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High Altitude and Free Radicals
High altitude reactive oxygen and nitrogen species oxidative stress oxidative damage antioxidants acute mountain sickness
2015/3/12
High altitude exposure results in decreased oxygen pressure and an increased formation of reactive oxygen and nitrogen species (RONS), which is often associated with increases in oxidative damage to l...
Role of Oxygen-free radicals on the motility of rat ileum effects of Xanthine plus Xanthine Oxidase
Isolated ileum muscle Xanthine Xanthine oxidase Hydroxyl radical Singlet oxygen Superoxide dismutase
2009/12/24
The major objective of the present study was to characterize the effects of oxidants generated b xanthine (X) plus xanthine oxidase (XO) on isolated rat ileum motility. The effects of three concentrat...
Free Radicals, Antioxidants in Disease and Health
free radicals antioxidants beneficial effects deleterious effects oxidative stress
2009/4/29
Free radicals and oxidants play a dual role as both toxic and beneficial compounds, since they can be either harmful or helpful to the body. They are produced either from normal cell metabolisms in ...