Preliminary dose response study of a gel dosimeter using 2-Hydroxyethyl Methacrylate (HEMA)

  • J. V. Trapp
  • M. O. Leach
  • S. Webb
Scientific Note


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.

Key words

gel dosimetry radiotherapy 


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Copyright information

© Australasian College of Physical Scientists and Engineers in Medicine 2005

Authors and Affiliations

  1. 1.Joint Department of PhysicsThe Institute of Cancer Research and the Royal Marsden NHS TrustSuttonUK
  2. 2.Cancer Research UK Clinical MR Research GroupThe Institute of Cancer ResearchSuttonUK
  3. 3.Royal Marsden NHS TrustSuttonUK
  4. 4.Applied Physics, School of Applied ScincesRMIT UniversityMelbourneAustralia

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