Dispersion due to wall interactions in microfluidic separation systems

DOI10.1063/1.2828098zbMath1182.76182OpenAlexW2095013850MaRDI QIDQ5303727

Subhra Datta, Sandip Ghosal

Publication date: 18 March 2010

Published in: Physics of Fluids (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1063/1.2828098

zbMATH Keywords

adsorptiondesorptionmicrochannel flowchemical analysis

Mathematics Subject Classification ID

Fluid mechanics (76-XX)

Related Items (8)

Electromigration dispersion in a capillary in the presence of electro-osmotic flow ⋮ Laminar dispersion at high Péclet numbers in finite-length channels: Effects of the near-wall velocity profile and connection with the generalized Leveque problem ⋮ Temperature-gradient-induced massive augmentation of solute dispersion in viscoelastic micro-flows ⋮ Hydrodynamic dispersion in Hele-Shaw flows with inhomogeneous wall boundary conditions ⋮ Combined electroosmosis-pressure driven flow and mixing in a microchannel with surface heterogeneity ⋮ Dispersion coefficient in an electro-osmotic flow of a viscoelastic fluid through a microchannel with a slowly varying wall zeta potential ⋮ Tuning the dispersion of reactive solute by steady and oscillatory electroosmotic–Poiseuille flows in polyelectrolyte-grafted micro/nanotubes ⋮ Patterned surface charges coupled with thermal gradients may create giant augmentations of solute dispersion in electro-osmosis of viscoelastic fluids

Cites Work

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• The effect of aspect ratio on longitudinal diffusivity in rectangular channels
• The effect of wall interactions in capillary-zone electrophoresis
• Lubrication theory for electro-osmotic flow in a microfluidic channel of slowly varying cross-section and wall charge
• ELECTROKINETIC FLOW AND DISPERSION IN CAPILLARY ELECTROPHORESIS
• Unsteady convective diffusion with interphase mass transfer
• Engineering Flows in Small Devices: Microfluidics Toward a Lab-on-a-Chip

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