Effect of Nanoparticles and Ionization Radiation on Same Oxidant and Antioxidant Enzymes
Keywords:Tio2NPS (titanium dioxide nanoparticles) , ROS ( Reaction Oxygen Spaces) MDA (Molondialdialdehyde enzyme)
Ionizing radiation effect on atoms and molecules of living organisms by formation of free radicals
because it has high energy radiation which causes gain or loss one electron or more. In last year’s
there are a biggest interest for using nanoparticles in medicine as a drag delivers or cancer treatments
, as its will knew. The present research was focused to evaluate the effects of X- ray and nanoparticles
(alone or together) on level of Malondiahyed ( MDA ) , it is the final product of oxidative reactions ,
and, on the other hand , alleviate these effects by addition of vitamin – E ( as anti- oxidant ) in blood
samples in-vitro. Results which were yield from this research indicated that level of MDA had been
significantly increased when blood samples exposed to X- rays but its values were significantly dropped
in the presence of nanoparticles of titanium dioxide (TiO2) in a comparison with those non- treated
blood samples ( control samples ) . It was well found that levels of MDA were markedly decrease in
the samples treated with V- E after exposure them with both X-ray and nanoparticles . From those
observations , it appear that exposure of living tissues to X-rays and nanoparticles causing production
of free radicles ( oxidative stress ) and these adverse effects can be limited and ameliorated by treatment
with antioxidant vitamins .
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