Microwave frequency sensor for detection of biological cells in microfluidic channels.

  title={Microwave frequency sensor for detection of biological cells in microfluidic channels.},
  author={Marija Nikolic-Jaric and Sean F. Romanuik and Graham A Ferrier and Greg E. Bridges and M. Butler and Kevin Sunley and D. J. Thomson and M. R. Freeman},
  volume={3 3},
We present details of an apparatus for capacitive detection of biomaterials in microfluidic channels operating at microwave frequencies where dielectric effects due to interfacial polarization are minimal. A circuit model is presented, which can be used to adapt this detection system for use in other microfluidic applications and to identify ones where it would not be suitable. The detection system is based on a microwave coupled transmission line resonator integrated into an interferometer. At… CONTINUE READING
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