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Reactive oxygen species (ROS) is a collective term given to a group of oxygen-containing intermediates, many of which react with biomolecules such as DNA, lipids, or proteins. ROS include (but are not limited to) hydrogen peroxide (H2O2), the superoxide radical anion (O2˙−), the hydroxyl radical (˙OH), and singlet oxygen (1O2). ROS sometimes have one or more unpaired electrons – as denoted by a superscript dot “˙”.

Original publication





Book title

Encyclopedia of Inflammatory Diseases


Springer Basel

Publication Date