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Electrochemical Cells

Electrochemical Cells

Electrochemical cells are systems that convert chemical energy into electrical energy or use electrical energy to drive chemical reactions. They consist of two electrodes in contact with an electrolyte, where redox reactions enable electron transfer. Most electrochemical cells include two half-cells connected by an external wire for electron flow and a salt bridge for ion flow. The salt bridge contains an electrolyte solution and maintains charge neutrality by allowing ions—not...

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Electrophysiological Recording in the Drosophila Embryo

Electrophysiological Recording in the Drosophila Embryo

Published on: May 21, 2009

Electron current recordings in living cells.

Paolo Trost¹, Cristiana Picco², Joachim Scholz-Starke²

¹Department of Pharmacy and Biotechnology (FaBiT), University of Bologna, Via Irnerio 42, 40126 Bologna, Italy.

Biophysical Chemistry

|May 31, 2017

Summary

Researchers are exploring direct measurements of electron currents in living cells, a new frontier beyond studying ion transport. This work details electrophysiological methods for recording these electron flows and their future applications.

Keywords:

Ascorbate Cytochrome b561 Iron Xenopus oocytes

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Last Updated: Mar 1, 2026

Electrophysiological Recording in the Drosophila Embryo

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Published on: May 21, 2009

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Electrophysiological Method for Recording Intracellular Voltage Responses of Drosophila Photoreceptors and Interneurons to Light Stimuli In Vivo

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Published on: June 19, 2016

Area of Science:

Biophysics
Cell Physiology
Molecular Biology

Background:

Living cells utilize electrical properties for vital functions like nutrient uptake, homeostasis, and signaling.
While ion channels and transporters are well-understood, direct measurement of protein-mediated electron currents is an emerging field.

Purpose of the Study:

To review electrophysiological techniques for recording cellular electron currents.
To discuss the future potential of measuring electron transport in biological systems.

Main Methods:

Electrophysiological recordings
Direct electron current measurements
Protein-mediated electron transfer analysis

Main Results:

Established electrophysiological approaches enable the detection of electron currents in biological systems.
The study highlights the nascent stage and significant potential of electron current measurements.

Conclusions:

Direct measurement of electron currents offers a novel perspective on cellular electrical activity.
Advancements in electrophysiology are paving the way for understanding electron transport in fundamental biological processes.