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Journal Publication

Subterahertz sensor in microfluidic devices for on-line determination and control of ethanol concentration

This publication appears in: Journal of Vacuum Science & Technology B

Authors: S. Moraes, J. Stiens, S. Moshkalev, J. Willibrordus Swart, V. Matvejev, Y. Zhang and C. De Tandt

Volume: 35

Issue: 6

Number of Pages: 8

Publication Date: Nov. 2017


Abstract:

This paper reports on the performance of a subterahertz (THz) liquid sensor tool coupled to a microfluidic platform. Contactless and on-line measurements are demonstrated for the determination of ethanol concentration and controlling by a micromixer device. The authors have developed a label-free chemical sensing methodology coupling a subterahertz sensor technology to microfluidic devices fabricated on glass and polydimethylsiloxane. They demonstrated on-line sensing and control of ethanol concentration on demand. The THz-microfluidic sensing strategy represents a versatile tool for fast and easy integration in microfluidic devices, for concentration detection and linear control of binary mixture concentration in a contactless mode using microreactors in laminar flow and fast mixing mechanism by convection.

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Mr. Salomao Moraes

+32 (0)02 629 239

smoraes@etrovub.be

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Prof. Dr. Ir. Johan Stiens

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jstiens@etrovub.be

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Mrs. Cathleen De Tandt

+32 (0)02 629 293

cdtandt@etrovub.be

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