Presentations

Presentations (Last update: Dec. 12, 2023)＞ Invited Talks /  2023  2022  2021  2020  2019  2018  2017  2016  2015  2014  2013  ~2012

Invited talks: 2013-present

  1. Ritsuko Fujii, "Structural basis of the utilization of blue-green light by a siphonaxanthin-binding light-harvesting complex II from a marine macro green alga", US-Japan binary photosynthesis seminar, Old Main, Arizona State University, Tempe, USA, 20231106-08.
  2. Ritsuko Fujii, "Function of antenna pigments in photosynthesis", Seminar in Chemistry Department, Renmin University China, Beijing, P.R. China, 20191012.
  3. Ritsuko Fujii, "Function of antenna pigments in photosynthesis", MRCPP seminar, MaChung Research Center for Photosynthetic Pigments, MaChung University, Malan, Indonesia, 20190712.
  4. Ritsuko Fujii, "Evaluating the regional changes in the accumulation level of bioactive molecules: Mass spectrometry Imaging (MSI)", Research symposium with presentations, Centre du Developpement de Ienfant, University of Geneve, Geneve, Switzerland, 20181105.
  5. Ritsuko Fujii, "Photosynthetic function of lettuce dominantly accumulating astaxanthin", Color and Diet of Plants, 1st International workshop of Diversity Research Environment Realization Initiative at Osaka City University, Osaka, Japan, 20181002.
  6. Ritsuko Fujii, Nami Yamano, Tadashi Mizoguchi, "The pH-Dependences in Optical Properties of Chlorophyll c Bound to the Photosynthetic Antenna Complex", The 5th Awaji International Workshop on Electron Spin Science & Technology: Biological and Materials Science Oriented Applications (AWEST2017), Awaji Yumebutai Conference Center, Hyogo, Japan, 20170619.
  7. Ritsuko FUJII, Nami YAMANO, Hideki HASHIMOTO, Norihiko MISAWA, Kentaro IFUKU, "How can the transplastomic lettuce that dominantly accumulating astaxanthin survive without most of natural carotenoids? − Photoprotection vs Photoinhibition of Photosystem II −", The 4th Awaji International Workshop on Electron Spin Science & Technology: Biological and Materials Science Oriented Applications (AWEST2016), Awaji Yumebutai Conference Center, Hyogo, Japan, 20160619-22.
  8. FUJII Ritsuko, SHIGEMATSU Yusuke, OKA Naohiro, IHA Masahiko, HASHIMOTO Hideki, "Structure of siphonaxanthin bound to the newly isolated photosynthetic antenna from a deep-sea green alga, Codium intricatum", 2012 OCARINA Annual International Meeting-Launch of the Artificial Photosynthesis Research Center-, Osaka, Japan, 20130304-06.

Conferences (English presentations)

FY2023(2023.4-2024.3)

  1. Kazuhiro Yoshida, Soichiro Seki, Yumiko Yamano, Takeharu Nagai, Tetsuichi Wazawa, Ritsuko Fujii*, "Characterization of the emissive state of a photosynthetic carbonyl carotenoid, siphonaxanthin: Solvent effect of fluorescence spectra", The 61st Annual Meeting of the Biophysical Society of Japan, Nagoya Congress Center, Nagoya, Japan, 20231114-16, poster 1pos158.
  2. Soichiro Seki, Yumiko Yamano, Naohiro Oka, Yasuhiro Kamei, and Ritsuko Fujii*, "Blue-green light inhibits the biosynthesis of a unique photosynthetic carotenoid in the marine macrogreen alga, Codium fragile",The EMBO | COB Workshop 'Trans-Scale Biology' using exotic non-model organisms, Okazaki, Japan, 20230725-27, poster P29.
  3. Soichiro Seki, Tetsuko Nakaniwa, Pablo Castro-Hartmann, Kasim Sader, Akihiro Kawamoto, Hideaki Tanaka, Pu Qian, Genji Kurisu, Ritsuko Fujii*,"Structures of siphonaxanthin and its acyl ester in marine green algal light-harvesting complex II", The 19th International Symposium on Carotenoids (ISC2023 Toyama), Toyama, Japan, 20230709-14, oral 4O-3, Travel Award
  4. Kazuhiro Yoshida, Soichiro Seki, Yumiko Yamano, Ritsuko Fujii*, "Analysis of ICT state with fluorescence at low-temperature", The 19th International Symposium on Carotenoids (ISC2023 Toyama), Toyama, Japan, 20230709-14, poster P4-17.
  5. Soichiro Seki, Yumiko Yamano, Naohiro Oka, Yasuhiro Kamei, Ritsuko Fujii*, "Blue-to-green light regulates siphonaxanthin biosynthesis: Discovery of deoxysiphonaxanthin in an edible macrogreen alga, Codium fragile", The 19th International Symposium on Carotenoids (ISC2023 Toyama), Toyama, Japan, 20230709-14, poster P1-8.
  6. Shin-ichi Sasaki, Yanxiang Liu, Ritsuko Fujii, and Xiao-Feng Wang*, "Effects of β-Carotene Coating on Chlorin-Modified Pt/TiO2 Photocatalysts for Water Splitting Hydrogen Evolution", 18th International Workshop on Supramolecular Nanoscience of Chemically Programmed Pigments (SNCPP23), Shiga, Japan, 20230609-11, poster P-42.

FY2022(2022.4-2023.3)

  1. Soichiro Seki, Kazuhiro Yoshida, Naohiro Oka, Yumiko Yamano, Mitsuru Sugisaki, Ritsuko Fujii*, "Why does the marine light-harvesting carotenoid siphonaxanthin have non-conjugated hydroxyl group?", ISPCR (International Symposium on Photosynthesis and Chloroplast Regulation), Kobe, Japan, 20221115-18, oral.
  2. Hikari Takakura, Naoko Norioka, Naohiro Oka, Soichiro Seki, Hideaki Tanaka, Genji Kurisu, Ritsuko Fujii*, "In-vitro reconstruction of the photosynthetic antenna of a siphonous green algae for improved binding of polar carotenoids",  The 60th annual meeting of the Biophysical Society of Japan, Hakodate, Japan, 20220928-30. 1Pos231
  3. Tatas H. P. Brotosudarmo, Bernd Wittmann, Soichiro Seki, Ritsuko Fujii*, Jürgen Köhler, "Wavelength-Dependent Optical Response of Single Photosynthetic Antenna Complexes from Siphonous Macrogreen Alga Codium fragile", The 60th annual meeting of the Biophysical Society of Japan, Hakodate, Japan, 20220928-30. 1Pos228
  4. Soichiro Seki, Kazuhiro Yoshida, Yumiko Yamano, Naohiro Oka, Mitsuru Sugisaki, Ritsuko Fujii*, "Effect of non-conjugating functional groups on conjugated systems of a photosynthetic carotenoid, siphonaxanthin", The 60th annual meeting of the Biophysical Society of Japan, Hakodate, Japan, 20220928-30. 2Pos241
  5. Soichiro Seki, Kazuhiro Yoshida, Naohiro Oka, Yumiko Yamano, Yasuhiro Kamei, Mitsuru Sugisaki, Ritsuko Fujii*, "Carotenoid interconversion in LHCII of Codium fragile stimulated by blue-green irradiation", 18th International Congress on Photosynthesis Research, Hybrid at the Dunedin Centre, 1 Harrop Street Dunedin, New Zealand 9016, 20220731-0805. oral. Poster Prize (4/162)
  6. Yu Kita, Masanobu Higashi, Ritsuko Fujii, Yutaka Amao, "Hybrid process to produce 3-hydroxybutyrate from CO2 and acetone by using carboxylase and dehydrogenase under visible-light irradiation", TOCAT9 (The 9th Tokyo Conference on Advanced Catalytic Science and Technology), Fukuoka, Japan, 20220724-29, oral.
  7. Yu Kita, Masanobu Higashi, Ritsuko Fujii, Yutaka Amao, "Combination process to produce 3-hydroxybutyrate from CO₂ and acetone by using multi-enzymes under visible-light irradiation", ISHHC19 (The 19th International Symposium on Relations between Homogeneous and Heterogeneous Catalysis), on-line (Oslo, Norway), 20220626-29, oral. Presentation Award
  8. Soichiro Seki, Kazuhiro Yoshida, Yumiko Yamano, Ritsuko Fujii*, "Effect of a non-conjugated functional group to the optical properties of carbonyl carotenoid", 2nd Virtual International Conference on Carotenoid (VICC 2022), on-line (USA), 20220412-14, oral. Presentation Award

FY2021(2021.4-2022.3)

  1. Chiari Akiyama, Naoko Norioka, Naohiro Oka, Yumiko Yamano, Tetsuko Nakaniwa, Hideaki Tanaka, Genji Kurisu, Ritsuko Fujii*, "In-vitro reconstruction of light-harvesting complexes of siphonous green alga, Codium fragile," The 59th annual meeting of the Biophysical Society of Japan, on-line (Gumma), 20211125-27. oral
  2. Soichiro Seki, Yumiko Yamano, Ritsuko Fujii*, "Discovery of a new siphonaxanthin biosynthetic precursor: Structure and its coupling to photosynthetic antenna", 1st Virtual International Conference on Carotenoid (VICC 2021), on-line (USA), 20210622-25. oral. Presentation Award

FY2020(2020.4-2021.3)

  1. Soichiro Seki, Yumiko Yamano, Ritsuko Fujii*, "Discovery of novel siphonaxanthin biosynthetic intermediates and their physiological functions", The 62nd Annual meeting of the Japanese Society of Plant Physiologists, online (Matsue), Shimane, Japan, 20210314-16. oral.
  2. Chiari Akiyama, Naoko Norioka, Naohiro Oka, Yuki Isaji, Tetsuko Nakaniwa, Rei Tohda, Hideaki Tanaka, Genji Kurisu, Ritsuko Fujii*, "In-vitro reconstruction of light-harvesting antenna SCP of a marine-green alga, Codium fragile",  The 62nd annual meeting of the Japanese Society of Plant Physiologists, on-line (Matsue), Shimane, Japan, 20210314-16. poster.

FY2019(2019.4-2020.3)

  1. SASAKI, Shin-ichi; LIU, Yanxiang; YAMANO, Yumiko; FUJII, Ritsuko; WANG, Xiao-Feng, "Synthesis of chlorin-carotenoid conjugate and its application to photocatalyst for hydrogen evolution", The 100th CSJ Annual Meeting (2020), The Chemical Society of Japan, Tokyo University of Science, Tokyo, Japan, 20200322-25. poster.
  2. Shin-ichi Sasaki, Shengnan Duan, Ritsuko Fujii, Yumiko Yamano, Xiao-Feng Wang, "Synthesis of bacteriochlorin-carotenoid conjugates and their application to solar cells", International Conference on Artificial Photosynthesis-2019 (ICARP2019), Hiroshima Conventional Hall, Hiroshima, Japan, 20191120-24.
  3. Yuki Isaji, Nami Yamano, Masahiko Iha, Naohiro Oka, Tetsuko Nakaniwa, Rei Tohda, Naoko Norioka, Genji Kurisu, Ritsuko Fujii, "In-vitro Reconstitution of Photosynthetic Light-Harvesting Complex from Siphonous Green Alga", International Conference on Artificial Photosynthesis-2019 (ICARP2019), Hiroshima Conventional Hall, Hiroshima, Japan, 20191120-24.
  4. Soichiro Seki, Yumiko Yamano, Kentaro Fujiwara, Ryuishi Kano, Ritsuko Fujii, "Accumulation of Photosynthetic Carotenoids in Codium fragile under Different Light Regimes", International Conference on Artificial Photosynthesis-2019 (ICARP2019), Hiroshima Conventional Hall, Hiroshima, Japan, 20191120-24. Poster Award

FY2018(2018.4-2019.3)

  1. Soichiro Seki, Ryuichi Kano, Ritsuko Fujii, "Excess accumulation of carotenoids in a siphonous green alga, Codium fragile, upon different light strengths", The 10th OCARINA International Symposium, 10th Floor, Media Center of Osaka City University, Osaka, Osaka, 20190305-6. poster P43
  2. Nami Yamano, Kentaro Ifuku, Hideki Hashimoto, Norihiko Misawa, Ritsuko Fujii, "Novel photosynthetic strategy utilizing powerful-antioxidative carbonyl carotenoids", Symposium on Antioxidants: Mechanisms & applications, Century Hall, Renmin University of China, Beijing, China, 13-14 Oct 2018. oral
  3. Nami Yamano, Ritsuko Fujii, "Optical property of aggregated fucoxanthin in acetone-water mixture, The 56th annual meeting of the Biophysical Society of Japan, Okayama University, Okayama, Japa, 20180915. oral 
  4. Masahiro Tsuji, Emi Tanaka, Yuko Ogawa, Takeo Mukai, Tomomi Simonaka, Yoshiaki Sato, Takashi Hamazaki, Ritsuko Fujii, Tokiko Nagamura-Inoue, Haruo Shintaku, "Intravenous infusion of mesenchymal stem cells alter metabolites in the brain and ameliorates neonatal stroke in mice",22nd Biennial Meeting of the International Society for Developmental Neuroscience Development of circuits, functions, and disorders in the nervous system, Nara Kasugano International Forum, Nara, Japan, 22-25 May 2018, poster.

FY2017(2017.4-2018.3)

  1. Nami Yamano, Tadashi Mizoguchi, Ritsuko Fujii*, "Elucidation of the environmental factors influenced on the optical properties of fucoxanthin and chlorophyll c bound to the fucoxanthin chlorophyll a/c protein, FCP", The 9th OCARINA International Symposium, 10th Floor, Media Center of Osaka City University, Osaka, Japan, 20180306-07.
  2. Yuki Isaji, Rei Tohda, Nami Yamano, Tetsuko Nakaniwa, Genji Kurisu, Ritsuko Fujii*, "In-vitro reconstitution of light-harvesting complexes of a siphonous green alga, Codium fragile", The 9th OCARINA International Symposium, 10th Floor, Media Center of Osaka City University, Osaka, Japan, 20180306-07.
  3. Nami Yamano, Tadashi Mizoguchi, Ritsuko Fujii*, "The pH-Dependent Optical Property of Chlorophyll c bound to the Light-Harvesting Complex from a Diatom, Chaetoceros calcitrans, The 55th annual meeting of the Biophysical Society of Japan, Kumamoto University, Kumamoto, Japan, 20170919-21. poster.
  4. Fujii R*, Yamano N, Hashimoto H, Misawa N, Ifuku K*, "How can the transplastomic lettuce that dominantly accumulating astaxanthin survive without most of natural carotenoids?", The 18th International Symposium on Carotenoids 2017, Lucerne, Switzerland, 20170709-14. poster
  5. Ryuichi Kano, Kentaro Fujiwara, Fujii R*, "Extra accumulation of carotenoids upon intense irradiation during culture of siphonous green algae, Codium fragile", The 5th Awaji International Workshop on Electron Spin Science & Technology: Biological and Materials Science Oriented Applications (AWEST2017), Awaji Yumebutai Conference Center, Awaji, Hyogo, Japan, 20170619. poster.

FY2016(2016.4-2017.3)

  1. Nami Yamano, Tadashi Mizoguchi, Fujii R*, "The pH-Dependent Optical-Property of Chlorophyll c bound to the Light-Harvesting Complex from a Diatom, Chaetoseros calcitrans",2017 International Conference on Artificial Photosynthesis (ICARP2017), Suzaku Campus, Ritsumeikan University, Nakagyo-ku, Kyoto, Japan, 2017/3/2-5. poster
  2. Nami Yamano, Tadashi Mizoguchi, Fujii R*, "The pH-Dependent Optical-Property of Chlorophyll c bound to the Light-Harvesting Complex from a Diatom, Chaetoseros calcitrans", Light-harvesting process (LHP2017), Banz Monastery, Germany, 2017/3/26-30. poster.
  3. Nami Yamano, Kentaro Ifuku, Hideki Hashimoto, Norihiko Misawa, Ritsuko Fujii*, "Structure and Function of Novel Carbonyl-Carotenoid bound to Light-Harvesting Complex II from Transplastomic Lettuce", The 54th annual meeting of the Biophysical Society of Japan, Tsukuba Conference Center, Ibaraki, Japan, 2016/11/25-27, poster.
  4. Kentaro Fujiwara, Ryuichi Kano, Ritsuko Fujii*, "Extra accumulation of carotenoids upon intense irradiation during culture of siphonous green algae, Codium fragile", The 54th annual meeting of the Biophysical Society of Japan, Tsukuba Conference Center, Ibaraki, Japan, 2016/11/25-27, poster.
  5. Nami Yamano, Kentaro Ifuku, Hideki Hashimoto, Norihiko Misawa, Ritsuko Fujii*, "Structure and Function of Novel Carbonyl-Carotenoid bound to Light-Harvesting Complex II from Transplastomic Lettuce", Twelfth International Workshop on Supermolecular Nanoscience of Chemically Programmed Pigments (SNCPP16), Epoch Ritsumei 21, Biwako-Kusatsu Campus, Ritsumeikan University, Kusatsu, Shiga, Japan, 2016/6/17-19. poster & short oral
  6. Fujii R*, Yamano N, Hashimoto H, Misawa N, Ifuku K*, "Photoprotection vs Photoinhibition of Photosystem II in Transplastomic Lettuce Dominantly Accumulating Astaxanthin", Twelfth International Workshop on Supermolecular Nanoscience of Chemically Programmed Pigments (SNCPP16), Epoch Ritsumei 21, Biwako-Kusatsu Campus, Ritsumeikan University, Kusatsu, Shiga, Japan, 2016/6/17-19. poster

FY2015(2015.4-2016.3)

  1. Nami Yamano, Kentaro Ifuku, Hideki Hashimoto, Norihiko Misawa, Ritsuko Fujii*, "Structure and function of LHCII binding carbonyl carotenoids", The 57th Annual meeting of the Japanese Society of Plant Physiologists, Iwate University, Morioka, Japan, 2016/3/18-20. poster PL-202
  2. Ritsuko Fujii*, Nami Yamano, Hideki Hashimoto, Norihiko Misawa, Kentaro Ifuku, "PSII photoinhibition & photoprotection in lettuce dominantly accumulating astaxanthin", The 57th Annual meeting of the Japanese Society of Plant Physiologists, Iwate University, Morioka, Japan,2016/3/18-20. poster PL-201
  3. Tadashi Mizoguchi, Megumi Isaji, Jiro Harada, Nami Yamano, Ritsuko Fujii, Hitoshi Tamiaki, "Structure and function of chlorophyll a in a diatom, Chaetoceros calcitrans", The 57th Annual meeting of the Japanese Society of Plant Physiologists, Iwate University, Morioka, Japan, 2016/3/18-20. poster PF-185
  4. Kentaro Fujiwara, Hiroyo Otaki, Ritsuko Fujii*, "Accumulation of All-trans Neoxanthin with Irradiation Strength during Culture in Filamentous Form of Codium fragile", 7th OCARINA International Symposium, Media Center, Osaka City University, Osaka, Japan, 2016/3/18-20, poster P22
  5. Nami Yamano, Kentaro Ifuku, Hideki Hashimoto, Norihiko Misawa, Ritsuko Fujii*, "Structure and Function of the Carbonyl-Carotenoid Binding Light-Harvesting Complex II", 7th OCARINA International Symposium, Media Center, Osaka City University, Osaka, Japan, 2016/3/18-20, poster P21--> Poster prize

FY2014(2014.4-2015.3）

  1. Shohei KITA, Ritsuo Fujii Hideki Hashimoto, ”Construction of carotenoid semi-condensed system: A model of photosynthetic antenna”, 2014 International Conference on Artificial Photosynthesis (ICARP2014), Awaji Yumebutai International Conference Center, Awaji City, Hyogo, Japan, Nov. 24-28, 2014.
  2. Hideki HASHIMOTO, Daisuke KOSUMI, Ritsuo Fujii, Mitsuru SUGISAKI, Masahiko IHA, Kazuhiko SAKAGUCHI, Shigeo KATSUMURA, "The secret of highly efficient light-harvesting antenna found in brown algal photosynthesis", 2014 International Conference on Artificial Photosynthesis (ICARP2014), Awaji Yumebutai International Conference Center, Awaji City, Hyogo, Japan, Nov. 24-28, 2014 (Invited talk).
  3. Daisuke Kosumi, Satoshi Maruta, Ritsuo Fujii, Mitsuru Sugksaki, Shinichi Takaichi, Richard Cogdell, Hideki Hashimoto, ”A Regulation of Energy Flow in Purple Bacterial Photosynthetic Antennas”, The 19th International Conference on Ultrafast Phenomena (UP2014), Okinawa Convention Center, Okinawa, Japan, July 7-11, 2014.
  4. Chiasa Uragami, Denise Galzerano, Andrew Gall, Yusuke Shigematsu, Maiwen Meisterhans, Naohiro Oka, Masahiko Iha, Ritsuko Fujii, Bruno Robert, Hideki Hashimoto, ”The Raman Spectroscopic Study on Siphonous Green Alga, Codium intricatum, Cultivated at Two Different Kinds of Light Condition”, The 17th International Carotenoid Symposium, Park City, Utah, USA, Utah, June 29-July 4, 2014.
  5. Nami Yamano, Ritsuko Fujii, Kentaro Ifuku, Norihiko Misawa and Hideki Hashimoto, ”Photosynthetic Pigments Bound to the Pigment-Protein Complexes in Astaxanthin Producing Lettuce”, The 17th International Carotenoid Symposium, Park City, Utah, USA, Utah, June 29-July 4, 2014.
  6. Hideki Hashimoto, Daisuke Kosumi, Ritsuko Fujii, Mitsuru Sugisaki, Masahiko Iha, Kazuhiko Sakaguchi, and Shigeo Katsumura, "Ultrafast excited state dynamics of marine carotenoid fucoxanthin and its homologues", The 17th International Carotenoid Symposium, Park City, Utah, USA, Utah, June 29-July 4, 2014 (Invited talk).

FY2013(2013.4-2014.3)

  1. Tomoko Horibe, Ritsuko Fujii, Daisuke Kosumi, Keiji Okada, Mamoru Nango, Pu Qian, C. Neil Hunter, Hideki Hashimoto, "Asymmetry of the carotenoid molecules bound to bacterial light-harvesting complexes", The 2013 OCARINA Annual International Meeting, 10th Floor, Media Center of Osaka City University, Osaka, Mar. 4-5, 2014.
  2. D. Kosumi, S. Maruta, R. Fujii, M. Sugisaki, S. Takaichi, R.J. Cogdell, H. Hashimoto, "The back and forth of energy flow in purple bacterial photosynthetic antennas", The 2013 OCARINA Annual International Meeting, 10th Floor, Media Center of Osaka City University, Osaka, Mar. 4-5, 2014.
  3. Shohei Kita, Ritsuko Fujii*, Hideki Hashimoto, "Construction of Carotenoid Molecularly-Oriented Film: a Model System of Photosynthetic Antenna", The 2013 OCARINA Annual International Meeting, 10th Floor, Media Center of Osaka City University, Osaka, Mar. 4-5, 2014.
  4. Chiasa Uragami, Denise Galzerano, Andrew Gall, Yusuke Shigematsu, Maiwen Meisterhans, Naohiro Oka, Masahiko Iha, Ritsuko Fujii, Bruno Robert, and Hideki Hashimoto, "Measuring the Raman spectra of siphonous green alga, Codium intricatum, cultivated at two kinds of light condition", The 2013 OCARINA Annual International Meeting, 10th Floor, Media Center of Osaka City University, Osaka, Mar. 4-5, 2014.

Invited talks (~2012)

  1. R. Fujii, M. Kita, M. Iha and H. Hashimoto, "Pigment Composition in the Major Light-Harvesting Complexes from a Brown Alga, Okinawa Mozuku", International Workshop on Spectroscopic Studies of Carotenoids, Chlorophylls and Bacterial Photosynthesis, Kwansei Gakuin Hall, Nishinomiya, Japan, Jan. 25, 2010.
  2. Ritsuko Fujii, Shozo Shimonaka, Naoko Uchida, Alastair T. Gardiner, Richard J. Cogdell, Mitsuru Sugisaki and Hideki Hashimoto, "Construction of Hybrid Photosynthetic Units using Peripheral and Core Antennae from Two Different Species of Photosynthetic Bacteria: Detection of the Energy Transfer from Bacteriochlorophyll a in LH2 to Bacteriochlorophyll b in LH1", 15th International Symposium on Carotenoids, Hotel Moon Beach, Okinawa, Japan, June 22-27, 2008.
  3. Ritsuko Fujii, Madoka Shimizu, Tomohiro Nishio, Toshiyuki Kusumoto, Dariusz Niedzwiedzki, Zeus Pendon, Harry A. Frank, Richard J. Cogdell, Hideki Hashimoto, "Triplet States of Carotenoids Having Shorter Conjugation Lengths Reconstituted into the Reaction Centre of Rhodobacter sphaeroides R26.1 Detected by Time-Resolved Absorption Spectroscopy", International Workshop on Photosynthetic Antennae and Coherent Phenomena, Osaka, Japan, Dec. 6-8, 2005.
  4. Ritsuko Fujii, "Carotenoid Photo-Protection Function in Bacterial Reaction Center", Institute of Chemistry, Chinese Academy of Science, Beijing, P. R. China, Sep. 21, 2001.

Conferences (English presentation only, ~2012)

＞＞ 2012 / 2011 / 2010 / 2009 / 2008 / 2007 / 2006 / 2005 / 2004 / 2003 / 2002 / 2001 / 2000 / 1999-1994

FY2012(2012.4-2013.3)

  1. Shohei Kita, Ritsuko Fujii, Hideki Hashimoto, "Construction of Carotenoid Molecularly-Oriented Film: a Model System of Photosynthetic Antenna", 2012 OCARINA Annual International Meeting-Launch of the Artificial Photosynthesis Research Center-, Osaka, Japan, Mar.4-6, 2013.
  2. Masahiro SHIROTA, Ritsuko FUJII, Norihiko MISAWA and Hideki HASHIMOTO, "Elucidation of the photosynthetic function of carbonyl carotenoids in the Chloroplast Genome-Modified lettuce", 2012 OCARINA Annual International Meeting-Launch of the Artificial Photosynthesis Research Center-, Osaka, Japan, Mar.4-6, 2013.
  3. Naoki Senju, Ritsuko Fujii, Tadashi Mizoguchi, Masahiko Iha, Akio Ichimura, Hideki Hashimoto, "Optical properties of photoexcited states of oceanic photosynthetic antenna pigment, chlorophylls c (Chls c)", 2012 OCARINA Annual International Meeting-Launch of the Artificial Photosynthesis Research Center-, Osaka, Japan, Mar.4-6, 2013.
  4. Ritsuko Fujii, Naoki Senju, Masahiko Iha, and Hideki Hashimoto, "Dissociation equilibrium constant of chlorophyll c", Eighth International Workshop on Supramolecular Nanoscience of Chemically Programmed Pigments (SNCPP12), Kusatsu, Shiga, Japan, June.22-24, 2012.

FY2011(2011.4-2012.3)

  1. Ritsuko Fujii, Naoki Senju, Yusuke Shigematsu, Masahiko Iha, Hideki Hashimoto, "Thermotolerance of carbonyl carotenoids bound to the photosynthetic antennae from oceanic algae", JST-PRESTO International Symposium on Photo-Science Leading to a Sustainable Society: Environment, Energy, Functional Materials, Keio University, Hiyoshi Campus, Yokohama, Japan, Mar. 26-27, 2012.

FY2010(2010.4-2011.3)

  1. Katsunori Nakagawa, Shunsuke Sakai, Ayano Nakashima, Masaharu Kondo, Toshihisa Mizuno, Alastair T. Gardiner, Richard J. Cogdell, Ritsuko Fujii, Hideki Hashimoto, Takehisa Dewa and Mamoru Nango, "Reconstitution of light-harvesting 1 (LH1) complexes using zinc-substituted bacteriochlorophyll a and LH1-polypeptides isolated from purple photosynthetic bacteria together with all-trans carotenoids", A satellite workshop on "Photosynthetic Light-Harvesting", Nankai University, Tianjin, China, August 18-22, 2010.
  2. Hideki Hashimoto, Daisuke Kosumi, Satoshi Maruta, Tomoko Horibe, Ritsuko Fujii, Mitsuru Sugisaki, Mamoru Nango, R. J. Cogdell, "Energy-transfer dynamics between carotenoid and bacteriochlorophyll in the light-harvesting system of purple photosynthetic bacteria as mixing spectroscopies", A satellite workshop on "Photosynthetic Light-Harvesting", Nankai University, Tianjin, China, August 18-22, 2010. (Invited Talk)
  3. Mitsuru Sugisaki, Daisuke Kosumi, Keisuke Saito, Ritsuko Fujii, Richard J. Cogdell, Hideki Hashimoto, "Strongly Coupled Vibronic Modes Investigated by Means of Four-wave Mixing Spectroscopy", 17th International Conference on Ultrafast Phenomena (UP), The Silvertree Hotel and Snowmass Conference Center, Snowmass, Colorado, USA, July 18-23, 2010.
  4. D. Kosumi, S. Maruta, T. Kusumoto, R. Fujii, M. Sugisaki, M. Iha, H. A. Frank, and H. Hashimoto, "Excitation Energy Dependence of the S1 and ICT State Dynamics in Marine Carotenoids Studied by Femtosecond One- and Two-Photon Pump-Probe Spectroscopy", 17th International Conference on Ultrafast Phenomena (UP), The Silvertree Hotel and Snowmass Conference Center, Snowmass, Colorado, USA, July 18-23, 2010.
  5. S. Maruta, T. Horibe, D. Kosumi, R. Fujii, M. Sugisaki, R.J. Cogdell, and H. Hashimoto, "New Ultrafast Energy Transfer Pathway in Purple Bacterial Photosynthetic Core Antennae", 9th International Conference on Excitonic and Photonic Processes in Condensed and Nano Materials (EXCON), Brisbane, Queensland, Australia, July 11-16, 2010.
  6. D. Kosumi, S. Maruta, T. Horibe, R. Fujii, K. Kanemoto, M. Sugisaki, R. J. Cogdell, and H. Hashimoto, "Ultrafast Excited State dynamics of Monomeric and Aggregated Bacteriochlorophyll a in Bacterial Photosynthetic Membranes", 9th International Conference on Excitonic and Photonic Processes in Condensed and Nano Materials (EXCON), Brisbane, Queensland, Australia, July 11-16, 2010.
  7. Mitsuru Sugisaki, Daisuke Kosumi, Keisuke Saito, Ritsuko Fujii, Richard J. Cogdell, and Hideki Hashimoto, "Strong coupling of vibronic oscillations in carotenoid dissolved in an organic solvent and bound in pigment-protein complexes by means of coherent control", 17th International Conference on Dynamical Processes in Excited States of Solids (DPC ‘10), Argonne National Laboratory, APS Conference Center, Argonne, Illinois 60439, USA, June 20-25, 2010.
  8. D. Kosumi, T. Kusumoto, R. Fujii, M. Sugisaki, M. Iha, H.A. Frank and H. Hashimoto, "Ultrafast S1 and ICT Excited State Dynamics of Marine Carotenoid as Revealed by Femtosecond One- and Two-Photon Pump-Probe Spectroscopic Measurements", 17th International Conference on Dynamical Processes in Excited States of Solids (DPC ‘10), Argonne National Laboratory, APS Conference Center, Argonne, Illinois 60439, USA, June 20-25, 2010.
  9. Satoshi Maruta, Tomoko Horibe, Daisuke Kosumi, Ritsuko Fujii, Mitsuru Sugisaki, Richard J. Cogdell, and Hideki Hashimoto, "New Ultrafast Energy Transfer Pathway in a Photosynthetic Core Antenna from Rhodospirillum rubrum S1 Revealed by Femtosecond Time-Resolved Spectroscopy", 17th International Conference on Dynamical Processes in Excited States of Solids (DPC ‘10), Argonne National Laboratory, APS Conference Center, Argonne, Illinois 60439, USA, June 20-25, 2010.

FY2009(2009.4-2010.3)

  1. R. Fujii, M. Kita, M. Iha and H. Hashimoto, "Pigment Composition and Optical Properties of the Major Light-Harvesting Complexes from an Edible Brown Alga, ‘OKINAWA MOZUKU ‘", 2010 OCU International Symposium on the Foundation of Environmental Research, Awaji Yumebutai International Conference Center, Hyogo, Japan, Mar. 8-9, 2010.
  2. Hideki Hashimoto, Ritsuko Fujii, Richard J. Cogdell, and Mitsuru Sugisaki, "Sub-20 fs Coherent Spectroscopy of Carotenoids In and Out of Pigment-Protein Complexes", 18th ISPPCC Satellite Symposium on Photochemistry and Photobiology of Supramolecular Systems and Coordination Compounds (PPC2009), Ritsumeikan University, Shiga, Japan, July. 9-11, 2009.

FY2008(2008.4-2009.3)

  1. Yuko Sugai, Mitsuru Sugisaki, Masazumi Fujiwara, Ritsuko Fujii, Richard J. Cogdell, and Hideki Hashimoto, "Transient Grating Spectroscopy in Rhodobacter Sphaeroides 2.4.1", Light-Harvesting Processes (LHP 2009), Banz Monestary, Germany, Mar. 10-14, 2009.
  2. Toshiyuki Kusumoto, Ritsuko Fujii, Daisuke Kosumi and Hideki Hashimoto, "π-Conjugation Chain Length Dependence of the Dication State of Polar Carotenoid Analogues Measured by Nanosecond Time-Resolved Absorption Spectroscopy", Light-Harvesting Processes (LHP 2009), Banz Monastery, Germany, Mar. 10-14, 2009.
  3. Toshiyuki Kusumoto, Daisuke, Kosumi, Tomoaki Hashimoto, Ritsuko Fujii, Mitsuru Sugisaki, and Hideki Hashimoto, "Femtosecond Time-resolved Absorption Spectroscopy of a Polar Carotenoid Analogue, 2-(all-trans-retinylidene) Indan-1, 3-dione in Various Solvents", Light-Harvesting Processes (LHP 2009), Banz Monastery, Germany, Mar. 10-14, 2009.
  4. Aleksander W. Roszak, Alastair T. Gardiner, Vladimira Moulisova, Adhie D. Putranto, Ritsuko Fujii, Hideki Hashimoto, Neil W. Isaacs, Richard J. Cogdell, "Femtosecond Time-Resolved Absorption Spectroscopy of a Polar Carotenoid Analogue, 2-(All-trans-Retinylidene) Indan-1, 3-Dione"（invited talk）, The 22th annual meeting of the Carotenoid Society of Japan, Okinawa, Japan, Jun. 28-29, 2008.
  5. Aleksander W. Roszak, Alastair T. Gardiner, Vladimira Moulisova, Adhie D. Putranto, Ritsuko Fujii, Hideki Hashimoto, Neil W. Isaacs, Richard J. Cogdell, "Structure of the Carotenoid Bound to the Reaction Centre from Blastochloris viridis", 15th International Symposium on Carotenoids, Hotel Moon Beach, Okinawa, Japan, June. 22-27, 2008.
  6. Emiko Shibata, Ritsuko Fujii, Hideki Hashimoto, "FT-IR Difference Spectrum of a 15-Cis Carotenoid Bound to the Reaction Centre from a Purple Photosynthetic Bacterium Rhodobacter sphaeroides", 15th International Symposium on Carotenoids, Hotel Moon Beach, Okinawa, Japan, June. 22-27, 2008.
  7. Ritsuko Fujii, Nobuyuki Wakatake, Shozo Shimonaka, Qi-Dai Chen, Mitsuru Sugisaki, Alastair T. Gardiner, Richard J. Cogdell, Hideki Hashimoto, "Femtosecond Time-Resolved Absorption Spectra of Photosynthetic Membranes from a Purple Bacterium Blastochloris (Rhodopseudomonas) viridis", 15th International Symposium on Carotenoids, Hotel Moon Beach, Okinawa, Japan, June. 22-27, 2008.
  8. Toshiyuki Kusumoto, Tomoaki Hashimoto, Ritsuko Fujii, Mitsuru Sugisaki, Hideki Hashimoto, "Femtosecond Time-Resolved Absorption Spectroscopy of a Polar Carotenoid Analogue, 2-(All-trans-Retinylidene) Indan-1, 3-Dione", 15th International Symposium on Carotenoids, Hotel Moon Beach, Okinawa, Japan, June. 22-27, 2008.
  9. Tomoko Horibe, Katsunori Nakagawa, Toshiyuki Kusumoto, Satoru Suzuki, Ritsuko Fujii, Alastair T. Gardiner, Richard J. Cogdell, Mamoru Nango, Hideki Hashimoto, "Electroabsorption Spectroscopy of Native and Reconstituted LH1 Complexes from Purple Photosynthetic Bacterium Rhodospirillum rubrum", 15th International Symposium on Carotenoids, Hotel Moon Beach, Okinawa, Japan, June. 22-27, 2008.
  10. Mitsuru Sugisaki, Masazumi Fujiwara, Ritsuko Fujii, Katsunori Nakagawa, Mamoru Nango, Richard J. Cogdell, Hideki Hashimoto, "Transient Grating Spectroscopy in Rhodobacter sphaeroides 2.4.1", 15th International Symposium on Carotenoids, Hotel Moon Beach, Okinawa, Japan, June. 22-27, 2008.
  11. Tsubasa Nakano, Naomi Fukui, Katsunori Nakagawa, Alastair T. Gardiner, Richard J. Cogdell, Ritsuko Fujii, Hideki Hashimoto, Mamoru Nango, "Reconstitution of Light-Harvesting 1 Complexes from the Purple Photosynthetic Bacterium Rhodospirillum rubrum with Separately Isolated Polypeptides (LH1-α and LH1-β), Bacteriochlorophyll a, and Carotenoid", 15th International Symposium on Carotenoids, Hotel Moon Beach, Okinawa, Japan, June. 22-27, 2008.
  12. Naomi Fukui, Ayumi Mizuno, Tsubasa Nakano, Katsunori Nakagawa, Alastair T. Gardiner, Richard J. Cogdell, Ritsuko Fujii, Hideki Hashimoto, Mamoru Nango, "Reconstitution of Antenna Light-Harvesting 1 Complexes from the Purple Photosynthetic Bacterium Rhodobacter sphaeroides with LH1-Polypeptides, Bacteriochlorophyll a, and Carotenoids: Carotenoid Specificity", 15th International Symposium on Carotenoids, Hotel Moon Beach, Okinawa, Japan, June. 22-27, 2008.
  13. Katsunori Nakagawa, Naomi Fukui, Tsubasa Nakano, Tomoko Horibe, Satoru Suzuki, Ritsuko Fujii, Alastair T. Gardiner, Richard J. Cogdell, Hideki Hashimoto and Mamoru Nango, "Probing the Effect of the Binding Site on the Electrostatic Behavior of A Series of Carotenoids Reconstituted into the Light-Harvesting 1 Complex from Purple Photosynthetic Bacterium Rhodospirillum", 15th International Symposium on Carotenoids, Hotel Moon Beach, Okinawa, Japan, June. 22-27, 2008.
  14. Toshiyuki Kusumoto, Tomoaki Hashimoto, Ritsuko Fujii, Mitsuru Sugisaki, and Hideki Hashimoto, "Femtosecond Time-Resolved Absorption Spectroscopy of a Polar Carotenoid Analogue, 2-(All-trans-Retinylidene) Indan-1, 3-Dione", The 15th International Conference on Luminescence and Optical Spectroscopy of Condensed Matter (ICL08), Lyon, France, July.7-11, 2008.
  15. Mitsuru Sugisaki, Masazumi Fujiwara, Ritsuko Fujii, Katsunori Nakagawa, Mamoru Nango, Richard J. Cogdell, and Hideki Hashimoto, "Transient Grating Spectroscopy in Photosynthetic Purple Bacteria Rhodobacter sphaeroides 2.4.1", The 15th International Conference on Luminescence and Optical Spectroscopy of Condensed Matter (ICL08), Lyon, France, July.7-11, 2008.

FY2007(2007.4-2008.3)

  1. Toshiyuki Kusumoto, Ritsuko Fujii, Hideki Hashimoto, "π-Conjugation Chain Length Dependence of the Dication State of Polar Carotenoid Analogues Measured by Nanosecond Time-Resolved Absorption Spectroscopy", 2nd International Workshop of Photosynthetic Antennae and Coherent Phenomena, Campus Port OSAKA, Osaka, Japan, Dec.14-16, 2007.
  2. Mitsuru Sugisaki, Masazumi Fujiwara, Ritsuko Fujii, Richard J. Cogdell, Hideki Hashimoto, "Coherent Spectroscopy of Photosynthetic Pigments", 2nd International Workshop of Photosynthetic Antennae and Coherent Phenomena, Campus Port OSAKA, Osaka, Japan, Dec.14-16, 2007.
  3. Katsunori Nakagawa, Satoru Suzuki, Ayumi Mizuno, Ritsuko Fujii, Alastair T. Gardiner, Richard J. Cogdell, Hideki Hashimoto, Mamoru Nango, "Reconstitution of Light-Harvesting 1 Complex of Photosynthetic Bacterium Rhodospirillum rubrum with the LH1 Subunit-Type Complex and Carotenoids and its Characterization", 2nd International Workshop of Photosynthetic Antennae and Coherent Phenomena, Campus Port OSAKA, Osaka, Japan, Dec.14-16, 2007.
  4. Mitsuru Sugisaki, Ritsuko Fujii, Richard J. Cogdell and Hideki Hashimoto, "Sub-20 fs Coherent Spectroscopy of Photosynthetic Pigments", 14th International Congress of Photosynthesis, Glasgow, UK, July. 22-27, 2007.
  5. Katsunori Nakagawa, Satoru Suzuki, Ritsuko Fujii, Alastair T. Gardiner, Richard J. Cogdell, Hideki Hashimoto and Mamoru Nango, "Probing the Carotenoid in its Binding Site in a Reconstituted LH1 Complex from the Photosynthetic Bacterium Rhodospirillum rubrum with Electroabsorption Spectroscopy", 14th International Congress of Photosynthesis, Glasgow, UK, July. 22-27, 2007.
  6. Mitsuru Sugisaki, Ritsuko Fujii, Richard J. Cogdell and Hideki Hashimoto, "Linear and Nonlinear Optical Responses in Bacteriochlorophyll a", 14th International Congress of Photosynthesis: Satellite Workshop on Photosynthetic Light-Harvesting Systems, Buchanan Arms Hotel, Drymen, UK, July. 18-19, 2007.
  7. Katsunori Nakagawa, Satoru Suzuki, Ritsuko Fujii, Alastair T. Gardiner, Richard J. Cogdell, Hideki Hashimoto and Mamoru Nango, "Reconstitution of Carotenoids into Light-Harvesting 1 Complex of Purple Bacterium Rhodospirillum rubrum and Analysis of Electrostatic Environment of Pigments in the Complexes", 14th International Congress of Photosynthesis: Satellite Workshop on Photosynthetic Light-Harvesting Systems, Buchanan Arms Hotel, Drymen, UK, July. 18-19, 2007.
  8. Mitsuru Sugisaki, Ritsuko Fujii, Richard J. Cogdell, and Hideki Hashimoto, "Linear and Nonlinear Optical Responses in Bacteriochlorophyll a", 14th International Congress of Photosynthesis: Satellite Workshop on Photosynthetic Light-Harvesting Systems, Buchanan Arms Hotel, Drymen, UK, July. 18-19, 2007.
  9. Ritsuko Fujii, Shozo Shimonaka, Naoko Uchida, Alastair T. Gardiner, Richard J. Cogdell, Mitsuru Sugisaki and Hideki Hashimoto, "Construction of Hybrid Photosynthetic Units using Peripheral and Core Antennae from Two Different Species of Photosynthetic Bacteria: Detection of the Energy Transfer from Bacteriochlorophyll a in LH2 to Bacteriochlorophyll b in LH1", 14th International Congress of Photosynthesis: Satellite Workshop on Photosynthetic Light-Harvesting Systems, Buchanan Arms Hotel, Drymen, UK, July. 18-19, 2007. poster.

FY2006(2006.4-2007.3)

  1. Mitsuru Sugisaki, Ritsuko Fujii, Alastair T. Gardiner, Richard J. Cogdell, and Hideki Hashimoto, "Very Early Photophysics of Carotenoids Probed by Sub-20 fs Degenerated Four-Wave Mixing (DFWM) Spectroscopy", International Symposium on the Ultrafast Processes in Chemical and Biological Complex Systems (UPCB’06), Dept. of Chemistry, Renmin University of China, Beijing, China, Nov. 16-19, 2006.
  2. R. Fujii, S. Shimonaka, N. Uchida, A. T. Gardiner, R. J. Cogdell, M. Sugisaki And H. Hashimoto, "Heterogeneous Two-Dimensional-Crystallization and Energy Transfer of the LH2 and LH1-RC Complexes from Different Species of Photosynthetic Bacteria: An Investigation by Means of Electron Microscopy and Near-Infrared Fluorescence Spectroscopy", 12th International Symposium of Phototrophic Prokaryotes, Pau, France, Aug. 27-Sep. 1, 2006. oral
  3. H. Hashimoto, K. Nakagawa, R. Fujii, S. Suzuki, E. Nishimura, A. T. Gardiner, R. J. Cogdell and M. Nango, "Electrostatic Field Around Pigments’ Binding-Site of the Reconstituted LH1 Complexes from Rhodospirillum Rubrum as Probed by Stark Spectroscopy", 12th International Symposium of Phototrophic Prokaryotes, Pau, France, Aug. 27-Sep. 1st, 2006. poster
  4. Isamu Kinoshita, Riichi Miyamoto, Ritsuko Fujii, Seiji Shimizu and Hideki Hashimoto, "Simplified Model of Quinone-Hydroquinone Conversion By Utilising Amphiphilic Copper Complex", The 16th International Conference on Photochemical Conversion and Storage of Solar Energy (IPS-16), Uppsala, Sweden, July 2-7, 2006.
  5. Hideki Hashimoto, Katsunori Nakagawa, Ritsuko Fujii, Satoru Suzuki, Emi Nishimura, Alastair T. Gardiner, Richard J. Cogdell and Mamoru Nango, "Simplified Model of Quinone-Hydroquinone Conversion By Utilising Amphiphilic Copper Complex", The 16th International Conference on Photochemical Conversion and Storage of Solar Energy (IPS-16), Uppsala, Sweden, July 2-7, 2006.
  6. Katsunori Nakagawa, Emi Nishimura, Ayumi Mizuno, Ritsuko Fujii, Kazuhiro Yanagi, Satoru Suzuki, Hideki Hashimoto and Mamoru Nango, "Probing the Carotenoid in its Binding Site in a Reconstituted Light-Harvesting Complex 1 from the Photosynthetic Bacterium", The Seventh International Symposium on Functional π-Electron Systems (Fπ7) , Osaka, May 15-20, 2006.
  7. Katsunori Nakagawa, Emi Nishimura, Ritsuko Fujii, Satoru Suzuki, Hideki Hashimoto and Mamoru Nango, "Reconstitution of Carotenoids into the Antenna Complex from Purple Bacterium Rhodospirillum rubrum and Its Characterization using Stark Spectroscopy", XXIst IUPAC Symposium on Photochemistry, Kyoto, Japan, Apr.2-7, 2006.
  8. Katsunori Nakagawa, Emi Nishimura, Ritsuko Fujii, Satoru Suzuki, Hideki Hashimoto and Mamoru Nango, "Reconstitution of Carotenoids and Zn-substituted Bacteriochlorophyll into Light-Harvesting Polypeptide Complexes from Photosynthetic Bacterium", XXIst IUPAC Symposium on Photochemistry, Kyoto, Japan, Apr.2-7, 2006.

FY2005(2005.4-2006.3)

  1. Katsunori Nakagawa, Emi Nishimura, Ritsuko Fujii, Satoru Suzuki, Richard J. Cogdell, Hideki Hashimoto and Mamoru Nango, "Reconstitution of Carotenoids into the Light-Harvesting 1 Complex from Photosynthetic Bacterium Rhodospirillum rubrum and its Characterization using Stark Spectroscopy", International Workshop on Photosynthetic Antennae and Coherent Phenomenam, Osaka, Dec. 6-8, 2005.
  2. Ryosuke Nakamura, Peng Wang, Ritsuko Fujii, Yasushi Koyama, Hideki Hashimoto and Yasuo Kanematsu, "Vibrational Relaxation Pathways in the Electronic Excited State of Carotenoid", 15th International Conference on Dynamical Processes in Exited States of Solids, Shanghai, China, Aug. 1-5, 2005.
  3. Yoshinori Kakitani, Ritsuko Fujii, Yasushi Koyama, Hiroyoshi Nagae, Lee Walker, Bruce Salter and Alexander Angerhofer, "Triplet-State Conformational Changes in 15-Cis-Spheroidene Bound to the Reaction Center from Rhodobacter sphaeroides 2.4.1 Determined by Time-Resolved EPR Spectroscopy", 14th International Symposium on Carotenoids, Edinburgh, Scotland, UK, July 17-22, 2005.
  4. Xiao-Feng Wang, Ritsuko Fujii, Seigo Ito, Yasushi Koyama, Yumiko Yamano, Masayoshi Ito, Takayuki Kitamura and Shozo Yanagida, "Triplet-State Conformational Changes in 15-Cis-Spheroidene Bound to the Reaction Center from Rhodobacter sphaeroides 2.4.1 Determined by Time-Resolved EPR Spectroscopy", 14th International Symposium on Carotenoids, Edinburgh, Scotland, UK, July 17-22, 2005.
  5. Ritsuko Fujii, Madoka Shimizu, Tomohiro Nishio, Toshiyuki Kusumoto, Harry A. Frank, Richard J. Cogdell and Hideki Hashimoto, "Triplet States of Carotenoids Having Shorter Conjugation Lengths Reconstituted into the Reaction Centre of Rhodobacter sphaeroides R26.1 Detected by Time-Resolved Absorption Spectroscopy", 14th International Symposium on Carotenoids, Edinburgh, Scotland, UK, July 17-22, 2005.
  6. Hideki Hashimoto, Ritsuko Fujii, Kazuhiro Yanagi, Alastair T. Gardiner, Aleksander W. Roszak, Neil W. Isaacs, Harry A. Frank and Richard J. Cogdell, "Structures and Functions of Carotenoids Bound to Reaction Centre from Purple Photosynthetic Bacteria", 14th International Symposium on Carotenoids, Edinburgh, Scotland, UK, July 17-22, 2005.
  7. Katsunori Nakagawa, Emi Nishimura, Ritsuko Fujii, Satoru Suzuki, Richard J. Cogdell, Hideki Hashimoto and Mamoru Nango, "The Optical Spectroscopy of Cis and Trans Polyenes: Models for Cis and Trans Carotenoids", 14th International Symposium on Carotenoids, Edinburgh, Scotland, UK, July 17-22, 2005.
  8. Katsunori Nakagawa, Ritsuko Fujii, Kazuhiro Yanagi, Satoru Suzuki, Alastair T. Gardiner, Richard J. Cogdell, Hideki Hashimoto, Mamoru Nango, "Probing the Carotenoid in its Binding Site in a Reconstituted Light-Harvesting Complex 1 from the Photosynthetic Bacterium Rhodospirillum rubrum with Electroabsorption Spectroscopy", 14th International Symposium on Carotenoids, Edinburgh, Scotland, UK, July 17-22, 2005.
  9. Ritsuko Fujii, Madoka Shimizu, Tomohiro Nishio, Toshiyuki Kusumoto, Harry A. Frank, Richard J. Cogdell and Hideki Hashimoto, "Triplet States of Carotenoids Having Shorter Conjugation Lengths Reconstituted into the Reaction Centre of Rhodobacter sphaeroides R-26.1 Detected by Time-Resolved Absorption Spectroscopy", 22nd Eastern Regional Photosynthesis Conference, Marine Biological Laboratory, Massachusetts, USA, Apr. 15-17, 2005. oral.

FY2004(2004.4-2005.3)

  1. Alexander Angerhofer, Lee Walker, Bruce Salter, Hiroyoshi Nagae, Yoshinori Kakitani, Ritsuko Fujii, Yasushi Koyama, "The Mechanism of Triplet-Energy Dissipation by 15-cis-Spheroidene Bound to the Reaction Center from Rhodobacter sphaeroides 2.4.1 As Determined by Time-Resolved EPR Spectroscopy as Low Temperatures", The annual meeting of the Japanese Society of Plant Physiologists (2005), Niigata, Japan, 2005.3.24-26. poster
  2. Lee Walker, Bruce Salter, Alexander Angerhofer, Hiroyoshi Nagae, Ritsuko Fujii, Yoshinori Kakitani and Yasushi Koyama, "Structural Changes in Triplet 15-Cis-Spheroidene Bound to the Reaction Center from Rhodobacter sphaeroides 2.4.1 Identified by Time-Resolved EPR Spectroscopy; A Hypothetical Mechanism of Triplet-Energy Dissipation", NEDO Workshop ‘Natural and Artificial Light-Harvesting Systems’, The University of Glasgow, Glasgow, UK, June 9, 2004.

FY2003(2003.4-2004.3)

  1. Ferdy S. Rondonuwu, Yasutaka Watanabe, Ritsuko Fujii, Yasushi Koyama, "A First Detection of 13Ag State and a New Pathway of Internal Conversion in Carotenoids", The 17th annual meeting of Japanese Carotenoid Society, Kamaishi, Iwate, Japan, 2003.9.4-5. oral
  2. Jun-Feng Xiang, Ritsuko Fujii, Yasushi Koyama, Ferdy S. Rondonuwu, Yasutaka Watanabe, Yumiko Yamano, Masayoshi Ito, "Dependence of Conjugation Chain Length of Carotenoic Acid Analogues on Photoinduced Electron Injection from their Excited Singlet States to TiO2 Colloids", The 17th annual meeting of Japanese Carotenoid Society, Kamaishi, Iwate, Japan, 2003.9.4-5. oral
  3. Xiao-Feng Wang, Ritsuko Fujii, Yasushi Koyama, Yumiko Yamano, Masayoshi Ito, Seigo Ito, Shozo Yanagida, "Building Solar Cells by the use of Carotenoic Acid-TiO2 Systems: Dependence on the Conjugation Length", The 17th annual meeting of Japanese Carotenoid Society, Kamaishi, Iwate, Japan, 2003.9.4-5. oral
  4. Ritsuko Fujii, Masahiro Kurahashi, Yoshihiro Hayakawa, Kayoko Saiki, Jiro Harada, Katsumi Matsuura, Keizo Shimada, Yasushi Koyama, "Structure of carotenoids bound to the photosynthetic pigment-protein complexes from a purple photosynthetic bacterium, Rubrivivax gelatinosus： Longer conjugation chains for reaction center, shorter conjugation chains for antennae", The 17th annual meeting of Japanese Carotenoid Society, Kamaishi, Iwate, Japan, 2003.9.4-5. oral
  5. Yasushi Koyama and Ritsuko Fujii, "The Reasons for the Natural Selection of the Carotenoid Configurations in the Antenna and the Reaction-Center Complexes: The Mechanisms of the Light-Harvesting and the Photo-Protective Functions", 11th International Symposium on Phototrophic Prokaryotes (ISPP 2003 Tokyo), Japan, Aug. 24-29, 2003.
  6. Ritsuko Fujii, Masahiro Kurahashi, Yoshihiro Hayakawa, Kayoko Saiki, Jiro Harada, Katsumi Matsuura, Keizo Shimada and Yasushi Koyama, "Natural Selection of Longer-Chain Carotenoids in the Reaction Center and Shorter-Chain Carotenoids in the LH2 Complexes from Rubrivivax gelatinosus", 11th International Symposium on Phototrophic Prokaryotes (ISPP 2003 Tokyo), Japan, Aug. 24-29, 2003.
  7. Yasushi Koyama and Ritsuko Fujii, "Natural Selection of the Carotenoid Configurations in the Antenna and Reaction-Center Complexes and Possible Mechanisms of Light-Harvesting and Photo-Protective Functions", International Workshop on Green and Heliobacteria (IWGHB2003), Kazusa Academic Hall, Kisarazu, Japan, Aug. 22-24, 2003.

FY2002(2002.4-2003.3)

  1. Ferdy S. Rondonuwu, Ritsuko Fujii, Yasutaka Watanabe and Yasushi Koyama, "The New Pathway of Internal Conversion in Carotenoids", The annual meeting of the Japanese Society of Plant Physiologists (2003), Kindai University, Osaka, Japan, 2003.3.27-29. poster

FY2001(2001.4-2002.3)

  1. Ferdy S. Rondonuwu, Jian-Ping Zhang, Takayuki Shimizu, Kentaro Furuichi, Ritsuko Fujii, Yasushi Koyama, Yasutaka Watanabe, "The Involvement of 1Bu- State in Car-to-BChl Singlet Energy Transfer", The annual meeting of the Japanese Society of Plant Physiologists (2002), Okayama University, Okayama, Japan, 2002.3.28-30. poster
  2. Ferdy S. Rondonuwu, Takayuki Shimizu, Ritsuko Fujii, Jian-Ping Zhang, Yasushi Koyama and Yasutaka Watanabe, "Partition in the Car-to-BChl Singlet-Energy Transfer in the LH2 Complexes from Rb. sphaeroides G1C, Rb. sphaeroides 2.4.1 and Rs. molischianum", 13th International Symposium on Carotenoid, Renaissance Ilikai Hotel, Honolulu, USA, Jan. 6-11, 2002. poster
  3. Yasutaka Watanabe, Tokio Taguchi, Yosuke Takenaka, Ritsuko Fujii, Toru Inaba and Yasushi Koyama, "The T1 (31Bu+)-State Energies of Neurosporene, Spheroidene and Lycopene Bound to the LH2 Complexes as Determined by High-Sensitivity Emission Spectroscopy", 13th International Symposium on Carotenoid, Renaissance Ilikai Hotel, Honolulu, USA, Jan. 6-11, 2002. oral
  4. Yumiko Mukai-Kuroda, Ritsuko Fujii, Naomi Ko-chi, Tokutake Sashima, Yasushi Koyama, Motoko Abe, Ronald Gebhard, Ineke van der Hoef and Johan Lugtenburg, "Changes in Molecular Structure upon Triplet Excitation of All-Trans-Spheroidene in n-Hexane Solution and 15-Cis-Spheroidene Bound to the Photo-Reaction Center from Rhodobacter sphaeroides as Revealed by Resonance-Raman Spectroscopy and Normal-Coordinate Analysis", 13th International Symposium on Carotenoid, Renaissance Ilikai Hotel, Honolulu, USA, Jan. 6-11, 2002.
  5. Yasushi Koyama, Jian-Ping Zhang, Toru Inaba, Kentaro Furuichi and Ritsuko Fujii, "The Roles of the Newly-Found Singlet States in the Carotenoid-to-Bacteriochlorophyll Singlet-Energy Transfer Reaction", Physical Aspects of Photobiological Process: Photobiology and Energy Conversion (ICBP Satellite Meeting), Nagoya Univ., Nagoya, July 27-28 2001.
  6. Yumiko Kuroda, Ritsuko Fujii, Naomi Ko-chi and Yasushi Koyama, "The Electronic and Molecular Structure of 15-cis Spheroidene Bound to the Photoreaction Center of Rhodobacter Sphaeroides and a Possible Mechanism of Triplet-Energy Dissipation", The 10th International Conference on Time-resolved Vibrational Spectroscopy (TRVS2001), Okazaki, Japan, May 21-25, 2001.
  7. Yasushi Koyama, Jian-Ping Zhang, Toru Inaba and Ritsuko Fujii, "The Roles of the Newly-Found 1Bu- State in the Internal Conversion in Carotenoids and in the Carotenoid-to-Bacteriochlorophyll Singlet-Energy Transfer in Antenna Complexes", Light-induced dynamics in proteins, Freising, Germany, Apr. 2-６, 2001.

FY2000(2000.4-2001.3)

FY1999-1994

  1. Jian-Ping Zhang, Pu Qian, Ritsuko Fujii, Toru Inaba, Yasushi Koyama, Kengo Onaka, Yasutaka Watanabe, Hiroyoshi Nagae, "The Mechanism of Carotenoid S1-State Mediated Carotenoid-to-Bacteriochlorophyll Energy Transfer in the LH2 Complexes from Purple Bacteria", The 13th annual meeting of Japanese Carotenoid Society, Kwansei Gakuin University, Hyogo, Japan, 1999.9.24-25. oral
  2. Yasutaka Watanabe, Ritsuko Fujii, Kengo Onaka, Yasushi Koyama, "The 2Ag Energies of All-trans-β-Carotene as Determined by Fluorescence Spectroscopy", 12th International Carotenoid Symposium, Cairns Convention Centre, Cairns, Australia, Aug. 19-23, 1999. oral
  3. Y. Koyama, J-P. Zhang, P. Qian, L. Limantara, T. Inaba, R. Fujii, Y. Watanabe, H. Nagae, "Shifts and Intensity Changes of the Carotenoid 1Bu+ ← Ag- Absorption Detect Localized Excitation on the B850a and B850b Bacteriochlorophylls in the LH2 Antenna Complexes from Rhodospirillum molischianum, Rhodopseudomonas acidophila and Rhodobacter sphaeroides 2. 4. 1 and G1C", 12th International Carotenoid Symposium, Cairns Convention Centre, Cairns, Australia, Aug. 19-23, 1999. poster
  4. Ritsuko Fujii, Hideki Hashimoto and Yasushi Koyama, "Cis-Trans Isomerization of Spheroidene in the Triplet State as Revealed by Sub-μs Time-Resolved Absorption Spectroscopy", 12th International Carotenoid Symposium, Cairns Convention Centre, Cairns, Australia, Aug. 19-23, 1999. poster
  5. L. Limantara, R. Fujii, J.-P. Zhang, T. Kakuno, H. Hara, A. Kawamori, T. Yagura, R.J. Cogdell, Y. Koyama, "Generation of Triplet and Cation-Radical Bacteriochlorophyll a in Carotenoidless LH1 and LH2 Complexes from R. Sphaeroides.", 11th International Congress on Photosynthesis, Budapest University of Economics, Budapest, Hungary, Aug. 17-22, 1998. poster
  6. Leenawaty Limantara, Jian-Ping Zhang, Ritsuko Fujii, Tomisaburo Kakuno, Hideyuki Hara, Asako Kawamori, Tatsuo Yagura, Richard J. Cogdell and Yasushi Koyama, "Generation of Triplet and Cation-Radical Bacteriochlorophyll a in Carotenoidless LH1 and LH2 Antenna Complexes from Rhodobacter Sphaeroides.", International Workshop on Light-Harvesting Systems, Tata, Hungary, Aug. 14-16, 1998. poster
  7. Yasutaka Watanabe, Kenji Takii, Ritsuko Fujii and Yasushi Koyama, "Low-Lying Singlet States of Synthetic all-trans-β-carotene as Revealed by Fluorescence and Fluorescence-Excitation Spectroscopy at 160K", 11th International Symposium on Carotenoids, Leiden University, The Netherlands, Aug. 18-23, 1996. oral
  8. Ritsuko Fujii, Hideki Hashimoto and Yasushi Koyama, "Spectral Evidence for the cis to trans Isomerization of Spheroidene in the Triplet State as Revealed by Time-Resolved Absorption Spectroscopy", 11th International Symposium on Carotenoids, Leiden University, The Netherlands, Aug. 18-23, 1996. poster

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