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Autonomous microfluidic sensors for nutrient detection applied to nitrite, nitrate, phospate, manganese and iron

Seiben, V.J.; Beaton, A.D.; Floquet, C.F.A.; Beyh, S.A.K.; Ogilvie, I.R.G.; Waugh, E.M.; Ang, J.K.C.; Mowlem, M.C.; Morgan, H.. 2010 Autonomous microfluidic sensors for nutrient detection applied to nitrite, nitrate, phospate, manganese and iron. In: Proceedings 14th International Conference on Miniaturized Systems for Chemistry and Life Sciences. Groningen, NL, CBMS, 1016-1018.

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Abstract/Summary

We present the design, fabrication, analysis and characterisation of autonomous high accuracy and sensitivity microfluidic nutrient sensors. A stand-alone sensor platform with integrated sub-systems is demonstrated, which 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 (e.g.) with a Limit of Detection (LOD) of 14nM. The platform was operated in-situ at Southampton Dockhead for 37 hours, performing 284 measurements.

Item Type: Publication - Book Section
Additional Keywords: nutrient detection, microfluidic system integration, spectrophotometry, environment
Date made live: 18 Oct 2013 08:57 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/503553

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