A simple two terminal longitudinal hotwire sensor for monitoring the position and speed of advancing liquid fronts in micro channels

K. S. Ryu, K. Shaikh, E. Goluch, P. Mathias, C. Liu*

*Corresponding author for this work

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

1 Scopus citations

Abstract

We report a simple and practical sensor for monitoring both the absolute position and advancing speed of liquid front in a microfluidic channel. The sensor consists of a longitudinal hot wire element - a two-terminal electrical device, with its length spanning the entire channel. The design, materials, fabrication method, and use of this sensor are extremely simple. Characterization results are presented.

Original languageEnglish (US)
Title of host publicationMicro Total Analysis Systems - Proceedings of MicroTAS 2005 Conference
Subtitle of host publication9th International Conference on Miniaturized Systems for Chemistry and Life Sciences
PublisherTransducer Research Foundation
Pages163-165
Number of pages3
ISBN (Print)0974361119, 9780974361116
StatePublished - Jan 1 2005
Event9th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2005 - Boston, MA, United States
Duration: Oct 9 2005Oct 13 2005

Publication series

NameMicro Total Analysis Systems - Proceedings of MicroTAS 2005 Conference: 9th International Conference on Miniaturized Systems for Chemistry and Life Sciences
Volume1

Other

Other9th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2005
Country/TerritoryUnited States
CityBoston, MA
Period10/9/0510/13/05

Keywords

  • Mirofluidics
  • Position
  • Sensor
  • Speed

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Bioengineering

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