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Free radicals

Free radicals

Highly reactive molecules with an unsatisfied electron valence pair. Free radicals are produced in both normal and pathological processes. They are proven or suspected agents of tissue damage in a wide variety of circumstances including radiation, damage from environment chemicals, and aging. Natural and pharmacological prevention of free radical damage is being actively investigated.


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Please comment this theory, is this theory correct?

... possible then that ascorbic acid can lose 2 electrons and then have 2 free radicals at the same time. 2) The water is everywhere, but the idea is that DNA is hydrophobic ...

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by schang1984
Thu Aug 15, 2013 4:12 pm
 
Forum: Cell Biology
Topic: Please comment this theory, is this theory correct?
Replies: 5
Views: 3994

Please comment this theory, is this theory correct?

... harming normal cells . Quercetin is an antioxidant. It neutralizes free radicals. While doing so this quercetin changes to a radical molecule. For example it neutralizes ...

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by schang1984
Tue Aug 13, 2013 2:49 pm
 
Forum: Cell Biology
Topic: Please comment this theory, is this theory correct?
Replies: 5
Views: 3994

receiving electromagnetism

... and pregnancy success. At the cellular level, an increase in free radicals and [Ca2+]i may mediate the effect of EMFs and lead to cell growth inhibition, protein ...

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by jinx25
Sun Oct 07, 2012 2:33 pm
 
Forum: Cell Biology
Topic: receiving electromagnetism
Replies: 4
Views: 3487

Why do cells age?

... seems to be a little more fundamental than just causative theories like free radicals, etc. http://www.news-medical.net/news/2004/10/04/5271.aspx

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by oncolytic
Thu Jul 19, 2012 2:47 am
 
Forum: Cell Biology
Topic: Why do cells age?
Replies: 22
Views: 13232

Re: Why do cells age?

Other useful search terms include: free radicals somatic mutations lamin A, progerin There are various factors that contribute to aging of a cell. ...

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by jonmoulton
Wed May 16, 2012 2:49 pm
 
Forum: Cell Biology
Topic: Why do cells age?
Replies: 22
Views: 13232
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