Measuring the microwave permittivity of single particles

Yang Yang,Yuxi He,Hanqiao Zhang,Kama Huang,Guofen Yu,Pingshan Wang

Biomedical Wireless Technologies, Networks, and Sensing Systems（2013）

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摘要

We present a method to measure the permittivity of singles particles at microwave frequencies. Individual latex particles with diameters between 1 and 5 μm in de-ionized (DI) water are measured with a sensitive microwave sensor. An algorithm is developed to extract particle dielectric properties, which agree reasonably well with published results. The method is promising for single biological cell characterization at microwave frequencies.

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关键词

coplanar waveguide (cpw),cellular biophysics,microparticle,conformal mapping,particle dielectric properties,biological techniques,biological cell characterization,sensor,size 1 mum to 5 mum,sensitive microwave sensor,single particle permittivity,bioelectric phenomena,microwave devices,de-ionized water,individual latex particles,permittivity,microwave permittivity,microwave frequencies

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