International Conference

  1. [Poster]Ryusei Oketani, Clément Brandel, Pascal Cardinael, Gérard Coquerel
    “Interplay of the racemization rate and the crystal growth rate on the deracemization rate”
    The 25th Bremen International Workshop on Industrial Crystallization (BIWIC2018), Rouen, September, 2018.
  2. [Oral]Ryusei Oketani, Clément Brandel, Pascal Cardinael, Gérard Coquerel
    “The role of racemization and crystal growth kinetics on deracemization rate of naphthamide compound using temperature cycling”
    13th International Workshop of the Crystal Growth of Organic Material (CGOM13), Seoul, August, 2018.
  3. [Poster]Ryusei Oketani, Hiroki Takahashi, Rui Tamura, Hirohito Tsue
    “Crystal structure and gas adsorption behavior of magnesium porphyrin with open coordination sites”
    Pacifichem 2015, Honolulu, December, 2015.
  4. [Poster]Ryusei Oketani, Yuya Mori, Kohei Sasaki, Hiroki Takahashi, Rui Tamura, Hirohito Tsue
    “X-ray Crystallographic Analysis of CO2 Adsorption State in Seemingly Nonporous Crystal of N,C-Proteced Methionylalanine”
    The 22nd International Conference on the Chemistry of the Organic Solid State (ICCOSS XXII JAPAN 2015), Niigata, July, 2015.
  5. [Poster]Ryusei Oketani, Suguru Higashida, Michio Matsumura
    “Formation of Lactones from Aromatic Diacid Compounds in Acetonitrile Solution by TiO2-Photocatalytic Reactions”
    The Seventh Tokyo Conference on Advanced Catalytic Science and Technology (TOCAT7), Kyoto, June, 2014.
  6. [Poster]Teruyuki Miyake, Ryusei Oketani, Suguru Higashida, Michio Matsumura
    “Effects of Additive Agents on Oxidative Cleavage Reaction of trans-Stilbene using TiO2 Photocatalyst in Acetonitrile Solution”
    The 17th SANKEN International Symposium, Osaka, January, 2014.
  7. [Oral]Ryusei Oketani, Taiki Uemoto, Fuya Nagano, Makoto Yamauchi, Kimihiko Sugiura
    “Demonstration display of the railroad model vehicle which carried a fuel cell system”
    SEMICON JAPAN2013 “The KOSEN@SEMICON”, Chiba, December, 2013.

    Domestic Conference

  1. [Poster]Ryusei Oketani, Clément Brandel, Pascal Cardinael, Gérard Coquerel
    “Deracemization of atropisomeric naphthamide through temperature cycles”
    Symposium on Molecular Chirality 2018, Chiba, May 11-12, 2018.
  2. [Oral]Ryusei Oketani, Yuya Mori, Kohei Sasaki, Hiroki Takahashi, Seiji Tsuzuki, Rui Tamura, Hirohito Tsue
    “CO2 Adsorption State in Seemingly Nonporous Crystal of N,C-Proteced Methionylalanine: X-ray Crystallographic Analysis and Intermolecular Interactions”
    27th Symposium on Physical Organic Chemistry, Hiroshima, September 1-3, 2016.
  3. [Oral]Ryusei Oketani, Kazuaki Yamanaka, Hiroki Takahashi, Toshimasa Katagiri, Yoshihiro Noro, Seiji Tsuzuki, Rui Tamura, Hirohito Tsue
    “Crystal Structure and Hydrogen Storage Behavior of Metalloporphyrins”
    Chemical Society of Japan The 96th annual meeting, Kyoto, March 24-27, 2016.
  4. [Oral]Ryusei Oketani, Hiroki Takahashi, Rui Tamura and Hirohito Tsue
    “Crystal Structure and Gas Adsorption Property of Magnesium Porphyrin with Open Coordination Sites”
    Chemical Society of Japan The 95th annual meeting, Chiba, March 26-29, 2015.
  5. [Poster]Ryusei Oketani, Yuya Mori, Kohei Sasaki, Hiroki Takahashi, Rui Tamura and Hirohito Tsue
    “X-ray Crystallographic Analysis of CO2 Adsorption State in the Crystal of N,C-Proteced Methionylalanine”
    The 23rd Organic Crystal Symposium, Chiba, September 15-17, 2014.
  6. [Poster]Ryusei Oketani, Suguru Higashida and Michio Matsumura
    “Formation of Lactones by Decarboxylation of Aromatic Diacids via TiO2-Mediated Photocatalytic Reactions”
    Chemical Society of Japan The 94th annual meeting, Aichi, March 27-30, 2014.
  7. [Poster]Ryusei Oketani, Suguru Higashida and Michio Matsumura
    “Formation of Lactones from aromatic diacid compounds by the photocatalytic reaction”
    Japan Association for College of Technology The 19th annual meeting, Kochi, August 31- September 1, 2013.
  8. [Oral]Ryusei Oketani, Suguru Higashida and Michio Matsumura
    “Cyclization of aromatic diacid compounds by TiO2-photocatalytic reaction with decarboxylation”
    The Society for Mathematical Sciences The 32nd annual meeting, Osaka, August 27, 2013.
  9. [Poster]Ryusei Oketani, Teruyuki Miyake, Suguru Higashida and Michio Matsumura
    “Formation of Lactone from diphenic acid by the TiO2-photocatalytic reaction.”
    Chemical Society of Japan The 93rd annual meeting, Shiga, March 22-25, 2013.
  10. [Poster]Ryusei Oketani and Suguru Higashida
    “Ring-closing reaction of diphenic acid by the TiO2-photocatalytic reaction”
    Osaka Prefecture University College of Technology Area Interchange Messe 2013, Osaka, March 7, 2013.
  11. [Poster]Ryusei Oketani, Suguru Higashida and Michio Matsumura
    “Ring-closing reaction by the photocatalytic reaction using F-modified TiO2
    The 22nd characterization class, Osaka, October 12, 2012.
  12. [Poster]Ryusei Oketani, Yuichiro Hashimoto, Seiho Jinnai and Suguru Higashida
    “Effects of amounts of water on formation of lactone by TiO2-photocatalytic reaction”
    Japan Association for College of Technology The 18th annual meeting, Mie, August 25-26, 2012.
  13. [Oral]Ryusei Oketani and Suguru Higashida
    “Formation of lactone via photocatalytic reaction with titanium oxide”
    The 14th College of Technology Chemistry meeting, Osaka, March 13, 2012.

Summer School & Workshop

  1. [Oral]Ryusei Oketani, Clément Brandel, Pascal Cardinael, Gérard Coquerel
    “Study of crystallization-induced chiral/diastereomeric resolution”
    Summer School Process Analytical Technologies for Crystallization, Manchester, April 16-19, 2018.
  2. [Oral]Ryusei Oketani, Clément Brandel, Pascal Cardinael, Gérard Coquerel
    “Optimization of Second Order Asymmetric Transformation”
    CORE Workshop – Solid State Properties, Cluj=Napoca, November 6-10, 2017.
  3. [Poster]Ryusei Oketani, Clément Brandel, Pascal Cardinael, Gérard Coquerel
    “Optimization of SOAT: Example of Naphthamide deracemization”
    Summer School on Chiral Crystallization, Resolution & Deracemization, Nijmegen, June 3-6, 2017.