by
John R. Fischer, Senior Reporter | March 10, 2022
The concept still needs to be validated through testing in a practice device.
In Canada, scientists recently
developed new plastic scintillators that can be incorporated into X-ray tube-based systems to enable the delivery of FLASH radiotherapy. The plastic material of the scintillation devices enables near-water-equivalence, nanosecond response times and high spatial resolution with MR Linac compatibility, as well as robustness that helps protect against radiation damage.
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“Plastic scintillation detectors are an ideal dosimeter for ultrahigh-dose-rate radiotherapy. By placing the scintillation detectors in close proximity of the beam shutter, we’ve been able to verify dose delivery and confirm that our system can accurately expose for short pulses down to 1 ms duration,” said Magdalena Bazalova-Carter, lead physicist on the project and head of the X-ray Cancer Imaging and Therapy Experimental (XCITE) Lab at the University of Victoria,.
The findings were published in
Science.
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