Reactive oxygen species

Reactive oxygen species

Molecules or ions formed by the incomplete one-electron reduction of oxygen. These reactive oxygen intermediates include singlet oxygen; superoxides; peroxides; hydroxyl radical; and hypochlorous acid. They contribute to the microbicidal activity of phagocytes, regulation of signal transduction and gene expression, and the oxidative damage to nucleic acids; proteins; and lipids.

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Related terms

reactive oxygen species (ROS)

Biology; Chemistry; Toxicology

Intermediates in the reduction of molecular dioxygen O2 to water. Note: Examples are superoxide anion O2-•, hydrogen peroxide H2O2, and hydroxyl radical HO•.

reactive oxygen species (ROS)

Biology; Biochemistry; Molecular biology

The group of chemically highly reactive species that are related to molecular oxygen, i.e. O 2 -Â (superoxide), HO (hydroxyl radical) and H 2 O 2 (hydrogen peroxide).

reactive oxygen species

Medical; Health care; Medicine

Molecules or ions formed by the incomplete one-electron reduction of oxygen. These reactive oxygen intermediates include singlet oxygen; superoxides; peroxides; hydroxyl radical; ...

reactive oxygen species

Health care; Genetic disorders

Molecules or ions formed by the incomplete one-electron reduction of oxygen. These reactive oxygen intermediates include singlet oxygen; superoxides; peroxides; hydroxyl radical; ...

electronic medical record

Health care; Medical; Health care regulations; Medicine; Medicine

A digital version/record of health-related information on an individual that can be created, gathered, managed, and consulted by authorized clinicians and staff within one health ...