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Optical sensing system based on wireless paired emitter detector diode device and ionogels for lab-on-a-disc water quality analysis

Czugala, Monika, Gorkin, Robert, Phelan, Thomas, Gaughran, Jennifer ORCID: 0000-0002-3659-036X, Curto, Vincenzo F. ORCID: 0000-0002-0571-7903, Ducrée, Jens ORCID: 0000-0002-0366-1897, Diamond, Dermot ORCID: 0000-0003-2944-4839 and Benito-Lopez, Fernando ORCID: 0000-0003-0699-5507 (2012) Optical sensing system based on wireless paired emitter detector diode device and ionogels for lab-on-a-disc water quality analysis. Lab on a Chip, 2012 (12). pp. 5069-5078. ISSN 1473-0189

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Abstract

This work describes the first use of a wireless paired emitter detector diode device (PEDD) as an optical sensor for water quality monitoring in a lab-on-a-disc device. The microfluidic platform, based on an ionogel sensing area combined with a low-cost optical sensor is applied for pH (quantitative) and qualitative turbidity monitoring of water samples at the point-of-need. The autonomous capabilities of the PEDD system, combined with the portability and wireless communication of the full device, provide the flexibility needed for on-site water testing. Water samples from local fresh and brackish sources were successfully analysed using the device, showing very good correlation with standard bench-top systems.

Item Type:Article (Published)
Refereed:Yes
Uncontrolled Keywords:lab-on-a-disc; PEDD; colorimetric analysis; pH; turbidity
Subjects:Engineering > Electronic engineering
Physical Sciences > Detectors
Engineering > Environmental engineering
DCU Faculties and Centres:Research Initiatives and Centres > CLARITY: The Centre for Sensor Web Technologies
DCU Faculties and Schools > Faculty of Science and Health > School of Physical Sciences
Publisher:Royal Society of Chemistry
Official URL:http://dx.doi.org/10.1039/C2LC40781G
Copyright Information:© 2012 RSC
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:17889
Deposited On:28 Mar 2013 14:47 by Monika Czugala . Last Modified 05 May 2022 13:19

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