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Microabsorptiometry of Chemically-Induced Single Picoliter Droplet/Water Extraction

Research Project

Project/Area Number 11640604
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 分離・精製・検出法
Research InstitutionUniversity of Tsukuba

Principal Investigator

NAKATANI Kiyoharu  University of Tsukuba, Chemistry, Associate Professor, 化学系, 助教授 (00250415)

Project Period (FY) 1999 – 2000
Project Status Completed (Fiscal Year 2000)
Budget Amount *help
¥3,300,000 (Direct Cost: ¥3,300,000)
Fiscal Year 2000: ¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 1999: ¥2,300,000 (Direct Cost: ¥2,300,000)
Keywordsdroplet / extraction / microabsorption / microanalysis / microparticle / mass transfer / 顕微吸光法 / 界面 / 吸光 / 微量
Research Abstract

We have developed a new microabsorption technique combined with microcapillary manipulation and microelectrode methods, by which a single picoliter microdroplet or microparticle can be injected into an aqueous solution and extraction of a solute from water to the single droplet (solvent extraction) or particle (solid phase extraction) is measured. In the oil droplet/water system, ion-pair extraction between methylene blue (MB) or (ferrocenylmethyl)trimethylammonium (Fc) and PF_6^- was so fast, comparable with the diffusion-limited rate of the solute in water. On the other hand, ion-pair extraction between MB and a dodecylsulfate anion (SDS) was very slow and the time dependence of the extraction was analyzed on the basis of a consecutive reaction model. Furthermore, the rate constants were highly dependent on the droplet size. The results indicate that the extraction is governed by adsorption of SDS and/or the SDS-MB ion-pair at the droplet/water interface. In the microparticel/water system, sorption and desorption processes of a cationic dye in single silica gel particle were kinetically analyzed. A rate-determining step of the sorption/desorption processes of rhodamine 6G was the diffusion of the dye in the microparticle, while the mass transfer processes of MB or acridine orange were expected to be governed by the intraparticel diffusion and desorption of the dye on the solid/water interface. It is concluded that microcapillary injection/manipulation, microabsorptiometry and microelectrochemistry techniques of a single microdroplet or microparticle is sufficient to quantitatively analyze the extraction processes. Since the extraction rate depends on the droplet or particle size, the present measurements are absolutely important for the detailed analysis of the extraction processes.

Report

(3 results)
  • 2000 Annual Research Report   Final Research Report Summary
  • 1999 Annual Research Report
  • Research Products

    (23 results)

All Other

All Publications (23 results)

  • [Publications] S.Ishizaka,K.Nakatani,S.Habuchi,and N.Kitamura: "Total Internal Reflection Fluorescence Dynamic Anisotropy of Sulforhodamine 101 at a Liquid/Liquid Interface : Rotational Reorientation Times and Interfacial Structures"Analytical Chemistry. 71. 419-426 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Nakatani,K.Chikama,and N.Kitamura: "Laser Trapping-Spectroscopy-Electrochemistry of Individual Microdroplets in Solution"Advances in Photochemistry. 24. 173-223 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Nakatani,M.Sudo,and N.Kitamura: "A study on Liquid-Liquid Distribution Based on Single Picoliter Droplets and in Situ Electrochemical Measurements."Analytical Chemistry. 72. 339-342 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Nakatani and T.Sekine: "Single-Microparticle Injection and Microabsorptiometry : Direct Analysis of Sorption Processes."Journal of Colloid and Interface Science. 225. 251-253 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] N.Terui,K.Nakatani and N.Kitamura: "Kinetic Analysis of Electrochemically-Induced Ion Transfer across a Single Microdroplet/Water Interface."Journal of Electroanalytical Chemistry. 494. 41-46 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Nakatani and T.Sekine: "Direct Analysis of Intraparticle Mass Transfer in Silica Gel using Single-Microparticle Injection and Microabsorption Methods."Langmuir. 16. 9256-9260 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Nakatani,T.Sekine and T.Negishi: "Microanalysis of Mass Transfer Processes on a Single Particle."Encyclopedia of Surface and Colloid Science, Marcel Dekker. (in press). (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] S.Ishizaka, K.Nakatani, S.Habuchi, and N.Kitamura: "Total Internal Reflection Fluorescence Dynamic Anisotropy of Sulforhodamine 101 at a Liquid/Liquid Interface : Rotational Reorientation Times and Interfacial Structures."Anal.Chem.. 71. 419-426 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Nakatani, K.Chikama and N.Kitamura: "Laser Trapping-Spectroscopy-Electrochemistry of Individual Microdroplets in Solution."Advances in Photochemistry, Wiley-Interscience, New York. 24. 173-223 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Nakatani, M.Sudo, and N.Kitamura: "A Study on Liquid-Liquid Distribution Based on Single Picoliter Droplets and in Situ Electrochemical Measurements."Anal.Chem.. 72. 339-342 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Nakatani and T.Sekine: "Single-Microparticel Injection and Microabsorptiometry : Direct Analysis of Sorption Processes."J.Colloid Interface Sci.. 225. 251-253 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] N.Terui, K.Nakatani and N.Kitamura: "Kinetic Analysis of Electrochemically-Induced Ion Transfer across a Single Microdroplet/Water Interface."J.Electroanal.Chem.. 494. 41-46 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Nakatani and T.Sekine: "Direct Analysis of Intraparticle Mass Transfer in Silica Gel using Single-Microparticle Injection and Microabsorption Methods."Langmuir. 16. 9256-9260 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Nakatani, T.Sekine and T.Negishi: "Microanalysis of Mass Transfer Processes on a Single Particle."Encyclopedia of Surface and Colloid Science, Marcel Dekker, New York. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Nakatani,M.Sudo, and N.Kitamura: "A Study on Liquid-Liquid Distribution Based on Single Picoliter Droplets and in Situ Electrochemical Measurements."Analytical Chemistry. 72. 339-342 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] K.Nakatani and T.Sekine: "Single-Microparticle Injection and Microabsorptiometry : Direct Analysis of Sorption Processes."Journal of Colloid and Interface Science. 225. 251-253 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] N.Terui,K.Nakatani and N.kitamura: "Kinetic Analysis of Electrochemically-Induced Ion Transfer across a Single Microdroplet/Water Interface."Journal of Electroanalytical Chemistry. 494. 41-46 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] K.Nakatani and T.Sekine: "Direct Analysis of Intraparticle Mass Transfer in Silica Gel using Single-Microparticle Injection and Microabsorption Methods."Langmuir. 16. 9256-9260 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] K.Nakatani,T.Sekine and T.Negishi: "Microanalysis of Mass Transfer Processes on a Single Particle."Encyclopedia of Surface and Colloid Science. (in press). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] S.Ishizaka, K.Nakatani,S.Habuchi and N.Kitamura: "Total Internal Reflection Fluorescence Dynamic Anisotropy of Sulforhodamine 101 at a Liquid/Liquid Interface: Rotational Reorientation Times and Interfacial Structures"Analytical Chemistry. 71. 419-426 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] K.Nakatani, K.Chikama,and N.Kitamura: "Laser Trapping-Spectroscopy-Electrochemistry of Individual Microdroplets in Solution"Advances in Photochemistry. 25. 173-223 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] K.Nakatani,M.Sato,and N.Kitamura: "A Study on Liquid-Liquid Distribution Based on Single Picoliter Droplets and in Situ Electrochemical Measurements"Analytical Chemistry. 72. 339-342 (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] K.Nakatani,and T.Sekine: "Single Microparticle Injection and Microabsorptiometry: Direct Analysis of Sorption Processes"Journal of Colloid and Interface Science. (印刷中). (2000)

    • Related Report
      1999 Annual Research Report

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Published: 1999-04-01   Modified: 2016-04-21  

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