Stabilization of Ion Concentration Polarization Using a Heterogeneous Nanoporous Junction
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Han_Stabilization of Ion.pdf
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Author(s)
Kim, Pilnam
Kim, Sung Jae
Han, Jongyoon
Suh, Kahp Y.
Date Issued
December 2009
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
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.
MIT Department
Massachusetts Institute of Technology. Department of Biological Engineering
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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Creative Commons Attribution-Noncommercial-Share Alike 3.0
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DOI of Published Version
https://doi.org/10.1021/nl9023319
