Measurement of pH field of chemically reacting flow in microfluidic devices by laser-induced fluorescence

Kyosuke Shinohara, Yasuhiko Sugii, Koji Okamoto, Haruki Madarame, Akihide Hibara, Manabu Tokeshi, Takehiko Kitamori

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

The interaction between chemical reactions and the flow field in microfluidic devices is investigated by a laser-induced fluorescence technique refined for use at microscopic spatial resolution. The pH distribution of chemically reacting flow at a Y-junction in a neutralization reaction in a microfluidic device is successfully visualized at a spatial resolution of 0.89 μm × 0.89 μm.

Original languageEnglish
Pages (from-to)955-960
Number of pages6
JournalMeasurement Science and Technology
Volume15
Issue number5
DOIs
Publication statusPublished - 2004 May
Externally publishedYes

Keywords

  • Chemical reaction
  • Micro LIF
  • Micro PIV
  • Micro fluidic device
  • Molecular diffusion

ASJC Scopus subject areas

  • Instrumentation
  • Engineering (miscellaneous)
  • Applied Mathematics

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