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

Standard Electrode Potentials

Standard Electrode Potentials

On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...

Coordination Number and Geometry

Coordination Number and Geometry

For transition metal complexes, the coordination number determines the geometry around the central metal ion. Table 1 compares coordination numbers to molecular geometry. The most common structures of the complexes in coordination compounds are octahedral, tetrahedral, and square planar.

Predicting Molecular Geometry

Predicting Molecular Geometry

VSEPR Theory for Determination of Electron Pair Geometries

Geometry of Hyperbolas

Geometry of Hyperbolas

A hyperbola consists of all points where the absolute difference of distances to two fixed points, called foci, remains constant. The standard equation isEach branch extends infinitely and approaches two asymptotes, which guide the curve’s behavior. The parameters a and b define key features: a measures the distance from the center to each vertex along the transverse axis, while b influences the slopes of the asymptotes. The asymptotes have equationsA rectangle centered at the origin with...

Bipolar Disorder

Bipolar Disorder

Bipolar disorder is a chronic mental health condition marked by significant mood fluctuations, including episodes of mania and depression. Elevated energy levels, heightened mood or irritability, impulsive behavior, reduced sleep needs, rapid speech, racing thoughts, inflated self-esteem, and distractibility characterize mania. Individuals with bipolar disorder often alternate between depressive and manic states, with periods of emotional stability lasting an average of six months to a year.

Moment of Inertia about an Arbitrary Axis

Moment of Inertia about an Arbitrary Axis

The moment of inertia is typically associated with principal axes, but it can also be computed for any random axis. When an arbitrary axis is under consideration, the moment of inertia is determined by integrating the mass distribution of the object along that specific axis. It is crucial in applications like the design of machinery, where components rotate about various axes, and balance and stability are essential.
In this scenario, the perpendicular distance between the chosen arbitrary axis...

You might also read

Related Articles

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

Sort by

Same author

Serum ferritin critical threshold fluctuations predict antipsychotic treatment discontinuation in pediatric Tic disorders: a retrospective cohort study.

Frontiers in pediatrics·2026

Same author

Detection and cross-organ characterization of physiological response to microplastic stress in Panax ginseng based on hyperspectral imaging assisted with machine learning.

Talanta·2026

Same author

HO-1 alleviates lipopolysaccharide-induced acute lung injury in mice by downregulating TFE3 expression and nuclear translocation and suppressing Golgi stress response.

International immunopharmacology·2026

Same author

Immunity-and-matrix-regulatory cells promote hyaline-like cartilage repair in osteoarthritis.

Bioactive materials·2026

Same author

BUI1 coordinates actin cytoskeleton remodeling and ROS homeostasis to confer broad-spectrum disease resistance in rice.

Stress biology·2026

Same author

Optical cooling by interfacial charge transfer in 2D heterostructures.

Nature·2026

Search research articles

Related Experiment Video

Updated: Feb 10, 2026

Simultaneous Recording of Electroretinography and Visual Evoked Potentials in Anesthetized Rats

Simultaneous Recording of Electroretinography and Visual Evoked Potentials in Anesthetized Rats

Published on: July 1, 2016

Visualizing the Zero-Potential Line of Bipolar Electrodes with Arbitrary Geometry.

Meng Li¹, Shasha Liu¹, Yingyan Jiang¹

¹State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210093 , China.

Analytical Chemistry

|May 16, 2018

Summary

This study visualizes surface potential distribution on bipolar electrodes (BPEs) of various shapes using plasmonic imaging. It reveals how electrode geometry influences the line of zero potential, aiding BPE design for sensing and synthesis.

More Related Videos

How to Obtain Reliable Visual Event-related Potentials in Newborns

How to Obtain Reliable Visual Event-related Potentials in Newborns

Published on: October 24, 2019

Fabrication and Visualization of Capillary Bridges in Slit Pore Geometry

Fabrication and Visualization of Capillary Bridges in Slit Pore Geometry

Published on: January 9, 2014

Related Experiment Videos

Last Updated: Feb 10, 2026

Simultaneous Recording of Electroretinography and Visual Evoked Potentials in Anesthetized Rats

Simultaneous Recording of Electroretinography and Visual Evoked Potentials in Anesthetized Rats

Published on: July 1, 2016

How to Obtain Reliable Visual Event-related Potentials in Newborns

How to Obtain Reliable Visual Event-related Potentials in Newborns

Published on: October 24, 2019

Fabrication and Visualization of Capillary Bridges in Slit Pore Geometry

Fabrication and Visualization of Capillary Bridges in Slit Pore Geometry

Published on: January 9, 2014

Area of Science:

Electrochemistry
Surface Science
Nanotechnology

Background:

Bipolar electrochemistry (BPE) involves applying voltage to drive electrodes, creating a potential drop across a solution.
The distribution of this potential and its effect on electrode surfaces are crucial for BPE applications.
Understanding these distributions is key to optimizing BPE performance.

Purpose of the Study:

To experimentally map the surface potential distribution of bipolar electrodes (BPEs) with diverse geometries.
To investigate the influence of electrode shape and external electric fields on the line of zero potential (LZP).
To explore the shift in the line of zero overpotential (LZO) during faradaic reactions.

Main Methods:

Utilized a plasmonic imaging technique to visualize surface potential distribution.
Examined BPEs with various geometries: round, triangle, hexagon, star, and rhombus.
Performed electromagnetic simulations to validate experimental findings.
Investigated faradaic reactions on triangular BPEs to determine LZO shifts.

Main Results:

Successfully mapped the surface potential distribution and determined the LZP for different BPE geometries.
Observed distinct LZP features for triangular and star-shaped BPEs compared to symmetrical geometries.
Experimental results showed good agreement with electromagnetic simulations.
Confirmed a shift in LZO during faradaic reactions on triangular BPEs.

Conclusions:

Demonstrated the first experimental capability to map BPE potential distribution for arbitrary geometries and fields.
The study provides insights into charge balance mechanisms governing potential distribution.
Findings are expected to aid in designing and optimizing BPEs for enhanced chemical sensing and materials synthesis applications.