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Ohsedo Yutaka

■FacultyFaculty Division of Engineering Research Group of Engineering
■PositionAssociate Professor
Last Updated :2023/08/02

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  • Name (Japanese)

    Ohsedo

  • Name (Kana)

    Yutaka

Degree

  • Ph. D. (Engineering), Osaka University, Mar. 2000

Research Interests

  • Functional Fiber
  • Organic functional materials
  • Polymer materials
  • Gels

Research Areas

  • Nanotechnology/Materials, Organic functional materials
  • Nanotechnology/Materials, Polymer materials

Research Experience

  • Apr. 2020, Mar. 2021, Nara Women's University, Faculty of Human Life and Environment, Department of Computer Science and Clothing Environment, Associate Professor, Japan
  • Apr. 2018, Mar. 2020, Ashikaga University, Center for liberal arts and sciences, Assistant Professor, Japan
  • Apr. 2017, Mar. 2018, Fukuoka Institute of Technology, Lecturer (Part-time) in Graduate School, Japan
  • Apr. 2017, Mar. 2018, Fukuoka Institute of Technology, Research Fellow, Japan
  • Sep. 2016, Mar. 2018, Fukuoka Institute of Technology, Lecturer (Part-time), Japan
  • Sep. 2015, Mar. 2017, Kyushu University, Art, Science and Technology Center for Cooperative Research, Research Fellow
  • Apr. 2015, Mar. 2017, Fukuoka Institute of Technology, Comprehensive Research Organization, Visiting Research Fellow, Japan
  • Sep. 2015, Mar. 2016, Fukuoka Institute of Technology, Lecturer (Part-time), Japan
  • Jul. 2015, Aug. 2015, Fukuoka Institute of Technology, Research Fellow
  • Apr. 2011, Mar. 2015, Kyushu University, Art, Science and Technology Center for Cooperative Research, Research Associate Professor
  • May 2010, Mar. 2011, Kyushu University, Art, Science and Technology Center for Cooperative Research, Research Fellow
  • Sep. 2009, May 2010, KH Neochem Co., Ltd. (formerly known as Kyowa Hakko Chamical Co., Ltd.), R&D Division, Head Office, Assistant Manager
  • Apr. 2007, Sep. 2009, KH Neochem Co., Ltd. (formerly known as Kyowa Hakko Chamical Co., Ltd.), Yokkaichi Research Laboratories, Leader
  • Aug. 2003, Mar. 2007, KH Neochem Co., Ltd. (formerly known as Kyowa Hakko Chamical Co., Ltd.), Yokkaichi Research Laboratories, Researcher
  • Nov. 2001, Jul. 2003, Hokkaido University, Graduate School of Science, Research Associate, Japan
  • Apr. 2000, Oct. 2001, Osaka University, Graduate School of Engineering, Research Associate, Japan
  • Apr. 2021, 9999, Nara Women's University, Faculty Division of Engineering, Research Group of Engineering, Associate Professor, Japan

Education

  • Apr. 1997, Mar. 2000, Osaka University, Graduate School of Engineering, Department of Materials Chemistry, Doctor's Course
  • Apr. 1995, Mar. 1997, Osaka University, Graduate School of Engineering, Department of Materials Chemistry, Master's Course
  • Apr. 1993, Mar. 1995, Osaka University, Faulty of Engineering, Department of Applied Chemistry
  • Apr. 1988, Mar. 1993, Kobe City College of Technology, Department of Applied Chemistry

Association Memberships

  • American Chemical Society, Nov. 2019, 9999
  • THE SOCIETY OF SYNTHETIC ORGANIC CHEMISTRY, JAPAN, Mar. 2005, 9999
  • THE CHEMICAL SOCIETY OF JAPAN, Apr. 2000, 9999
  • THE SOCIETY OF POLYMER SCIENCE, JAPAN, Apr. 2000, 9999

Ⅱ．研究活動実績

Published Papers

  • Refereed, Materials Advances, Royal Society of Chemistry (RSC), Structure-regulated tough elastomers of liquid crystalline inorganic nanosheet/polyurethane nanocomposites, Toki Morooka; Yutaka Ohsedo; Riki Kato; Nobuyoshi Miyamoto,

    Liquid crystalline nanosheet/polyurethane composite elastomers with superior mechanical properties were successfully synthesized using the newly developed in situ polymerization technique.

    , Jan. 2021, 2, 3, 1035, 1042, Scientific journal, 10.1039/d0ma00768d
  • Refereed, ACS Omega, AMER CHEMICAL SOC, Liquid Crystalline Colloidal Mixture of Nanosheets and Rods with Dynamically Variable Length, Riki Kato; Akira Kakugo; Kazuhiro Shikinaka; Yutaka Ohsedo; Arif Md; Rashedul Kabir; Nobuyoshi Miyamoto, Here, we demonstrate the novel double-component liquid crystalline colloids composed of mesogenic inorganic nanosheets and the rods with dynamically variable length controlled by temperature. As the length-controllable rod, stiff biopolymer microtubule is used, which was successfully polymerized/depolymerized from tubulin proteins through a biochemical process even in the presence of the nanosheets. The mesoscopic structure of the liquid crystal phase was reversibly modifiable as caused by the change of the rod length., Nov. 2018, 3, 11, 14869, 14874, Scientific journal, 10.1021/acsomega.8b01050
  • Refereed, The Journal of Physical Chemistry B, American Chemical Society, Anisotropic Self-Oscillating Reaction in Liquid Crystalline Nanosheet Hydrogels, Morio Shintate; Takumi Inadomi; Shinya Yamamoto; Yusuke Kuboyama; Yutaka Ohsedo; Takashi Arimura; Tomoka Nakazumi; Yusuke Hara; Nobuyoshi Miyamoto, Anisotropic chemical wave propagation of self-oscillating Belousov-Zhabotinsky (BZ) reaction was demonstrated in the poly(N-isopropylacrylamide) gel films embedded with macroscopically aligned liquid crystalline inorganic nanosheets. Although the average propagation rate of chemical wave v was 3.56 mm min-1 in the gels without nanosheets, the propagation was retarded in the gels with 1 wt % of nanosheets: v = 1.89 mm min-1 and v = 1.33 mm min-1 along the direction parallel and perpendicular to the nanosheet planes, respectively. Thus, the wave propagation is anisotropic with the anisotropy ratio v-/v = 1.42 in these gels and the periodic patterns formed by the BZ reaction were concentric ellipses, different from circles seen in isotropic gels. Furthermore, the propagation rate and degree of anisotropy were controllable by nanosheet concentration. These phenomena can be explained that the diffusion of molecules inside the gel is effectively hindered along the direction perpendicular to the nanosheet planes due to the very large aspect ratio of the aligned nanosheets. The present systems will be applicable for anisotropic self-oscillating soft actuators with one-dimensional motions as well as for ideal model system of BZ reactions., Mar. 2018, 122, 11, 2957, 2961, Scientific journal, 10.1021/acs.jpcb.7b11631
  • Refereed, Royal Society Open Science, ROYAL SOC, New composite thixotropic hydrogel composed of a polymer hydrogelator and a nanosheet, Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe; Nobuyoshi Miyamoto, A composite gel composed of a water-soluble aromatic polyamide hydrogelator and the nanosheet Laponite (R), a synthetic layered silicate, was produced and found to exhibit thixotropic behaviour. Whereas the composite gel contains the gelator at the same concentration as the molecular gel made by the gelator only, the composite gel becomes a softer thixotropic gel compared to the molecular gel made by the gelator only. The reason for this could be that bundles of polymer gelator may be loosened and the density of the polymer network increased in the presence of Laponite., Nov. 2017, 4, 12, 171117, Scientific journal, 10.1098/rsos.171117
  • Refereed, New Journal of Chemistry, ROYAL SOC CHEMISTRY, Synthesis of an electronically conductive hydrogel from a hydrogelator and a conducting polymer, Yutaka Ohsedo; Kowichiro Saruhashi; Hisayuki Watanabe; Nobuyoshi Mlyamoto, The present study demonstrates that the synthetic output of a polymer hydrogelator and a water-soluble electronically conductive polymer exhibits thixotropy due to the hydrogelator although each component at low concentrations does not exhibit this behaviour. The composite hydrogel exhibits semiconducting electronic conductivity and is insoluble in aqueous electrolyte solutions. These properties constitute significant advantages for applications in polymer electrodes., Sep. 2017, 41, 18, 9602, 9606, Scientific journal, 10.1039/c7nj02412f
  • Refereed, RSC Advances, ROYAL SOC CHEMISTRY, Thixotropic stiff hydrogels from a new class of oleoyl-D-glucamine-based low-molecular-weight gelators, Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe; Nobuyoshi Miyamoto, A series of new compounds comprising oleoyl, amino acid and D-glucamine moieties were synthesised using mild reaction conditions, and their hydrogelation ability was evaluated. The gels exhibited improved stiffness and thixotropic properties dependent on the chemical structure of the amino acid linker and the number of potential hydrogen bonding sites., Dec. 2017, 7, 66, 41686, 41692, Scientific journal, 10.1039/c7ra07244a
  • Refereed, Clay Science, Cultivation of Cellulose-Producing Bacteria in the Nanosheet Liquid Crystal of Na-fluorohectorite, Shinya Yamamoto; Yutaka Ohsedo; Erii Yamada; Kohta Sonoda; Hajime Mita; Nobuyoshi Miyamoto, Dec. 2015, 19, 3, 73, 77, Scientific journal, 10.11362/jcssjclayscience.19.3_73
  • Refereed, Dyes and Pigments, ELSEVIER SCI LTD, A new family of light-emissive symmetric squarylium dyes in the solid state, Yutaka Ohsedo; Kowichiro Saruhashi; Hisayuki Watanabe, High-intensity light emission was observed from symmetric squarylium dyes bearing diaryl amine moieties in the solid state unlike typical squarylium analogues. The enhanced light emission in the solid state may be ascribed to the propeller-like dye architectures, which sterically hinder the intermolecular pi-pi interactions rather than the intramolecular charge transfer. (C) 2015 Elsevier Ltd. All rights reserved., Nov. 2015, 122, 134, 138, Scientific journal, 10.1016/j.dyepig.2015.06.025
  • Refereed, RSC Advances, ROYAL SOC CHEMISTRY, Improved mechanical properties of polyacrylamide hydrogels created in the presence of low-molecular-weight hydrogelators, Yutaka Ohsedo; Makiko Taniguchi; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe, Polyacrylamide hydrogels were prepared using molecular hydrogels composed of a low-molecular-weight gelator system, octylaldonamide/sodium dodecyl sulfate as templates by photo-polymerization, and the effect of the template on the polymer hydrogel network was examined on the basis of the polymer hydrogels' performance in compression tests. It was found that the crushing stress of the obtained polymer hydrogels was enhanced by using the molecular gel templates., Oct. 2015, 5, 109, 90010, 90013, Scientific journal, 10.1039/c5ra16823f
  • Refereed, RSC Advances, ROYAL SOC CHEMISTRY, A new water-soluble aromatic polyamide hydrogelator with thixotropic properties, Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe, The water-soluble aromatic polyamide poly(3-sodium sulfo-p-phenylene terephthalamide) forms a hydrogel with anisotropy, which exhibits good thixotropic behaviour, even at the critical gel concentration of the gelator (1.0 wt%)., Sep. 2015, 5, 101, 82772, 82776, Scientific journal, 10.1039/c5ra16824d
  • Refereed, New Journal of Chemistry, ROYAL SOC CHEMISTRY, Long-chain alkylamide-derived oil gels: Mixing induced onset of thixotropy and application in sustained drug release, Yutaka Ohsedo; Makiko Taniguchi; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe, We showed that the gelation ability of commercially available long-chain alkylamides, behenamide (BAm) and erucamide (EAm) in various solvents for the first time. Furthermore, oil gels derived from mixtures of BAm and EAm exhibited thixotropic properties although the same property was absent in the oil gels prepared separately using each alkylamide. The thixotropic behaviour of a two-component mixed gel was evaluated using a rheometer quantitatively. We also found that the obtained two-component oil gel can be formulated for use as a vehicle for sustained drug release. The drug, antipyrine, in BAm/EAm (1/1, w/w) olive oil gel formulation was gradually released into water following Fickian diffusion kinetics., Jun. 2015, 39, 8, 6482, 6490, Scientific journal, 10.1039/C5NJ00999E
  • Refereed, RSC Advances, ROYAL SOC CHEMISTRY, Onset of mixing-induced thixotropy in hydrogels by mixing two homologues of low-molecular-weight hydrogelators, Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe, We determined the onset of thixotropy in hydrogels when two homologues of low-molecular-weight hydrogelators, N-alkyl-D-glucamides, were mixed. Intriguingly, the hydrogels generated from the individual components did not show such behaviour. The mixing induced onset of thixotropy might be attributed to the improved network quality., Sep. 2014, 4, 82, 43560, 43563, Scientific journal, 10.1039/c4ra08345h
  • Refereed, RSC Advances, ROYAL SOC CHEMISTRY, Creation of thixotropic multicomponent alkylamide organogels containing non-volatile oil as potential drug release host materials, Yutaka Ohsedo; Makiko Taniguchi; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe, Multicomponent alkylamide organogels containing non-volatile oils were generated as potential thixotropic host materials for medicinal applications such as ointments. In the presence of these non-volatile oils, a three-component alkyl amide system exhibited mixed induced thixotropy. This thixotropic organogel showed drug release abilities following diffusion kinetics and may be suitable drug release host materials., Aug. 2014, 4, 67, 35484, 35488, Scientific journal, 10.1039/c4ra06130f
  • Refereed, Dyes and Pigments, ELSEVIER SCI LTD, Synthesis and electrochemical properties of symmetric squarylium dyes containing diarylamine, Yutaka Ohsedo; Misao Miyamoto; Akihiro Tanaka; Hisayuki Watanabe, We studied the synthesis and electrochemical properties of symmetric squarylium dyes (SQDs) containing diarylamine with various structures. It was shown that several of our synthesized SQDs had improved electrochemical properties and might be a promising and an easy modifiable pi-conjugate core block of active materials for electroactive and photoactive devices. (C) 2013 Elsevier Ltd. All rights reserved., Feb. 2014, 101, 261, 269, Scientific journal, 10.1016/j.dyepig.2013.09.047
  • Refereed, RSC Advances, ROYAL SOC CHEMISTRY, N-Alkylamido-D-glucamine-based gelators for the generation of thixotropic gels, Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe, Hydrogels made from new gelators, composed of the alkyl chain and a D-glucamine moiety linked together with glycine(s), exhibit thixotropic properties, whereas the hydrogels formed with structurally similar N-alkyl-D-glucamide, which do not contain the glycine moiety, have a tendency to crystallize and do not show thixotropic behaviour., Sep. 2014, 4, 89, 48554, 48558, Scientific journal, 10.1039/c4ra08346f
  • Refereed, RSC Advances, Royal Society of Chemistry (RSC), A new composite thixotropic hydrogel composed of a low-molecular-weight hydrogelator and a nanosheet, Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe; Nobuyoshi Miyamoto,

    New composite comprised of low-molecular-weight hydrogelator and the nanosheet Laponite®, showed thixotropic behaviour.

    , Sep. 2014, 4, 84, 44837, 44840, Scientific journal, 10.1039/c4ra08542f
  • Refereed, New Journal of Chemistry, ROYAL SOC CHEMISTRY, Synthesis of a new squarylium alkylamide family and its organogelation ability, Yutaka Ohsedo; Misao Miyamoto; Akihiro Tanaka; Hisayuki Watanabe, A new family of squarylium monoalkylamides and dialkylamides was synthesised and its organogelation ability was evaluated. We found that both squarylium monoalkylamides and dialkylamides formed organogels in DMF. We also found that ion-selective organogel formation was observed in DMF solutions containing metal ions, and gel electrolytes consisting of squarylium alkylamides, DMF and LiClO4 showed good ionic conductivities comparable to that of the corresponding liquid electrolytes., Jul. 2013, 37, 9, 2874, 2880, Scientific journal, 10.1039/c3nj00451a
  • Refereed, New Journal of Chemistry, ROYAL SOC CHEMISTRY, Mixing induced thixotropy of a two-component system of alkylurea organogelators having different alkyl chains, Yutaka Ohsedo; Masashi Oono; Akihiro Tanaka; Hisayuki Watanabe, Mixing induced thixotropy was demonstrated on a two-component system of alkylurea with different alkyl chains known as low-molecular-weight organogelators. Individually, the component gels did not show thixotropic behavior. The improved network structure obtained by mixing might enable enhanced toughness and stimulus-responsiveness of mixed gels., May 2013, 37, 8, 2250, 2253, Scientific journal, 10.1039/c3nj00450c
  • Refereed, Chemistry Letters, CHEMICAL SOC JAPAN, Mixing enhancement effect of low-molecular-weight organogelators for thixotropic organogel creation, Yutaka Ohsedo; Hisayuki Watanabe; Masashi Oono; Akihiro Tanaka, In this study, we found that organogels composed of mixed alkylhydrazide derivatives with different alkyl chains as low-molecular-weight organogelators showed thixotropic properties, whereas organogels composed of a single alkylhydrazide component did not show such properties. With a two- or three-component system of alkylhydrazides, the transparency and mechanical properties of the resulting organogels were enhanced. This mixing enhancement for organogelators might be due to an improved network of closer and finer fibers compared to that in a one-component system., Mar. 2013, 42, 4, 363, 365, Scientific journal, 10.1246/cl.121203
  • Refereed, Bulletin of the Chemical Society of Japan, CHEMICAL SOC JAPAN, Alkylhydrazide derivatives as new organogelators and their potential ability to gel electrolytes, Yutaka Ohsedo; Misao Miyamoto; Hisayuki Watanabe; Masashi Oono; Akihiro Tanaka, We found that alkylhydrazides, which are commercially available reagents, formed organogels in various organic solvents having dielectric constants ranging from 2 to 66. We also found that gel electrolytes consisting of alkylhydrazide, PC, and LiClO4 showed good ionic conductivities, which were comparable to those of the corresponding liquid electrolytes., Mar. 2013, 86, 5, 671, 673, Scientific journal, 10.1246/bcsj.20120352
  • Refereed, RSC Advances, Improved mechanical properties of alkylamide organogels via a mixing enhancement effect, Yutaka Ohsedo; Hisayuki Watanabe; Masashi Oono; Akihiro Tanaka, Mixtures of alkylamide derivatives with different alkyl chains were found to form organogels which exhibit thixotropic properties, while single alkylamide components formed organogels which did not exhibit such properties. With a three-component alkylamide system, the transparency and mechanical properties (toughness and stimulus-responsiveness) of the resulting organogels were enhanced. This mixing enhancement for organogelators may be due to the improved network density compared with that of the one-component systems. © 2013 The Royal Society of Chemistry., Feb. 2013, 3, 17, 5803, 5806, Scientific journal, 10.1039/c3ra23488f
  • Refereed, RSC Advances, Royal Society of Chemistry, Hydrogel formed by a simple squaric acid derivative, Yutaka Ohsedo; Misao Miyamoto; Masashi Oono; Kazuaki Shikii; Akihiro Tanaka, A new and simple low-molecular-weight gelator containing squaric acid moiety (PhSQ) forms a hydrogel or crystal in aqueous solution depending on the PhSQ concentration. The hydrogelation ability of PhSQ can be enhanced by adding an acid reagent. The hydrogel might consist of bundles of PhSQ whose hydrophilic porous cavities contain water. © 2013 The Royal Society of Chemistry., Jan. 2013, 3, 12, 3844, 3847, Scientific journal, 10.1039/c2ra22921h
  • Refereed, Proceedings of SPIE - The International Society for Optical Engineering, SPIE-INT SOC OPTICAL ENGINEERING, Hole-transporting and emitting pendant polymers for organic electroluminescent devices, Hiroshi Kageyama; Daisuke Mutaguchi; Keisuke Hashimoto; Daisuke Nagamatsu; Masatake Tanaka; Kenji Okumoto; Yutaka Ohsedo; Yasuhiko Shirota, New hole-transporting pendant polymers with high glass-transition temperatures (Tgs) above 200 degrees C were designed and synthesized. Multilayer organic electroluminescent (EL) devices using the new polymers as the hole-transport layer and quinacridone-doped tn's(8-quinolinolato)aluminum as the emitting layer exhibited high performance. One of the hole-transporting polymers functioned well as a hole injection buffer layer in organic EL devices. New green- and orange-emitting pendant polymers with high Tgs and desired ambipolar character were also designed and synthesized. Organic EL devices using these emitting polymers also exhibited good performance. One of the hole-transporting polymer showed a high hole carrier mobility of over 10(-3) cm(2)V(-1) s(-1) at an electric field of 1.0 x 10(5) Vcm(-1), as determined by a time-of-flight method., Dec. 2006, 6333, 63330G, Scientific journal, 10.1117/12.682702
  • Refereed, Langmuir, AMER CHEMICAL SOC, Surface friction of hydrogels with well-defined polyelectrolyte brushes, Yutaka Ohsedo; Rikiya Takashina; Jian Ping Gong; Yoshihito Osada, Hydrogels of poly(2-hydroxyethyl methacrylate) (PHEMA) with well-defined polyelectrolyte brushes of poly(sodium 4-styrenesulfonate) (PNaSS) of various molecular weights were synthesized, keeping the distance between the polymer brushes constant at ca. 20 nm. The effect of polyelectrolyte brush length on the sliding friction against a glass plate, an electrorepulsive solid substrate, was investigated in water in a velocity range of 7.5 x 10(-5) to 7.5 x 10(-2) m/s. It is found that the presence of polymer brush can dramatically reduce the friction when the polymer brushes are short. With an increase in the length of the polymer brush, this drag reduction effect only works at a low sliding velocity, and the gel with long polymer brushes even shows a higher friction than that of a normal network gel at a high sliding velocity. The strong polymer length and sliding velocity dependence indicate a dynamic mechanism of the polymer brush effect., Jul. 2004, 20, 16, 6549, 6555, Scientific journal, 10.1021/la036211+
  • Refereed, Langmuir, AMER CHEMICAL SOC, Shear-induced mesophase organization of polyanionic rigid rods in aqueous solution, Takafumi Funaki; Tatsuo Kaneko; Kanji Yamaoka; Yutaka Ohsedo; Jian Ping Gong; Yoshihito Osada; Mitsuru Ueda; Yuzo Shibasaki, Jun. 2004, 20, 15, 6518, 6520, Scientific journal, 10.1021/la0364284
  • Refereed, Macromolecular Chemistry and Physics, WILEY-V C H VERLAG GMBH, Study on Doping Behaviors of Vinyl Hydrogels with Pendant Terthiophenes, Li Chen; Jian Ping Gong; Yutaka Ohsedo; Yoshihito Osada, The water-swollen poly(AA3T-co-NaSS) and poly(AA3T-co-PEG) gels were synthesized by radical copolymerization of the monomer, [(2,2:5',2"-terthiophen-5-yl)methyl acrylate] (AA3T), containing pendant terthiophenes as an electron-conducting material with a soluble monomer, sodium p-styrenesulfonate (NaSS), or oligo(ethylene glycol) (PEG); their swelling, spectral, and doping behaviors were investigated. The degree of swelling of the poly(AA3T-co-PEG) gel was independent of the pH, whereas that of poly(AA3T-co-NaSS) gel increases abruptly below pH 3, which suggests self-doping between the AA3T and NaSS groups. The self-doping is not suppressed by cross-linking. Both poly(AA3T-co-NaSS) and poly(AA3T-co-PEG) gels can be chemically doped with concentrated HCl or HClO4 solution., Nov. 2003, 204, 17, 2142, 2146, Scientific journal, 10.1002/macp.200350067
  • Refereed, Journal of Polymer Science, Part B: Polymer Physics, Synthesis and electrochromic properties of a new family of methacrylate polymers containing pendant oligothiophenes, Yutaka Ohsedo; Ichiro Imae; Yasuhiko Shirota, A new family of methacrylate polymers containing pendant terthiophene, quaterthiophene, quinquethiophene, and sexithiophene was synthesized by the radical polymerization of the corresponding methacrylate monomers, and the electrochemical and electrochromic properties were investigated. The anodic oxidation of these polymers in the presence of tetra-n-butylammonium perchlorate as a supporting electrolyte produced radical-cation salts of pendant oligothiophenes with ClO4- as a dopant. The electrochemically oxidized polymers had partially crosslinked structures resulting from the coupling reaction of pendant oligothiophene radical cations, the extent of crosslinking significantly decreasing with the increasing conjugation length of the pendant oligothiophenes. Comparative spectroelectrochemical studies of the monomers in solution and the polymers as solid films showed that π-dimer formation of oligothiophene radical cations took place more readily for the polymer films than for the monomers in solution. This new family of methacrylate polymers containing pendant oligothiophenes constitutes a new class of potential electrochromic materials, undergoing reversible, clear color changes on electrochemical oxidation and reduction., Sep. 2003, 41, 21, 2471, 2484, Scientific journal, 10.1002/polb.10653
  • Refereed, Organic Electronics: physics, materials, applications, ELSEVIER SCIENCE BV, Development of a new class of hole-transporting and emitting vinyl polymers and their application in organic electroluminescent devices, Daisuke Mutaguchi; Kenji Okumoto; Yutaka Ohsedo; Kazuyuki Moriwaki; Yasuhiko Shirota, A new class of hole-transporting vinyl polymers, poly{4-vinyl-4'-[bis(4'-tert-butylbiphenyl-4-yl)amino]biphenyl (PVBAB) and poly 4-vinyl-4'-[N,N-bis(9,9-dimethylfluoren-2-yl)amino]biphenyl} (PVFAB), and a new emitting vinyl polymer, poly(2-{4-[4-vinylphenyl(4-methylphenyl)amino]phenyl}-5-dimesitylborylthiophene) (PVPhAMB-1T), were designed and synthesized. These new vinyl polymers form smooth amorphous films with high glass-transition temperatures of ca. 200 degreesC. PVBAB and PVFAB possess electron-donating properties, and PVPhAMB-1T possesses bipolar character with both electron-donating and accepting properties, exhibiting strong fluorescence in solution and as films. Organic electroluminescent devices using PVBAB or PVFAB as a hole-transport layer and N,N'-dimethylquinacridone-doped tris(8-quinolinolato)aluminum as an emitting layer were thermally stable and exhibited very high performance. The use of PVPhAMB-1T as an emitting material also permitted the fabrication of a high-performance, green-emitting organic EL device. (C) 2003 Elsevier B.V. All rights reserved., Sep. 2003, 4, 2-3, 49, 59, Scientific journal, 10.1016/j.orgel.2003.08.001
  • Refereed, Macromolecular Chemistry and Physics, WILEY-V C H VERLAG GMBH, Water-swollen hydrogels with pendant terthiophenes, Li Chen; Jian Ping Gong; Yutaka Ohsedo; Yoshihito Osada, A chemically cross-linked and water-swollen poly(AA3T-co-AA) gel having pendant terthiophenes was synthesized by radical copolymerization of [(2.2':5',2"-terthiophen-5-yl-)methyl acrylate] (AA3T) and acrylic acid (AA), and its swelling, dissociation, and doping behaviors were studied. The gel swells in high pH solution, which is associated with the dissociation and, hence, electrostatic repulsion of the AA units and the pH value at which the swelling starts increases with increasing AA3T composition. The dissociation of the gels is suppressed, presumably due to the incorporation of the hydrophobic AA3T unit, and, once started, the dissociation could be promoted by AA3T in the low pH region. Poly(AA3T-co-AA) copolymers and gels can be easily electrochemically and chemically doped. The volume change of the gels is observed during doping/undoping and the maximum volume change reached was about 50%., Mar. 2003, 204, 4, 661, 665, Scientific journal, 10.1002/macp.200390034
  • Refereed, American Chemical Society, Polymer Preprints, Division of Polymer Chemistry, AMER CHEMICAL SOC, Synthesis, properties, and applications of photochrome amorphous molecular materials and electrochromic polymers, Yasuhiko Shirota; Hideyuki Nakano; Ichiro Imae; Yutaka Osedo; Hisayuki Utsumi; Toshiki Ujike; Toru Takahashi, Apr. 2002, 43, 1, 53, 54, International conference proceedings
  • Refereed, Macromolecular Chemistry and Physics, WILEY-V C H VERLAG GMBH, Crystalline structure and thermal behavior of water-soluble copolymers with pendant terthiophenes, Li Chen; Tatsuo Kaneko; Jian Ping Gong; Yoshihito Osada; Yutaka Ohsedo; Yasuhiko Shirota, The water-soluble copolymers having pendant terthiophene, poly(AA3T-co-AA), were synthesized by radical copolymerization of [(2,2': 5', 2"-terthiophen-5-yl)methyl acrylate] (AA3T) and acrylic acid (AA), and their molecular structures and thermal behaviors were studied, X-ray diffraction study showed that the copolymers containing a certain amount of AA3T can form the crystals with monolayer structure, while incorporation of too many AA units into the copolymers disrupted this structure. Possible mechanism of self-doping on heating was discussed in terms of interaction between AA3T unit with AA unit in the copolymers., Jan. 2002, 203, 1, 176, 181, Scientific journal, 10.1002/1521-3935(20020101)203:1<176::AID-MACP176>3.0.CO;2-4
  • Refereed, Journal of Photopolymer Science and Technology, Tokai University, Development of a new emitting amorphous molecular material, 2,5-bis-(2-{4-[bis(4-methylphenyl)amino]phenyl}thiophen-5-yl)furan, Yutaka Ohsedo; Toshihiko Yamate; Kenji Okumoto; Yasuhiko Shirota, Jun. 2001, 14, 2, 297, 298, Scientific journal, 10.2494/photopolymer.14.297
  • Refereed, Electrochimica Acta, PERGAMON-ELSEVIER SCIENCE LTD, Electrochromic properties of new methacrylate copolymers containing pendant oligothiophene and oligo(ethyleneoxide) moieties in the presence of a polymer-gel electrolyte, Yutaka Ohsedo; Ichiro Imae; Yasuhiko Shirota, Electrochromic properties of new methacrylate copolymers containing pendant terthiophene and oligo(ethyleneoxide) moieties, poly[(2,2':5',2 "-terthiophen-5-yl)methyl methacrylate-co-alpha-ethoxy-omega-methacryloyl-oligo(ethyleneoxide)] (poly(MA3T-co-MAEO)), in the presence of a polymer-gel electrolyte were studied. A polymer-gel electrolyte composed of poly(methylmethacrylate), lithium perchlorate, and propylene carbonate was sandwiched between two indium-tin oxide (ITO)-coated glass substrates, on one of which a film of poly(MA3T-co-MAEO) was coated. The device was found to undergo a color change from yellowish-orange to pale green and vice versa on electrochemical oxidation and reduction. The response times for green coloration and decoloration of a poly(MA3Tco-MAEO) 60/40 film in the presence of the polymer-gel electrolyte were estimated to be 5.3 and 5.5 s, respectively. (C) 2000 Elsevier Science Ltd. All rights reserved., Jan. 2000, 45, 8, 1543, 1547, Scientific journal, 10.1016/S0013-4686(99)00372-2
  • Refereed, Synthetic Metals, ELSEVIER SCIENCE SA, Synthesis and electrochromic properties of methacrylate copolymers containing pendant terthiophene and oligo(ethyleneoxide) moieties, Yutaka Ohsedo; Ichiro Imae; Yasuhiko Shirota, Novel methacrylate copolymers containing pendant terthiophene and oligo(ethyleneoxide) moieties, poly(2,2':5',2"-terthiophen-5-yl)methyl methacrylate-co-alpha-ethoxy-omega-methacryloyl-(poly (MA3T-co-MAEO)), were prepared by radical copolymerization of the corresponding monomers in varying mole ratios and their application as electrochromic materials examined The copolymers were found to undergo reversible, clear color change from yellowish orange to purple and vice versa on electrochemical doping and dedoping. The response time for color change on electrochemical doping and dedoping was found to decrease for the copolymers than for the corresponding methacrylate homopolymer containing pendant terthiophene., Jun. 1999, 102, 1-3, 969, 970, Scientific journal, 10.1016/S0379-6779(98)01033-9
  • Refereed, Macromolecules, AMER CHEMICAL SOC, Synthesis of a novel family of electrochemically-doped vinyl polymers containing pendant oligothiophenes and their electrical and electrochromic properties, Ichiro Imae; Kazunari Nawa; Yutaka Ohsedo; Naoki Noma; Yasuhiko Shirota, Novel electrochemically-doped vinyl polymers containing 2,2':5',2 '':5 '',2'''-quaterthiophene, 4',3'''-dioctyl-2,2':5',2 '':5 '',2''':5''',2''''-quinquethiophene, and 4',3''''-dioctyl-2,2':5',2 '':5 '',2''':5''',2'''':5'''',2'''''-sexithiophene as pendant groups were prepared by anodic polymerizations of the corresponding new vinyl monomers in the presence of tetra-n-butylammonium perchlorate as a supporting electrolyte, and their electrical and electrochromic properties were investigated. The electrochemically-doped polymers, which were obtained as deeply-colored, lustrous films on the surface of the working electrode, were identified as radical-cation salts of pendant oligothiophenes with ClO4- as a dopant, having a partially-cross-linked structure due to the coupling reaction of the radical cation of the pendant oligothiophene moiety. The electrical conductivity of these electrochemically-doped polymers increased with increasing conjugation length of the pendant oligothiophenes; the polymer containing the pendant sexithiophene group exhibited a room-temperature conductivity of ca. 10(-4) S cm(-1) with an activation energy of 0.25 eV. These polymers undergo a reversible clear color change from green to yellow and vice versa on electrochemical dedoping and doping, constituting a novel class of potential electrochromic materials., Feb. 1997, 30, 3, 380, 386, Scientific journal, 10.1021/ma961250w
  • Refereed, Synthetic Metals, ELSEVIER SCIENCE SA LAUSANNE, Synthesis and electrochromic properties of a methacrylate polymer containing pendant terthiophene, Yutaka Ohsedo; Ichiro Imae; Naoki Noma; Yasuhiko Shirota, A new methacrylate polymer containing terthiophene as a pendant group, poly[(2,2':5',2 ''-terthiophen-5-yl)methyl methacrylate],has been prepared by radical polymerization of the corresponding monomer and its electrochromic properties have been examined. Electrochemical oxidation of the polymer in the presence of tetra-n-butylammonium perchlorate produced a purple-colored electrochemically doped polymer, which was identified as a radical-cation salt of pendant terthiophene with ClO4- as a dopant. The polymer undergoes a reversible clear color change from pale yellow to purple and Vice versa on electrochemical doping and dedoping and is expected to be a potential electrochromic material., Aug. 1996, 81, 2-3, 157, 162, Scientific journal, 10.1016/S0379-6779(96)03753-8
  • Refereed, Gels, N-Alkylhydantoins as New Organogelators and Their Ability to Create Thixotropic Mixed Molecular Organogels, Yutaka Ohsedo, 08 Oct. 2022, 8, 10, 638, Scientific journal, 10.3390/gels8100638
  • Refereed, Gels, MDPI AG, Polymeric Hydrogelator-Based Molecular Gels Containing Polyaniline/Phosphoric Acid Systems, Yutaka Ohsedo; Mayumi Sasaki, To expand the range of applications of hydrogels, researchers are interested in developing novel molecular hydrogel materials that have affinities for the living body and the ability to mediate electrical signals. In this study, a simple mixing method for creating a novel composite molecular gel is employed, which combines a hydrophilic conductive polymer, a polyaniline/phosphoric acid complex, and a polymer hydrogelator as a matrix. The composite hydrogel showed an improved gel-forming ability; more effective mechanical properties, with an increased strain value at the sol–gel transition point compared to the single system, which may be sufficient for paintable gel; and a better electrochemical response, due to the electrically conducting polyaniline component. These findings demonstrate the applicability of the new composite hydrogels to new potential paintable electrode materials., 27 Jul. 2022, 8, 8, 469, Scientific journal, 10.3390/gels8080469
  • Refereed, Chemistry – An Asian Journal, Wiley, Stearoylamido‐D‐Glucamine Hydrogelators for Thixotropic Molecular Gels with Tunable Softness by Chemical Modification, Yutaka Ohsedo, 15 Jun. 2022, 17, 16, e202200461, Scientific journal, 10.1002/asia.202200461
  • Refereed, Polymers for Advanced Technologies, Wiley, Low-molecular-weight organogelators as functional materials for oil spill remediation, Yutaka Ohsedo, Jun. 2016, 27, 6, 704, 711, Scientific journal, 10.1002/pat.3712
  • Refereed, Gels, MDPI AG, Low-Molecular-Weight Gelators as Base Materials for Ointments, Yutaka Ohsedo, 01 Apr. 2016, 2, 2, 13, 13, Scientific journal, 10.3390/gels2020013
  • Refereed, Journal of the Japan Society of Colour Material, Japan Society of Colour Material, Mixing Enhancement Effect of Low-Molecular-Weight Gelators, Yutaka OHSEDO; Hisayuki WATANABE, Oct. 2013, 86, 10, 375, 379, Scientific journal, 10.4011/shikizai.86.375

MISC

  • Not Refereed, Research Journal of Living Science, 2021, 67 (2), Development of Softmatter for Advanced Materials, Yutaka Ohsedo, Mar. 2021, 67, 71, Introduction research institution
  • Not Refereed, Annual Review Vol.21, 2020 Collaborative Research Center, Ashikaga University, A Creation of Polymer Materials for Soft Robotics Applications, Yutaka Ohsedo; Atsushi Takashima, Nov. 2020, 105, 108, Introduction research institution
  • Not Refereed, Monthly Fine Chemical, シーエムシー出版, Mixing Enhancement Effect of Low-Molecular-Weight Gelators on Thixotropic Behavior, Yutaka Ohsedo, Oct. 2017, 46, 10, 32, 40, Introduction commerce magazine, False
  • Not Refereed, Kobunshi, 水溶性ポリチオフェンのエレクトロクロミズム, Yutaka Ohsedo, Jul. 2002, 51, 521, Introduction scientific journal
  • Not Refereed, Kobunshi, The Society of Polymer Science, Japan, Synthesis, Properties and Applications of π-Conjugated Polymers, Yasuhiko Shirota; Yutaka Ohsedo, 化学的ドーピングによるポリアセチレン膜の高導電性が発見されて以来,飛躍的発展を遂げた導電性高分子の研究分野は,導電性のみならず,その母体高分子であるπ共役系高分子の科学技術として大きな広がりをみせている.本稿では,π 共役系高分子に関する最近の研究を紹介し,将来を展望する., Feb. 2002, 51, 2, 66, 70, Introduction scientific journal, False, 10.1295/kobunshi.51.66
  • Not Refereed, Kobunshi, デンドリマーを用いた有機EL素子の特性に及ぼす世代の影響, Yutaka Ohsedo, Sep. 2001, 50, 668, Introduction scientific journal
  • Not Refereed, Kobunshi, 無機半導体超微粒子-高分子複合系の多色蛍光発光, Yutaka Ohsedo, Dec. 2000, 49, 848, Introduction scientific journal
  • Not Refereed, Kobunshi, 低分子液晶-デンドリマー複合系の光散乱を利用した液晶表示素子への応用, Yutaka Ohsedo, Jul. 2000, 49, 550, 551, Introduction scientific journal
  • Not Refereed, 平成12年度新素材技術部会調査報告書、（社）新化学発展協会, π電子系有機物質の物性・機能とデバイスへの応用, 城田靖彦; 協力; 中野英之; 景山弘; 大背戸豊; 門田敏明; 奥本健二, Mar. 2000, Technical report
  • Not Refereed, Kobunshi, ポリマー溶液を用いる発光ダイオード, Yutaka Ohsedo; Tetsuya Noda, Sep. 1999, 48, 727, 728, Introduction scientific journal, False
  • Not Refereed, Kobunshi, 電子供与性および電子受容性高分子、高分子固体電解質複合系における光電変換, Yutaka Ohsedo; Tetsuya Noda, Jan. 1999, 48, 43, 44, Introduction scientific journal, False
  • 福岡工業大学総合研究機構研究所報, 第4号, 15-18, Synthesis of Liquid Crystalline Nanosheet/Polyurethane Composite Elastomer Films, Nobuyoshi Miyamoto; Toki Morooka; Yutaka Ohsedo, 31 Oct. 2021, Report research institution

Books etc

  • Colloidal nanosheets ("Inorganic Nanosheets and Nanosheet-Based Materials: Fundamentals and Functions of Two-Dimensional Systems," Teruyuki Nakato, Jun Kawamata, Shinsuke Takagi (Eds.), Part I Chapter 8), Springer, Nobuyoshi Miyamoto; Yutaka Ohsedo; Teruyuki Nakato, Apr. 2017, 542, pp. 201-260, Part I Chapter 8, Not Refereed, 9784431564966
  • アルキルヒドラジド誘導体によるチキソトロピー性超分子ゲル（「低分子ゲルの開発と応用」鈴木正浩監修、第11章3節）, シーエムシー出版, 大背戸 豊, May 2016, 250, pp. 115-122、第11章3節, Not Refereed, 9784781311562
  • アルキルヒドラジド誘導体の新規低分子オイルゲル化剤への応用（「ゲルの安定化と機能性付与・次世代への応用開発」矢内雅人編、第2章4節）, 技術情報協会, 大背戸 豊, Dec. 2013, 552, pp. 122-126, Not Refereed, 9784861045141
  • Synthesis, Properties, and Applications of Photochromic Amorphous Molecular Materials and Electrochromic Polymers ("Chromogenic Phenomena in Polymers: Tunable Optical Properties (ACS SYMPOSIUM SERIES)," S. A. Jenekhe and D. J. Kiserow (Eds), Chapter 13), American Chemical Society, Yasuhiko Shirota; Hideyuki Nakano; Ichiro Imae; Yutaka Ohsedo; Yoshiaki Yasuda; Hisayuki Utsumi; Toshiki Ujike; Toru Takahashi, Aug. 2004, 456, pp. 173-186, Not Refereed, 9780841238305

Presentations

  • Yutaka Ohsedo, The 101st CSJ Annual Meeting, Online, Creation of Electrically Conductive Composite Hydrogels by Use of a Polymer Gelator as a Matrix Material, Oral presentation, 21 Mar. 2021, 19 Mar. 2021, 22 Mar. 2021, False
  • Yutaka Ohsedo, 69th Symposium on Macromolecules, September 16 -18, 2020, Ueda Campus, Iwate University (Online), Creation of electrically conductive composite gels by use of a polymer hydrogelator, Oral presentation, 18 Sep. 2020, 16 Sep. 2020, 18 Sep. 2020, False
  • Yutaka Ohsedo, The 100th CSJ Annual Meeting, Noda Campus, Tokyo University of Science, Chiba, Japan, Alkylanilides for Mixed Molecular Gels, Oral presentation, 22 Mar. 2020, 22 Mar. 2020, 25 Mar. 2020, False
  • 諸岡時希, 大背戸豊, 宮元義展, 29th Annual Meeting of MRS-Japan 2019, MRS-J 30th Anniversary Symposium, 27-29 November, 2019, Yokohama, Japan, Synthesis of Inorganic nanosheet/polyurethane nanocomposite fiber, Oral presentation, 27 Nov. 2019
  • Toshiki Furukawa, Yutaka Ohsedo, Nobuyoshi Miyamoto, 68th Symposium on Macromolecules, Bunkyo Campus, Fukui University, Fukui, Japan, Synthesis nanosheet/epoxy resine composite matrials via gel template, Oral presentation, 25 Sep. 2019, 25 Sep. 2019, 27 Sep. 2019, False
  • Yutaka Ohsedo, The 99th CSJ Annual Meeting, Konan University, Kobe, Japan, Mixing Enhancement Effect of Low-Molecular-Weight Gelators with Different Alkyl Chains and Hydrogen Bonding Group, Oral presentation, 18 Mar. 2019, 16 Mar. 2019, 19 Mar. 2019, False
  • 〇Nobuyoshi Miyamoto; Toki Morooka; Toshihki Furukawa; Takumi Inadomi; Yutaka Ohsedo, 67th Symposium on Macromolecules, September 12 -14, 2018, Sapporo Campus, Hokkaido University, Elastomer and gels hybridized with inorganic nanosheet liquid crystals, Oral presentation, 12 Sep. 2018, False
  • 〇Toshiki Furukawa; Yutaka Ohsedo; Nobuyoshi Miyamoto, 67th Symposium on Macromolecules, September 12 -14, 2018, Sapporo Campus, Hokkaido University, Synthesis of nanosheet/polymer hybrid by hydro gel template, Oral presentation, 12 Sep. 2018, False
  • Toki Morooka; Yutaka Ohsedo; Nobuyoshi Miyamoto, 67th Symposium on Macromolecules, September 12 -14, 2018, Sapporo Campus, Hokkaido University, Synthesis of liquid crystalline nanosheets/polyurethane composite fiber, Oral presentation, 12 Sep. 2018, False
  • 〇Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe; Nobuyoshi Miyamoto, 67th Symposium on Macromolecules, September 12 -14, 2018, Sapporo Campus, Hokkaido University, Creation of composite gels by use of a polymer hydrogelator as a matrix material, Oral presentation, 12 Sep. 2018, False
  • 〇Toshiki Furukawa; Yutaka Ohsedo; Nobuyoshi Miyamoto, The 5th International Conference on Nanomechanics and Nanocomposites (ICNN5, Fukuoka Institute of Technology, Fukuoka, Japan), Synthesis of Nanocomposite Material Using Nanosheet/Hydrogel Composite Polymer for Template, Poster presentation, 22 Aug. 2018, True
  • Toki Morooka; Yutaka Ohsedo; Nobuyoshi Miyamoto, The 5th International Conference on Nanomechanics and Nanocomposites (ICNN5, Fukuoka Institute of Technology, Fukuoka, Japan), Synthesis of Nanosheet Liquid Crystal Composite Polyurethane Fiber, Poster presentation, 22 Aug. 2018, True
  • Yutaka Ohsedo, The 5th International Conference on Nanomechanics and Nanocomposites (ICNN5, Fukuoka Institute of Technology, Fukuoka, Japan), Mixing Strategy to Enhance Gel Properties Composed of Low-Molecular-Weight Gelators, Oral presentation, 22 Aug. 2018, True
  • Yutaka Ohsedo, West Japan Nanosheet Society Summer Camp 2018 (WJNS-SC2018, Kaneya Annex, Iki-shi, Nagasaki, Japan), Squaric acid for creating low-molecular-weight gelators and functional dyes, Invited oral presentation, 09 Aug. 2018, True
  • 古川聡起; 大背戸豊; 宮元展義, 平成29年度インターカレッジセミナー 兼 油化学界面科学部会九州地区講演会、FITセミナーハウス大分（由布市、大分県）, 酸分解性架橋点を有するナノシート複合型ダブルネットワークポリマーの合成, Oral presentation, 28 Jan. 2018, False
  • 諸岡時希; 大背戸豊; 宮元展義, 平成29年度インターカレッジセミナー 兼 油化学界面科学部会九州地区講演会、FITセミナーハウス大分（由布市、大分県）, ナノシート/ポリウレタン複合体の合成, Oral presentation, 27 Jan. 2018, False
  • 平田夏樹; 大背戸豊; 宮元展義, 平成29年度インターカレッジセミナー 兼 油化学界面科学部会九州地区講演会、FITセミナーハウス大分（由布市、大分県）, 粘土鉱物/ポリイミド複合体の合成, Poster presentation, 27 Jan. 2018, False
  • 大背戸豊; 猿橋康一郎; 渡邊久幸; 宮元展義, 西日本ナノシート研究会ウインターキャンプ、つえたて温泉ひぜんや（阿蘇郡、熊本県）, 高分子ヒドロゲル化剤/導電性高分子複合系の創製, Oral presentation, 02 Dec. 2017, False
  • 大背戸豊; 大野正司; 猿橋康一郎; 渡邊久幸; 宮元展義, 高分子基礎研究会2017、敦賀ニューサンピア（敦賀市、福井県）, 水溶性芳香族ポリアミド系高分子ゲル化剤/無機ナノシート複合分子性ゲルの創製, Oral presentation, 24 Nov. 2017, False
  • 〇Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe; Nobuyoshi Miyamoto, 66th Symposium on Macromolecules September 20 -22, 2017, Johoku Campus, Ehime University, Molecular hydrogels composed of new glucamine-based gelators and their thixotropic properties, Oral presentation, 21 Sep. 2017, False
  • 〇Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe; Nobuyoshi Miyamoto, 16th INTERNATIONAL CLAY CONFERENCE, CLAYS, FROM THE OCEANS TO SPACE – Granada, Spain 17-21 July 2017, MIXING ENHANCEMENT EFFECT OF MOLECULAR GELS COMPOSED OF HYDROGELATOR WITH LAPONITE ON THIXOTROPIC BEHAVIOR, Poster presentation, Jul. 2017, True
  • 〇Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe; Nobuyoshi Miyamoto, 66th SPSJ Annual Meeting May 29-31 2017, Makuhari Messe, Chiba-city, Thixotropic molecular hydrogels composed of new glucamine-based low-molecular-weight gelators, Oral presentation, 30 May 2017, False
  • Natsuki Hirata; Yutaka Ohsedo; Nobuyoshi Miyamoto, The 11th SPSJ International Polymer Conference (IPC 2016) , Fukuoka International Congress Center, Fukuoka, Japan, December 13 - 16, 2016, Synthesis of nanosheet LC/Polyimide Composites, 06 Dec. 2016, True
  • 〇Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe; Nobuyoshi Miyamoto, 65th Symposium on Macromolecules September 14 -16, 2016, Yokohama Campus, Kanagawa University, Thixotropic molecular hydrogels composed of new glucamine-based derivatives, 16 Sep. 2016, False
  • 大背戸豊, 西日本ナノシート研究会サマーキャンプ 2016、屋久島シーサイドホテル（屋久島町、鹿児島県）, グリシン－グルカミン構造を中心とする新規低分子ゲル化剤の創製, 24 Jul. 2016, False
  • 〇Yutaka Ohsedo, The 1st FIT-ME Symposium, Fukuoka Institute of Technology, Fukuoka, May 16 2016, Mixing Enhancement Effect of Low-Molecular-Weight Hydorgelator with Laponite, 16 May 2016, True
  • 〇Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe, The 96th CSJ Annual Meeting, March 24-27 2016, Doshisha University, Kyoto, Glucamine-Based Low-Molecular-Weight Hydrogelators for Thixotropic Hydrogels, 27 Mar. 2016, False
  • 大背戸豊, 高分子基礎研究会2015、FITセミナーハウス大分（由布市、大分県）, 水溶性芳香族ポリアミドの高分子ゲル化剤への応用, 30 Jan. 2016, False
  • 平田夏樹; 大背戸豊; 宮元展義, 高分子基礎研究会2015、FITセミナーハウス大分（由布市、大分県）, 有機溶媒分散型ナノシート液晶を利用した無機/ポリイミド複合体の合成, 30 Jan. 2016, False
  • 大背戸豊, 西日本ナノシート研究会サマーキャンプ 2015、芦辺町クオリティライフセンターつばさ、かねや別館（壱岐市、長崎県）, スクアリン酸をゲル形成部位とする新規低分子ゲル化剤の創製, 07 Aug. 2015, False
  • 大背戸豊, 西日本ナノシート研究会サマーキャンプ 2015、芦辺町クオリティライフセンターつばさ、かねや別館（壱岐市、長崎県）, 新規グルカミン系低分子ゲル化剤の創製, 07 Aug. 2015, False
  • 〇Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe; Nobuyoshi Miyamoto, 64th SPSJ Annual Meeting May 27th-29th 2015, Sapporo Convention Center, Sapporo, Mixing enhancement effect on low-molecular-weight gelator/inorganic nanosheet system, 28 May 2015, False
  • 大背戸豊, 高分子基礎研究会2014、FITセミナーハウス大分 （由布市、大分県）, 分子性ヒドロゲルの混合による機能付与, 28 Nov. 2014, False
  • 〇Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe, 63rd Symposium on Macromolecules September 24 -26, 2014, Nagasaki University, Creation of thixotropic molecular hydrogels by mixing low-molecular-weight hydrogelators, 25 Sep. 2014, False
  • 大背戸豊; 谷口真規子; 大野正司; 猿橋康一郎; 渡邊久幸, 西日本ナノシート研究会サマーキャンプ 2014、民宿 滝の上（壱岐市、長崎県）, 混合による分子性ゲルの機能向上と徐放材料への応用, 19 Jul. 2014, False
  • 〇Yutaka Ohsedo; Masashi Oono; Akihiro Tanaka; Hisayuki Watanabe, International Symposium on Advanced Soft Materials, October 18, 19, 2013, Hokkaido University, Mixing-Induced Thixotropic Behavior of Low-Molecular-Weight Organogelators with Different Alkyl Chains, 18 Oct. 2013, True
  • 大背戸豊, 西日本ナノシート研究会第2回ワークショップ、FITセミナーハウス大分 （由布市、大分県）, 低分子ゲル化剤への機能付与－混合による高機能化, 26 Aug. 2013, False
  • 〇Yutaka Ohsedo; Masashi Oono; Kowichiro Saruhashi; Hisayuki Watanabe, 62nd SPSJ Annual Meeting May 29th-31th Kyoto International Conference Center, Mixing Enhancement Effect of Low-Molecular-Weight Gelator Homologues with Different Alkyl Chain Lengths, 30 May 2013, False
  • 大背戸豊, 産学連携交流センター入居者交流会、福岡市産学連携交流センター（福岡市、福岡県）, 低分子ゲル化剤の開発－新規材料探索と混合による高機能化, 30 May 2013, False
  • 〇Yutaka Ohsedo; Hisayuki Watanabe; Kowichiro Saruhashi; Masashi Oono, The 93th CSJ Annual Meeting March 22-25, 2013, BKC, Ritsumeikan University, Mixing Enhancement Effect of Low-Molecular-Weight Gelators with Different Alkyl Chains, 22 Mar. 2013, False
  • 〇Yutaka Ohsedo; Hisayuki Watanabe; Akihiro Tanaka; Masashi Oono, 61st Symposium on Macromolecules September 19 -21, 2012, Nagoya Institute of Technology, Application of Alkylhydrazide for New Low-Molecular-Weight Gelator and its network properties, 20 Sep. 2012, False
  • 〇Yutaka Ohsedo; Hisayuki Watanabe; Akihiro Tanaka; Misao Miyamoto, 61st SPSJ Annual Meeting May 29th-31th 2012, Pacifico Yokohama, Organogelation ability of Alkylhydrazides, 29 May 2012, False
  • 〇Yutaka Ohsedo; Hisayuki Watanabe; Akihiro Tanaka; Misao Miyamoto, The 92th CSJ Annual Meeting March 25-28, 2012, Hiyoshi Campus, Keio University, Application of Alkylhydrazide for New Low-Molecular-Weight Gelator, 27 Mar. 2012, False
  • 〇Yutaka Ohsedo; Hisayuki Watanabe; Misao Miyamoto; Akihiro Tanaka; Kazuaki Shikii; Masashi Oono, East Asia Young Scientists Gel Symposium 2012, January 6th, Hokkaido University, A Creation of New Low-Molecular-Weight Gelators Containing Squaric Acid Moieties, 06 Jan. 2012, True
  • 〇Yutaka Ohsedo; Misao Miyamoto; Akihiro Tanaka; Kazuaki Shiiki; Masashi Oono, 60th Symposium on Macromolecules September 28 -30, 2011, Tsushima Campus, Okayama University, A Creation of New Low Molecular Weight Gelator Consisting of Squaric Acid Derivatives, 29 Sep. 2011, False
  • 〇Yutaka Ohsedo; Hisayuki Watanabe; Misao Miyamoto; Akihiro Tanaka; Kazuaki Shikii; Masashi Oono, 60th SPSJ Annual Meeting May 25th-27th 2011, Osaka International Convention Center, A Creation of New Low Molecular Weight Hydrogelator Containing Strong Acid Moiety, 25 May 2011, False
  • 中尾 仁亮, 小関 健一, 山崎 健志, 山野 順三, 大背戸豊, 第57回高分子学会年次大会、パシフィコ横浜（横浜市、神奈川県）, スクアリリウム色素を分光増感剤とするフォトポリマー〜532nmによるホログラム記録〜, May 2008
  • 関森裕子, 宮崎崇, 大背戸豊, Gong Jian Ping, 長田義仁, 第38回高分子学会北海道支部研究発表会、北海道大学学術交流会館（札幌市、北海道）, ヒドロキシプロピルセルロース(HPC)誘導体による形状記憶ゲル, Feb. 2004
  • 牟田口 大介, 大背戸豊, 奥本 健二, 城田 靖彦, 第12回 ポリマー材料フォーラム、千里ライフサイエンスセンター（豊中市、大阪府）, π電子系側鎖基を有する新規ビニル高分子の創製と有機EL素子への応用, 27 Nov. 2003, 27 Nov. 2003, 28 Nov. 2003
  • 大背戸豊, 高階力也, Gong Jian Ping, 長田義仁, 第52回高分子討論会、山口大学（山口市、山口県）, ルの表面摩擦特性[ⅩⅩⅡ] ゲルの表面グラフト鎖制御と摩擦特性, Sep. 2003, False
  • 長田義仁(代理演者 大背戸豊), 平成14年度共同研究推進セミナー産学連携プロジェクト公開フォーラム, 独創的高機能材料創製技術の研究開発, Mar. 2003
  • 牟田口大介, 大背戸豊, 奥本健二, 城田靖彦, 第51回高分子討論会、九州工業大学（北九州市、福岡県）, π電子系側鎖基を有する新規ビニル高分子を用いる有機EL素子, Oct. 2002, False
  • 牟田口大介, 大背戸豊, 奥本健二, 城田靖彦, 日本化学会第82秋季年会、大阪大学（豊中市、大阪府）, π電子系側鎖基を有する新規ビニル高分子の創製と有機EL素子への応用, Sep. 2002, False
  • 大背戸豊, 17th Summer University in Hokkaido（高分子学会北海道支部）、新しのつ温泉たっぷの湯（石狩市、北海道）, π共役系高分子・π共役系オリゴマーの機能材料への応用, Aug. 2002
  • 船木隆文, 山岡寛司, 大背戸豊, Gong Jian Ping, 長田義仁, 金子達雄, 上田充, 芝崎祐二, 日本化学会北海道支部2002年夏季研究発表会、旭川高専（旭川市、北海道）, 剛直主鎖型高分子電解質水溶液の液晶特性と特異な挙動, Jul. 2002, False
  • 牟田口大介, 大背戸豊, 奥本健二, 城田靖彦, 第48回高分子研究会[神戸] 、兵庫県民会館（神戸市、兵庫県）, π電子系側鎖基を有する正孔輸送性新規ビニル高分子の合成と有機EL素子への応用, Jul. 2002, False
  • 大背戸豊, 高分子学会北海道支部会員増強セミナー、（苫小牧市、北海道）, π共役系側鎖基を有する光・電子機能性高分子の応用, Mar. 2002
  • 大背戸豊, 奥本健二, 森脇和之, 城田靖彦, 第50回高分子討論会、早稲田大学（東京都）, 新規π電子系側鎖基を有するビニル高分子の合成と有機EL素子への応用, Sep. 2001, False
  • 大背戸豊, 山手俊彦, 奥本健二, 城田靖彦, 第47回高分子研究会[神戸] 、兵庫県民会館（神戸市、兵庫県）, アモルファス分子材料－オリゴアリレン骨格を有する新規発光性アモルファス分子材料を用いる有機エレクトロルミネッセンス素子の開発, Jul. 2001, False
  • 大背戸豊, 山手俊彦, 奥本健二, 城田靖彦, フォトポリマーコンファレンス2001、千葉大学（千葉市、千葉県）, アモルファス分子材料－オリゴアリレン骨格を有する新規発光性アモルファス分子材料の創製, Jun. 2001, False
  • Yutaka Ohsedo, Ichiro Imae, and Yasuhiko Shirota, 7th Asian Symposium on Intelligent Electrophotonic Materials and Molecular Electronics (ASIEMME’7) , Beijing, China, SYNTHESIS AND ELECTROCHROMIC PROPERTIES OF NEW METHACRYLATE POLYMERS CONTAINING PENDANT OLIGOTHIOPHENES, Dec. 2000, True
  • Yutaka Ohsedo, Ichiro Imae, Yasuhiko Shirota, 9th PMF, Senri Life Science Center, Osaka, Japan, Electrochromic Properties of Methacrylate Polymers Containing Pendant Oligothiophenes, Nov. 2000, False
  • Yutaka Ohsedo, Ichiro Imae, Yasuhiko Shirota, 49th Symposium on Macromolecules, Tohoku University, Sendai, Japan, Electrochemical and Electrochromic Properties of Methacrylate Polymers Containing Pendant Oligothiophenes, Sep. 2000, False
  • Yutaka Ohsedo, Ichiro Imae, Yasuhiko Shirota, SPIJ Annual Meeting 2000, Kikaishinkoukaikan, Tokyo, Japan, Synthesis of a Novel Methacrylate Polymer Containing Pendant Quaterthiophene and Its Application as an Electrochromic Material, May 2000, False
  • Yutaka Ohsedo, Ichiro Imae, Yasuhiko Shirota, 49th SPSJ Annual Meeting, Kyoto International Conference Center, Kyoto, Japan, Formation of Dimer of Novel Methacrylate Polymers Containing Pendant Oligothiophenes and Their Electrochromic Properties, May 2000, False
  • Yutaka Ohsedo, Ichiro Imae, Yasuhiko Shirota, The 78th CSJ Annual Meeting, Funabashi Campus, Nihon University, Funabashi, Japan, Synthesis of Novel Methacrylate Polymers Containing Oligothiophenes and Their Application as Electrochromic Materials in the Presence of a Polymer-Gel Electrolyte, Mar. 2000, False
  • Yutaka Ohsedo, Ichiro Imae, Yasuhiko Shirota, 48th Symposium on Macromolecules, Niigata University, Niigata, Japan, Synthesis of Novel Methacrylate Polymers Containing Pendant Terthiophrnr, Quaterthiophene, Quinquethiophene, and Sexithiophene and Their Application as Electrochromic Materials, Oct. 1999, False
  • Yasuhiko Shirota, Naoki Noma, Ichiro Imae, Yutaka Ohsedo, Souhei Funaoka, Yoji Yamaguchi, HIromitsu Kawamoto, 第23回エレクトロオーガニックケミストリー討論会、アクアリウム長岡（長岡市、新潟県）, Synthesis, Electrochemical Oxidation, and Application of Oligothiophenes and Polymers Containing Pendant Oligothiophenes, Jul. 1999, False
  • Yutaka Ohsedo, Ichiro Imae, and Yasuhiko Shirota, 4th International Symposium on Functional Dyes–Science and Technology of Functional π-Electron Systems, Osaka, Japan, 31 May–4 June 1999, Osaka, JAPAN, SYNTHESIS OF NEW METHACRYLATE POLYMERS CONTAINING PENDANT OLIGOTHIOPHENE AND THEIR APPLICATION AS ELECTROCHROMIC MATERIALS, 31 May 1999, 04 Jun. 1999
  • Yutaka Ohsedo, Ichiro Imae, Yasuhiko Shirota, 48th SPSJ Annual Meeting, Kyoto International Conference Center, Kyoto, Japan, Synthesis of a Novel Methacrylate Polymer Containing a Pendant Sexithiophene Moiety and Its Application as an Electrochromic Material, May 1999, False
  • Yutaka Ohsedo, Ichiro Imae, Yasuhiko Shirota, The76th CSJ Annual Meeting, Kanagawa University, Yokohama, Japan, Synthesis of Novel Methacrylate Polymers Containing Pendant Sexithiophene and Their Application as Electrochromic Materials, Mar. 1999, False
  • Yutaka Ohsedo, Ichiro Imae, and Yasuhiko Shirota, The Sixth International Symposium on Polymer Electrolytes, 1st - 6th November 1998 (ISPE-Ⅵ) Hayama,Kanagawa, JAPAN, Synthesis of Methacrylate Homo- and Copolymers Containing Pendant Oligothiophene and Oligo(ethyleneoxide) Moieties and Their Application as Electrochromic Materials, Jul. 1998, 01 Nov. 1998, 06 Nov. 1998, True
  • Yutaka Ohsedo, Ichiro Imae, Yasuhiko Shirota, 47th Symposium on Macromolecules, Nagoya Congress Center, Nagoya, Japan, Synthesis of Novel Methacrylate Polymers Containing Pendant Quaterthiophene and Quinquethiophene and Their Application as Electrochromic Materials, Oct. 1998, False
  • Yutaka Ohsedo, Ichiro Imae, and Yasuhiko Shirota, International Conference of Science and Technology of Synthetic Metals, July 12-18 1998 (ICSM’98) Montpellier, FRANCE, Synthesis and electrochromic properties of methacrylate copolymers containing pendant terthiophene and oligo(ethyleneoxide) moieties, 12 Jul. 1998, 18 Jul. 1998
  • Yutaka Ohsedo, Ichiro Imae, Yasuhiko Shirota, SPIJ Annual Meeting 1998, Kikaishinkoukaikan, Tokyo, Japan, Synthesis of a Novel Methacrylate Polymer Containing Pendant Quaterthiophene and Its Application as an Electrochromic Material, May 1998, False
  • Yutaka Ohsedo, Ichiro Imae, Yasuhiko Shirota, 47th SPSJ Annual Meeting, Kyoto International Conference Center, Kyoto, Japan, Synthesis of a Novel Methacrylate Polymer Containing Pendant Oligothiophene and Its Application as an Electrochromic Material, May 1998, False
  • Yutaka Ohsedo, Ichiro Imae, Yasuhiko Shirota, SPIJ Annual Meeting 1997, ARCADIA ICHIGAYA, Tokyo, Japan, Synthesis of New Methacrylate Copolymers Containing Pendant Terthiophene and Oligoethyleneoxide Moieties and Application as an Electrochromic Material, May 1997, False
  • 大背戸豊, 今栄一郎, 城田靖彦, 第46回高分子学会年次大会、東京工業大学（東京都）, ターチオフェンを側鎖に有する新規メタクリレート型共重合体の合成とエレクトロクロミック材料への応用, May 1997, False
  • Yutaka Ohsedo, Ichiro Imae, Yasuhiko Shirota, The 72th CSJ Annual Meeting, Rikkyo University, Tokyo, Japan, Synthesis and Electrochromic Properties of a Novel Type of Methacrylate Copolymer Containing Pendant Terthiophene and Oligoethyleneoxide, 27 Mar. 1997, False
  • Yutaka Ohsedo, Ichiro Imae, Naoki Noma, Yasuhiko Shirota, 45th SPSJ Annual Meeting, Nagoya Congress Center, Nagoya, Japan, Synthesis of a Novel Methacrylate Polymer Containing Pendant Terthiophene and Its Application as an Electrochromic Material, May 1996, False
  • Yutaka Ohsedo, Ichiro Imae, Naoki Noma, Yasuhiko Shirota, The 70th CSJ Annual Meeting, Aoyama Gakuin University, Tokyo, Japan, Synthesis of a Novel Methacrylate Polymer Containing Pendant Terthiophene and Its Application as Electrochromic Material, Mar. 1996, False
  • Mayumi Sasaki; Yutaka Ohsedo, The 102nd CSJ Annual Meeting (2022), March 23-26, 2022, Online, Creation of molecular hydrogel materials with electrical conductivity by hybridizing polyaniline derivative, Oral presentation, 23 Mar. 2022, 23 Mar. 2022, 26 Mar. 2022
  • Yutaka Ohsedo; Wakana Ueno, The 102nd CSJ Annual Meeting (2022), March 23-26, 2022, Online, Creation of molecular gel materials by mixing polymer gelator and polymer with a polar group, Oral presentation, 23 Mar. 2022, 23 Mar. 2022, 26 Mar. 2022
  • Yutaka Ohsedo, 京都ビジネス交流フェア、京都パルスプラザ（京都市、京都府）, 次世代材料となるゲル状物質, Poster presentation, 17 Feb. 2022, 17 Feb. 2022, 18 Feb. 2022
  • Yutaka Ohsedo, 奈良女子大学第19回研究フォーラム「女子大学における工学」、奈良女子大学（奈良市、奈良県）, 次世代材料となるゲル状物質, Invited oral presentation, 17 Dec. 2021, 17 Dec. 2021, 17 Dec. 2021
  • Yutaka Ohsedo, Nara Women's University Academic Week 2021, やわらかいゲルに機能を付与する試み, Invited oral presentation, 08 Dec. 2021, 08 Dec. 2021, 08 Dec. 2021
  • Hinako Yamaguchi; Tetsuji Yamaoka; Yasushi Tamada; Yutaka Ohsedo; Tomoko Hashimoto, 日本バイオマテリアル学会関西ブロック 第16回若手研究発表会プログラム、関西大学（吹田市、大阪府）, 機能性モノフィラメント創出のためのシルク-多糖混合材料の特性評価, Oral presentation, 04 Dec. 2021, 04 Dec. 2021, 04 Dec. 2021
  • Yutaka Ohsedo; Mayumi Sasaki, 70th Symposium on Macromolecules, September 6-8, 2021, Online, Creation of Electrically Conductive Composite Hydrogels by Use of a Polymer Gelator as a Matrix Material, Poster presentation, 06 Sep. 2021, 08 Sep. 2021, 08 Sep. 2021
  • Mayumi Sasaki; Yutaka Ohsedo, 70th Symposium on Macromolecules, September 6-8, 2021, Online, Creation of hybridized molecular gels by use of a polymer hydrogelator and functional materials, Poster presentation, 06 Sep. 2021, 06 Sep. 2021, 08 Sep. 2021
  • Yutaka Ohsedo; Tomoka Shinoda, The 103rd CSJ Annual Meeting (2023), March 22-23, 2023, Tokyo University of Science, Noda campus, Chiba, Creation of molecular gel materials using polyrotaxane moiety, Oral presentation, 25 Mar. 2023, 22 Mar. 2023, 25 Mar. 2023
  • Chie Nitta; Yutaka Ohsedo, The 103rd CSJ Annual Meeting (2023), March 22-23, 2023, Tokyo University of Science, Noda campus, Chiba, Creation of molecular hydrogel materials composed of polymer gelator and WO3 microparticle, Oral presentation, 25 Mar. 2023, 22 Mar. 2023, 25 Mar. 2023
  • Ami Kaneizumi; Yutaka Ohsedo, The 103rd CSJ Annual Meeting (2023), March 22-23, 2023, Tokyo University of Science, Noda campus, Chiba, Creation of polymer hydrogel materials derived from polybenzoxazine, Poster presentation, 24 Mar. 2023, 22 Mar. 2023, 25 Mar. 2023
  • 杉本萌子; 玉田靖; 山岡哲二; 大背戸豊; 橋本朋子, バイオマテリアル学会関西ブロックの若手研究発表会、大阪公立大学（大阪市、大阪府）, 抗菌性ペプチド固定化シルクフィブロイン糸の創出, Oral presentation, 04 Mar. 2023, 04 Mar. 2023, 04 Mar. 2023
  • 山口久那子; 玉田靖; 山岡哲二; 大背戸豊; 橋本朋子, バイオマテリアル学会関西ブロックの若手研究発表会、大阪公立大学（大阪市、大阪府）, モノフィラメント紡糸のためのシルク-多糖混合材料特性評価, Oral presentation, 04 Mar. 2023, 04 Mar. 2023, 04 Mar. 2023
  • 森島知子; 玉田靖; 山岡哲二; 大背戸豊; 橋本朋子, バイオマテリアル学会関西ブロックの若手研究発表会、大阪公立大学（大阪市、大阪府）, 吸収性・抗菌性シルク縫合糸創出のための材料特性評価, Poster presentation, 04 Mar. 2023, 04 Mar. 2023, 04 Mar. 2023
  • 大背戸豊, 2022年度イノベーションストリームKANSAI、グランフロント大阪 コングレコンベンションセンター（大阪市、大阪府）, 新しいゲル材料のいろいろ, Poster presentation, 21 Feb. 2023, 21 Feb. 2023, 21 Feb. 2023
  • 大背戸豊, 京都ビジネス交流フェア2023、京都パルスプラザ（京都市、京都府）、2023年2月16日~17日, ゲル状物質からのゲル材料創製, Poster presentation, 16 Feb. 2023, 17 Feb. 2023
  • 小川巴瑠; 椎山晃; 稲富巧; 古川 聡起; 大背戸豊; Tareq Amen; 宮元展義, 令和４年度物理化学インターカレッジセミナー兼日本油化学会界面科学部会九州地区講演会、福岡工業大学（福岡市、福岡県）, 構造色ナノシートエラストマー, Oral presentation, 17 Dec. 2022, 17 Dec. 2022, 17 Dec. 2022
  • Yutaka Ohsedo, 奈良女子大学アカデミックWeek2022、奈良女子大学（奈良市、奈良県）, 新しいゲル化剤を見つける方法の開拓, Public discourse, 06 Dec. 2022, 06 Dec. 2022, 06 Dec. 2022
  • Hinako Yamaguchi; Yasushi Tamada; Tetsuji Yamaoka; Yutaka Ohsedo; Tomoko Hashimoto, The 69th Annual Meeting of the Japanese Society of Silk Science and Technology, November 24th and 25th, 2022, Tsukuba Center for Institutes, Tsukuba, Japan., モノフィラメント紡糸を指向したシルク-多糖混合材料特性評価, Oral presentation, 24 Nov. 2022, 24 Nov. 2022, 25 Nov. 2022
  • Moeko Sugimoto; Yasushi Tamada; Tetsuji Yamaoka; Yutaka Ohsedo; Tomoko Hashimoto, The 69th Annual Meeting of the Japanese Society of Silk Science and Technology, November 24th and 25th, 2022, Tsukuba Center for Institutes, Tsukuba, Japan., シルクフィブロインへの新規抗菌性ペプチド固定化評価, Oral presentation, 24 Nov. 2022, 24 Nov. 2022, 25 Nov. 2022
  • Hinako Yamaguchi; Yasushi Tamada; Tetsuji Yamaoka; Yutaka Ohsedo; Tomoko Hashimoto, The 44th Annual Meeting of the Japanese Society for Biomaterials, November 21st and 22nd, 2022, Tower Hall Funabori, Tokyo, Japan., Characterization of silk/cationic starch-based biomaterials, Poster presentation, 21 Nov. 2022, 21 Nov. 2022, 22 Nov. 2022
  • Chiko Morishima; Yasushi Tamada; Tetsuji Yamaoka; Yutaka Ohsedo; Tomoko Hashimoto, The 44th Annual Meeting of the Japanese Society for Biomaterials, November 21st and 22nd, 2022, Tower Hall Funabori, Tokyo, Japan., Structure-property relationships of silk fibroin-based absorbable sutures, Poster presentation, 21 Nov. 2022, 21 Nov. 2022, 22 Nov. 2022
  • Moeko Sugimoto; Yasushi Tamada; Tetsuji Yamaoka; Yutaka Ohsedo; Tomoko Hashimoto, The 44th Annual Meeting of the Japanese Society for Biomaterials, November 21st and 22nd, 2022, Tower Hall Funabori, Tokyo, Japan., Immobilization of novel anti-bacterial peptides to silk fibroin-based biomaterials, Poster presentation, 21 Nov. 2022, 21 Nov. 2022, 22 Nov. 2022
  • Yutaka Ohsedo; Wakana Ueno, 71st Symposium on Macromolecules, September 5-7, 2022, Hokkaido University, Sapporo, Japan, Creation of molecular gel materials by mixing polymer gelator and poly(vinyl alcohol), Oral presentation, 07 Sep. 2022, 05 Sep. 2022, 07 Sep. 2022
  • Mayumi Sasaki; Yutaka Ohsedo, 71st Symposium on Macromolecules, September 5-7, 2022, Hokkaido University, Sapporo, Japan, Creation of molecular hydrogel/metal nanowire composite materials for electrochemical active materials, Oral presentation, 07 Sep. 2022, 05 Sep. 2022, 07 Sep. 2022
  • Chie Nitta; Yutaka Ohsedo, 71st Symposium on Macromolecules, September 5-7, 2022, Hokkaido University, Sapporo, Japan, Creation of a composite material composed of molecular gel and inorganic semiconductor particles, Poster presentation, 06 Sep. 2022, 05 Sep. 2022, 07 Sep. 2022
  • Mayumi Sasaki; Yutaka Ohsedo, The 68th annual Kobe Polymer Research Symposium, July 15, 2022, Hyogo Prefecture Citizens' Hall, Kobe, Japan., Creation of electrode materials by mixing hydrogelator/water-dispersed polyaniline, Poster presentation, 15 Jul. 2022, 15 Jul. 2022
  • Akira Shiiyama; Toshiki Furukawa; Yutaka Ohsedo; Nobuyoshi Miyamoto, 31st Annual Meeting of MRS-J, 13-15 December, 2021, PACIFICO Yokohama North (with Zoom online presentations), Yokohama, Japan, Synthesis of nanosheet liquid crystal/elastomer nanocomposite by using hydrogel precursor, Oral presentation, 13 Dec. 2021, 13 Dec. 2021, 16 Dec. 2021
  • 諸岡時希; 大背戸豊; 宮元展義, 平成30年度物理化学インターカレッジセミナー 兼 油化学界面科学部会九州地区講演会、福岡大学（福岡市、福岡県）、2018年12月7日、8日, ナノシート液晶/ポリウレタン複合ファイバーの合成, Oral presentation, 07 Dec. 2018, 08 Dec. 2018
  • 古川聡起; 大背戸豊; 宮元 展義, 平成30年度物理化学インターカレッジセミナー 兼 油化学界面科学部会九州地区講演会、福岡大学（福岡市、福岡県）、2018年12月7日、8日, ヒドロゲルを鋳型としたナノシート/高分子複合材料の合成, Oral presentation, 07 Dec. 2018, 08 Dec. 2018

Industrial Property Rights

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  • Patent right, 電荷貯蔵材料、電極活物質、電極及び電池, 大背戸 豊, 国立大学法人九州大学, 日産化学工業株式会社, 特願2011-151427, 08 Jul. 2011, 特開2013-020741, 31 Jan. 2013, 特許第5679448号, 16 Jan. 2015, j_global;url
    対象リソースIRI
  • Patent right, ゲル化剤及びオルガノゲル, 大背戸 豊, 国立大学法人九州大学, 日産化学工業株式会社, JP2014053375, 13 Feb. 2014, WO2014-126173, 21 Aug. 2014, j_global;url
    対象リソースIRI
  • Patent right, アルキルヒドラジド化合物からなるゲル化剤, 大背戸 豊, 国立大学法人九州大学, 日産化学工業株式会社, 特願2012-051669, 08 Mar. 2012, 特開2013-151628, 08 Aug. 2013, j_global;url
    対象リソースIRI
  • Patent right, スクアリリウム化合物を含む光学フィルター, 大背戸 豊, 澤田 貴弘, 衣笠 元晴, 山野 順三, 協和発酵ケミカル株式会社, 特願2008-119795, 01 May 2008, 特開2009-139911, 25 Jun. 2009, j_global;url
    対象リソースIRI
  • Patent right, スクアリリウム化合物およびそれを用いた短波長光源用光重合性組成物, 大背戸 豊, 澤田 貴弘, 衣笠 元晴, 山野 順三, 協和発酵ケミカル株式会社, 特願2008-119793, 01 May 2008, 特開2009-138175, 25 Jun. 2009, j_global;url
    対象リソースIRI
  • Patent right, スクアリリウム化合物を含有した短波長光源用体積型ホログラム記録用感光性組成物, 山崎 健志, 山野 順三, 大背戸 豊, 小関 健一, 協和発酵ケミカル株式会社, 国立大学法人 千葉大学, 特願2007-294543, 13 Nov. 2007, 特開2009-122266, 04 Jun. 2009, j_global;url
    対象リソースIRI
  • Patent right, スクアリリウム化合物およびそれを用いた短波長光源用光重合性組成物, 大背戸 豊, 山野 順三, 協和発酵ケミカル株式会社, 特願2007-207328, 09 Aug. 2007, 特開2009-042491, 26 Feb. 2009, j_global;url
    対象リソースIRI
  • Patent right, スクアリリウム化合物およびそれを用いた短波長光源用光重合性組成物, 大背戸 豊, 山野 順三, 協和発酵ケミカル株式会社, JP2006321098, 24 Oct. 2006, WO2007-049579, 03 May 2007, j_global;url
    対象リソースIRI
  • Patent right, スクアリリウム化合物ならびにこれを用いた光電変換材料、光電変換素子および光電気化学電池, 清水 幾夫, 生田 昌徳, 加藤 繁明, 大背戸 豊, 協和発酵ケミカル株式会社, JP2005018952, 14 Oct. 2005, WO2006-041156, 20 Apr. 2006, j_global;url
    対象リソースIRI
  • Patent right, スクアリリウム化合物ならびにこれを用いた光電変換材料、光電変換素子および光電気化学電池, 清水 幾夫, 生田 昌徳, 加藤 繁明, 大背戸 豊, 協和発酵ケミカル株式会社, JP2005018951, 14 Oct. 2005, WO2006-041155, 20 Apr. 2006, j_global;url
    対象リソースIRI
  • Patent right, スクアリリウム化合物およびその金属錯体ならびにこれを用いた光電変換材料、光電変換素子および光電気化学電池, 清水 幾夫, 生田 昌徳, 加藤 繁明, 大背戸 豊, 昆野 昭則, 協和発酵ケミカル株式会社, 国立大学法人静岡大学, 特願2004-248702, 27 Aug. 2004, 特開2006-063221, 09 Mar. 2006, j_global;url
    対象リソースIRI
  • Patent right, 光電変換材料、光電変換素子および光電気化学電池, 清水 幾夫, 生田 昌徳, 加藤 繁明, 大背戸 豊, 昆野 昭則, 協和発酵ケミカル株式会社, 国立大学法人静岡大学, 特願2004-248704, 27 Aug. 2004, 特開2006-063034, 09 Mar. 2006, j_global;url
    対象リソースIRI
  • Patent right, 光電変換材料、光電変換素子および光電気化学電池, 清水 幾夫, 生田 昌徳, 加藤 繁明, 大背戸 豊, 協和発酵ケミカル株式会社, JP2005010572, 09 Jun. 2005, WO2005-122320, 22 Dec. 2005, j_global;url
    対象リソースIRI
  • Patent right, スクアリリウム化合物ならびにこれを用いた光電変換材料、光電変換素子および光電気化学電池, 清水 幾夫, 生田 昌徳, 加藤 繁明, 大背戸 豊, 協和発酵ケミカル株式会社, JP2005010570, 09 Jun. 2005, WO2005-121098, 22 Dec. 2005, j_global;url
    対象リソースIRI
  • Patent right, スクアリリウム化合物ならびにこれを用いた光電変換材料、光電変換素子および光電気化学電池, 清水 幾夫, 生田 昌徳, 加藤 繁明, 大背戸 豊, 協和発酵ケミカル株式会社, JP2005010571, 09 Jun. 2005, WO2005-121127, 22 Dec. 2005, j_global;url
    対象リソースIRI
  • Patent right, ビニルポリマー及びそれを用いた有機エレクトロルミネッセンス素子, 城田 靖彦, 大背戸 豊, 森脇 和之, 奥本 健二, 城田 靖彦, ダイセル化学工業株式会社, 特願2003-042575, 20 Feb. 2003, 特開2003-313240, 06 Nov. 2003, j_global;url
    対象リソースIRI

Research Projects

  • Grant-in-Aid for Scientific Research (C), Apr. 2019, Mar. 2023, 19K05634, 低分子性網目および高分子性網目を活用する多成分混成系ゲル材料創製, 大背戸 豊, Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Ashikaga University, 4290000, 3300000, 990000, Competitive research funding
  • Grant-in-Aid for Scientific Research (C), Oct. 2015, Mar. 2019, 15K05610, Principal investigator, 多成分系網目構造を利用する分子性ゲル材料創製, 大背戸 豊, Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), 4550000, 3500000, 1050000, Competitive research funding
  • Sep. 2015, Mar. 2017, 高齢化社会におけるソフトメカニクスのためのスマートソフトマテリアルに関する研究, 高原淳, 科学技術振興機構, 研究成果最適展開支援プログラムA-STEP, 0, 0, 0, Competitive research funding
  • Apr. 1997, Mar. 2002, フォトニクス用有機材料の創製とデバイスへの応用, 城田靖彦, 日本学術振興会, 未来開拓学術研究推進事業, 0, 0, 0, Competitive research funding
  • Apr. 2019, Mar. 2023, 19K05634, Principal investigator

Ⅲ．社会連携活動実績

１．公的団体の委員等（審議会、国家試験委員、他大学評価委員，科研費審査委員等）

  • West Japan Nanosheet Society, Organizing Committee, Apr. 2014, 9999, Others
  • The Textile Machinery Society of Japan, Planning Committee, Apr. 2021, Mar. 2022, Society
  • 2014, 9999
  • The Society of Polymer Science, Japan (SPSJ), Kansai Regional Chapter, District Committee Member, Jun. 2022, 9999, Society

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