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Open AccessFeature PaperArticle

Mobile Acoustic Wave Platform Deployment in the Amazon River: Impact of the Water Sample on the Love Wave Sensor Response

1
Université de Guyane, UMR 228 Espace-Dev, F-97300 Cayenne, France
2
Université de Bordeaux, CNRS, Bordeaux INP, IMS, UMR 5218, F-33400 33400 Talence, France
3
LAAS, CNRS UPR 8001, F-31031, 31400 Toulouse, France
*
Author to whom correspondence should be addressed.
Sensors 2020, 20(1), 72; https://doi.org/10.3390/s20010072
Received: 21 November 2019 / Revised: 14 December 2019 / Accepted: 19 December 2019 / Published: 21 December 2019
(This article belongs to the Special Issue Guided-Wave Acoustic Sensors)
This paper presents an experimental platform allowing in situ measurement in an aqueous medium using an acoustic Love wave sensor. The aim of this platform, which includes the sensor, a test cell for electrical connections, a microfluidic chip, and a readout electronic circuit, is to realize a first estimation of water quality without transportation of water samples from the field to the laboratory as a medium-term objective. In the first step, to validate the ability of such a platform to operate in the field and in Amazonian water, an isolated and difficult-to-access location, namely, the floodplain Logo Do Curuaï in the Brazilian Amazon, was chosen. The ability of such a platform to be transported, installed on site, and used is discussed in terms of user friendliness and versatility. The response of the Love wave sensor to in situ water samples is estimated according to the physical parameters of Amazonian water. Finally, the very good quality of the acoustic response is established, potential further improvements are discussed, and the paper is concluded. View Full-Text
Keywords: love wave acoustic sensor; liquid sensing; in field operation; microfluidic; portable electronic platform love wave acoustic sensor; liquid sensing; in field operation; microfluidic; portable electronic platform
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MDPI and ACS Style

Tamarin, O.; Rube, M.; Lachaud, J.L.; Raimbault, V.; Rebière, D.; Dejous, C. Mobile Acoustic Wave Platform Deployment in the Amazon River: Impact of the Water Sample on the Love Wave Sensor Response. Sensors 2020, 20, 72.

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