ArticleBiomicrofluidics2008
Dynamic superconcentration at critical-point double-layer gates of conducting nanoporous granules due to asymmetric tangential fluxes.
Article in Biomicrofluidics, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed.
- Electrokinetic and Electroconvective Effects in Ternary Electrolyte Near Ion-Selective Microsphere.Membranes · 2023Article
- Rapid AC Electrokinetic Micromixer with Electrically Conductive Sidewalls.Micromachines · 2021Article
- Development of microfluidic concentrator using ion concentration polarization mechanism to assist trapping magnetic nanoparticle-bound miRNA to detect with Raman tags.Biomicrofluidics · 2020Article
- Selective dynamic concentration of peptides at poles of cation-selective nanoporous granules.Biomicrofluidics · 2013Article
- Effect of wall permittivity on electroviscous flow through a contraction.Biomicrofluidics · 2011Article
- Focusing and trapping of DNA molecules by head-on ac electrokinetic streaming through join asymmetric polarization.Biomicrofluidics · 2010Article
- Understanding electrokinetics at the nanoscale: A perspective.Biomicrofluidics · 2009Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A transient 10(6)-fold concentration of double-layer counterions by a high-intensity electric field is demonstrated at the exit pole of a millimeter-sized conducting nanoporous granule that permits ion permeation. The phenomenon is attributed to a unique counterion screening dynamics that transforms half of the surface field into a converging one toward the ejecting pole. The resulting surface conduction flux then funnels a large upstream electro-osmotic convective counterion flux into the injecting hemisphere toward the zero-dimensional gate of the ejecting hemisphere to produce the superconcentration. As the concentrated counterion is ejected into the electroneutral bulk electrolyte, it attracts co-ions and produce a corresponding concentration of the co-ions. This mechanism is also shown to trap and concentrate co-ion microcolloids of micron sizes too (macroions) and hence has potential application in bead-based molecular assays.
Identifiers
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Registered trials
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