of OH radical generation rate in liquid induced by non-equilibrium atmosphere pressure plasma jet irradiation”,
Proceedings of the 66th Annual Gaseous Electronics Conference(GEC2013), Princeton, USA, OCT 1, 2013

Yuki Nishizawa, Yuta Takamizawa, Yuka Aomori, Ken Inoue, Kazuaki Ninomiya, Kenji Takahashi,
“Reaction of lignin dissolved in ionic liquid”,
Proceedings of the 33th International Conference on Solution Chemistry, Post Symposium on Ionic Liquids from Science to Green Chemical Application, Tokyo, Japan, JUL 13, Poster, 2013

Kazuaki Ninomiya, Kenji Takahashi,
“Biomass refinery using ionic liquids”,
Proceedings of the 33th International Conference on Solution Chemistry, Post Symposium on Ionic Liquids from Science to Green Chemical Application, Tokyo, Japan, JUL 13, Poster, 2013 Invited

Yuka Aomori, Yuki Ueda, Ken Inoue, Kazuaki Ninomiya, Kenji Takahashi,
“Application of lignin fractionated by ionic liquid to resin”,
Proceedings of the 33th International Conference on Solution Chemistry, Post Symposium on Ionic Liquids from Science to Green Chemical Application, Tokyo, Japan, JUL 13, Poster, 2013

Kazuaki Ninomiya, Kenji Takahashi,
“Pretreatment of lignocellulosic biomass using ionic liquid”,
Proceedings of the 2013 Korean Society for Microbiology and Biotechnology KMB’s 40th Anniversary International Symposium, Pyeongchang, Gangwondo, JUL 4, Oral, 2013 Invited Korean Society for Microbiology and Biotechnology

Tatsuo Ishijima, Takayuki Yamahara, Masatoshi Imamura, Kazuaki Ninomiya, Kenji Takahashi, Yasunori Tanaka, Yoshihiko Uesugi,
“Fundamental Study of OH Radical Generation Rate Induced by Low Frequency Plasma Jet”,
Proceedings of the The 9th Asian-European International Conference on Plasma Surface Engineering (AEPSE2013), Cheju, Korea, AUG 29, 2013

Kazuaki Ninomiya, Chiaki Ogino, Kenji Takahashi, Nobuaki Shimizu,
“Bio-derived ionic liquids for pretreatment of lignocellulosic biomass”,
Proceedings of the 5th Congress on ionic liquids (COIL5), Algarve, Portugal, APR 22, Poster, 2013

Tatsuo Ishijima, Takayuki Yamahara, Masatoshi Imamura, Kazuaki Ninomiya, Kenji Takahashi, Yasunori Tanaka, Yoshihiko Uesugi,
“Investigation of chemical reactions in aqueous solution irradiated by non-equilibrium atmospheric pressure plasma jet using chemical probe”,
1st International Workshop on Solution Plasma and Molecular Technologies (SPM-1), Tokyo, Japan, MAR 8, 2013

Takayuki Yamahara, Tatsuo Ishijima, Masatoshi Imamura, Kazuaki Ninomiya, Kenji Takahashi, Yasunori Tanaka, Yoshihiko Uesugi,
“Detection of OH Radicals in the Liquid produced by Nonthermal Atmospheric Pressure Jet Irradiation”,
Proceedings of the 6th International Conference on Plasma Nanotechnology and Science (IC-PLANTS 2013), Gero, Japan, FEB 2, 2013

Ryo Yamase, Toshiki Kaga, Chisato Kurosawa, Yohei Fukumura, Tatsuo Ishijima, Kenji Takahashi,
“Formation of microwave bubble plasma on water interface and application to biomass treatment”,
6th International Conference on Plasma Nanotechnology and Science (IC-PLANTS 2013), Gero, Japan, FEB, Poster, 2013

Takayuki Yamahara, Tatsuo Ishijima, Masatoshi Imamura, Kazuaki Ninomiya, Kenji Takahashi, Yasunori Tanaka, Yoshihiko Uesugi,
“Fundamental study of dissolved OH radicals in the liquid produced by atmospheric pressure plasma jet”,
Proceedings of the 5th International Symposium on Advanced Plasma Science and Its Application for Nitrides and Nanomaterials (ISPlasma 2013), Nagoya, Japan, JAN 31, 2013

Tatsuo Ishijima, Takayuki Yamahara, Masatoshi Imamura, Kazuaki Ninomiya, Kenji Takahashi, Yasunori Tanaka, Yoshihiko Uesugi,
“Investigation of Chemical Reactions in Aqueous Solution Irradiated by Atmospheric Pressure Low Frequency Plasma Jet using Chemical Probe”,
The 13th International Symposium on Biomimetic Materials Processing (BMMP-13), Takayama, Japan, JAN 25, 2013