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A droplet microfluidic-based sensor for monitoring river nitrate/nitrite concentrations

A droplet microfluidic-based sensor for monitoring river nitrate/nitrite concentrations
A droplet microfluidic-based sensor for monitoring river nitrate/nitrite concentrations
We report a field-deployable sensor for monitoring nitrate and nitrite levels in water, based on droplet microfluidics. The sensor, a fully ruggedized development of our previously-reported prototype was used in an uninterrupted three-week deployment in a tidal river where the influence of tidal variation, rain events, diurnal effects, and anthropogenic input can all be discerned. This droplet-based sensor demonstrates highly economical usage of consumables, with reagent consumption lower by approximately two orders-of-magnitude compared to the current state-of-the-art continuous-flow microfluidic sensors.
1328-1329
Nightingale, Adrian
4b51311d-c6c3-40d5-a13f-ab8917031ab3
Hassan, Sammer-Ul
8a5ae3f1-3451-4093-879e-85f40953da8b
Warren, Brett
7cb2bba2-fc4e-4d36-b43e-10dfac812195
Makris, Kyriacos
6372052f-7a01-47c2-bb45-189eef8a69ab
Evans, Gareth
235f863f-e661-464e-ba15-79faa28c6d77
Papadopoulou, Evanthia
089fbae5-0658-42d4-8d6e-ceb83c728d64
Coleman, Sharon
2653c332-2105-46b7-98ca-450d88a3aa9f
Niu, Xize
f3d964fb-23b4-45db-92fe-02426e4e76fa
Nightingale, Adrian
4b51311d-c6c3-40d5-a13f-ab8917031ab3
Hassan, Sammer-Ul
8a5ae3f1-3451-4093-879e-85f40953da8b
Warren, Brett
7cb2bba2-fc4e-4d36-b43e-10dfac812195
Makris, Kyriacos
6372052f-7a01-47c2-bb45-189eef8a69ab
Evans, Gareth
235f863f-e661-464e-ba15-79faa28c6d77
Papadopoulou, Evanthia
089fbae5-0658-42d4-8d6e-ceb83c728d64
Coleman, Sharon
2653c332-2105-46b7-98ca-450d88a3aa9f
Niu, Xize
f3d964fb-23b4-45db-92fe-02426e4e76fa

Nightingale, Adrian, Hassan, Sammer-Ul, Warren, Brett, Makris, Kyriacos, Evans, Gareth, Papadopoulou, Evanthia, Coleman, Sharon and Niu, Xize (2019) A droplet microfluidic-based sensor for monitoring river nitrate/nitrite concentrations. In 23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences. pp. 1328-1329 .

Record type: Conference or Workshop Item (Paper)

Abstract

We report a field-deployable sensor for monitoring nitrate and nitrite levels in water, based on droplet microfluidics. The sensor, a fully ruggedized development of our previously-reported prototype was used in an uninterrupted three-week deployment in a tidal river where the influence of tidal variation, rain events, diurnal effects, and anthropogenic input can all be discerned. This droplet-based sensor demonstrates highly economical usage of consumables, with reagent consumption lower by approximately two orders-of-magnitude compared to the current state-of-the-art continuous-flow microfluidic sensors.

Text
A DROPLET MICROFLUIDIC-BASED SENSOR FOR MONITORING RIVER
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More information

Published date: 23 October 2019

Identifiers

Local EPrints ID: 440659
URI: http://eprints.soton.ac.uk/id/eprint/440659
PURE UUID: 11a2cca5-f91b-4fd6-9329-0edf209c8f3d
ORCID for Sammer-Ul Hassan: ORCID iD orcid.org/0000-0002-0319-5814

Catalogue record

Date deposited: 13 May 2020 16:32
Last modified: 18 Feb 2021 17:20

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Contributors

Author: Brett Warren
Author: Kyriacos Makris
Author: Gareth Evans
Author: Evanthia Papadopoulou
Author: Sharon Coleman
Author: Xize Niu

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