Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Conductivity of concentrated salt solutions.

The Journal of chemical physics·2025

Same author

Surface potentials of conductors in electrolyte solutions.

The Journal of chemical physics·2024

Same author

Electrophoresis of ions and electrolyte conductivity: From bulk to nanochannels.

The Journal of chemical physics·2023

Same author

Enhanced transport of ions by tuning surface properties of the nanochannel.

Physical review. E·2021

Same author

Surface and zeta potentials of charged permeable nanocoatings.

The Journal of chemical physics·2021

Same author

Light-induced manipulation of passive and active microparticles.

The European physical journal. E, Soft matter·2021

Search research articles

Related Experiment Video

Updated: Feb 15, 2026

Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications

Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications

Published on: August 15, 2018

Advective superdiffusion in superhydrophobic microchannels.

Tatiana V Nizkaya¹, Evgeny S Asmolov^1,2, Olga I Vinogradova^1,3,4

¹A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Science, 31 Leninsky Prospect, 119071 Moscow, Russia.

Physical Review. E

|January 20, 2018

Summary

Transverse shear in microchannels induces advective superdiffusion, enhancing particle dispersion. This method offers efficient mixing for smaller particles or thinner channels compared to existing techniques.

More Related Videos

Author Spotlight: Revolutionizing Microfluidics Through Microchannel Fabrication on Nanopaper

Author Spotlight: Revolutionizing Microfluidics Through Microchannel Fabrication on Nanopaper

Published on: October 6, 2023

Procedure for the Development of Multi-depth Circular Cross-sectional Endothelialized Microchannels-on-a-chip

Procedure for the Development of Multi-depth Circular Cross-sectional Endothelialized Microchannels-on-a-chip

Published on: October 21, 2013

Related Experiment Videos

Last Updated: Feb 15, 2026

Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications

Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications

Published on: August 15, 2018

Author Spotlight: Revolutionizing Microfluidics Through Microchannel Fabrication on Nanopaper

Author Spotlight: Revolutionizing Microfluidics Through Microchannel Fabrication on Nanopaper

Published on: October 6, 2023

Procedure for the Development of Multi-depth Circular Cross-sectional Endothelialized Microchannels-on-a-chip

Procedure for the Development of Multi-depth Circular Cross-sectional Endothelialized Microchannels-on-a-chip

Published on: October 21, 2013

Area of Science:

Fluid dynamics
Microfluidics
Particle transport

Background:

Understanding particle dispersion in microfluidic devices is crucial for applications like drug delivery and diagnostics.
Traditional diffusion limits mixing efficiency, especially for small particles or in narrow channels.
Superhydrophobic surfaces offer unique flow control possibilities in microscale systems.

Purpose of the Study:

To investigate the impact of transverse shear from misaligned superhydrophobic walls on Brownian particle spreading in microchannels.
To explore the potential of advective superdiffusion for enhancing particle dispersion and microfluidic mixing.
To identify conditions for optimal particle spreading and compare the proposed method with existing passive mixing strategies.

Main Methods:

Simulating pressure-driven flows in wide microchannels with misaligned superhydrophobic walls.
Analyzing the cross-sectional spreading of Brownian particles under induced transverse shear.
Characterizing particle dispersion regimes, including subballistic and superballistic behavior.

Main Results:

A transverse shear generated by misaligned superhydrophobic walls induces advective superdiffusion.
Advective superdiffusion significantly enhances particle dispersion compared to normal diffusion.
Maximal cross-sectional spreading occurs at a crossover between subballistic and superballistic regimes.

Conclusions:

Advective superdiffusion driven by transverse shear offers a novel method for boosting particle dispersion.
This approach enables efficient mixing at lower Péclet numbers than conventional passive microfluidic mixing.
The superdiffusion scenario facilitates the mixing of smaller particles or the use of thinner microchannels.