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Free Radicals

Known as: Radicals, Free, Free Radicals [Chemical/Ingredient], Free Radical 
Molecules or atoms with at least one unpaired or 'free' electron in the outermost electron shell. Chemically unstable, free radicals stabilize… Expand
National Institutes of Health

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Review
2007
Review
2007
Reactive oxygen species (ROS) and reactive nitrogen species (RNS, e.g. nitric oxide, NO(*)) are well recognised for playing a… Expand
Review
2006
Review
2006
Oxygen-free radicals, more generally known as reactive oxygen species (ROS) along with reactive nitrogen species (RNS) are well… Expand
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Review
2002
Review
2002
  • W. Dröge
  • Physiological reviews
  • 2002
  • Corpus ID: 11395189
At high concentrations, free radicals and radical-derived, nonradical reactive species are hazardous for living organisms and… Expand
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Highly Cited
1995
Highly Cited
1995
The antiradical activities of various antioxidants were determined using the free radical, 2,2-Diphenyl-1-picrylhydrazyl (DPPH… Expand
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Review
1990
Review
1990
Publisher Summary This chapter discusses the role of free radicals and catalytic metal ions in human disease. The importance of… Expand
Highly Cited
1985
Highly Cited
1985
1. Oxygen is a toxic gas - an introductionto oxygen toxicity and reactive species 2. The chemistry of free radicals and related… Expand
Review
1985
Review
1985
  • J. McCord
  • The New England journal of medicine
  • 1985
  • Corpus ID: 42717930
It is now clear that oxygen-derived free radicals play an important part in several models of experimentally induced reperfusion… Expand
Review
1982
Review
1982
  • B. Freeman, J. Crapo
  • Laboratory investigation; a journal of technical…
  • 1982
  • Corpus ID: 45616915
A free radical is any molecule that has an odd number of electrons. Free radicals, which can occur in both organic (i.e… Expand
Highly Cited
1958
Highly Cited
1958
METHODS for measuring antioxidants and appraising antioxidant activity appear to be of two general types. If the chemical nature… Expand
Highly Cited
1956
Highly Cited
1956
  • D. Harman
  • Journal of gerontology
  • 1956
  • Corpus ID: 42923805
The phenomenon of growth, decline and death—aging—has been the source of considerable speculation (1, 8, 10). This cycle seems to… Expand