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Novel multifunctional materials based on ionic liquids: on demand micro-valve actuation for lab-on-a-chip applications

Benito-Lopez, Fernando and Byrne, Robert and Raduta, Ana and Diamond, Dermot (2009) Novel multifunctional materials based on ionic liquids: on demand micro-valve actuation for lab-on-a-chip applications. In: μTAS 2009 - 13th International Conference of Miniaturized Systems for Chemistry and Life Science, Micro Total Analysis Systems, 1-5 November 2009, Jeju, Korea.

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Abstract

We present the fabrication, characterization and performance as a micro-valve of four novel materials, ionogels, consisting in a polymeric structure with benzospiro-pyran units and phosphonium based ionic liquids. Each inonogel is photopolymerised in the channels of a poly(methyl methacrylate) microfluidic device generating four different micro-valves. The micro-valves are actuated by simply applying local white light irradiation and each of the micro-valves opens specifically at one particular time. Therefore, flows can be independently controlled by one single light source while the synthesis of ionogels with different ionic liquids enables distinct valve ac-tuation. Moreover, the microfluidic device can be reusable many times.

Item Type:Conference or Workshop Item (Poster)
Event Type:Conference
Refereed:Yes
Uncontrolled Keywords:microfluidic device; ionic liquids; spirobenzopyran; photoresponsive polymer; micro-valve;
Subjects:Engineering > Materials
Engineering > Systems engineering
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
Research Initiatives and Centres > National Centre for Sensor Research (NCSR)
Official URL:http://www.microtas2009.org
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 , IRCSET fellowship number 2089, Science Foundation Ireland, SFI grant 07/CE/I1147
ID Code:15001
Deposited On:08 Apr 2010 11:49 by Fernando Benito-Lopez. Last Modified 08 Apr 2010 11:50

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