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Salomao Moraes Da Silva, Johan Stiens, jacobus Swart, Yuchen Zhang, Vladimir Matvejev, Cathleen De Tandt
 

Unpublished contribution to conference

Abstract 

This paper reports on the performance of a sub-THz liquid sensor toolcoupled to a microfluidic system. Non-invasive, non-destructive and on linemeasurements are demonstrated for the determination of methanol, ethanol andbiomolecule concentrations and for controlling microfluidic devices. Techniques to characterize liquids are of fundamental importance for chemistry and life sciences [1][2]. The frequency 10^10 to 10^13 Hz range allows sensors for such interrogation in a label-free manner through electromagnetic measurements of small permittivity changes. We have developed a chemical sensing methodology that integrates subterahertz sensor technology into microfluidic devices fabricated on silicon, glass and polydimethylsiloxane.

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