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A trial construction of a new instrument for a high sensitive determination on liquid surface.

Research Project

Project/Area Number 08555211
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section展開研究
Research Field 工業分析化学
Research InstitutionKYUSHU UNIVERSITY

Principal Investigator

OGAWA Teiichiro  Grad.School of Engineering Science, Kyushu University Professor, 大学院・総合理工学研究科, 教授 (50028156)

Co-Investigator(Kenkyū-buntansha) NAKAMURA Kenji  Tsukuba Research Center, Shimadzu Corporation Research Director, つくば技術センター, 部長
INOUE Takanori  Grad.School of Engineering Sciences, Kyushu University Research associate, 大学院・総合理工学研究科, 助手 (40243969)
Project Period (FY) 1996 – 1997
Project Status Completed (Fiscal Year 1997)
Budget Amount *help
¥10,500,000 (Direct Cost: ¥10,500,000)
Fiscal Year 1997: ¥2,100,000 (Direct Cost: ¥2,100,000)
Fiscal Year 1996: ¥8,400,000 (Direct Cost: ¥8,400,000)
Keywordslaser / photoionization / fluorescence / surface / high sensitive determination / solution / aromatic compounds / confocal microscope / surface concentration / 水溶液表面 / レーザー蛍光 / レーザー2光子イオン化 / 顕微鏡 / 分子のマッピング
Research Abstract

(1) Purpose Based on the laser two-photon ionization technique, a new instrument should be constructed for high sensitive determination on liquid surface of a few nanometer thickness. Application to various projects should also be carried out.
(2) Results
(1) Design and construction. /// A new instrument was design and constructed with a purchase of a monochromator, a piezo controller and various optical parts. The instrument was aimed to improve sensitivity and spatial resolution compared to the previous one.
(2) Evaluation of the constructed instrument. /// The two-photon ionization signals of pyrene derivatives were measured using the new instrument by varying the surface pressure and pH of the solution. The value of pKa of these compounds were determined and found to be different in solution and on surface. The analytical curves of several compounds on water surface were also determined.
(3) Application to high sensitive determination in a very small region. /// We have tried to determine several aromatic molecules on surface of water and glass sensitively using a micro electrode to measure the signal currents. The detection limit of anthracene was 12 fmol.
(4) Application of a pico-second laser. /// In order to determine effects of the laser pulse width, we tried to use a pico-second NdYAG laser for an excitation source. We have found that the sensitivity increased when the 1064 nm beam was overlapped with the 355 nm beam.
(5) Evaluation of the laser-induced fluorescence technique. /// We have also constructed a new instrument based on the confocal fluorescence microscope. The fluorescence spectrum and molecular distribution of porphyn compounds have been determined to indicated the new instrument is surface specific.

Report

(3 results)
  • 1997 Annual Research Report   Final Research Report Summary
  • 1996 Annual Research Report
  • Research Products

    (28 results)

All Other

All Publications (28 results)

  • [Publications] Teiichiro Ogawa: "Highly sensitive detections of aromatic molecules in droplets by the surface laser two-photon ionization" Analytical Sciences. 12. 455-458 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 34. 501-506 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Yao Qun LI: "Laser photoionization for highly sensitive detection of anthracene at the oil-water surface." Analytical Sciences. 12. 691-693 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Joon Myong Song: "Electron attenuation length in rhodamine B-arachidic acid LB film by laser two-photon ionization" Langmuir. 12. 6518-6520 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Keiji Nakashima: "Two-color two-photon ionization spectrum of purene in n-hexane" Laser Chemistry. 17. 19-28 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Hirofumi Kawazumi: "Monitoring of dissolving processes of amphipathic molecules from aqueous surface by laser two-photon" Analytical Sciences. 13. 49-52 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Yao qun Li: "CCD-based confocal laser-microscopy system for spectroscopic investigation and direct imaging." Analytical Sciences. 13. 81-84 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Yao Qun Li: "Hydrophobicity of water at the surface as studied by laser-induced fluorescence microscopy" Laser Chemistry. 18(in press). (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Teiichiro Ogawa, Shinichiro Sumi, Takanori Inoue: "Highly sensitive detections of aromatic molecules in droplets by the surface laser two-photon ionization." Anal.Sci.12-3. 455-458 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Ogawa: "Water surface as studied by laser spectroscopy." Surface. 34-9. 501-506 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Yao Qun Li, Takanori Inoue, Teiichiro Ogawa: "Laser photoionization for highly sensitive detection of anthracene at the oil-water interface." Anal.Sci.12-5. 691-693 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Joon Myong Song, Takanori Inoue, Teiichiro Ogawa: "Electron attenuation length in rhodamine B-arachidic acid Langmuir-Blodgett film by laser two-photon ionization." Langmuir. 12-26. 6518-6520 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Keiji Nakashima, Hirofumi Soga, Teiichiro Ogawa: "Two-color two-photon ionization spectrum of pyrene in n-hexane." Laser Chemistry. 17-1. 19-28 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Y.Q.Li, S.Sasaki, T.Inoue, T.Ogawa: "CCD-based confocal laser-microscope system for spectroscopic investigation and direct imaging." Anal.Sci.13-sup. 81-84 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Hirofumi Kawazumi, Takeshi Kaieda, Kohshin Ohmukai, Miki Sato, Takanori Inoue, Teiichiro Ogawa: "Monitoring of dissolving processes of amphipathic molecules from aqueous surfacee by laser-induced two-photon ionization." Anal.Sci.13-sup. 49-52 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Y.Q.Li, S.Sasaki, T.Inoue, T.Ogawa: "Hydrophobicity of water at the surface as studied by laser-induceed fluorescence microscopy." Laser Chemistry. in press. (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Ogawa,S.Sumi,T.Inoue: "Highly sensitive detections of aromatic molecules in droplets by the surface two photon ionization" Analytical Science. 12巻3号. 455-458 (1996)

    • Related Report
      1997 Annual Research Report
  • [Publications] 小川禎一郎: "レーザーで見る表面" 表面. 34巻9号. 501-506 (1996)

    • Related Report
      1997 Annual Research Report
  • [Publications] Y.Q.Li,T.Inoue,T.Ogawa: "Laser photoionization for highly sensitive detection of anthracene at the oil-water interface" Analytical Science. 12巻5号. 691-693 (1996)

    • Related Report
      1997 Annual Research Report
  • [Publications] J.M.Song,T.Inoue,T.Ogawa: "Electron attenuation length in rhodamine B-arachidic acid Langmuir-Blodgett film by laser two-photon ionization" Langmuir. 12巻26号. 6518-6520 (1996)

    • Related Report
      1997 Annual Research Report
  • [Publications] K.Nakashima,H.Soga T.Ogawa: "Two-color two-photon ionization spectrum of pyrene in n-hexane" Laser Chemistry. 17巻1号. 19-28 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Y.Q.Li,S.Sasaki,T.Inoue,T.Ogawa: "CCD-based confocal laser-microscope system for spectroscopic investigation and direct imaging" Analytical Science. 13巻補号. 81-84 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] T.Ogawa,S.Sumi,T.Inoue: "Highly sensitive detections of aromatic molecules in droplets by the surface laser two-photon ionization." Analytical Sciences. 12,3. 455-458 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] T.Inoue,M.Moriguchi,T.Ogawa: "Determination of oxacyanine dyes and rhodamine by SHG technique using a femto-second laser." Analytica Chimica Acta. 330,1. 117-121 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Y.Q.Li,T.Inoue,T.Ogawa: "Laser photoionization for highly sensitive detection of anthracene at the oil-water interface." Analytical Sciences. 12,5. 691-693 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] J.M.Song,T.Inoue,T.Ogawa: "Electronicntenuation length in rhodamine B-arachidic acid LB film by laser two-photon ionization." Langmuir. 12,26. 6518-6520 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] K.Nakashima,H.Soga,T.Ogawa: "Two-photon two-color ionization spectrum of pyrene in n-hexane." Laser Chemistry. (in press). (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] Y.Q.Li,S.Sasaki,T.Inoue,T.Ogawa: "Hydrophobicity of surficial water by fluorescence microscopy." Journal of Physical Chemistry. (in press). (1997)

    • Related Report
      1996 Annual Research Report

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Published: 1996-04-01   Modified: 2016-04-21  

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