Label-free droplet detection through 3d electorde-based impedance spectroscopy

Hyun Soo Kim, Sunghyun Cho, Hyesoo Park, Kang Ho Lee, Ohwon Kwon, Younghak Cho, Jaewon Park

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We have developed a 3D electrode-based impedance spectroscopy platform that can provide more precise analysis of droplet contents, compared to conventionally used 2D electrode designs. The 3D electrode pair was created by filling a liquid metal into 3D electrode channels, which allows for simple and easy fabrication as well as preventing any potential misalignment issues. The performance of the developed platform was characterized by measuring the electrical impedance of droplets with different numbers of cells inside.

Original languageEnglish
Title of host publication23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2019
PublisherChemical and Biological Microsystems Society
Pages949-950
Number of pages2
ISBN (Electronic)9781733419000
StatePublished - 2019
Event23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2019 - Basel, Switzerland
Duration: 27 Oct 201931 Oct 2019

Publication series

Name23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2019

Conference

Conference23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2019
Country/TerritorySwitzerland
CityBasel
Period27/10/1931/10/19

Keywords

  • 3D electrode
  • Droplet detection
  • Droplet microfluidics
  • Electrical impedance spectroscopy
  • Liquid metal

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