Fundamental Study on the Segmented Flow Injection - Multiphase Flow Formation Towards Microchip-Based Multi-Ion Sensing

Hideaki Hisamoto, Takayuki Horiuchi, Akihide Hibara, Manabu Tokeshi, Takehiko Kitamori

研究成果: Article査読

1 被引用数 (Scopus)

抄録

A new fluid flow inside the microchannel was successfully developed. The flow created here involves segmented flow injection of plural organic phases into a microchannel followed by contact with a single aqueous phase to form stable organic-aqueous two-layer flow inside the microchannel. Fundamental study on the developed flow inside the microchannel was performed by monitoring the dye-doped segmented organic phases by thermal lens microscopy (TLM). Excellent repeatability and very small injection volume in developing segmented flow were realized. The new fluid flow created here is expected to allow us multi-ion sensing, which is not easily demonstrated by conventional ion sensor technology using a solvent polymeric membrane, by combining with neutral ionophore-based ion pair extraction using plural numbers of organic phases containing different ionophore molecules. Keywords : Segmented flow injection, Microchip, μ-TAS, Multi-ion, Multiphase flow.

本文言語English
ページ(範囲)124-127
ページ数4
ジャーナルIEEJ Transactions on Sensors and Micromachines
123
4
DOI
出版ステータスPublished - 2003
外部発表はい

ASJC Scopus subject areas

  • 機械工学
  • 電子工学および電気工学

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