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

Transport Number

Transport Number

The transport number is the fraction of the total current carried by an ion in an electrolyte solution. It is defined as the ratio of the current carried by a specific ion to the total current flowing through the solution. The transport number, t, is central to understanding ionic mobility, which describes how fast an ion moves under the influence of an electric field. This link connects the physical behavior of ions in solution to the chemical processes that occur during electrochemical...

Interfacial Electrochemical Methods: Overview

Interfacial Electrochemical Methods: Overview

Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current passing...

Pharmacokinetic Models: Comparison and Selection Criterion

Pharmacokinetic Models: Comparison and Selection Criterion

Physiological and compartmental models are valuable tools used in studying biological systems. These models rely on differential equations to maintain mass balance within the system, ensuring an accurate representation of the dynamic processes at play.
Physiological models take a detailed approach by considering specific molecular processes. They can predict drug distribution, metabolism, and elimination changes, providing a comprehensive understanding of how drugs interact with the body.

Electrophoresis: Overview

Electrophoresis: Overview

Electrophoresis is a powerful analytical separation technique that relies on the differential migration of charged species when subjected to an electric field. The core strength of electrophoresis lies in its ability to separate high-molecular-weight species in complex mixtures. It has found widespread use in biochemistry, molecular biology, and analytical chemistry, allowing the separation of compounds like amino acids, nucleotides, carbohydrates, and proteins with excellent resolution.
There...

Electrochemical Systems

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...

Processes at Electrodes

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...

You might also read

Related Articles

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

Sort by

Same author

Augmented and Virtual Reality in Open Neurovascular Surgery: A Systematic Review of the Literature.

World neurosurgery·2025

Same author

The relationships between spinal amplitude of movement, pain and disability in low back pain: A systematic review and meta-analysis.

European journal of pain (London, England)·2023

Same author

Somatosensory attentional modulations during pain-related movement execution.

Experimental brain research·2020

Same author

Attentional processing of itch.

Psychological research·2017

Same author

Hypervigilance for innocuous tactile stimuli in patients with fibromyalgia: an experimental approach.

European journal of pain (London, England)·2014

Same author

Effects of mindfulness and distraction on pain depend upon individual differences in pain catastrophizing: an experimental study.

European journal of pain (London, England)·2014

Search research articles

Related Experiment Video

Updated: Jun 25, 2026

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Published on: August 4, 2023

Ion transport models for electroanalytical simulation. 1. Theoretical comparison.

S Van Damme¹, N Smets, D De Wilde

¹Research Group Electrochemical and Surface Engineering, Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussel, Belgium. stvdamme@vub.ac.be

The Journal of Physical Chemistry. B

|March 6, 2009

Summary

This summary is machine-generated.

This study compares ion transport models for electrodeposition, finding the rigorous phenomenological model with mean spherical approximation (MSA) offers greater accuracy than pseudoideal models used in commercial tools.

More Related Videos

Application of Electrophysiology Measurement to Study the Activity of Electro-Neutral Transporters

Application of Electrophysiology Measurement to Study the Activity of Electro-Neutral Transporters

Published on: February 3, 2018

T-wave Ion Mobility-mass Spectrometry: Basic Experimental Procedures for Protein Complex Analysis

T-wave Ion Mobility-mass Spectrometry: Basic Experimental Procedures for Protein Complex Analysis

Published on: July 31, 2010

Related Experiment Videos

Last Updated: Jun 25, 2026

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Published on: August 4, 2023

Application of Electrophysiology Measurement to Study the Activity of Electro-Neutral Transporters

Application of Electrophysiology Measurement to Study the Activity of Electro-Neutral Transporters

Published on: February 3, 2018

T-wave Ion Mobility-mass Spectrometry: Basic Experimental Procedures for Protein Complex Analysis

T-wave Ion Mobility-mass Spectrometry: Basic Experimental Procedures for Protein Complex Analysis

Published on: July 31, 2010

Area of Science:

Electrochemistry
Physical Chemistry
Chemical Engineering

Background:

Accurate ion transport modeling is crucial for electrodeposition simulations.
Commercial electroanalytical tools often rely on simplified pseudoideal solution models.
More rigorous models are needed for precise prediction of electrochemical phenomena.

Purpose of the Study:

To compare the predictive accuracy of two distinct ion transport models.
To evaluate the performance of the pseudoideal solution model against a more rigorous phenomenological model.
To assess the impact of using mean spherical approximation (MSA) for calculating coefficients in ion transport models.

Main Methods:

Computed limiting current density for electrodeposition on a rotating disk electrode.
Employed a pseudoideal solution model.
Utilized linear phenomenological equations with activity and Onsager coefficients calculated via the mean spherical approximation (MSA).

Main Results:

The pseudoideal solution model, common in commercial software, was evaluated.
The rigorous phenomenological model incorporating MSA demonstrated a more detailed approach to ion transport.
Differences in predicted limiting current density between the models were observed, highlighting the impact of model choice.

Conclusions:

The rigorous phenomenological model with MSA provides a more accurate representation of ion transport compared to pseudoideal models.
Model selection significantly impacts the simulation results of electrodeposition processes.
Further validation of advanced ion transport models is warranted for improved electroanalytical simulations.