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

Shunt Admittances01:26

Shunt Admittances

498
Shunt admittances play a crucial role in the analysis of transmission lines, particularly for three-phase systems with neutral conductors. When a uniformly charged conductor is positioned above the Earth, it induces an equal but opposite charge on its surface. This interaction creates electric field lines between the conductor and the Earth.
To model this effect, the method of images is employed. This method involves replacing the Earth with an image conductor that mirrors the original...
498
Impedances and Admittance01:23

Impedances and Admittance

1.9K
In the realm of AC circuits, passive circuit elements like resistors, inductors, and capacitors take on a different character when characterized by phasor voltage and current. Their behavior is expressed through impedance, a vital concept in AC circuit analysis.
Impedance is a measure of resistance to sinusoidal current flow in an AC circuit. Unlike their behavior in DC circuits, where inductors appear as short circuits and capacitors as open circuits, the behavior of these components in AC...
1.9K
pH Scale02:41

pH Scale

79.7K
Hydronium and hydroxide ions are present both in pure water and in all aqueous solutions, and their concentrations are inversely proportional as determined by the ion product of water (Kw). The concentrations of these ions in a solution are often critical determinants of the solution’s properties and the chemical behaviors of its other solutes. Two different solutions can differ in their hydronium or hydroxide ion concentrations by a million, billion, or even trillion times. A common means of...
79.7K
Conduction System of the Heart01:19

Conduction System of the Heart

13.4K
Autorhythmicity is a term that refers to the heart's inherent ability to generate electrical signals and instigate muscle contractions. This self-regulating conduction system within the heart consists of two key components: the pacemaker cells and specialized conducting cells.
The pacemaker cells are located in two primary nodes: the sinoatrial (SA) node and the atrioventricular (AV) node. The SA node pacemaker cells can autonomously depolarize, triggering an action potential that leads to the...
13.4K
Conduction System of the Heart01:20

Conduction System of the Heart

3.8K
The cardiac conduction system produces and transmits electrical impulses that prompt myocardial contraction, ensuring efficient heart function. This intricate system ensures that the heart beats in a coordinated and efficient manner, beginning with the atria and then the ventricles. The conduction system optimizes cardiac output by maintaining this precise sequence, which is crucial for adequate blood circulation.
This system relies on the unique properties of nodal and Purkinje cells:...
3.8K
Conduct Disorder01:28

Conduct Disorder

567
Conduct disorder is a complex mental health diagnosis characterized by a repetitive and persistent pattern of behavior that violates societal norms, the rights of others, or age-appropriate rules. The diagnostic criteria for conduct disorder require the presence of at least three problematic behaviors within the past 12 months, with at least one occurring in the past six months. These behaviors are grouped into four categories: aggression toward people and animals; destruction of property;...
567

You might also read

Related Articles

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

Sort by
Same author

Determination of fluorine in lithium cobalt oxide samples by acid digestion-ion chromatography - A preliminary study.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences·2026
Same author

An efficient mid-infrared computational spectrometer based on synergistic microcavity-coupled photonic crystal waveguides.

Nature communications·2026
Same author

Continuous Hydrogen Sulfide Monitor Based on Positive Fluorescence Green Chemistry. Application to Geothermal Powerplant Environmental Impact Assessment.

ACS omega·2026
Same author

Low flow liquid flowmetry. A tutorial review.

Talanta·2026
Same author

Electrodialytic eluent generators for ion chromatography: A comprehensive review.

Talanta·2026
Same author

Polyetheretherketone (PEEK)-based open tubular ion chromatography for perchlorate detection.

Journal of chromatography. A·2026

Related Experiment Video

Updated: Feb 2, 2026

Large-scale Top-down Proteomics Using Capillary Zone Electrophoresis Tandem Mass Spectrometry
10:05

Large-scale Top-down Proteomics Using Capillary Zone Electrophoresis Tandem Mass Spectrometry

Published on: October 24, 2018

10.1K

Capillary Scale Admittance and Conductance Detection.

Weixiong Huang1, Bikash Chouhan1, Purnendu K Dasgupta1

  • 1Department of Chemistry and Biochemistry , University of Texas at Arlington , Arlington , Texas 76019-0065 , United States.

Analytical Chemistry
|November 23, 2018
PubMed
Summary

Contact conductivity detection offers a linear response for ion chromatography, unlike nonlinear admittance methods. New cell designs show promise for competitive limits of detection in suppressed open tubular ion chromatography (SOTIC).

More Related Videos

Visual Detection of Multiple Nucleic Acids in a Capillary Array
08:56

Visual Detection of Multiple Nucleic Acids in a Capillary Array

Published on: November 15, 2017

7.7K
Capillary Electrophoresis Separation of Monoclonal Antibody Isoforms Using a Neutral Capillary
14:53

Capillary Electrophoresis Separation of Monoclonal Antibody Isoforms Using a Neutral Capillary

Published on: January 16, 2017

13.3K

Related Experiment Videos

Last Updated: Feb 2, 2026

Large-scale Top-down Proteomics Using Capillary Zone Electrophoresis Tandem Mass Spectrometry
10:05

Large-scale Top-down Proteomics Using Capillary Zone Electrophoresis Tandem Mass Spectrometry

Published on: October 24, 2018

10.1K
Visual Detection of Multiple Nucleic Acids in a Capillary Array
08:56

Visual Detection of Multiple Nucleic Acids in a Capillary Array

Published on: November 15, 2017

7.7K
Capillary Electrophoresis Separation of Monoclonal Antibody Isoforms Using a Neutral Capillary
14:53

Capillary Electrophoresis Separation of Monoclonal Antibody Isoforms Using a Neutral Capillary

Published on: January 16, 2017

13.3K

Area of Science:

  • Analytical Chemistry
  • Separation Science

Background:

  • Admittance detection, commonly capacitively coupled contactless conductivity detection, is widely used but exhibits nonlinear responses with concentration.
  • True solution conductance offers a linear response, but its application in conventional capillaries has been limited for two decades.
  • Suppressed open tubular ion chromatography (SOTIC) presents challenges due to highly resistive solutions and small-bore capillaries, where admittance signals become exponentially related to concentration.

Purpose of the Study:

  • To investigate solution contact cell geometries for true conductivity measurements in conventional capillaries.
  • To compare the performance of different cell designs in SOTIC setups.
  • To assess the linearity and potential limits of detection (LODs) of contact conductivity detection.

Main Methods:

  • Examined five distinct solution contact cell geometries (A-E) for conductivity detection.
  • Evaluated cell performance in a suppressed open tubular ion chromatography (SOTIC) system using chloride as a test analyte.
  • Measured signal linearity with concentration and determined separation efficiency (plates/m).

Main Results:

  • Cell designs A and B were unsuitable due to high dispersion.
  • Cell designs C, D, and E achieved comparable efficiencies of 12000 ± 200 plates/m in SOTIC.
  • All tested contact conductance results demonstrated linearity with concentration.
  • Initial findings suggest competitive LODs compared to conventional benchtop ion chromatographs.

Conclusions:

  • Solution contact conductivity detection is viable for conventional capillaries, offering linear responses.
  • Cell designs C-E are promising for SOTIC applications, with performance limited by suppressor dispersion.
  • Further improvements in suppressor technology could enhance the capabilities of contact conductivity detection.