Producing fluid flow using 3D carbon electrodes

Moving and manipulating bio-particles and fluids on the microscale is central to many lab-on-a-chip applications. Techniques for pumping fluids which use electric fields have shown promise using both DC and AC voltages. AC techniques, however, require the use of integrated metal electrodes which hav...

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Bibliographic Details
Published in:Journal of physics. Conference series 2008-12, Vol.142 (1), p.012072, Article 012072
Main Authors: Rouabah, H A, Park, B Y, Zaouk, R B, Madou, M J, Green, Nicolas G
Format: Article
Language:English
Subjects:
Carbon
Chemical reactions
Electric fields
Fluid dynamics
Fluid flow
Low resistance
Microelectromechanical systems
Physics
Three dimensional flow
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Summary:Moving and manipulating bio-particles and fluids on the microscale is central to many lab-on-a-chip applications. Techniques for pumping fluids which use electric fields have shown promise using both DC and AC voltages. AC techniques, however, require the use of integrated metal electrodes which have a low resistance but can suffer from unwanted chemical reactions even at low potentials. In this paper we introduce the use of carbon MEMS technology (C-MEMS), a fabrication method which produces 3D conductive polymeric structures. Results are presented of the fabrication of an innovative design of 3D AC-electroosmotic micropump and preliminary experimental measurements which demonstrate the potential of both the technology and the design.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/142/1/012072