A NATO Advanced Study Institute on "Oxygen Radicals in Biological Systems: Recent Progress and New Methods of Study" was held in Braga, Portugal between Sep- tember 1 and September 14, 1985, in order to consider the basic chemistry and biochem- istry of activated oxygen (both radical and non-radical species) and their effect in biolog- ical systems. This book summarizes the main lectures given at this meeting. While there is no attempt to cover all the major topics in the expanding subject of oxidative mechanisms in biology, an effort has been made to provide overviews on some key aspects of...