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Novel optical sensing system based on wireless paired emitter detector device for lab on a disc water quality analysis

Czugala, Monika and Gorkin, Robert and Phelan, Tomas and Ducrée, Jens and Diamond, Dermot and Benito-Lopez, Fernando (2011) Novel optical sensing system based on wireless paired emitter detector device for lab on a disc water quality analysis. In: MicroTAS 2011 Conference, 2-6 Oct. 2011, Seattle, USA.

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Abstract

This work describes the first use of a wireless paired emitter detector diode (PEDD) as an optical sensor for water quality monitoring in a lab-on-a-disc device. The microfluidic platform, based on a pH dye/ionogel sensing area combined with a low-cost, wireless optical sensor, PEDD, is applied for monitoring the pH and the degree of turbidity of water samples in real time. Calibration of the system resulted in a linear response that obeys the Beer-Lambert Law. A reasonable correlation between water pH results obtained using the PEDD system and a standard pH-meter was obtained.

Item Type:Conference or Workshop Item (Speech)
Event Type:Conference
Refereed:No
Uncontrolled Keywords:paired emitter detector diode; PEDD; optical sensor; lab-on-a-disc; ionogel
Subjects:Engineering > Optical communication
Biological Sciences > Microfluidics
Engineering > Environmental engineering
DCU Faculties and Centres:UNSPECIFIED
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:16656
Deposited On:20 Oct 2011 12:07 by Monika Czugala. Last Modified 27 Jul 2012 12:27

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