ArticleBiomicrofluidics2010
Dielectrophoretic choking phenomenon in a converging-diverging microchannel.
Article in Biomicrofluidics, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Methods of Generating Dielectrophoretic Force for Microfluidic Manipulation of Bioparticles.ACS biomaterials science & engineering · 2021Review
- AC Insulator-Based Dielectrophoretic Focusing of Particles and Cells in an "Infinite" Microchannel.Analytical chemistry · 2021Article
- Dielectrophoresis: Developments and applications from 2010 to 2020.Electrophoresis · 2021Review
- Numerical Investigation of DC Dielectrophoretic Deformable Particle⁻Particle Interactions and Assembly.Micromachines · 2018Article
- Three-Dimensional Reservoir-Based Dielectrophoresis (rDEP) for Enhanced Particle Enrichment.Micromachines · 2018Article
- Deformability-Based Electrokinetic Particle Separation.Micromachines · 2016Article
- Hydrodynamic particle focusing design using fluid-particle interaction.Biomicrofluidics · 2013Article
- Dielectrophoretic mobility determination in DC insulator-based dielectrophoresis.Electrophoresis · 2011Article
- The effect of flap parameters on fluid rectification in a microfluidic diode.Biomicrofluidics · 2010Article
- Preface to Special Topic: Papers from the 13th International Conference on Surface and Colloid Science (ICSCS) and the 83rd ACS Colloid and Surface Science Symposium, Columbia University, New York, 2009.Biomicrofluidics · 2010Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Experiments show that particles smaller than the throat size of converging-diverging microchannels can sometimes be trapped near the throat. This critical phenomenon is associated with the negative dc dielectrophoresis arising from nonuniform electric fields in the microchannels. A finite-element model, accounting for the particle-fluid-electric field interactions, is employed to investigate the conditions for this dielectrophoretic (DEP) choking in a converging-diverging microchannel for the first time. It is shown quantitatively that the DEP choking occurs for high nonuniformity of electric fields, high ratio of particle size to throat size, and high ratio of particle's zeta potential to that of microchannel.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.