Biophysical and radiobiological aspects of heavy charged particles
نویسندگان
چکیده
منابع مشابه
Microbeams of heavy charged particles.
We have established a single cell irradiation system, which allows selected cells to be individually hit with defined number of heavy charged particles, using a collimated heavy-ion microbeam apparatus at JAERI-Takasaki. This system has been developed to study radiobiological processes in hit cells and bystander cells exposed to low dose and low dose-rate high-LET radiations, in ways that canno...
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Radiobiological researches with heavy ions have been started at ITEP in 2006 on unique heavy ion accelerating facility ITEP-TWAC. The main purpose of these researches is study of the biological efficiency of carbon ions for different types of biological objects, such as tumor and normal cells, in the framework of the development of heavy ion therapy for cancer treatment in Russia. Another possi...
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Heavy charged particles constitute the most important radiation risk in space. Since mutations can give rise to cancer the investigation of their induction may be helpful for risk quantification. This paper describes experiments in a number of mammalian cells performed with a large range of linear energy transfer (LET). RBE values are always found to increase with LET up to about 100 keV/microm...
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The inverse depth dose profile i.e. the increase of the dose with penetration depth make heavy charged particles like protons and heavy ions an ideal tool for the radiotherapy of deep-seated tumors. For carbon ions this good dose profile is potentiated by an additional increase in the relative biological effectiveness (RBE) towards the end of the particle range. The physical and biological basi...
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Ionizing radiations induce a variety of molecular and cellular types of damage in mammalian cells as a result of energy deposition by the radiation track. In general, tracks are divided into two classes of sparsely ionizing ones such as electron tracks and densely ionizing tracks such as heavy ions. The paper discusses various aspects and differences between the two types of radiations and thei...
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ژورنال
عنوان ژورنال: Journal of Taibah University for Science
سال: 2016
ISSN: 1658-3655
DOI: 10.1016/j.jtusci.2015.02.014