A new radiation shielding block material for radiation therapy: A shielding block made from a new material

In recent years, lead has been recognized as a source of environmental pollution; this includes lead use for radiation shielding in radiotherapy. We looked for a new material that could be a lead substitute. We chose a material composed of tungsten and resin. We compared the attenuation coefficient...

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Published in:Medical physics (Lancaster) 2004-11, Vol.31 (11), p.3022-3023
Main Authors: Tajiri, Minoru, Sunaoka, Masayoshi, Fukumura, Akifumi, Endo, Masahiro
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Language:English
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container_end_page 3023
container_issue 11
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container_title Medical physics (Lancaster)
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creator Tajiri, Minoru
Sunaoka, Masayoshi
Fukumura, Akifumi
Endo, Masahiro
description In recent years, lead has been recognized as a source of environmental pollution; this includes lead use for radiation shielding in radiotherapy. We looked for a new material that could be a lead substitute. We chose a material composed of tungsten and resin. We compared the attenuation coefficient of the material with those of lead and Lipowitz's metal, and found the material has a higher attenuation coefficient than the other two. The material may be used as a substitute for lead because it is easy to fabricate and friendly to the environment.
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title A new radiation shielding block material for radiation therapy: A shielding block made from a new material
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