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Dielectric contrast measurements on biological substances with resonant microwave near-field sensors

Published online by Cambridge University Press:  10 May 2013

Nora Haase  and
Arne F. Jacob
Nora Haase*
Affiliation:
Institut für Hochfrequenztechnik, Technische Universität Hamburg-Harburg, 21073 Hamburg, Germany. Phone:  +49 (0)40-42878-2225
Arne F. Jacob
Affiliation:
Institut für Hochfrequenztechnik, Technische Universität Hamburg-Harburg, 21073 Hamburg, Germany. Phone:  +49 (0)40-42878-2225
*
Corresponding author: Nora Haase Email: nora.haase@tu-harburg.de
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Abstract

Resonant substrate integrated near-field sensors are used for characterization of aqueous solutions at three different frequencies. In addition, Chinese hamster ovary (CHO) cells in a culture medium are characterized with the same sensors. Different concentrations as well as different vital states of cell suspensions are examined. The complex permittivity of the samples is evaluated using a linearized method based on perturbation theory. The permittivity differences between the measured cell suspensions are discussed. The resonant frequencies of the sensors are close to 3, 7, and 11 GHz, respectively.

Keywords

Characterization of Material parametersMedical and biological effects
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 5 , Special Issue 3: European Microwave Week 2012 , June 2013 , pp. 221 - 230
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2013 

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