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Types of Reversible Electrodes

Types of Reversible Electrodes

For electrode reversibility to be maintained, all the reactants and products involved in the half-reaction must be present at the electrode. There are several types of reversible electrodes (half-cells).In metal-metal-ion electrodes, a metal balances electrochemically with a solution of its own ions. Examples are Cu2+|Cu and Zn2+|Zn. Metals that react with the solvent, like group 1 and most group 2 metals, which react with water, and zinc, which reacts with aqueous acidic solutions, cannot be...

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Related Experiment Video

Updated: Jun 22, 2026

Using the Electroretinogram to Assess Function in the Rodent Retina and the Protective Effects of Remote Limb Ischemic Preconditioning

Using the Electroretinogram to Assess Function in the Rodent Retina and the Protective Effects of Remote Limb Ischemic Preconditioning

Published on: June 9, 2015

Electroretinographic wet electrode.

Federico Carpi¹, Gabriella Benini, Franca Tomei

¹Interdepartmental Research Center E. Piaggio, School of Engineering, University of Pisa, Pisa, Italy. f.carpi@ing.unipi.it

Medical Engineering & Physics

|June 9, 2009

Summary

This summary is machine-generated.

A novel

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Last Updated: Jun 22, 2026

Using the Electroretinogram to Assess Function in the Rodent Retina and the Protective Effects of Remote Limb Ischemic Preconditioning

Using the Electroretinogram to Assess Function in the Rodent Retina and the Protective Effects of Remote Limb Ischemic Preconditioning

Published on: June 9, 2015

Direct-Coupled Electroretinogram (DC-ERG) for Recording the Light-Evoked Electrical Responses of the Mouse Retinal Pigment Epithelium

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Transretinal ERG Recordings from Mouse Retina: Rod and Cone Photoresponses

Transretinal ERG Recordings from Mouse Retina: Rod and Cone Photoresponses

Published on: March 14, 2012

Area of Science:

Ophthalmology
Biomedical Engineering
Neuroscience

Background:

Electroretinography (ERG) is crucial for assessing retinal function.
Standard ERG electrodes can cause discomfort due to direct ocular contact.
Existing comfortable electrodes (cutaneous) are not standard for ERG.

Purpose of the Study:

To systematically characterize a new non-contact 'wet' electroretinographic (ERG) electrode.
To evaluate the comfort and efficacy of the wet electrode compared to standard and comfortable alternatives.

Main Methods:

The new 'wet' electrode utilizes a conducting liquid interface, avoiding direct ocular contact.
ERG responses were recorded from 10 volunteers using the wet electrode.
Comparisons were made against a standard conjunctival (HK loop) and a comfortable cutaneous (cup) electrode.

Main Results:

The wet electrode effectively detected morphologically accurate ERG responses.
ERG amplitudes were analogous to the conjunctival electrode and higher than the cutaneous electrode.
Key properties include no ocular contact, no anesthesia requirement, safety, and stability.

Conclusions:

The wet electrode offers a comfortable, safe, and stable alternative for ERG testing.
It demonstrates efficacy comparable to standard electrodes without direct ocular contact.
Potential use as an additional tool for short-duration ERG procedures, despite potential liquid discomfort or leakage.