Rayleigh Surface Acoustic Wave As an Efficient Heating System for Biological Reactions: Investigation of Microdroplet Temperature Uniformity - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control Année : 2015

Rayleigh Surface Acoustic Wave As an Efficient Heating System for Biological Reactions: Investigation of Microdroplet Temperature Uniformity

Thibaut Roux-Marchand
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Denis Beyssen
Frederic Sarry
Omar Elmazria

Résumé

When a microdroplet is put on the Rayleigh surface acoustic wave path, longitudinal waves are radiated into the liquid and induce several phenomena such as the well-known surface acoustic wave streaming. At the same time, the temperature of the microdroplet increases as it has been shown. In this paper, we study the temperature uniformity of a microdroplet heated by Rayleigh surface acoustic wave for discrete microfluidic applications such as biological reactions. To precisely ascertain the temperature uniformity and not interfere with the biological reaction, we used an infrared camera. We then tested the temperature uniformity as a function of three parameters: the microdroplet volume, the Rayleigh surface acoustic wave frequency, and the continuous applied radio frequency power. Based on these results, we propose a new device structure to develop a future lab on a chip based on reaction temperatures.
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Dates et versions

hal-01293132 , version 1 (18-04-2020)

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Citer

Thibaut Roux-Marchand, Denis Beyssen, Frederic Sarry, Omar Elmazria. Rayleigh Surface Acoustic Wave As an Efficient Heating System for Biological Reactions: Investigation of Microdroplet Temperature Uniformity. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2015, 62 (4), pp.729-735. ⟨10.1109/TUFFC.2014.006710⟩. ⟨hal-01293132⟩
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