Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Electrokinetic streaming potential detection in a triangular-shaped microchannel

역삼각형 모양을 갖는 마이크로 채널에서의 전기역학적 흐름전위 검출

  • Jo, Seong-Sik (Department of BioSystems, Korea Advanced Institute of Science and Technology (KAIST)) ;
  • Park, Je-Kyun (Department of BioSystems, Korea Advanced Institute of Science and Technology (KAIST))
  • 조성식 (한국과학기술원 바이오시스템학과) ;
  • 박제균 (한국과학기술원 바이오시스템학과)
  • Published : 2007.03.31
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Abstract

We report electrokinetic streaming potential detection in a microchannel. Streaming potential, one of the representative electrokinetic phenomena, becomes noticeable either when the channel size reduces or when the concentration of electrolyte reduces. We suggest a triangular-shaped microchannel to enhance streaming potential. The triangular-shaped microchannel shows better performance than the straight one in terms of streaming potential. Couple of possible methods to enhance streaming potential is also discussed. Moreover, this type of channel and phenomenon can be applied to biological sensor application and energy transduction.

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References

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