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Updated: Feb 8, 2026

Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development
Published on: April 15, 2013
A Review on Free Radicals and Antioxidants
1Department of Pharmaceutical Chemistry & Drug Control, Faculty of Pharmacy, Arab International University, Daraa, Syrian Arab Republic.
Abstract:
Free radicals are generated in our body by several systems. A balance among free radicals and antioxidants is an important matter for appropriate physiological function. If free radicals become greater than the ability of the body to control them, a case known as oxidative stress appears, as a result of that, a number of human diseases spread in the body. Antioxidants can contribute to facingthis oxidative stress. The present review provides a brief overview of free radicals, oxidative stress, some natural antioxidants and the relationship between them.
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