Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

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

Light slows down carbon nanotubes in water.

Nature·2026
Same author

Electrostatic screening in nanotubes: a tubular response function framework.

Faraday discussions·2026
Same author

Spiers Memorial Lecture: Breakdown of universality in angstrom-scale flows.

Faraday discussions·2026
Same author

Electron-electrolyte coupling in AC transport through nanofluidic channels.

The Journal of chemical physics·2026
Same author

A self-limiting mechanotransduction feedback loop ensures robust organ formation.

bioRxiv : the preprint server for biology·2025
Same author

Resonant osmotic diodes for voltage-induced water filtration across composite membranes.

Nature materials·2025

Related Experiment Video

Updated: Aug 28, 2025

A Microfluidic-based Hydrodynamic Trap for Single Particles
10:13

A Microfluidic-based Hydrodynamic Trap for Single Particles

Published on: January 21, 2011

16.8K

Interaction confinement and electronic screening in two-dimensional nanofluidic channels.

Nikita Kavokine1, Paul Robin2, Lydéric Bocquet2

  • 1Center for Computational Quantum Physics, Flatiron Institute, 162 5th Avenue, New York, New York 10010, USA.

The Journal of Chemical Physics
|September 22, 2022
PubMed
Summary

Researchers developed a new method to calculate ion interactions in nanoscale channels. This allows tuning ion transport by modifying channel wall electronic properties, impacting fluid dynamics in biological and industrial applications.

More Related Videos

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles
11:13

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles

Published on: March 13, 2016

10.8K
Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
10:56

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

12.2K

Related Experiment Videos

Last Updated: Aug 28, 2025

A Microfluidic-based Hydrodynamic Trap for Single Particles
10:13

A Microfluidic-based Hydrodynamic Trap for Single Particles

Published on: January 21, 2011

16.8K
Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles
11:13

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles

Published on: March 13, 2016

10.8K
Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
10:56

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

12.2K

Area of Science:

  • Physical Chemistry
  • Nanotechnology
  • Materials Science

Background:

  • Nanoscale fluid transport is crucial for biological and industrial processes.
  • Confined electrolytes in nanoscale channels exhibit enhanced ion interactions due to dielectric contrast, termed 'interaction confinement'.
  • Existing methods for calculating confined interactions are limited to ideal metallic or insulating channel walls.

Purpose of the Study:

  • To introduce a novel formalism for computing effective Coulomb interactions in confined electrolytes.
  • To enable precise tuning of ionic interactions based on channel wall electronic structure.
  • To explore the impact of wall material properties on nanoscale ion transport.

Main Methods:

  • Developed a formalism using surface response functions to describe effective Coulomb interactions.
  • Incorporated the formalism into Brownian dynamics simulations.
  • Analyzed ionic conduction in strongly confined electrolytes.

Main Results:

  • The new formalism accurately calculates confined Coulomb interactions based on wall electronic structure.
  • Ionic interactions in nanometer-wide channels can be tuned by the wall material's screening length.
  • Simulations showed ionic conduction can transition between Ohm's law and Wien effect behavior.

Conclusions:

  • The developed formalism provides a quantitative approach to understanding and controlling nanoscale ion transport.
  • Channel wall electronic properties offer a tunable parameter for manipulating ion transport.
  • This work has implications for designing advanced filtration systems and understanding biological ion channels.