Polymer gels for in-phantom dose imaging in radiotherapy

E. Vanossi, G. Gambarini, M. Carrara, M. Mariani

Research output: Contribution to journalArticlepeer-review

Abstract

Normoxic polymer gel dosimeters are studied, with the aim of achieving a valid and advantageous method for in-phantom 3D dose determinations. Developments were carried out in the application of such dosimetric material to the method based on dosimeter gel layers that has shown good reliability for absorbed dose imaging in radiotherapy. The technique has been improved, in particular taking care of minimizing the oxygen infiltration into the gel matrix in order to suitably avoid its effect of inhibiting the polymerization process after exposure. A suitable choice of the material of dosimeter walls has brought to achieve good steadiness in time of dosimeter sensitivity and satisfactory results in dose imaging and depth-dose profiling.

Original languageEnglish
Pages (from-to)772-775
Number of pages4
JournalApplied Radiation and Isotopes
Volume68
Issue number4-5
DOIs
Publication statusPublished - Apr 2010

Keywords

  • Dose imaging
  • Gel dosimetry
  • Polymer gel

ASJC Scopus subject areas

  • Radiation

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