نتایج جستجو برای: radionuclides dosage radiation health risk
تعداد نتایج: 2067410 فیلتر نتایج به سال:
Purpose: Forecasting the lifetime attributable radiation risk of incidence with malignant neoplasm (MN) thyroid gland and identifying groups increased (HR) for population Bryansk region currently (at beginning 2023) living in six areas most contaminated radionuclides after accident at Chernobyl NPP, based on a conservative approach, taking into account dose uncertainty factors parameters mathem...
background: the earlier atomic bomb explosion in hiroshima and nagasaki, and three worth mentioning nuclear accidents - detonation at fukushima daiichi nuclear plant, chernobyl nuclear fallout and an accident at three mile island nuclear power plant have made us more worried about the secure exploitation of nuclear energy. the central focus of this paper is to review radiation-mediated health e...
OBJECTIVE To document the ability of public health laboratories to respond to radiological emergencies. METHODS The Association of Public Health Laboratories developed, distributed, and analyzed two separate surveys of public health laboratories representing the 50 US states and major nonstate jurisdictions. The 2009 All-Hazards Laboratory Preparedness Survey examined overall laboratory capab...
Suitably designed optical fibers are shown to offer a powerful tool for functional brain mapping, facilitating the detection of Cherenkov radiation generated by relativistic positrons from positron-emitting radionuclides. Fiber probes support a low-loss delivery of the high-intensity short-wavelength part of the Cherenkov spectrum, which is strongly absorbed by biotissues, and lower the thresho...
Radioimmunotherapy aims to deliver radiation directly to cancer cells by means of a tumor specific vector coupled to a radionuclide. Alpha radionuclides are very potent agents to treat disseminated cancer and metastasis. We have demonstrated that α radiation can also induce immunogenic cell death, reinforcing interest in their clinical development.
To evaluate current environmental contamination and contributions from internal and external exposure due to the accident at the Chernobyl Nuclear Power Plant (CNPP) and nuclear tests at the Semipalatinsk Nuclear Testing Site (SNTS), concentrations of artificial radionuclides in edible mushrooms, soils and stones from each area were analyzed by gamma spectrometry. Annual effective doses were ca...
introduction iron ore is one of the most important natural raw materials that is widely used for manufacturing iron and steel. this type of ore contains various amounts of radionuclides; thus, exposing workers handling their extraction, transportation, and processing to radiation. materials and methods in this study, 12 ore samples (each mass weighing about 2 kg) were collected from the iron or...
The paper presents research on radiation control at nuclear enterprises working with ?-active radionuclides. focus of the is registration 239Pu radionuclides hands surface. experimental results show possibility to create a turnstile for automatic monitoring presence hands. Such device can be used minimum helium consumption 66 liters per hour in measuring chamber an open bottom 5.4 liters.
Some areas of the Russian Federation were contaminated with radionuclides released as a re-sult Chernobyl accident. The current paper clarifies some items previously published study based on NRER (National Radiation-Epidemiological Registry, Registry) data. pre-vious issue presented estimates radiation risks cancer incidence among population four most regions Federation: Bryansk, Kaluga, Oryol ...
background: the sporadic cases of radiation-activated multiple sclerosis (ms) has been previously described, with a few studies focused on the relationship between radiation and the risk of ms. the aim of our study was to evaluate the association between history of x-ray radiation and ms. methods : this case-control study was conducted on 150 individuals including 65 ms patients and 85 age- a...
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