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In the presence of a cobalt-60 source, the main aim of this research was to investigate the protective action of Rosmarinus officinalis, Origanum compactum, Lavandula angustifolia, and Eucalyptus globulus essential oils against gamma-radiation-induced injuries on Tetrahymena pyriformis. T. pyriformis cells growing in irradiating conditions were able to regain their normal form in the presence of the different EOs, according to morphological analysis. Our results show that the four EOs have protective effects on certain metabolic enzymes as well. Compared to the controls, they can restore entirely or partially the glyceraldehyde 3-phosphate dehydrogenase and succinate dehydrogenase enzyme activities. In addition, the addition of EOs reduced the lipid peroxidation level and reduced the production of catalase and superoxide dismutase, which was caused by gamma-radiation exposure. Compared to R. officinalis and E. globulus EOs, a more pronounced protective effect was present for O. compactum and L. angustifolia EOs.
Source link: https://doi.org/10.1007/s00284-022-02924-3
Using 137Cs and 60Co radiation sources, linear and mass attenuation coefficients of fabricated particleboards intended for use as phantom boards were estimated in this study. A wood trunk bonded with soy flour and lignin was manufactured at a target density of 1. 0 g cm/u22123, with and without gloss finish coating, with and without gloss finish coating. The use of gloss finish coating did not have any effect on the phantom material's attenuation coefficient. Experimental results obtained by GATE simulations have been shown to be extremely useful in providing reliable data for energy transmission studies. Based on the findings obtained in this research, it has been concluded that the tested material was Rhizophora spp. The gloss finish coating, which may be used in radiation dosimetry experiments, can be used in wood trunk bond bonding with soy flour and lignin, as well as the gloss finish coating.
Source link: https://doi.org/10.1007/s00411-022-00978-2
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