Publications by authors named "H Elson"
Gel dosimeters are attractive detectors for radiation therapy, with properties similar to biological tissue and the potential to visualize volumetric dose distributions. Radio-fluorogenesis is the yield of fluorescent chemical products in response to energy deposition from ionizing radiation. This report shares the development of a novel radio-fluorogenic gel (RFG) dosimeter, gelatin infused with coumarin-3-carboxlyic acid (C3CA), for the quantification of imparted energy.
View Article and Find Full Text PDFThis study aimed to investigate the high-dose rate Iridium-192 brachytherapy, including near source dosimetry, of a catheter-based applicator from 0.5mm to 1cm along the transverse axis. Radiochromic film and Monte Carlo (MC) simulation were used to generate absolute dose for the catheter-based applicator.
View Article and Find Full Text PDFMeasurement of low-energy backscatter factors using GAFCHROMIC film and OSLDs.
J Appl Clin Med Phys
November 2012
Article Synopsis
- The study focuses on measuring radiation doses from low-voltage X-rays used in radiotherapy, specifically Grenz and superficial X-rays around 20 and 100 kVp.
- It explores different measurement methods, including standard ion chambers, GAFCHROMIC EBT2 film, and optically stimulated luminescent dosimeter (OSLD) crystals, to assess backscatter factors in that context.
- Findings reveal that the ion chamber method was the least accurate, while GAFCHROMIC films provided reliable results, and OSLDs showed good performance for smaller field sizes but increased response in larger ones; specific backscatter values were about 5% higher than standard recommendations.
1. In order to conduct this anniversary review, 10 excellent papers were carefully selected from the 148 available papers published on housing and husbandry in British Poultry Science (BPS) over the past 50 years. 2.
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