Distribution of methyl red on the water-organic liquid interface in a microchannel

Mariana Surmeian, A. Hibara, M. Slyadnev, K. Uchiyama, H. Hisamoto, T. Kitamori

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)


Molecular transport across a water-organic liquid interface formed parallel to the side wall of a microchannel on microchips has been studied using methyl red as model compound and cyclohexane and n-octanol as organic solvents. The molecular transport was monitored by thermal lens microscopy and the kinetics of the process was studied for different concentrations and flow velocities. The influence of physico-chemical interactions between the model compound and organic solvents on liquid-liquid interface was demonstrated in the microspace and corresponding partition coefficients were calculated which confirmed the experimental results.

Original languageEnglish
Pages (from-to)1421-1429
Number of pages9
JournalAnalytical Letters
Issue number9
Publication statusPublished - 2001
Externally publishedYes


  • Interface
  • Methyl red
  • Microchips
  • Molecular transport
  • Thermal lens microscopy

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Spectroscopy
  • Clinical Biochemistry
  • Biochemistry, medical
  • Electrochemistry


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