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Proceedings 2017, 1(4), 523; doi:10.3390/proceedings1040523

Microwave Sensor within a Microfluidic Chip for Biological Applications

1
SATIE, UMR CNRS 8029, ENS Cachan, University of Paris-Saclay, Cachan, France
2
School of Civil Engineering, University of Queensland, St Lucia, Australia
3
ESYCOM EA2552, Université Paris-Est, Paris, France
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
*
Author to whom correspondence should be addressed.
Published: 11 August 2017
Download PDF [550 KB, uploaded 6 September 2017]

Abstract

A miniaturized sensor operating in Radio Frequency region (RF) is proposed to address the need in picoliter liquid characterization. The sensor is based on a coplanar waveguide (CPW) combined with a microfluidic channel dedicated to microliter liquid characterization with perspectives for biology and single cell characterization. Using microtechnology process, the sensor has been designed on a 0.5 mm thick quartz wafer with Cr/Au electrodes. A prototype of the sensor has been fabricated and evaluated with ethanol/water mixtures at different molar fractions of ethanol. A good agreement between theoretical and measured electrical response of the sensor is observed.
Keywords: RF characterization; RF sensors; liquids; picoliter volumes; microfluidic; broadband; dielectric characterization RF characterization; RF sensors; liquids; picoliter volumes; microfluidic; broadband; dielectric characterization
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Fellahi, A.E.; Bore, T.; Rousseau, L.; Pioufle, B.L.; Français, O. Microwave Sensor within a Microfluidic Chip for Biological Applications. Proceedings 2017, 1, 523.

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