Abstract
Since the development of normoxic gels several others have been evaluated for dose response and spatial stability with MRI. Tetrakis (hydroxymethyl) phosphonium chloride (THP) has been used as an oxygen scavenger in MAGAT and PAGAT polymer gel dosimeters. X-ray CT has been used as an evaluation tool to measure dose response and dose distributions of irradiated polymer gel dosimeters. In this work the radiological attenuation properties of the PAGAT and MAGAT normoxic polymer gels are investigated as part of a feasibility study in using x-ray CT as an evaluation tool for normoxic polymer gel dosimeters.
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