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

The Electrical Double Layer01:30

The Electrical Double Layer

In the region where two bulk phases meet, an intricate electric charge distribution arises due to charge transfer, ion adsorption, molecular orientation, and charge distortion. This complex distribution is commonly referred to as the electrical double layer.When a solid electrode interfaces with ions in an electrolyte solution, the speed of electron transfer dictates the rates of oxidation and reduction. The electrode acquires a charge through the escape of atoms into the solution as cations or...
Electrostatic Boundary Conditions in Dielectrics01:27

Electrostatic Boundary Conditions in Dielectrics

When an electric field passes from one homogeneous medium to another, crossing the boundary between the two mediums imparts a discontinuity in the electric field. This results in electrostatic boundary conditions that depend on the type of mediums the field propagates through.
Consider a case where both the mediums across a boundary are two different dielectric materials. Recall that the electric field and electric displacement are proportional and related through the material's permittivity.
Electrochemical Systems01:24

Electrochemical Systems

Electrochemical systems provide a fascinating insight into the dynamic interplay of charged species within various phases. One notable example is the interaction between a membrane permeable to K⁺ ions but not to Cl⁻ ions, separating an aqueous KCl solution from pure water. As K⁺ ions diffuse through the membrane, they generate net charges on each phase, leading to a potential difference between them.Similarly, when a piece of Zn is immersed in an aqueous ZnSO₄ solution, the Zn metal, composed...
Theory of Strong Electrolytes01:23

Theory of Strong Electrolytes

The interionic forces of the strong electrolytes depend on the solvent's dielectric constant, which is the ability of a solvent to store electrical energy, based on its polarizability. and the solution's concentration. In high-dielectric solvents and in dilute solutions, weak electrostatic forces keep ions apart. However, in low-dielectric solvents or concentrated solutions, stronger interionic forces may cause ions to pair up as ionic doublets despite being fully ionized. The theory of strong...
Processes at Electrodes01:30

Processes at Electrodes

The electrode interacts with ions in the electrolyte solution at its interface. The rate of oxidation and reduction depends on the speed at which electrons can transfer through this interface. As ions attach to or leave the electrode surface, the electrode acquires a charge, and an electrical potential forms across the interface, making the process more difficult to reach equilibrium. The charge on the electrode affects the local ion concentrations in the solution, though thermal motion...
Boundary Conditions for Current Density01:25

Boundary Conditions for Current Density

Current density becomes discontinuous across an interface of materials with different electrical conductivities. The normal component of the current density is continuous across the boundary.

You might also read

Related Articles

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

Sort by
Same author

Exploring the depth profile of low-pressure plasma-treated PDMS by VUV spectroscopic ellipsometry.

The Journal of chemical physics·2026
Same author

Catalytic oxygen generation and drug delivery via manganese dioxide nanoparticles to enhance radiotherapy in glioblastoma.

International journal of pharmaceutics·2026
Same author

Bottom-Up Programming of Cell States in Cancer Organoids with Defined Synthetic Adhesion Cues.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Conductive Hydrogels for Exogenous Sensing and Cell Fate Control.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Cells Dynamically Adapt Their Nuclear Volumes and Proliferation Rates During Single to Multicellular Transitions.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Mineralized Cryogel/Hydrogel Constructs to Recapitulate Early Breast Cancer Bone Metastasis In Vitro.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same journal

Controlled Secondary Growth of CAU-1-NH<sub>2</sub> Membranes with Improved CO<sub>2</sub> Separation Performance.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Facile Fabrication and Stable Mechanism of a Microscale Heavy Calcium Carbonate Suspension.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Polycationic Biocidal Coatings: The Mechanism of Their Interaction with Cells.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Atomic-Scale Displacement in Ordered SmMnO<sub>3</sub> Nanoislands.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Vacancy Defect Modulated Interfacial Thermal Transport and Phonon Localization in AlGaN/GaN Heterojunctions.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Immobilization of Ytterbium via Polyphenol Chemistry on Implant Materials for Enhanced Cytocompatibility and Antibacterial Properties.

Langmuir : the ACS journal of surfaces and colloids·2026
See all related articles

Related Experiment Video

Updated: May 31, 2026

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions
08:41

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions

Published on: September 7, 2018

Electrohydrodynamics of soft polyelectrolyte multilayers: point of zero-streaming current.

Jérôme F L Duval1, David Küttner, Carsten Werner

  • 1Laboratoire Environnement et Minéralurgie, Nancy Université, CNRS UMR 7569, 15 avenue du Charmois, B.P. 40, 54501 Vandoeuvre-lès-Nancy, cedex France. jerome.duval@ensg.inpl-nancy.fr

Langmuir : the ACS Journal of Surfaces and Colloids
|July 19, 2011
PubMed
Summary
This summary is machine-generated.

A new formalism models streaming current in multilayered polyelectrolyte films, revealing how electrolyte concentration and film properties influence the point of zero streaming current (PZSC). This work advances understanding of electrokinetic phenomena in complex soft materials.

More Related Videos

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids
10:03

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids

Published on: September 30, 2014

AC Electrokinetic Phenomena Generated by Microelectrode Structures
20:38

AC Electrokinetic Phenomena Generated by Microelectrode Structures

Published on: July 28, 2008

Related Experiment Videos

Last Updated: May 31, 2026

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions
08:41

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions

Published on: September 7, 2018

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids
10:03

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids

Published on: September 30, 2014

AC Electrokinetic Phenomena Generated by Microelectrode Structures
20:38

AC Electrokinetic Phenomena Generated by Microelectrode Structures

Published on: July 28, 2008

Area of Science:

  • Physical Chemistry
  • Materials Science
  • Surface Science

Background:

  • Electrokinetic phenomena, specifically streaming current (I(str)), are crucial for understanding soft matter interfaces.
  • Existing models for soft films often lack the generality to describe complex multilayered structures.
  • Soft multilayered polyelectrolyte films possess unique properties due to variations in charge density, thickness, and softness across layers.

Purpose of the Study:

  • To develop a comprehensive theoretical formalism for calculating streaming current in soft multilayered polyelectrolyte films.
  • To investigate the influence of film architecture and solution conditions on electrokinetic behavior.
  • To provide a flexible model applicable to various layer configurations and material properties.

Main Methods:

  • Development of a generalized mathematical formalism for electrokinetics in multilayered soft films.
  • Extension of a previously reported model for monolayered soft films.
  • Simulations of streaming current for a two-layer cationic/anionic polymer assembly across varying pH and electrolyte concentrations.

Main Results:

  • The model accurately describes streaming current in multilayered films, including limiting cases of hard and free-draining films.
  • The point of zero streaming current (PZSC) in soft multilayered films is shown to be dependent on electrolyte concentration.
  • The shift in PZSC with salinity is governed by layer dissymmetry, ionizable group density, film thickness, and hydrodynamic softness.

Conclusions:

  • The developed formalism provides a robust framework for analyzing electrokinetics in complex soft multilayered systems.
  • Understanding the factors influencing PZSC is critical for designing and controlling interfacial properties in polyelectrolyte assemblies.
  • Experimental validation using systems like PEI/PAA bilayers and polymer-cushioned lipid membranes supports the theoretical predictions.