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In chemistry, a radical, also known as a free radical, is an atom, molecule, or ion that has at least one unpaired valence electron. With some exceptions, these unpaired electrons make radicals highly chemically reactive.
History, History and nomenclature & In biology and medicine
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radicals radical reactions organic also free compounds many bond oxygen example electrons important unpaired chemistry superoxide chemical form electron may
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| superoxide | instance of | while too much uric acid causes gout.Reactive oxygen speciesReactive oxygen species or ROS are species | 0.80 | text |
| hydrogen peroxide | instance of | while too much uric acid causes gout.Reactive oxygen speciesReactive oxygen species or ROS are species | 0.80 | text |
| and hydroxyl radical | instance of | while too much uric acid causes gout.Reactive oxygen speciesReactive oxygen species or ROS are species | 0.80 | text |
| commonly associated with cell damage | instance of | while too much uric acid causes gout.Reactive oxygen speciesReactive oxygen species or ROS are species | 0.80 | text |
| cancer | instance of | which may contribute to many diseases | 0.80 | text |
| stroke | instance of | which may contribute to many diseases | 0.80 | text |
| myocardial infarction | instance of | which may contribute to many diseases | 0.80 | text |
| diabetes | instance of | which may contribute to many diseases | 0.80 | text |
| major disorders | instance of | which may contribute to many diseases | 0.80 | text |
| atherosclerosis are also attributed to radical induced oxidation of cholesterol to 7-ketocholesterol.Oxybenzone has been found to form radicals in sunlight | instance of | Some of the symptoms of aging | 0.80 | text |
| and therefore may be associated with cell damage as well | instance of | Some of the symptoms of aging | 0.80 | text |
| superoxide | instance of | Reactive oxygen speciesReactive oxygen species or ROS are species | 0.80 | text |
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