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http://dx.doi.org/10.5352/JLS.2007.17.8.1100

Research of Antioxidant Activity from Plant Resources using Proton Beam(I)  

Moon, Byung-Sik (Department of chemistry, Dongguk University)
Son, Gui-Youp (Department of chemistry, Dongguk University)
Choi, Jin-Kuk (Department of chemistry, Dongguk University)
Seo, Dong-Won (Department of chemistry, Dongguk University)
Lee, Kap-Duk (Department of chemistry, Dongguk University)
Publication Information
Journal of Life Science / v.17, no.8, 2007 , pp. 1100-1103 More about this Journal
Abstract
In proton therapy, the Bragg peak is spread out by modulating or degrading the energy of the particles to cover a well-defined target volume at a given depth. Proton transfer plays a key role in a variety of biological, the origin of the elements, tests of the standard model along with applications in medicine, industry and chemical phenomena such as water autoionization, fast proton diffusion, acid-base neutralization. We have studied the radiolysis of various natural resources and have evaluated the antioxidant activity of radiolysis products by proton beam. The most of antioxidant activities of natural resources were decreased with increasing proton fluence. Proton beam induced antioxidant activities both in 1,1-diphenyl-2-picrylhydrazyl radical (DPPH) assay and 2,2'-azinobis(3-ethylbenzot hialozinesulfonic acid) cation radical $(ABTS^{.+})$ assay by a dose dependent fashion.
Keywords
Antioxidant; proton beam irradiation; DPPH; ABTS;
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