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PRESENTATION

  1. Hiroshi Ishikita
    “Proton-coupled electron transfer in photosystem II”
    Gordon Research Conference (Jul. 21-26, 2019), Jul. 25, oral, invited, Grand Summit Hotel at Sunday River, ME, USA
  2. Hiroyuki Tamura
    “Theoretical Study of Charge and Exciton Dynamics in Molecular Condensates”
    CEMS Topical Meeting, Organic Photoelectronics: Theory, Materials, Interfaces, and Spectroscopy (Jul. 25-26, 2019), Jul. 26, oral, invited, Riken, Japan
  3. Hiroyuki Tamura
    “Combined Electronic Structure and Quantum Dynamical Analysis for Charge Separation and Singlet Fission ”
    Japan-Korea Molecular Science Symposium (Jul. 29-31, 2019), Jul. 30, oral, invited, Hotel Sunroute Plaza Nagoya, Nagoya, Japan
  4. Keisuke Saito
    “Mechanism of proton, electron and energy transfers in photosynthetic proteins”
    Japan-USA photosynthesis seminar (Oct. 1-3, 2019), Oct. 1, oral, invited, Kyoto International community House, Kyoto, Japan
  5. Masaki Tsujimura
    “Regulation of absorption wavelength and proton transfer in microbial rhodopsins”
    Stockholm-Tokyo University Partnership Online Workshop 2021 (Sep. 27-28, 2021), Sep. 27, oral, invited, online
  6. Masaki Tsujimura
    ”Protonation state of the key residue Asp234 in light-gated anion channelrhodopsin GtACR1」13th symposium on Discovery”,
    Fusion, Creation of New Knowledge by Multidisciplinary Computational Sciences (Oct. 8, 2021), Oct. 8, oral, online
  7. Masaki Tsujimura
    “Regulation of absorption wavelength and proton transfer in microbial rhodopsins”
    Stockholm-Tokyo University Partnership Online Workshop 2021 (Sep. 27-28, 2021), Sep. 27, oral, online
  8. Masaki Tsujimura
    “Protonation state of the key residue Asp234 in light-gated anion channelrhodopsin GtACR1”
    13th symposium on Discovery, Fusion, Creation of New Knowledge by Multidisciplinary Computational Sciences (Oct. 8, 2021), Oct. 8, oral, online
  9. Tomoyasu Noji, Hiroshi Ishikita
    “Shifting mechanism of absorption energy in intermediate states of bacteriorhodopsin”
    The 22nd Annual Meeting of the Protein Society of Japan (Jun. 7-9, 2022), Jun. 9, oral, Epochal Tsukuba International Congress Center, Tsukuba, Japan
  10. Masaki Tsujimura, Keiichi Kojima, Yuki Sudo, Hiroshi Ishikita
    “Insights into the light-driven ion-transport mechanism in microbial rhodopsins”
    The 22nd Annual Meeting of the Protein Society of Japan (Jun. 7-9, 2022), Jun. 7, oral, Epochal Tsukuba International Congress Center, Tsukuba, Japan
  11. Yoshihiro Chiba, Masaki Tsujimura, Hiroshi Ishikita
    Analysis of hydrogen bond network and proton transfer pathway in photoreaction of heliorhodopsin”
    The 22nd Annual Meeting of the Protein Society of Japan (Jun. 7-9, 2022), Jun. 7, oral, Epochal Tsukuba International Congress Center, Tsukuba, Japan
  12. Hiroshi Ishikita
    “Quinone-mediated electron transfer in type II reaction centers”
    International Congress on Photosynthesis Research 2022 (Jul. 31-Aug. 5, 2022), Aug. 1, oral, Dunedin, New Zealand, online
  13. Hiroshi Ishikita
    “Release of protons in response to the Mn4CaO5 oxidation in photosystem II”
    Satellite Meetings to 18th International Congress on Photosynthesis Research in 2022 (Aug. 6-7, 2022), Aug. 7, oral, Dunedin, New Zealand, online
  14. Hiroyuki Tamura, Keisuke Saito, Hiroshi Ishikita
    “Molecular level origin of unidirectional charge separation pathway in photosynthetic reaction centers”
    The 16th Annual Meeting of Japan Society for Molecular Science (2022) (Sep. 19-22, 2022), Sep. 19, oral, Keio University, Tokyo, Japan
  15. Masaki Tsujimura, Hiroshi Ishikita
    Regulation of absorption wavelength and proton transfer in microbial rhodopsins”
    The 60th Annual Meeting of the Biophysical Society of Japan (Sep. 28-30, 2022), Sep. 28, poster, Hakodate Arena, Hakodate Citizen Hall, Hakodate, Japan
  16. Hiroyuki Yatabe, Yutaro Saito, Iori Tamura, Yohei Kondo, Ryo Ishida, Tomohiro Seki, Keita Hiraga, Akihiro Eguchi, Yoichi Takakusagi, Keisuke Saito, Nobu Oshima, Hiroshi Ishikita, Kazutoshi Yamamoto, Murali C. Krishna, Shinsuke Sando
    “A newly designed hyperpolarized molecular probe enables the in vivo detection of aminopeptidase N activity from the tumor regions in animals”
    WMIC2022 (Sep. 28-Oct. 1, 2022), oral, online
  17. Shunya Nishio, Keisuke Saito, Hiroyuki Mino, Hiroshi Ishikita
    “Origin of electron paramagnetic resonance signals from the water-splitting complex in photosystem II”
    The 30th Anniversary Symposium of the Center for Computational Sciences at the University of Tsukuba (Oct. 13-14, 2022), Oct. 14, poster, Epochal Tsukuba International Congress Center, Tsukuba, Japan
  18. Masaki Tsujimura, Hiroshi Ishikita
    “Light absorption, proton transfer, and ion transport in the light-driven sodium-pumping rhodopsin KR2”
    19th International Conference on Retinal Proteins (Oct. 30-Nov. 4 2022), Oct. 30, poster, Royton Sapporo, Sapporo, Japan
  19. Keisuke Saito
    “Molecular mechanisms of light-harvesting and electron-transfer reactions in photosystem II”
    International Symposium on Photosynthesis and Chloroplast Regulation (Nov. 15-18,2022), Nov. 16, international, invited, Kobe Fashion Mart, Kobe, Japan
  20. Hiroyuki Tamura
    “Combined Electronic Structure and Quantum Dynamical Analysis for Singlet Fission”
    10th Jubilee Singlet Fission Workshop (Jun. 17-20, 2023), Jun. 18, invited, Dao House, Estes Park, CO, USA
  21. Hiroyuki Tamura
    “Theoretical clarification of fundamental mechanisms of dynamic exciton in energy conversion systems”
    学術変革領域研究（A）領域会議 (Jun. 30-Jul. 1, 2023), Jun. 30, international, oral, National Yang Ming Chiao Tung University, Taipei, Taiwan
  22. Masaki Tsujimura, Hiroshi Ishikita
    “Regulation of absorption wavelength in photoactive protein”
    The 23rd Annual Meeting of the Protein Science Society of Japan (Jul. 5-7, 2023), Jul. 5, international, poster, Nagoya Congress Centre, Nagoya, Japan
  23. Hiroshi Ishikita
    “Proton-Coupled Electron Transfer in Photosystem II”
    Gordon Research Conference (Jul. 23-28, 2023), Jul. 25, invited, Grand Summit Hotel at Sunday River, ME, USA
  24. Hiroyuki Tamura
    “Theoretical Clarification of Mechanisms of Exciton Charge Separation in Organic Photovoltaics” Annual Meeting on Photochemistry 2023 (Sep. 5-7, 2023), Sep. 5, international, oral, International Conference Center Hiroshima, Hiroshima, Japan
  25. Masaki Tsujimura, Keisuke Saito, Hiroshi Ishikita
    “Stretching vibrational frequencies and pKa differences in H-bond networks of protein environments”
    The 17th Annual Meeting of Japan Society for Molecular Science (Sep. 12-15, 2023), Sep. 13, oral, Toyonaka Campus of Osaka University, Osaka, Japan
  26. Hiroyuki Tamura, Keisuke Saito, Hiroshi Ishikita
    “Theoretical study of electron tunneling mechanisms in PSII-type reaction centers”
    The 17th Annual Meeting of Japan Society for Molecular Science (Sep. 12-15, 2023), Sep. 15, oral, Toyonaka Campus of Osaka University, Osaka, Japan
  27. Keisuke Saito, Masaki Tsujimura, Koji Mitsuhashi, Takumi Kagimoto,Hiroshi Ishikita
    “Mechanism of Controlling Absorption Wavelengths in Photosynthetic Light-Harvesting Proteins”
    The 17th Annual Meeting of Japan Society for Molecular Science (Sep. 12-15, 2023), Sep. 15, oral, Toyonaka Campus of Osaka University, Osaka, Japan
  28. Tomoyasu Noji, Hiroyuki Tamura, Keisuke Saito, Hiroshi Ishikita
    “Difference in the charge-separation energetics between distinct conformers in the PixD photoreceptor”
    15th Symposium on Discovery, Fusion, Creation of New Knowledge by Multidisciplinary Computational Sciences (Oct. 2-3, 2023), Oct. 3, poster, Epochal Tsukuba International Congress Center, Tsukuba, Japan
  29. Masaki Tsujimura, Yoshihiro Chiba, Keisuke Saito, Hiroshi Ishikita
    ”Proton transfer and conformational changes along the hydrogen bond network in heliorhodopsin” The 61st Annual Meeting of the Biophysical Society of Japan (Nov. 14-16, 2023), Nov. 16, poster, Nagoya Congress Center, Nagoya, Japan
  30. Yang Chen，Keisuke Saito, Hiroshi Ishikita
    “Important Factors Influencing the Intermediate-S2-State Formation of the Mn4CaO5 Cluster in Photosystem II”
    The 61st Annual Meeting of the Biophysical Society of Japan (Nov. 14-16, 2023), Nov. 14, oral, Nagoya Congress Center, Nagoya, Japan
  31. Masahiro Saito, Keisuke Saito, Hiroshi Ishikita
    “Structural and energetic insights into Mn-to-Fe substitution in the oxygen-evolving complex”
    The 61st Annual Meeting of the Biophysical Society of Japan (Nov. 14-16, 2023), Nov. 14, oral, Nagoya Congress Center, Nagoya, Japan
  32. Keisuke Saito, Masaki Tsujimura, Takumi Kagimoto, Hiroshi Ishikita
    “Understanding environmental adaptation mechanisms in photosynthetic light-harvesting proteins”
    The 61st Annual Meeting of the Biophysical Society of Japan (Nov. 14-16, 2023), Nov. 16, oral, Nagoya Congress Center, Nagoya, Japan
  33. Hiroyuki Tamura
    “Molecular Mechanisms That Enhance Charge Separation at Donor-Acceptor Interfaces in Non-Fullerene Organic Photovoltaics”
    245th ECS Meeting (May. 26-30, 2024), May. 27, oral, Marriott Marquis San Francisco, CA, USA
  34. Hiroshi Ishikita
    “Light-induced electron transfer and proton transfer in photosystem II”
    SFB 1078 Colloquium-Prof Hiroshi Ishikita (May. 27, 2024), May. 27, invited, Free University of Berlin, Berlin, Germany
  35. Hiroyuki Tamura
    “Combined Electronic Structure and Quantum Dynamical Analysis of Charge and Exciton Dynamics in Molecular Assemblies”
    The 8th Japan-Czech-Slovakia (JCS) International Symposium on Theoretical Chemistry (Jun. 17-20, 2024), Jun. 19, oral, Hokkaido University, Sapporo, Japan
  36. Hiroshi Ishikita
    “Redoxtriggered long-distance proton transfer in natural photosynthesis”
    3rd International Conference on Noncovalent Interactions (Jun. 17-21, 2024), Jun. 20, invited, Ilija M. Kolarac Endowment, Belgrade, Serbia
  37. Masaki Tsujimura, Keisuke Saito, Hiroshi Ishikita
    “pKa, stretching vibrational frequencies, and nuclear magnetic”
    IUPAB 2024 &62nd BSJ JOINT CONGRESS 2024 (Jun. 24-28, 2024), Jun. 25, poster,
    ICC Kyoto, Kyoto, Japan
  38. Keisuke Saito, Shunya Nishio, Yang Chen, Hiroshi Ishikita
    “Proton behavior in the oxygen-evolving cluster during the S2 to S3 transition”
    2nd Asia-Oceania International Congress on Photosynthesis (Sep. 18-21, 2024), Sep. 20, poster,
    Kobe Fashion Mart, Kobe, Japan
  39. Keiske Saito
    “A Role of Protein Matrix in Superexchnge Electron Transfer in Charge Separation”
    12th International Conference of Photosynthesis and Hydrogen Energy Research for Sustainability Conference (Oct. 13-19, 2024), Oct. 17, Invited, Bahcesehir University, Istanbul, Turkey
  40. Hiroshi Ishikita
    “Light-Induced Electron Transfer and Proton Transfer in PhotosystemⅡ”
    International Symposium on the Future of Enzyme Modeling (Oct. 22-26, 2024), Oct. 23, Invited Tianjin Institute of Industrial Biotechnology Chinese Academy of Sciences, Tianjin, China
  41. Hiroshi Ishikita
    “Light-Induced Electron Transfer in Photosynthetic Reaction Centers”
    2024 Conference on Computational Biology & Bioinformatics (Oct. 29-31, 2024), Oct. 30, Invited
    The Chinese University of Hong Kong, Hong Kong, China
  42. Masaki Tsujimura, Masae Konno, Keisuke Saito, Keiichi Inoue, Hiroshi Ishikita
    “Converting a chloride-pumping rhodopsin into a proton pump”
    2025 Proton Reactions BPS Conference (Aug. 3-8, 2025), Estes Park, CO, USA
  43. Akihito Goto, Hiroshi Ishikita, Keisuke Saito, Takayasu Sugiyama
    “DNP-MRI molecular probe with high enzymatic reactivity for in vivo detection of dipeptidyl peptidase-4 activity”
    Pacifichem 2025 (Dec. 15-20, 2025), Honolulu, HI, USA
  44. Ko Imaizumi, Shin-ichi Arimura, Taishi Nishimura, Ryo Nagao, Keisuke Saito, Takeshi Nakano, Hiroshi Ishikita, Takumi Noguchi, Kentaro Ifuku
    “Engineering of an extrinsic subunit of photosystem II to enhance the water oxidation activity”
    2025 Photosynthesis Gordon Research Seminar (Jul. 26-27, 2025), Grand Summit Hotel at Sunday River, ME, USA
  45. Makiko Koizumi, Hiroshi Ishikita, Keisuke Saito
    “Long-wavelength type LHC from green alga”
    The 16th International Conference on Tetrapyrrole Photoreceptors of Photosynthetic Organisms (Aug. 24-27, 2025), Aug. 25, oral, invited, The RPTU University of Kaiserslautern, Kaiserslautern, Germany