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

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...

Coulometry: Overview

Coulometry: Overview

Coulometry is one of the rapid, most accurate, and precise analytical techniques that determine the quantity of an analyte by measuring the electrical charge needed for its complete electrolysis without using any analytical standards. The total charge passed during electrolysis correlates with the analyte amount by Faraday's laws of electrolysis. For accurate coulometric measurements, a charge equal to Faraday's constant multiplied by the number of electrons involved in the relevant...

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,...

Electrogravimetric Analysis: Overview

Electrogravimetric Analysis: Overview

Electrogravimetric analysis measures the weight of an analyte deposited electrolytically onto a suitable working electrode. This method involves applying a potential to a pre-weighed electrode submerged in a solution, which results in the desired substance being deposited through reduction at the cathode or oxidation at the anode. The electrode's weight is recorded after deposition, and the difference in weight gives the analyte's weight in the solution.
To test the completeness of the...

Applications of EMF Measurements

Applications of EMF Measurements

Electromotive force (EMF) measurements have a broad range of applications in various fields, including chemistry and physics. The electrochemical series, an arrangement of elements in order of their standard electrode potentials, can be determined through EMF measurements. Elements with lower standard potentials can reduce ions of elements with higher standard potentials.The standard cell potential, E°, allows for the calculation of the standard reaction Gibbs energy, ΔG°, and...

Voltammetry: Factors Affecting Measurements

Voltammetry: Factors Affecting Measurements

A current produced due to the redox reactions of the analyte at the working and auxiliary electrodes is called a faradaic current. The reaction can be divided into two types. The current generated due to the reduction of the analyte is called cathodic current, and it carries a positive charge. In contrast, the current produced by analyte oxidation is known as an anodic current, and it has a negative charge. The applied potential at the working electrode determines the faradaic current flow, and...

You might also read

Related Articles

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

Sort by

Same author

Multi-Wavelength Light-Responsive Metal-Phenolic Network-Based Microrobots for Reactive Species Scavenging.

Advanced materials (Deerfield Beach, Fla.)·2023

Same author

Magnetic Hydrogel Microrobots as Insecticide Carriers for In Vivo Insect Pest Control in Plants.

Small (Weinheim an der Bergstrasse, Germany)·2022

Same author

Hydrogen Bonding Nanoarchitectonics of Organic Pigment-Based Janus Microrobots with Entering Capability into Cancer Cells.

ACS nano·2022

Same author

Radiopaque Nanorobots as Magnetically Navigable Contrast Agents for Localized In Vivo Imaging of the Gastrointestinal Tract.

Advanced healthcare materials·2022

Same author

Swarming Magnetic Microrobots for Pathogen Isolation from Milk.

Small (Weinheim an der Bergstrasse, Germany)·2022

Same author

Molecularly "clicking" active moieties to germanium-based inorganic 2D materials.

Nanoscale·2022

Search research articles

Related Experiment Video

Updated: Apr 26, 2026

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Published on: August 4, 2023

Impact electrochemistry: measuring individual nanoparticles.

Martin Pumera¹

¹Division of Chemistry & Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , 637371 Singapore.

|August 2, 2014

Summary

Researchers developed a new method for detecting individual nanoparticles using electrochemistry. This technique allows for the identification, counting, and sizing of nanoparticles in suspensions, with potential environmental and nanotech applications.

More Related Videos

Author Spotlight: Tracking Electrochemistry on Single Nanoparticles with Surface-Enhanced Raman Scattering Spectroscopy and Microscopy

Author Spotlight: Tracking Electrochemistry on Single Nanoparticles with Surface-Enhanced Raman Scattering Spectroscopy and Microscopy

Published on: May 12, 2023

A Closed-Type Wireless Nanopore Electrode for Analyzing Single Nanoparticles

A Closed-Type Wireless Nanopore Electrode for Analyzing Single Nanoparticles

Published on: March 20, 2019

Related Experiment Videos

Last Updated: Apr 26, 2026

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Published on: August 4, 2023

Author Spotlight: Tracking Electrochemistry on Single Nanoparticles with Surface-Enhanced Raman Scattering Spectroscopy and Microscopy

Author Spotlight: Tracking Electrochemistry on Single Nanoparticles with Surface-Enhanced Raman Scattering Spectroscopy and Microscopy

Published on: May 12, 2023

A Closed-Type Wireless Nanopore Electrode for Analyzing Single Nanoparticles

A Closed-Type Wireless Nanopore Electrode for Analyzing Single Nanoparticles

Published on: March 20, 2019

Area of Science:

Electrochemistry
Nanotechnology
Analytical Chemistry

Background:

Decades of research exist on redox-active ions and molecules.
The electrochemistry of individual nanoparticles remains largely unexplored.

Purpose of the Study:

To report the direct electrochemical detection of individual carbon C60 nanoparticles.
To introduce a simple, highly sensitive technique for nanoparticle analysis.

Main Methods:

Direct electrochemical detection of impacting carbon C60 nanoparticles.
Utilizing a non-aqueous solution for nanoparticle analysis.

Main Results:

Successful detection and counting of individual nanoparticles.
The method determines nanoparticle type, size, and concentration.

Conclusions:

This study opens possibilities for detecting various redox-active nanoparticles.
Potential applications include environmental monitoring and nanomachinery detection.