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

Interfacial Electrochemical Methods: Overview01:06

Interfacial Electrochemical Methods: Overview

1.1K
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...
1.1K
Electrochemical Systems01:24

Electrochemical Systems

157
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,...
157
Processes at Electrodes01:30

Processes at Electrodes

91
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...
91
The Electrical Double Layer01:30

The Electrical Double Layer

207
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...
207

You might also read

Related Articles

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

Sort by
Same author

Pt@Fe-MIL-88 Enabled Natural-Enzyme-Free Dual-Mode Assay for Highly Selective Detection of Glyphosate.

Journal of agricultural and food chemistry·2026
Same author

Oxygen vacancy-mediated photothermal CO<sub>2</sub> methanation over Ni/Ce-Zr solid solution catalysts.

Journal of colloid and interface science·2026
Same author

A Guanine Ribonucleotide Atypically Adaptive to the <i>Syn</i> Glycosidic Conformation in a Human Telomeric DNA-TERRA RNA Hybrid G-Quadruplex with (3 + 1) Mixed Strand Orientations Studied by NMR.

Journal of the American Chemical Society·2026
Same author

Long-Term Effects of Exercise During Pregnancy on the Metabolic Health of Mothers with Overweight/Obesity and Their Offspring: An 8- to 10-Year Follow-Up Study.

Advances in therapy·2026
Same author

Analysis of drug use and expenditure of conventional and biological disease-modifying anti-rheumatic drugs: a study from Northwest China.

Clinical rheumatology·2026
Same author

Comparison of Weekly Training Loads in Division I Lacrosse Athletes Using Hormonal Contraceptives Versus Nonusers.

Journal of strength and conditioning research·2026

Related Experiment Video

Updated: Apr 18, 2026

Nanoscale Characterization of Liquid-Solid Interfaces by Coupling Cryo-Focused Ion Beam Milling with Scanning Electron Microscopy and Spectroscopy
11:03

Nanoscale Characterization of Liquid-Solid Interfaces by Coupling Cryo-Focused Ion Beam Milling with Scanning Electron Microscopy and Spectroscopy

Published on: July 14, 2022

4.3K

Microscopic imaging of electrical current distribution at the electrode-electrolyte interface.

Wenyan Jia, Jiamin Wu, Di Gao

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |January 9, 2015
    PubMed
    Summary

    This study introduces a novel fluorescent imaging technique to visualize electrical current distribution on bioelectrodes. This method aids in optimizing bioelectrode design by observing microscopic current flow at the electrode-electrolyte interface.

    More Related Videos

    Probing Surface Electrochemical Activity of Nanomaterials using a Hybrid Atomic Force Microscope-Scanning Electrochemical Microscope AFM-SECM
    08:31

    Probing Surface Electrochemical Activity of Nanomaterials using a Hybrid Atomic Force Microscope-Scanning Electrochemical Microscope AFM-SECM

    Published on: February 10, 2021

    7.7K
    AC Electrokinetic Phenomena Generated by Microelectrode Structures
    20:38

    AC Electrokinetic Phenomena Generated by Microelectrode Structures

    Published on: July 28, 2008

    12.0K

    Related Experiment Videos

    Last Updated: Apr 18, 2026

    Nanoscale Characterization of Liquid-Solid Interfaces by Coupling Cryo-Focused Ion Beam Milling with Scanning Electron Microscopy and Spectroscopy
    11:03

    Nanoscale Characterization of Liquid-Solid Interfaces by Coupling Cryo-Focused Ion Beam Milling with Scanning Electron Microscopy and Spectroscopy

    Published on: July 14, 2022

    4.3K
    Probing Surface Electrochemical Activity of Nanomaterials using a Hybrid Atomic Force Microscope-Scanning Electrochemical Microscope AFM-SECM
    08:31

    Probing Surface Electrochemical Activity of Nanomaterials using a Hybrid Atomic Force Microscope-Scanning Electrochemical Microscope AFM-SECM

    Published on: February 10, 2021

    7.7K
    AC Electrokinetic Phenomena Generated by Microelectrode Structures
    20:38

    AC Electrokinetic Phenomena Generated by Microelectrode Structures

    Published on: July 28, 2008

    12.0K

    Area of Science:

    • Biomedical Engineering
    • Electrochemistry
    • Materials Science

    Background:

    • Understanding electrical current distribution at the electrode-electrolyte interface is crucial for optimizing bioelectrode performance.
    • Current visualization methods are limited in their ability to observe microscopic current flow at the active electrode area.

    Purpose of the Study:

    • To develop and demonstrate a novel method for directly visualizing electrical current distribution at the electrode-electrolyte interface of bioelectrodes.
    • To provide a new tool for the optimization of bioelectrode design.

    Main Methods:

    • Coating bioelectrodes with a voltage-responsive fluorescent material.
    • Applying an electric potential to activate fluorescent material release.
    • Acquiring images of the fluorescent material at the electrode-electrolyte interface using a camera.

    Main Results:

    • Successfully visualized microscopic electrical current distribution at the active area of the bioelectrode.
    • Demonstrated the feasibility of the fluorescent imaging method through computational and experimental data.

    Conclusions:

    • The developed fluorescent imaging method offers a new capability for observing electrical current distribution in bioelectrodes.
    • This technique has the potential to significantly aid in the design and optimization of bioelectrodes for various applications.