Reactive oxygen species

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Reactive oxygen species

Description

Reactive oxygen species, ROS, are molecules derived from molecular oxygen, including free oxygen radicals, which are more reactive than O2. Physiologically and pathologically important ROS include superoxide, the hydroxyl radical and hydroxide ion, hydrogen peroxide and other peroxides. These are important in cell signalling, oxidative defence mechanisms and oxidative stress.

Abbreviation: ROS


MitoPedia methods: Fluorometry 


MitoPedia topics: Substrate and metabolite 



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