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Ionogel Materials for Fluid Control and Sensing in Microfluidic Devices

Benito-Lopez, Fernando and Robert, Byrne and Shirley, Coyle and Dermot, Diamond (2011) Ionogel Materials for Fluid Control and Sensing in Microfluidic Devices. In: Invited Talk at University Autonoma de Barcelona, Spain, 10/02/2011, CNM, University Autonoma de Barcelona, Spain.

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Abstract

Photo-responsive materials are of great interest as functional materials since actuation can be controlled by simple light irradiation, without physical contact, offering improvements in versatility during manifold fabrication, and control of actuation. We have investigated the potential use of spiropyran-modified ionogels, figure 1a, for controlling fluid within microfluidic channels. In particular, ionic liquids are rarely used in optical sensors in spite of their excellent chemical and thermal stabilities, low vapour pressure, high ionic conductivity and tuneable hydrophobic and hydrophilic nature. We have incorporated sensing moieties into ionogels for the generation of a barcode system based on microfluidics that monitors the pH of sweat generated during an exercise period in real time.

Item Type:Conference or Workshop Item (Invited Talk)
Event Type:Workshop
Refereed:No
Uncontrolled Keywords:ionogels, ionic liquids, pH, sweat, sport
Subjects:Biological Sciences > Microfluidics
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Science and Health > School of Chemical Sciences
Research Initiatives and Centres > National Centre for Sensor Research (NCSR)
Research Initiatives and Centres > CLARITY: The Centre for Sensor Web Technologies
Funders:Science Foundation Ireland under grant 07/CE/I1147 , Research Career Start Programme 2010 fellowship form Dublin City University
ID Code:16220
Deposited On:24 Mar 2011 09:38 by Fernando Benito-Lopez. Last Modified 11 Apr 2011 15:15

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