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Millifluidic Sensor Dedicated to the Microwave Dielectric Spectroscopy of Liquids

Authors
  • Jaque Gonzalez, Patricio Felipe
  • Dubuc, David
  • Grenier, Katia
  • Veronese, T.
Publication Date
Oct 01, 2019
Identifiers
DOI: 10.23919/EuMC.2019.8910952
OAI: oai:HAL:hal-02400996v1
Source
HAL-SHS
Keywords
Language
English
License
Unknown
External links

Abstract

This paper presents a microwave sensor, which has been designed to dielectrically characterize liquids in the frequency range of 0.1 to 4GHz for a fluid volume of the order of 1 ml. Accuracy of the technique has been evaluated for two case studies. One is based on BSA molecules in aqueous solution at different concentrations, whereas the second case study is related to the dielectric measurements of eggs constituents. Even if these different liquids may present intrinsic variability due to the living, a weak standard deviation of 0.01 for BSA solutions and 0.05 for extra-embryonic liquids have been reached respectively. This accuracy enables the future use of the sensor and measurement technique in various applications and notably for the agriculture of precision, which mostly requires ubiquitous and affordable analytic equipment.

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