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

Oxidation of Phenols to Quinones01:17

Oxidation of Phenols to Quinones

In the presence of oxidizing agents, phenols are oxidized to quinones. Quinones can be easily reduced back to phenols using mild reducing agents. The electron-donating hydroxyl group enhances the reactivity of the aromatic ring, enabling oxidation of the ring even in the absence of an α hydrogen.
o-hydroxy phenols are oxidized to o-quinones and p-hydroxy phenols to p-quinones. Such redox reactions involve the transfer of two electrons and two protons. The reversible redox property is crucial in...
Redox Equilibria: Overview01:23

Redox Equilibria: Overview

A reduction-oxidation reaction is commonly called a redox reaction. In a redox reaction, electrons are transferred from one species to another rather than being shared between or among atoms. The reducing agent or reductant is the species that loses electrons and gets oxidized in the process. The species that gains electrons and gets reduced in the process is the oxidizing agent or oxidant. Redox reactions are represented as two separate equations called half-reactions, where one equation...
Peroxisomes01:24

Peroxisomes

Peroxisomes are specialized organelles present in fungi, plant, and animal cells. It can vary in number, size, morphology, and activity depending on the type of tissue and the nutritional state of the cell. For example, cells with active lipid metabolism, such as adipocytes, neurons, and hepatocytes, have more peroxisomes than other cells in the body. Besides their primary role in breaking down complex organic molecules, peroxisomes can also synthesize specific macromolecules and participate in...
Peroxisomes and Mitochondria01:30

Peroxisomes and Mitochondria

Peroxisomes and mitochondria are two important oxygen-utilizing organelles in eukaryotic cells. Mitochondria carry out cellular respiration—the process that converts energy from food into ATP. Peroxisomes carry out a variety of functions, primarily breaking down different substances, such as fatty acids.
The peroxisome is a single membrane-bound cellular organelle that can perform several different functions, including lipid metabolism and chemical detoxification. The enzymes within peroxisomes...
Radical Autoxidation01:20

Radical Autoxidation

The oxidation of an organic compound in the presence of air or oxygen is called autoxidation. For example, cumene reacts with oxygen to form hydroperoxide. Autoxidation involves initiation, propagation, and termination steps. Many organic compounds are susceptible to autoxidation—especially ethers in the presence of oxygen, which form hydroperoxides. Even though this reaction is slow, old ether bottles contain small amounts of peroxide, which leads to laboratory explosions during ether...
Autoxidation of Ethers to Peroxides and Hydroperoxides02:23

Autoxidation of Ethers to Peroxides and Hydroperoxides

Ethers represent a class of chemical compounds that become more dangerous with prolonged storage because they tend to form explosive peroxides when standing in the air. Autoxidation is the spontaneous oxidation of a compound in air. In the presence of oxygen, ethers slowly oxidize to form hydroperoxides and dialkyl peroxides.

You might also read

Related Articles

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

Sort by
Same author

Expanding the clinical spectrum of RNU4ATAC-opathies: more frequent and diverse than assumed.

Genetics in medicine : official journal of the American College of Medical Genetics·2026
Same author

Flow-enhanced spatiotemporal pH oscillations.

Physical chemistry chemical physics : PCCP·2026
Same author

Author Correction: Biallelic variants in the noncoding RNA gene RNU4-2 cause a recessive neurodevelopmental syndrome with distinct white matter changes.

Nature genetics·2026
Same author

Frontal subcortical executive dysfunction and minor hallucinations in Parkinson's disease are linked to sensitivity to somatomotor conflicts.

Journal of Parkinson's disease·2026
Same author

Prenatal detection of Gorlin-Goltz syndrome: a case report and focused review of the literature.

Frontiers in medicine·2026
Same author

Biallelic variants in the noncoding RNA gene RNU4-2 cause a recessive neurodevelopmental syndrome with distinct white matter changes.

Nature genetics·2026

Related Experiment Video

Updated: May 28, 2026

Membraneless Hydrogen Peroxide Fuel Cells as a Promising Clean Energy Source
06:39

Membraneless Hydrogen Peroxide Fuel Cells as a Promising Clean Energy Source

Published on: October 20, 2023

Sustained self-organizing pH patterns in hydrogen peroxide driven aqueous redox systems.

István Szalai1, Judit Horváth, Nándor Takács

  • 1Institute of Chemistry, Eötvös Loránd University, Laboratory of Nonlinear Chemical Dynamics, P.O. Box 32, H-1518 Budapest 112, Hungary. pisti@chem.elte.hu

Physical Chemistry Chemical Physics : PCCP
|October 14, 2011
PubMed
Summary

This study introduces novel halogen-free chemical systems that create sustained pH patterns through reaction-diffusion processes. These findings open new avenues for understanding pattern formation in complex biological systems.

More Related Videos

Imaging of mtHyPer7, a Ratiometric Biosensor for Mitochondrial Peroxide, in Living Yeast Cells
09:47

Imaging of mtHyPer7, a Ratiometric Biosensor for Mitochondrial Peroxide, in Living Yeast Cells

Published on: June 2, 2023

Related Experiment Videos

Last Updated: May 28, 2026

Membraneless Hydrogen Peroxide Fuel Cells as a Promising Clean Energy Source
06:39

Membraneless Hydrogen Peroxide Fuel Cells as a Promising Clean Energy Source

Published on: October 20, 2023

Imaging of mtHyPer7, a Ratiometric Biosensor for Mitochondrial Peroxide, in Living Yeast Cells
09:47

Imaging of mtHyPer7, a Ratiometric Biosensor for Mitochondrial Peroxide, in Living Yeast Cells

Published on: June 2, 2023

Area of Science:

  • Chemical kinetics
  • Pattern formation
  • Reaction-diffusion systems

Background:

  • Pattern development in nature often involves self-activated biochemical processes and diffusion.
  • Reaction-diffusion processes are crucial in biological development but challenging to study.
  • Aqueous phase reactions are preferred for studying reaction-diffusion, but sustained patterns were limited to oxyhalogen compounds.

Purpose of the Study:

  • To develop and investigate halogen-free chemical systems for generating spatiotemporal pH patterns.
  • To explore novel pattern dynamics in reaction-diffusion systems.
  • To establish a well-defined method for discovering stationary patterns in biochemical reactions.

Main Methods:

  • Utilized acid autocatalytic oxidation of sulfite ions by hydrogen peroxide.
  • Incorporated two distinct proton-consuming feedback reactions.
  • Analyzed stationary and oscillatory spatiotemporal pH patterns in solution chemistry.

Main Results:

  • Successfully demonstrated halogen-free solution chemistry systems capable of producing sustained pH patterns.
  • Observed both stationary and oscillatory spatiotemporal pattern dynamics.
  • Uncovered experimentally and theoretically undocumented pattern behaviors.

Conclusions:

  • The developed method provides a novel approach to studying reaction-diffusion systems without oxyhalogen compounds.
  • This work advances the understanding of pattern formation in chemical and potentially biological systems.
  • Paves the way for discovering stationary patterns in delicate biochemical reactions.