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Preliminary dose response study of a gel dosimeter using 2-Hydroxyethyl Methacrylate (HEMA)
1Joint Department of Physics, The Institute of Cancer Research and the Royal Marsden NHS Trust, Sutton, Surrey, UK. jamie.trapp@rmit.edu.au
Australasian Physical & Engineering Sciences in Medicine
|October 28, 2005
Abstract:
In this work we present a gel dosimeter based on 2-Hydroxyethyl Methacrylate (HEMA). The gel dosimeter is manufactured in normal atmospheric oxygen (normoxic) and undergoes a measurable change after irradiation. The gel is shown to provide a signal to noise ratio of up to at least 35 and have a linear change in transverse relaxation rate up to 70 Gy when measured with magnetic resonance imaging.
