نتایج جستجو برای: gamma irradiation

تعداد نتایج: 181721  

F. Kafilzadeh M. Zarei, P. Shawrang

The objective of this study was to determine the effect of irradiation of pomegranate seed (PS) on chemical composition, digestibility and kinetic of gas production. Pomegranate seeds were exposed to gamma ray (GR) and electron beam (EB) at doses of 5, 10, 15 and 20 kGy. Three ruminally fistulated rams were used for obtaining ruminal fluid for in vitro digestibility and gas production measuremen...

Journal: :Journal of agricultural and food chemistry 2006
M J Del Baño J Castillo O Benavente-García J Lorente R Martín-Gil C Acevedo M Alcaraz

The radioprotective effects of carnosic acid (CA), carnosol (COL), and rosmarinic acid (RO) against chromosomal damage induced by gamma-rays, compared with those of L-ascorbic acid (AA) and the S-containing compound dimethyl sulfoxide (DMSO), were determined by use of the micronucleus test for antimutagenic activity, evaluating the reduction in the frequency of micronuclei (MN) in cytokinesis-b...

Alireza Khosravi , Gholamreza Shahhosseini , Omid Fani Makki, Saeed Hasanpour , Shaban Rahimi ,

Background: This cross sectional study was conducted to evaluate the effect of &gamma-rays and electron-beam irradiation with a commercial toxin binder-milbond-TX on the performance, feed components, and meat quality of Japanese quails challenged with aflatoxin B1. Methods: Overall, 168 One-d-old chicks (Japanese quails) were allocated to eight treatments with three replicates based on a com...

In this study, the effect of different doses of gamma radiation was investigated on seed germination factors of Caper species. Gamma irradiation was performed using a cobalt-60 radiation with the radiation speed of 0.018 Gray/second and five doses of gamma radiation (0, 20, 40, 60 and 100 Gray) in a completely randomized design with 4 replication. The results showed that gamma radiation signifi...

Journal: :cell journal 0

objective: ionizing radiation interacts with biological systems to induce excessive fluxes of free radicals that attack various cellular components. melatonin has been shown to be a direct free radical scavenger and indirect antioxidant via its stimulatory actions on the antioxidant system.the aim of this study was to evaluate the antioxidant role of melatonin against radiation-induced oxidativ...

Journal: :Journal of Research of the National Bureau of Standards Section A: Physics and Chemistry 1961

A Derakhshanfar, A Kouhpayeh G H Haddadi R Fardid, Z Haddadi Zh Ghorbani,

Background: Hesperidin is a bioflavonoid glycoside mainly found in citrus fruit and has been shown radio-protective potential in various measurement systems. Objective: In this article aims to investigate the radio-protective effect of hesperidin on the liver of Sprague Dawely rats. Material and Methods: In this clinical study, 40 male rats were selected randomly and divided into 8 ...

Journal: :Journal of Orthopaedic Research 2001

Ali Moghimi, Farhang Haddad, Hafezeh Davari Mohammad Farhad Rahimi Mohammad Reza Ghavamnasiri

Objective(s)The aim of this study was to investigate the radioprotective effect of green tea against genotoxicity induced by gamma irradiation in cultured blood lymphocytes from 5 human volunteers.Materials and MethodsPeripheral blood samples were collected from volunteers before and 1, 3 and 5 hr after drinking a decoction 4 g green tea in 280 ml boiling water for 5 constitutive days with the ...

Introduction: One of the problems that exists in the quality control procedure of the treatment planning systems and the computer simulation of the radiotherapy or diagnostic radiology validation is comparing the dose distribution resulted from the dose calculation algorithms with the experimental results(as a reference). For this purpose, several methods have been proposed to compare these dos...

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