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Updated: Jun 3, 2025

Dosimetry for Cell Irradiation using Orthovoltage 40-300 kV X-Ray Facilities
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Dosimetry for Cell Irradiation using Orthovoltage 40-300 kV X-Ray Facilities

Published on: February 20, 2021

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色膜作为补充的现场剂量计工具,用于监测低光子辐射剂量 (≤50 mSv)

Nicky Nivi1, Helen Moise, Ana Pejović-Milić1

  • 1Department of Physics, Toronto Metropolitan University, 350 Victoria Street, Toronto, Ontario, M5B 2K3.

Health physics
|January 8, 2025
PubMed
概括

色射色膜对军事剂量测量具有前景,提供一种视觉,无电子的方法来评估高达50mSv的辐射剂量. 净光密度分析被证明是精确量化低光子剂量的最佳方法.

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All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...
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German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
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