Molecular Transport between Two Phases in a Microchannel.

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  • SATO Kiyoshi
    Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo
  • TOKESHI Manabu
    Integrated Chemistry Project, Kanagawa Academy of Science and Technology
  • SAWADA Tsuguo
    Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo
  • KITAMORI Takehiko
    Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo Integrated Chemistry Project, Kanagawa Academy of Science and Technology

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Abstract

Today, microfabricated devices (microchips) have attracted considerable attention because of their vast applicability and versatility. Most published reports utilizing microchips to separate and detect analysis of interest have concentrated on using electrokinetically driven separation schemes. Investigations from a different standpoint have been few in number. However, microchips offer advantages concerning the scale merits of microspace, such as a short diffusion distance and the high interface-to-volume ratio, the specific interface area; we thus considered that they are an ideal tool to study molecular transport between two different phases, i.e., solvent extraction. In the present paper, we report on the first demonstration using a microchip to study molecular between two phases.

Journal

  • Analytical Sciences

    Analytical Sciences 16 (5), 455-456, 2000

    The Japan Society for Analytical Chemistry

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