Yutaka Amao

Summary

Affiliation: Oita University
Country: Japan

Publications

  1. ncbi Photovoltaic conversion using Zn chlorophyll derivative assembled in hydrophobic domain onto nanocrystalline TiO2 electrode
    Yutaka Amao
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870 1192, Japan
    Biosens Bioelectron 22:1561-5. 2007
  2. ncbi Near-IR light-sensitized voltaic conversion system using nanocrystalline TiO2 film by Zn chlorophyll derivative aggregate
    Yutaka Amao
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870 1192, Japan
    Langmuir 21:3008-12. 2005
  3. ncbi Photoinduced biohydrogen production from biomass
    Yutaka Amao
    Department of Applied Chemistry, Oita University Dannoharu 700, Oita 870 1192, Japan E Mail Tel 81 97 554 7972
    Int J Mol Sci 9:1156-72. 2008
  4. ncbi Bio-photovoltaic conversion device using chlorine-e6 derived from chlorophyll from Spirulina adsorbed on a nanocrystalline TiO2 film electrode
    Yutaka Amao
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870 1192, Japan
    Biosens Bioelectron 19:843-7. 2004
  5. ncbi Biohydrogen production from sucrose using the visible light sensitization of artificial Zn chlorophyll-a
    Yumi Takeuchi
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870-1192, Japan
    Bioconjug Chem 14:268-72. 2003
  6. ncbi Bio-mimetic hydrogen production from polysaccharide using the visible light sensitization of zinc porphyrin
    Yoshinobu Saiki
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870-1192, Japan
    Biotechnol Bioeng 82:710-4. 2003
  7. ncbi Visible and near-IR light induced biohydrogen production using the system containing Mg chlorophyll-a from Spirulina and colloidal platinum
    Yumiko Tomonou
    Department of Applied Chemistry, Oita University Dannoharu 700, Oita 870-1192, Japan
    Biometals 16:419-24. 2003
  8. ncbi Light-harvesting properties of zinc complex of chlorophyll-a from spirulina in surfactant micellar media
    Yumi Takeuchi
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870-1192, Japan
    Biometals 18:15-21. 2005
  9. ncbi Artificial leaf device for solar fuel production
    Yutaka Amao
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita, 870 1192, Japan
    Faraday Discuss 155:289-96; discussion 297-308. 2012
  10. ncbi Visible light induced hydrogen production with Mg chlorophyll-a from spirulina and colloidal platinum
    Yumiko Tomonou
    Department of Applied Chemistry, Oita University Dannoharu 700, Japan
    Biometals 15:391-5. 2002

Collaborators

  • Yumi Takeuchi
  • Yumiko Tomonou
  • Yoshinobu Saiki
  • Rika Hitotsumatsu
  • Rie Miyatani

Detail Information

Publications13

  1. ncbi Photovoltaic conversion using Zn chlorophyll derivative assembled in hydrophobic domain onto nanocrystalline TiO2 electrode
    Yutaka Amao
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870 1192, Japan
    Biosens Bioelectron 22:1561-5. 2007
    ..By using ZnChl-e6-Cho/TiO2, the short-circuit photocurrent density and open-circuit photovoltage also increase compared with that of ZnChl-e6 adsorbed nanocrystalline TiO2 electrode...
  2. ncbi Near-IR light-sensitized voltaic conversion system using nanocrystalline TiO2 film by Zn chlorophyll derivative aggregate
    Yutaka Amao
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870 1192, Japan
    Langmuir 21:3008-12. 2005
    ..7 microW cm(-2), and the fill factor (FF) was estimated to be 40.1%. A near-IR light induced photovoltaic conversion system using a ZnChl-e6 aggregate formed onto a nanocrystalline TiO2 film electrode was achieved...
  3. ncbi Photoinduced biohydrogen production from biomass
    Yutaka Amao
    Department of Applied Chemistry, Oita University Dannoharu 700, Oita 870 1192, Japan E Mail Tel 81 97 554 7972
    Int J Mol Sci 9:1156-72. 2008
    ....
  4. ncbi Bio-photovoltaic conversion device using chlorine-e6 derived from chlorophyll from Spirulina adsorbed on a nanocrystalline TiO2 film electrode
    Yutaka Amao
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870 1192, Japan
    Biosens Bioelectron 19:843-7. 2004
    ..40% at 400 nm; 1.44% at 514 nm and 2.91% at 670 nm), indicating that the DSSC using visible light sensitisation of nanocrystalline TiO2 film by Chl-e6 was developed...
  5. ncbi Biohydrogen production from sucrose using the visible light sensitization of artificial Zn chlorophyll-a
    Yumi Takeuchi
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870-1192, Japan
    Bioconjug Chem 14:268-72. 2003
    ..Zn Chl-a was superior to that of Mg Chl-a in photostability and photosensitization activity...
  6. ncbi Bio-mimetic hydrogen production from polysaccharide using the visible light sensitization of zinc porphyrin
    Yoshinobu Saiki
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870-1192, Japan
    Biotechnol Bioeng 82:710-4. 2003
    ..After 240-min irradiation, the amount of hydrogen production in the system using sucrose and maltose was estimated to be 3.1 and 0.35 micromol, respectively...
  7. ncbi Visible and near-IR light induced biohydrogen production using the system containing Mg chlorophyll-a from Spirulina and colloidal platinum
    Yumiko Tomonou
    Department of Applied Chemistry, Oita University Dannoharu 700, Oita 870-1192, Japan
    Biometals 16:419-24. 2003
    ..When the near-IR light was irradiated, little change of hydrogen production was observed. Thus, the effective visible and near IR light induced hydrogen production system with colloidal platinum was established using Mg chlorophyll-a...
  8. ncbi Light-harvesting properties of zinc complex of chlorophyll-a from spirulina in surfactant micellar media
    Yumi Takeuchi
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870-1192, Japan
    Biometals 18:15-21. 2005
    ..0 ns in CTAB micellar solution. The fluorescence lifetime of Zn chlorophyll-a is shorter than that of Mg chlorophyll-a (9.8 ns). The photositability of Zn chlorophyll-a was superior to that of Mg chlorophyll-a in various pH conditions...
  9. ncbi Artificial leaf device for solar fuel production
    Yutaka Amao
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita, 870 1192, Japan
    Faraday Discuss 155:289-96; discussion 297-308. 2012
    ..When the CO2-saturated sample solution containing NADPH (the electron donor) was flowed onto the Chl-V-FDH device under visible light irradiation, the formic acid concentration increased with increasing irradiation time...
  10. ncbi Visible light induced hydrogen production with Mg chlorophyll-a from spirulina and colloidal platinum
    Yumiko Tomonou
    Department of Applied Chemistry, Oita University Dannoharu 700, Japan
    Biometals 15:391-5. 2002
    ..By the addition of NADPH, the photostability of Mg chlorophyll-a was increased. The effective visible-light induced hydrogen production system with colloidal platinum was established using Mg chlorophyll-a...
  11. ncbi Photoreduction behavior of cytochrome c by zinc porphyrin in lipid media
    Rika Hitotsumatsu
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870-1192, Japan
    J Photochem Photobiol B 79:89-92. 2005
    ..0, 0.73, 0.80 and 0.67 micromol dm-3 min-1, respectively. The cyt c (III) photoreduction rate slightly increased by the addition of CL...
  12. ncbi Lactic acid production with lactate dehydrogenase using the visible light sensitization of zinc porphyrin
    Rie Miyatani
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870-1192, Japan
    Photochem Photobiol Sci 3:681-3. 2004
    ..After 240 min irradiation, the amount of lactic acid production and the yield of pyruvic acid to lactic acid were estimated to be 0.17 mmol dm(-3) and 17.0%, respectively...
  13. ncbi Visible light induced biohydrogen production from sucrose using the photosensitization of Mg chlorophyll-a
    Yoshinobu Saiki
    Department of Applied Chemistry, Oita University, Dannoharu 700, Oita 870-1192, Japan
    Bioconjug Chem 13:898-901. 2002
    ....