Evaluation of the effect of temperature variation on response of PRESAGE® dosimeter

Journal of Cancer Research and Therapeutics
Bagher FarhoodNajimeh Khezerloo

Abstract

Many factors, such as PRESAGE ® composition, dose rate, energy, and type of radiation, temperature, etc., may effect on PRESAGE ® dosimeter response. The aim of this study was investigating the effect of temperature variation on response of PRESAGE ® solid dosimeter. In this study, a PRESAGE ® solid detector was fabricated. Ninety-four percent weight polyurethane, 5% weight carbon tetrachloride, and 1% weight leucomalachite green were used. Radiological and physical characteristics of PRESAGEs ®, such as mass density, electron density, and effective number atomic were obtained and compared with water. Response of PRESAGE ® dosimeter in temperatures -4, 10, 25, 35, 45, 55, 65, 75, 85, and 90°C was evaluated. In addition, the absorption peak at various temperatures was investigated. The results showed that the absorption peak at different temperatures was in the range of 630-635 nm. For temperatures below 75°C, the results indicated that temperature variation has no effect on the response of PRESAGE ® dosimeter whereas at the temperatures> 75°C, temperature variation has an effect on PRESAGE ® dosimeter response. The finding showed that temperature changes have not impact on the absorption peak. In addition, the results related t...Continue Reading

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Nov 5, 2020·Journal of Synchrotron Radiation·Frank M GagliardiMoshi Geso

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