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Abstract The pyrolysis characteristics of three main components (hemicellulose, cellulose and lignin) of biomass were… Expand Curcumin, a polyphenolic compound derived from dietary spice turmeric, possesses diverse pharmacologic effects including anti… Expand Flavonoids are nearly ubiquitous in plants and are recognized as the pigments responsible for the colors of leaves, especially in… Expand Superoxide dismutase reduces injury in many disease processes, implicating superoxide anion radical (O2-.) as a toxic species in… Expand Hydroxyl and other oxygen-containing radicals are known to be present during the degradation of organic water pollutants in… Expand N-acetylcysteine has been widely used as an antioxidant in vivo and in vitro. Its reaction with four oxidant species has… Expand Kinetic data for the radicals H⋅ and ⋅OH in aqueous solution,and the corresponding radical anions, ⋅O− and eaq−, have been… Expand Hydroxyl radicals, generated by reaction of an iron-EDTA complex with H2O2 in the presence of ascorbic acid, attack deoxyribose… Expand It is now clear that oxygen-derived free radicals play an important part in several models of experimentally induced reperfusion… Expand The phenomenon of growth, decline and death—aging—has been the source of considerable speculation (1, 8, 10). This cycle seems to… Expand