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Stabilization of Ion Concentration Polarization Using a Heterogeneous Nanoporous Junction

Author(s)
Kim, Pilnam; Kim, Sung Jae; Han, Jongyoon; Suh, Kahp Y.
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Abstract
We demonstrate a recycled ion-flux through heterogeneous nanoporous junctions, which induce stable ion concentration polarization with an electric field. The nanoporous junctions are based on integration of ionic hydrogels whose surfaces are negatively or positively charged for cationic or anionic selectivity, respectively. Such heterogeneous junctions can be matched up in a way to achieve continuous ion-flux operation for stable concentration gradient or ionic conductance. Furthermore, the combined junctions can be used to accumulate ions on a specific region of the device.
Date issued
2009-12
URI
http://hdl.handle.net/1721.1/73025
Department
Massachusetts Institute of Technology. Department of Biological Engineering; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Journal
Nano Letters
Publisher
American Chemical Society (ACS)
Citation
Kim, Pilnam et al. “Stabilization of Ion Concentration Polarization Using a Heterogeneous Nanoporous Junction.” Nano Letters 10.1 (2010): 16–23.
Version: Author's final manuscript
ISSN
1530-6984
1530-6992

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