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Adaptive coatings based on polyaniline for dynamic pH sensing in micro-fluidic devices

Florea, Larisa and Lahiff, Emer and Diamond, Dermot and Benito-Lopez, Fernando (2012) Adaptive coatings based on polyaniline for dynamic pH sensing in micro-fluidic devices. In: 63rd Irish Universities Chemistry Research Colloquium, 23-24 June 2011, UCD, Dublin, Ireland.

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Abstract

Polymer brushes based on the conducting polymer polyaniline were synthesized on the interior of micro-capillaries and micro-fluidic channels to study the influence of these brushes on solvent flow through a confined space. The polyaniline brushes are formed using a 􀁬grafting from􀁺 approach [1]. The optical/electrical proprieties of these polyaniline coatings change in response to the pH of the solution that is flushed inside the micro-channel. These unique proprieties offer a new route of characterising liquid transport in micro-fluidic devices and holds promise asa means for developing integrated micro-fluidic optical sensors.

Item Type:Conference or Workshop Item (Poster)
Event Type:Conference
Refereed:Yes
Uncontrolled Keywords:polyaniline
Subjects:Physical Sciences > Chemistry
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Science and Health > School of Chemical Sciences
Research Initiatives and Centres > CLARITY: The Centre for Sensor Web Technologies
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
Funders:Irish Research Council for Science Engineering and Technology
ID Code:17884
Deposited On:28 Mar 2013 15:31 by Larisa Florea. Last Modified 20 Jan 2017 13:54

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