Journal
SENSORS AND ACTUATORS A-PHYSICAL
Volume 285, Issue -, Pages 652-658Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.sna.2018.12.008
Keywords
Particle sensor; Microfluidics; Cytometry; Microwave resonator
Funding
- Ministry of Science and Technology, Taiwan [102-2628-M-005-001-MY4, 107-2112-M-005-001]
- Research Center for Sustainable Energy and Nanotechnology, NCHU
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We developed a novel particle sensor based on micro channels embedded in microwave resonators, which are fabricated by standard print circuit board manufacturing technology. The sensing frequency falls in the range 2-4 GHz, the widely used microwave S band. A 70 mu m-particle can produce a frequency shift of 0.5 MHz in a sensor with 150 mu m channel size, with a dwell time of 0.5 ms by using double split ring resonators. These resonator sensors may employ phase-locked loop in achieving a higher detection resolution. (C) 2018 Elsevier B.V. All rights reserved.
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