radiation dose Articles

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Radiation dosage case study

by Vose Risk Consulting and Software  (Sep. 8, 2014)

The Oak Ridge Associated Universities (ORAU) Team Dose Reconstruction Project assists the US National Institute for Occupational Safety and Health by reconstructing the radiation doses received by workers at various Department of Energy and Atomic Weapons Employer facilities. This work involves personal interviews with claimants, retrieval and ...

Low-dose ionising radiation effects: effects of thoron inhalation

by Inderscience Publishers  (Jul. 15, 2014)

Cellular DNA damage, tissue antioxidant levels, serum parameters, blood count and histopathological alterations were examined in tissues of mice exposed to thoron (average radiation dose0.065 μSv/hr). Alkaline cometassay results indicated that inhalation of thoron caused significant increase in the damage to DNA of lung tissue, while there was no ...

Measurement of activity concentration of radionuclides and the committed annual effective dose due to the consumption of typical South Indian meal

by Inderscience Publishers  (May 23, 2014)

The present study was carried out to evaluate the activity concentration of radionuclides and the annual effective dose received by the residents of south–west coast of Tamil Nadu, India, due to the consumption of typical South Indian meal. Food samples were collected and analysed by means of gamma spectrometry to measure the activity ...

The lack of acute effect of low–to–moderate–dose ionising radiation on endothelial proteome

by Inderscience Publishers  (Aug. 1, 2013)

Epidemiological studies have shown that moderate and low radiation doses to the heart area may result in an increase in cardiovascular mortality. It has been suggested that cardiovascular endothelium could be one of the targets for the ionising radiation–induced heart injury. We have used human endothelial cells as an in vitro model to study ...

Effect of three non–protein thiols on CHO cells exposed to low doses of X–radiation

by Inderscience Publishers  (Aug. 1, 2013)

The goals of this study were to determine whether cysteamine, β–mercaptohetanol and glutathione protect CHO K1 cells against chromosomal aberrations induced by low doses of X–radiation, as well as whether radiation protection is related to physical properties of those thiols. Experimental design included four different treatments: (a) control, (b) ...

Ethological studies in Swiss albino mice with special reference to the histology of the cerebellar tissue after an acute as well as a continuous low–dose tritiated water (HTO) exposure

by Inderscience Publishers  (May 23, 2014)

Health and environmental impact of tritium released from fusion reactor technology may end up as a worldwide problem in the final analysis. Pregnant Swiss albino mice were irradiated with 11.1 kBq ml−1 tritiated drinking water. The young ones born to them were maintained on tritiated water (HTO) at the same dose level and in adulthood, when tested ...

Low–dose ionising radiation: scientific controversy, moral-ethical aspects and public choice

by Inderscience Publishers  (May 22, 2013)

The ethical issues of radiation protection are dealt with on a systematic basis. It is shown that the Linear No–Threshold (LNT) model of low–dose ionising radiation damage, being widely accepted, is still ill–founded. In everyday routine, the present regulation imposes excessive cost on society, effectively leading to loss, rather than to saving, ...

Performance of some handheld dosimeters used for gamma–ray ambient dose rate measurements

by Inderscience Publishers  (Aug. 1, 2013)

A study was carried out on the performance of some handheld dosimeters that are used for measuring ambient gamma dose rates. A CsI scintillation–based and two GM–based dosimeters were used to measure the absorbed dose rates in an indoor environment, inside a lead shield, on different floors of a building, in a desert environment and in a boat on ...

Using atomic force microscope to investigate the influence of UVB radiation on cell behaviour and elasticity of dermal fibroblasts

by Inderscience Publishers  (Dec. 9, 2013)

The aim of this research is using different doses of UVB radiation to study the influence on the cell behaviour and elasticity of Hs68 human dermal fibroblasts. These studies include cell viability analysis, proliferation index, gene expression and Young's modulus measurement using atomic force microscope (AFM). Results have exhibited that the ...

Radiation source rate estimation through data assimilation of gamma dose rate measurements for operational nuclear emergency response systems

by Inderscience Publishers  (Dec. 28, 2012)

This paper presents an evaluation of an innovative data assimilation method that has been recently developed in NCSR Demokritos for estimating an unknown emission rate of radionuclides in the atmosphere, with real–scale experimental data. The efficient algorithm is based on the assimilation of gamma dose rate measured data in the Lagrangian ...

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