Nano-Gap Magnetophoresis with Raman Spectroscopic Detection

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  • KAWANO Makoto
    Department of Chemistry, Graduate School of Science, Osaka University
  • YOUNG Jennifer L.
    Department of Chemistry, Graduate School of Science, Osaka University
  • WATARAI Hitoshi
    Department of Chemistry, Graduate School of Science, Osaka University Institute for NanoScience Design, Osaka University

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Abstract

As a tool to determine the magnetic susceptibility of a nano/microparticle in a liquid, a nano-gap magnetophoresis device was fabricated using tilted flat glass plates and a permanent magnet. The nano-gap device was not only used to determine the size of particles, but also directly provided measurements of Raman spectra of fractionally trapped particles in the nano-gap device. The performance of the new hyphenated method was demonstrated by an analysis of suspended particle matter in traffic air.

Journal

  • Analytical Sciences

    Analytical Sciences 26 (12), 1211-1213, 2010

    The Japan Society for Analytical Chemistry

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