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An automated microfluidic colourimetric sensor applied in situ to determine nitrite concentration

Beaton, Alexander D., Sieben, Vincent J., Floquet, Cedric F.A., Waugh, Edward M., Abi Kaed Bey, Samer, Ogilvie, Iain R.G., Mowlem, Matthew C. and Morgan, Hywel (2011) An automated microfluidic colourimetric sensor applied in situ to determine nitrite concentration Sensors and Actuators B: Chemical, 156, (2), pp. 1009-1014. (doi:10.1016/j.snb.2011.02.042).

Record type: Article


A stand-alone sensor system with integrated sub-systems is demonstrated. The system is portable and capable of in situ reagent-based nutrient analysis. The system is based on a low cost optical detection method, together with an automated microfluidic delivery system that is able to detect nitrite with a limit of detection (LOD) of 15 nM. The sensor was operated in situ at Southampton Dockhead for 57 h (December 2010) and 375 measurements were taken.

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Published date: August 2011
Keywords: Griess nitrite detection, Automated PMMA microfluidic chip, Integrated colourimetric sensor, Spectrophotometry, Environment
Organisations: Ocean Technology and Engineering


Local EPrints ID: 194155
ISSN: 0925-4005
PURE UUID: 317f7153-ccae-46f5-8e5a-e80fa9362c2d
ORCID for Hywel Morgan: ORCID iD

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Date deposited: 25 Jul 2011 12:41
Last modified: 18 Jul 2017 11:27

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Author: Alexander D. Beaton
Author: Vincent J. Sieben
Author: Cedric F.A. Floquet
Author: Edward M. Waugh
Author: Samer Abi Kaed Bey
Author: Iain R.G. Ogilvie
Author: Hywel Morgan ORCID iD

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