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Trends in microfluidic systems for in situ chemical analysis of natural waters

Nightingale, Adrian M.; Beaton, Alexander D.; Mowlem, Matthew C.. 2015 Trends in microfluidic systems for in situ chemical analysis of natural waters. Sensors and Actuators B: Chemical, 221. 1398-1405. 10.1016/j.snb.2015.07.091

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© 2015 Elsevier B.V. This is the author’s version of a work that was accepted for publication in Sensors and Actuators B: Chemical. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was/will be published in Sensors and Actuators B: Chemical (doi:10.1016/j.snb.2015.07.091).
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Abstract/Summary

Spatially and temporally detailed measurement of ocean, river and lake chemistry is key to fully understanding the biogeochemical processes at work within them. To obtain these valuable data, miniaturised in situ chemical analysers have recently become an attractive alternative to traditional manual sampling, with microfluidic technology at the forefront of recent advances. In this short critical review we discuss the role, operation and application of in situ microfluidic analysers to measure biogeochemical parameters in natural waters. We describe recent technical developments, most notably how pumping technology has evolved to allow long-term deployments, and describe how they have been deployed in real-world situations to yield detailed, scientifically useful data. Finally, we discuss the technical challenges that still remain and the key obstacles that must be negotiated if these promising systems are to be widely adopted and used, for example, in large environmental sensor networks and on low-power underwater vehicles.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1016/j.snb.2015.07.091
ISSN: 09254005
Additional Keywords: microfluidics, lab-on-chip, chemical sensors, optical sensors, in situ, in-the-field, environmental chemistry, analytical chemistry, oceanography
Date made live: 04 Nov 2015 17:01 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/512155

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