X-ray Radiation and Dose-Reduction Techniques

doi:10.1117/3.2197756.ch11

Book: Computed Tomography: Principles, Design, Artifacts, and Recent Advances, Third Edition

Author(s): Jiang Hsieh

Published: 2015

https://doi.org/10.1117/3.2197756.ch11

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Abstract

When x-ray radiation penetrates an object, part of its energy is transferred to the object and causes changes in the object’s material. During the energy transfer, an x-ray can indirectly produce ion pairs in the tissue. The ion pairs react with other chemical systems and cause radiation damage. Alternatively, the x-rays may strike and break molecular bonds, such as those in DNA, and cause direct damage.

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CHAPTER 11
41 PAGES

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