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Detection of toxic compounds in water with an array of optical reporters
University of Roma Tor Vergata, Italy.
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, Faculty of Science & Engineering.
University of Roma Tor Vergata, Italy.
University of Roma Tor Vergata, Italy.
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2015 (English)In: EUROSENSORS 2015, ELSEVIER SCIENCE BV , 2015, Vol. 120, 146-149 p.Conference paper (Refereed)
Abstract [en]

An opto-electronic tongue, prepared using porphyrins, pH indicators, and their mixtures, has been tested for the analysis of toxic compounds in potable water. The color changes of sensitive dyes immersed in a water solution containing the target analytes were measured with an optical platform made by four LEDs (as light sources) and a digital camera (detector). We demonstrate that blends of dyes might be endowed with sensing properties wider than those of the single constituents, enabling the identification of a range of toxic compounds at concentrations smaller than 10(-6) mol/L. Furthermore, the use of the reporters in a sensor array configuration allows for the identification of the compounds disregarding their concentration. (C) Published by Elsevier Ltd.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2015. Vol. 120, 146-149 p.
Series
, Procedia Engineering, ISSN 1877-7058
National Category
Other Chemistry Topics
Identifiers
URN: urn:nbn:se:liu:diva-131213DOI: 10.1016/j.proeng.2015.08.589ISI: 000380499300033OAI: oai:DiVA.org:liu-131213DiVA: diva2:971844
Conference
Conference on EUROSENSORS
Available from: 2016-09-19 Created: 2016-09-12 Last updated: 2016-09-19

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Dini, F.Di Natale, C.
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Department of Physics, Chemistry and BiologyFaculty of Science & Engineering
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