Interaction between antioxidants and free radicals
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Oxidative Stress and Human Disease: a Review
Background: The human body needs both types of oxidants (free radicals) and antioxidants for normal metabolism, signal transduction mechanism, and the order of cellular activity. Free radicals can be either harmful or helpful to the body, in fact, they play a dual role as both toxic and beneficial compounds. The human body has the natural antioxidant defense mechanism to counteract the free rad...
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The field of antioxidants and free radicals is often perceived as focusing around the use of antioxidant supplements to prevent human disease. In fact, antioxidants/free radicals permeate the whole of life, creating the field of redox biology. Free radicals are not all bad, nor antioxidants all good. Life is a balance between the two: Antioxidants serve to keep down the levels of free radicals,...
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In recent years, the number of reports of nanoparticle production using green methods has increased exponentially. Green methods of nanoparticle production are based on oxidation and reduction reactions in which metal ions are reduced to nanoparticles with the help of compounds in living organisms or their extracts, including antioxidants. The presence of biomolecules, including antioxidants in...
متن کاملAntioxidant-Induced Stress
Antioxidants are among the most popular health-protecting products, sold worldwide without prescription. Indeed, there are many reports showing the benefits of antioxidants but only a few questioning the possible harmful effects of these "drugs". The normal balance between antioxidants and free radicals in the body is offset when either of these forces prevails. The available evidence on the ha...
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Introduction: Antioxidants are essential elements in reducing the harmful effects of free radicals. The aim of this study was to compare the serum levels of total antioxidant before and after adenotonsillectomy procedure. Materials and Methods: This study was conducted on 41 children with the age range 3-12 who underwent adenotonsillectomy. The total l...
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تاریخ انتشار 2010