Fricke dosimeter
Evaluation of the radioprotective ability of cystamine as a function of radiation quality using Monte Carlo simulations of the radiolysis of the Fricke dosimeter
... 8. C ONCLUSION In this work, we have investigated quantitatively the chemical action and the radical scavenging properties of cystamine, one of the best-known radioprotectors so far, by studying the behavior of this ...
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The Fricke dosimeter as an absorbed dose to water primary standard for Ir-192 brachytherapy
... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB. NRC Publicat[r] ...
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Evaluation of the radiosensitizing or radioprotective/antioxidant potential of some selected compounds by polyacrylamide gel dosimetry and Fricke dosimeter, and utilization of the femtosecond infrared laser pulse filamentation as a novel, powerful beam for cancer radiotherapy
... With this principle, we can use not only thermal effect from laser absorption of GNPs, but also water free radicals from generation of interaction of femtosecond laser pulse filamentat[r] ...
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Comparison of the Effects of Cobalt-60 [gamma]-Rays and Tritium [beta][superscript -]Particles on Water Radiolysis and Aqueous Solutions and Radiolysis of the Ceric-Cerous Sulfate Dosimeter at Elevated Temperature
... Fricke dosimeter. One of our main findings was that the measured Fricke yield G(Fe 3+ ) could be best reproduced if a single, mean “equivalent” electron energy of ...sulfate dosimeter at ...
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Determination of the radiation chemical yield (G) for the Fricke chemical dosimetry system in photon and electron beams
... the Fricke dosimeter one requires the G- ...the Fricke G-value is entirely analogous to the method used to determine an air kerma calibration coefficient for the reference standard ion chamber ...
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The IRS Fricke dosimetry system
... The Fricke dosimeter, also called the ferrous sulfate dosimeter, is one of the most useful chemical ...The Fricke dosimeter is 96% water (by weight), hence its attenuation of radiation ...
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Multichannel Dosimeter and $\alpha$-Al$_{2}$O$_{3}$:C Optically Stimulated Luminescence (OSL) Fiber Sensors for Use in Radiation Therapy—Evaluation With Photon Beams
... Sylvian Magne, Loïc de Carlan, Jean-Marc Bordy, Aurélie Isambert, André Bridier, and Pierre Ferdinand Abstract—A multichannel OSL fiber optic dosimeter based on optically stimulated luminescence (OSL) of alumina ...
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Validating Fricke dosimetry for the measurement of absorbed dose to water for HDR 192Ir brachytherapy: a comparison between primary standards of the LCR, Brazil, and the NRC, Canada
... of Fricke dosimetry as a possible method to obtain a primary standard of the absorbed dose to water for Ir-192 sources (Franco et al, 2011; de Almeida et al, 2014; El Gamal et al, ...the Fricke solution, ...
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Development of a synthetic single crystal diamond dosimeter for dose measurement of clinical proton beams
... Email of corresponding author: cyril.moignier@free.fr Abstract: 20 The scope of this work was to develop a synthetic single crystal diamond dosimeter (SCDD-Pro) for accurate relative dose measurements of clinical ...
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A new single crystal diamond dosimeter for small beam: comparison with different commercial active detectors
... The dosimeter has to be as close as possible to tissue equivalence and to exhibit a small detection volume compared to the size of the irradiation field, because of the lack of lateral electronic equilibrium in ...
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Performance of Ge-doped Optical Fiber as a Thermoluminescent Dosimeter
... as dosimeter, it is clearly shown here that regardless of the type of radiation, the TSL response is completely independent of the drawing parameters as the range covered in this work corresponds to the limits ...
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Simulation Monte-Carlo de la radiolyse du dosimètre de Fricke par des neutrons rapides
... neutrons, recoil ions (protons and oxygen ions), linear energy transfer (LET), free- radical and molecular yields, Fricke (ferrous sulfate) dosimeter, kinetics of formation and yield of[r] ...
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Counting points on the Fricke–Macbeath curve over finite fields
... G 2,3,7 , acting in the classical way on the complex upper half plane H. See, e.g., §3.19 of Shimura’s paper [15] and §5.3 of the exposition by Elkies [3] for details. The plane curve with equation x 3 y + y 3 z + z 3 z ...
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Investigation of Thermoluminescence Properties of Potential Fibered-OSL Dosimeter Materials
... Optical sensitivity to the ambient light of the previously irradiated samples is very high since after 10 minutes of exposure, the loss on the dose information by optical bleaching varies between 70% (Ce-doped) and 80% ...
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Presentation and Preliminary Results of DROÏD Project: Development of a Distributed Optical Fibre Dosimeter
... Context Financed by an ANR PIA, Droïd project follows from the Fukushima disaster. It aims to improve security in nuclear power plants (NPP) by developing a distributed dosimeter, with a centimetric resolution, ...
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A new spectroscopic method for measuring ferric diffusion coefficient in gelatin-based dosimeter gels
... simple to use and could be easily adapted to radio- therapy applications [ 23 ]. Compared to the standard Fricke gel, its composition was modified in order to lower post-irradiation ion diffusion. The mathema- ...
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Multi-channel fibre optic dosimeter based on optically stimulated luminescence for dose verification during radiotherapy treatments
... The OSL dosimeter developed within the MAESTRO Project works in a “conventional” OSL mode, simple and convenient for achieving delayed OSL measurements (i.e. sequentially read after treatment). Every OSL sensor is ...
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