Presentations

English Presentations (Last update 2024.12.05)＞＞2023  2022  2021  2020  2019  2018  2017  2016  2015  2014  2013  2012 and before

FY2024(2024.4-2025.3)>>>>>>>>>>>>Back to Top

Invited Talks

  1. *Ritsuko Fujii, Soichiro Seki, “Blue-green light utilization strategy of the siphonaxanthin-type photosynthetic antenna in a marine green alga, Codium fragile”, IPS-24/ICARP2024 (24th International Conference on Photochemical Conversion and Storage of Solar Energy International Conference on Artificial Photosynthesis-2024), Hiroshima, Japan, 20240729-0802, 4E-10-IL. (Invited lecture)

Presentations

  1. Soichiro Seki, Koichi Kobayashi, Ritsuko Fujii, “Photosynthetic capacity and pigment distribution of a siphonous green alga, Dichotomosiphon tuberosus”, 2nd Asia-Oceania International Congress on Photosynthesis (AOICP2024), Kobe, Japan,  20240918-21, poster [P1-43].
  2. Okviyoandra Akhyar, Soichiro Seki, Kazuhiro Yoshida, Chiyo Takagi, Yasuhiro Kamei, Ritsuko Fujii, “Light-induced growth dynamics of yellow marine Chlamydomonas”, <2nd Asia-Oceania International Congress on Photosynthesis (AOICP2024), Kobe, Japan, 20240918-21, poster [P1-40].
  3. Soichiro Seki, Naoko Norioka, Hideaki Tanaka, Tomoko Miyata, Keiichi Namba, Genji Kurisu, Ritsuko Fujii, “Structural validation of recombinant LHCII using cryo-EM”, 2nd Asia-Oceania International Congress on Photosynthesis (AOICP2024), Kobe, Japan,  20240918-21, poster [P1-37].
  4. Masahiro Tsuji, Misaki Hioki, Jagraj Thandi, Zoltán Molnár, Tokiko Nagamura, Ritsuko Fujii,  “Neurotransmitter levels in a rat model of fetal growth restriction and their possible modulations by a cell therapy”, Evolution and Development of Nervous Systems, ZADAR, Croatia, 20240909-12, poster.
  5. Okviyoandra Akhyar, Soichiro Seki, Kazuhiro Yoshida, Chiyo Takagi, Yasuhiro Kamei, Ritsuko Fujii, “Light factor-dependent Growth of Yellow Chlamydomonas”, 第31回光合成セミナー2024, 龍谷大学、深草, 京都, 20240629-30, 口頭.

  6. Kazuhiro Yoshida, Soichiro Seki, Yumiko Yamano, Tetsuichi Wazawa, Takeharu Nagai, Ritsuko Fujii, “Fluorescence spectra of a photosynthetic carbonyl carotenoid, siphonaxanthin: Dual fluorescence observed only at ambient temperature in polar solvents”, IUPAB2024 (21st IUPAB and 62nd BSJ joint congress 2024), Kyoto International Conference Center, Kyoto, 20240624-28, poster (28P-154).

  7. Okviyoandra Akhyar, Soichiro Seki, Kazuhiro Yoshida, Chiyo Takagi, Yasuhiro Kamei, Ritsuko Fujii, “Light factor-dependent Growth of Yellow Chlamydomonas”, IUPAB2024 (21st IUPAB and 62nd BSJ joint congress 2024), Kyoto International Conference Center, Kyoto, 20240624-28, poster (27P-172). （ポスター賞受賞 Students and Early Career Researcher Poster Award）
  8. Soichiro Seki, Tetsuko Nakaniwa, Pablo Castro-Hartmann, Kasim Sader, Akihiro Kawamoto, Hideaki Tanaka, Pu Qian, Genji Kurisu, Ritsuko Fujii, “Cryo-EM structure of marine green algal LHCII utilizing blue-green light”, IUPAB2024 (21st IUPAB and 62nd BSJ joint congress 2024), Kyoto International Conference Center, Kyoto, 20240624-28, poster (28P-155).
FY2023(2023.4-2024.3)>>>>>>>>>>>>Back to Top

Invited Talks

    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 Binational Photosynthesis Workshop, Old Main, Arizona State University, Tempe, USA, 20231106-08. （Invited lecture）

Presentations

  1. Okviyoandra Akhyar, Soichiro Seki, Kazuhiro Yoshida, Chiyo Takagi, Yasuhiro Kamei, Ritsuko Fujii, “A light factor-dependent/inhibition growth of yellow Chlamydomonas”, The 65th Annual Meeting of Japan Biophysical Society, Kobe, Japan, 20240317-19, poster (1P02).
  2. 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)
  3. Soichiro Seki, Yumiko Yamano, Naohiro Oka, Yasuhiro Kamei, Ritsuko Fujii*, “Blue-green light inhibits the biosynthesis of a unique photosynthetic carotenoid in the marine macrogreen alga, Codium fragile”, 20230725-27, The EMBO | COB Workshop 'Trans-Scale Biology' using exotic non-model organisms, Okazaki Conference Center, Okazaki, Japan, poster (P29)
  4. Kazuhiro Yoshida, Soichiro Seki, Yumiko Yamano, Ritsuko Fujii*, “Analysis of ICT state with fluorescence at low-temperature”, 20230709-14, The 19th International Symposium on Carotenoids (ISC2023 Toyama), Toyama, Japan, poster (P4-17)
  5. Soichiro Seki, Yumiko Yamano, Naohiro Oka, Yasuhiro Kamei, Ritsuko Fujii*, “Blue-to-green Light Regurates Siphonaxanthin Biosynthesis: Discovery of Deoxysiphonaxanthin in an Edible Macrogreen Alga, Codium fragile”, 20230709-14, The 19th International Symposium on Carotenoids (ISC2023 Toyama), Toyama, Japan, poster (P1-8)
  6. 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”, 20230709-14, The 19th International Symposium on Carotenoids (ISC2023 Toyama), Toyama, Japan, oral (4O-3) (Travel Award)
  7. 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”, 20230609-11, 18th International Workshop on Supramolecular Nanoscience of Chemically Programmed Pigments (SNCPP23), Shiga, Japan, poster (P-42)
FY2022(2022.4-2023.3)>>>>>>>>>>>>Back to Top

Presentations

  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. 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 Japan, Hakodate, 20220928-30. 1Pos228
  3. 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)
  4. Yu Kita, Msanobu 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.
  5. Yu Kita, Msanobu 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
  6. Soichiro Seki, Kazuhiro Yoshida, Yumiko Yamano, Ritsuko Fujii, “Effect of 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.
FY2021(2021.4-2022.3)>>>>>>>>>>>>Back to Top

Presentations

  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 Biophysical Society Japan, on-line (Gunma), 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 Vertual International Conference on Carotenoid (VICC 2021), on-line (USA), 20210622-25. oral. Outstanding Presentation Award (6/34)
FY2020(2020.4-2021.3)>>>>>>>>>>>>Back to Top

Presentations (no presentations in English because of COVID-19)

FY2019(2019.4-2020.3)>>>>>>>>>>>>Back to Top

Invited Talks

  1. Ritsuko Fujii, “Function of antenna pigments in photosynthesis”, Seminar in Chemistry Department, Renmin University China, Renmin University of Chima, Beijing, P.R. China, 20191012. （Invited lecture）
  2. Ritsuko Fujii, “Function of antenna pigments in photosynthesis”, MRCPP seminar, MaChung Research Center for Photosynthetic Pigments, MaChung University, Malan, Indonesia, 20190712. （Invited lecture）

Presentations

  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 Annual Meeting of Chemical Society Japan (2020), Tokyo University of Science, 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 Presentation Awards for Students (7/161)
FY2018(2018.4-2019.3)>>>>>>>>>>>>Back to Top

Invited Talk

  1. 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. （Invited lecture）
  2. Ritsuko Fujii, “Photosynthetic function of transcryptomic lettuce dominantly accumulating astaxanthin”, Diversity Research Environment Realization Initiative, 1st Research Presentation Exchange Meeting "Plant Color and Diet", Osaka City University, 20181002. （Invited lecture）

Presentations

  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. ポスター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. 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 alters 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)>>>>>>>>>>>>Back to Top

Invited Talk

  1. 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. （Invited lecture）

Presentation

  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. 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
  4. 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)>>>>>>>>>>>>Back to Top

Invited Talk

  1. 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. （Invited lecture）

Presentations

  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”, 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
  4. 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)>>>>>>>>>>>>Back to Top

Presentations

  1. 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
  2. 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)>>>>>>>>>>>>Back to Top

Prsentations

  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 Cnonvention 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, Utha, 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, Utha, 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, Utha, June 29-July 4, 2014 (Invited talk).
FY2013(2013.4-2014.3)>>>>>>>>>>>>Back to Top

Presentations

  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, “Mesuring the Raman spectra of siphonaous 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.

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

FY2012(2012.4-2013.3)>>>>>>>>>>>>Back to Top

Invited Talks

  1. 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.（Invited lecture）

Presentations

  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 photosynthtic 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”, Eigth International Workshop on Supramolecular Nanoscience of Chemically Programmed Pigments (SNCPP12), Kusatsu, Shiga, Japan, June.22-24, 2012.
FY2011(2011.4-2012.3)>>>>>>>>>>>>Back to Top

Presentations

  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 Leadig to a Sustainable Society: Environment, Energy, Functional Materials, Keio University, Hiyoshi Campus, Yokohama, Japan, Mar. 26-27, 2012.

FY2010(2010.4-2011.3)>>>>>>>>>>>>Back to Top

Invited Talk

  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.（招待講演 Invited lecture）

Presentations

  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 carotenoido 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)>>>>>>>>>>>>Back to Top

Presentations

  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)>>>>>>>>>>>>Back to Top

Invited Talk

  1. 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. （Invited lecture）

Presentations

  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 Monestary, 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 Monestary, 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 Carotenoid Research, Hotel Moon Beach, Okinawa, 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)>>>>>>>>>>>>Back to Top

Presentations

  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)>>>>>>>>>>>>Back to Top

Presentations

  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. 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.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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)>>>>>>>>>>>>Back to Top

Invited Talk

  1. 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.（Invited lecture）

Presentations

  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)>>>>>>>>>>>>Back to Top

Presentations

  1. 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)>>>>>>>>>>>>Back to Top

Presentations

  1. Junfeng 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 Research Society, Kamaishi, Japan, 20030904-05.
  2. Xiaofeng 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 Research Society, Kamaishi, Japan, 20030904-05.
  3. 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.
  4. 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.
  5. 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)>>>>>>>>>>>>Back to Top

Presentations

  1. Ferdy S. Rondonuwu, Ritsuko Fujii, Yasutaka Watanabe and Yasushi Koyama, 「The New Pathway of Internal Conversion in Carotenoids」, The Annual Meeting of Japanese Plant and Cell Physiology 2003, Kinki University, Osaka, 20030327-29.
FY2001(2001.4-2002.3)>>>>>>>>>>>>Back to Top

Invited Talk

  1. Ritsuko Fujii, "Carotenoid Photo-Protection Function in Bacterial Reaction Center", Institute of Chemistry, Chinese Academy of Science, Beijing, P. R. China, Sep. 21, 2001.（Invited lecture）

Presentations

  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 Japanese Plant and Cell Physiology 2002, Okayama University, Okayama, Japan, 20020328-30.
  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.
  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.
  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)>>>>>>>>>>>>Back to Top

No English Presentations

FY1999-1994>>>>>>>>>>>>Back to Top

Presentations

  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, Nishinomiya, Japan, 19990924-25.
  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.
  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.
  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.
  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.
  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.
  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.
  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.

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