Simultaneous measurements of near-wall velocity and wall zeta-potential by evanescent wave illumination

S. Miyakawa, Y. Kazoe, Yohei Sato

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

A simultaneous measurement technique of the near-wall electroosmotic velocity and the wall zeta-potential was developed by using the evanescent wave. Nano particle image velocimetry (nano-PIV) with submicron fluorescent particles and nanoscale laser induced fluorescence (nano-LIF) with fluorescent dye were used for the velocity and zeta-potential measurement, respectively. The images of particles (red fluorescence) and dye (green fluorescence) were captured by a 3CCD camera. The present study focused on the vicinity of the microchannel wall with uniform zeta-potential.

Original languageEnglish
Title of host publicationProceedings of the 11th International Conference on Miniaturized Systems for Chemistry and Life Sciences, uTAS 2007
EditorsJean-Louis Viovy, Patrick Tabeling, Stephanie Descroix, Laurent Malaquin
PublisherChemical and Biological Microsystems Society
Pages1667-1669
Number of pages3
ISBN (Electronic)9780979806407
Publication statusPublished - 2007
Event11th International Conference on Miniaturized Systems for Chemistry and Life Sciences, uTAS 2007 - Paris, France
Duration: 2007 Oct 72007 Oct 11

Publication series

NameProceedings of the 11th International Conference on Miniaturized Systems for Chemistry and Life Sciences, uTAS 2007

Conference

Conference11th International Conference on Miniaturized Systems for Chemistry and Life Sciences, uTAS 2007
CountryFrance
CityParis
Period07/10/707/10/11

Keywords

  • Electroosmotic flow
  • Evanescent wave
  • Nanoscale
  • Zeta-potential

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Bioengineering

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