Academic literature on the topic 'Radiation dose'
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Journal articles on the topic "Radiation dose"
Hansen, Joyce M., Niki Fidopiastis, Trabue Bryans, Michelle Luebke, and Terri Rymer. "Radiation Sterilization: Dose Is Dose." Biomedical Instrumentation & Technology 54, s1 (June 1, 2020): 45–52. http://dx.doi.org/10.2345/0899-8205-54.s3.45.
Full textBenova, K., P. Dvorak, D. Mate, M. Spalkova, J. Dolezalova, and L. Kovarik. "Does the 1 Gy dose of gamma radiation impact the pork quality?" Veterinární Medicína 66, No. 4 (April 2, 2021): 140–45. http://dx.doi.org/10.17221/149/2020-vetmed.
Full textHaaga, John R. "Radiation Dose Management." American Journal of Roentgenology 177, no. 2 (August 2001): 289–91. http://dx.doi.org/10.2214/ajr.177.2.1770289.
Full textvon Hippel, Frank. "Lethal Radiation Dose." Science 230, no. 4729 (November 29, 1985): 992. http://dx.doi.org/10.1126/science.230.4729.992.c.
Full textDickson, D. "Radiation dose limits." Science 238, no. 4832 (December 4, 1987): 1349. http://dx.doi.org/10.1126/science.3685984.
Full textGoldman, M. "Chernobyl radiation dose." Science 237, no. 4815 (August 7, 1987): 575. http://dx.doi.org/10.1126/science.3603040.
Full textO’Doherty, Jim, and Pauline Negre. "Radiation dose monitoring." Nuclear Medicine Communications 40, no. 12 (December 2019): 1193–94. http://dx.doi.org/10.1097/mnm.0000000000001094.
Full textParmegiani, Lodovico, Graciela Estela Cognigni, and Marco Filicori. "Ultraviolet radiation dose." Reproductive BioMedicine Online 22, no. 5 (May 2011): 503. http://dx.doi.org/10.1016/j.rbmo.2010.12.010.
Full textHIPPEL, F. V. "Lethal Radiation Dose." Science 230, no. 4729 (November 29, 1985): 992. http://dx.doi.org/10.1126/science.230.4729.992-b.
Full textLloyd, Ray D., Glenn N. Taylor, and Scott C. Miller. "DOES LOW DOSE INTERNAL RADIATION INCREASE LIFESPAN?" Health Physics 86, no. 6 (June 2004): 629–32. http://dx.doi.org/10.1097/00004032-200406000-00009.
Full textDissertations / Theses on the topic "Radiation dose"
ACOSTA, PEREZ CLARICE de F. "Contribuição ao calculo do valor alfa no estudo de otimização da radioproteção." reponame:Repositório Institucional do IPEN, 2007. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11560.
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Tese (Doutoramento)
IPEN/T
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
Brucoli, Matteo. "Total ionizing dose monitoring for mixed field environments." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTS093/document.
Full textThe Total Ionizing Dose (TID) monitoring is nowadays a crucial task for a wide range of applications running in harsh radiation environments. In view of the High-Luminosity upgrade for the Large Hadron Collider, the monitoring of radiation levels along the CERN’s accelerator complex will become even more challenging. To this extent, a more detailed knowledge of the radiation field in the accelerator tunnel and its adjacent areas becomes necessary to design installation, relocation or shielding requirements of electronics sensitive to radiation. Aiming to improve the monitoring of the TID delivered by the mixed radiation field generated within the accelerator system, investigations on new suitable dosimeters have been carried out.With this research, two devices have been studied and characterized to be employed as dosimeter and possibly to complete the use of the silicon sensor currently employed at CERN for TID monitoring, i.e. the RADiation-sensitive Field Effect Transistor (RADFET): a commercial NMOS, and an ASIC (Application-Specific Integrated Circuit) named FGDOS. The devices have been selected following two opposite approaches: on the one hand, reducing the costs would allow the density of the deployed sensors to increase. As a direct consequence, a more detailed dose map would be obtained for large distributed systems like the LHC. On the other hand, the radiation monitoring can be further improved by deploying more sensitive detectors, which would allow to measure the dose where the levels are too low for the RADFET. Moreover, sensors with higher resolution would permit the characterization of the radiation field in a shorter time, which means within a lower integrated luminosity.The first approach has been accomplished by searching for alternative solutions based on COTS (Commercial Off-The-Shelf) devices, which would significantly reduce the costs and guarantee unlimited availability on the market. For this aim, investigations on a commercial discrete NMOS transistor, which was found to be very sensitive to the radiation, has been carried out.The need for improving the resolution of TID monitoring led to investigate the FGDOS, which is an innovative silicon dosimeter with a very high sensitivity that permits to detect extremely low doses.The calibration of the NMOS and the FGDOS have been performed by exposing the dosimeters to γ-ray. Their radiation response has been characterized in terms of linearity, batch-to-batch variability, and dose rate effect. The influence of the temperature has been studied and a method to compensate the temperature effect has been developed and implemented.Being the FGDOS is a System-On-Chip with several features that make the dosimeter an extremely flexible system, the characterization of its operational modes (Active, Passive and Autonomous) have been performed. Following the first characterization, some questions arose concerning the sensitivity degradation mechanisms affecting the dosimeter. To investigate this phenomenon, radiation experiments were performed with a test chip embedding only the radiation sensitive circuit of the FGDOS. The analysis of the experiments allowed the understating of the processes responsible for the sensitivity degradation, by separating the contribution of the reading transistor and the floating gate capacitor. The results of this investigation led us to considerer new design solution and compensation methods.The suitability of the NMOS and the FGDOS for TID measurement in the mixed radiation field produced by the CERN’s accelerator complex has been verified by performing accelerated radiation tests at the Cern High energy AcceleRator Mixed field facility (CHARM). The consistency of both sensors with the RADFET measurement has been demonstrated. The high sensitivity of the FGDOS leads to a significant improvement in terms of TID measurement in mixed radiation fields with respect to the RadFET, especially for low radiation intensities
Chapple, Claire Louise. "The optimisation of radiation dose in paediatric radiology." Thesis, University of Newcastle Upon Tyne, 1998. http://hdl.handle.net/10443/497.
Full textPoon, Emily Sau Chee. "Patient-specific dose calculation methods for high-dose-rate iridium-192 brachytherapy." Thesis, McGill University, 2010. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=86632.
Full textIn this work, we evaluated the dosimetric characteristics of a shielded rectal applicator with an endocavitary balloon injected with contrast solution. The dose distributions around this applicator were calculated by the GEANT4 Monte Carlo (MC) code and measured by ionization chamber and GAFCHROMIC EBT film. A patient-specific dose calculation study was then carried out for 40 rectal treatment plans. The PTRAN_CT MC code was used to calculate the dose based on computed tomography (CT) images. This study involved the development of BrachyGUI, an integrated treatment planning tool that can process DICOM-RT data and create PTRAN_CT input initialization files. BrachyGUI also comes with dose calculation and evaluation capabilities.
We proposed a novel scatter correction method to account for the reduction in backscatter radiation near tissue-air interfaces. The first step requires calculating the doses contributed by primary and scattered photons separately, assuming a full scatter environment. The scatter dose in the patient is subsequently adjusted using a factor derived by MC calculations, which depends on the distances between the point of interest, the iridium source, and the body contour. The method was validated for multicatheter breast brachytherapy, in which the target and skin doses for 18 patient plans agreed with PTRAN_CT calculations better than 1%.
Finally, we developed a CT-based analytical dose calculation method. It corrects for the photon attenuation and scatter based upon the radiological paths determined by ray tracing. The scatter dose is again adjusted using our scatter correction technique. The algorithm was tested using phantoms and actual patient plans for head-and-neck, esophagus, and MammoSite breast brachytherapy. Although the method fails to correct for the changes in lateral scatter introduced by inhomogeneities, it is a major improvement over TG-43 and is sufficiently fast for clinical use.
En curiethérapies à haut débit de dose, la dose aux patients est évaluée selon le protocole AAPM Task-Group 43 (TG43), qui utilise des paramètres dosimétriques obtenues avec une source dans l'eau. Cependant, le patient, l'applicateur et le contraste ont des propriétés radiologiques différentes de l'eau; ces inhomogénéités sont donc négligées dans TG43.
Dans ce travail, nous utilisons le programme Monte Carlo (MC) GEANT4 pour évaluer les propriétés dosimétriques d'un applicateur rectal muni d'un blindage radio-protecteur et d'un ballon intra-cavitaire. Ces résultats sont confirmés par des mesures d'une chambre d'ionisation et des films GAFCHROMIC EBT. Une étude des calculs de dose a été faite avec le programme PTRAN_CT avec l'aide des images scanner de 40 patients de cancer rectal. Ceci a conduit au développement de BrachyGUI, un programme de planification de curiethérapie, capable de traiter les données DICOM-RT des patients et générer les paramètres d'entrée pour PTRAN_CT. BrachyGUI dispose d'outils de calcul, d'extraction et d'analyse de dose.
Nous proposons une nouvelle méthode de calcul qui tient compte des effets de diffusion au voisinage des interfaces tissus-air. Cette méthode calcule séparément la dose due aux photons primaires et diffusés, ensuite la composante diffusée est ajustée par un paramètre extrait des calculs MC incluant les contours du patient, la source et sa position. Nos résultats s'accordent avec une incertitude inferieure à 1% avec les calculs de dose à la surface et dans la cible effectués avec PTRAN_CT pour 18 patients en curiethérapie du sein.
Enfin, nous avons conçu une méthode analytique de calcul de dose qui incorpore l'atténuation et la diffusion des photons, et qui est basée sur les chemins radiologiques déterminées par traçage des trajectoires. Cet algorithme est validé par l'utilisation de fantômes, des données de patients traités pour divers cancers (oesophage, tête et cou), et par la curiethérapie MammoSite du sein. Bien que cette méthode ne reproduise pas bien les diffusions latérales induites par les inhomogénéités, elle représente une amélioration majeure par-rapport-à TG43 et est rapide pour une implémentation clinique.
Tozer-Loft, Stephen M. "Dose volume analysis in brachytherapy and stereotactic radiosurgery." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366100.
Full textSwart, Gillian. "Measurement of absorbed dose for paediatric patients for the purpose of developing dose guidelines in paediatric radiology." Thesis, Peninsula Technikon, 2004. http://hdl.handle.net/20.500.11838/1546.
Full textThe radiation risks associated with children are higher than the risk for adults. Children have growing organs and they have a longer life expectancy than that of adults. As a consequence the effects of damage from radiation could be greater than in adults. Children who receive radiation damage may pass genetic damage onto future generations. This study was carried out to investigate the optimal effective x-ray dose young children need to receive who have radiographic examination to the chest at Tygerberg Hospital, South Africa. Chest radiographs are documented as being the most common radiographic examination done on children. The age groups of children participating in this study were 0-1 year, 1-5 years and 5-10 years. A total of 67 children were involved and the absorbed doses for 134 views of the anterior-posteria (AP) chest and lateral chest were measured. Entrance surface dose (ESD) values were determined, and measured mean ESD (mGy) and the ESD range was reported for each age group. This was done by attaching thermolurninescent dosirneters (TLD pellets) to the patients skin at the entrance point of the x-ray beam. The results were compared to similar studies done in Ireland and Nigeria From the ESD values obtained the absorbed doses ofthe eyes, heart, liver, thyroid and genitals could be calculated by using the "Childdose" programme ofthe NRPB. The ESD dose levels for South Africa compare favourably with Ireland. However the Nigerian values differed greatly from those of Ireland and South Africa It was very encouraging to note the comparative results achieved at Tygerberg Hospital especially due to the fact that this was the first time such study had been conducted in the Tygerberg Hospital Radiology Department. The results also compare favourable with that achieved by a group working in the United Kingdom. This group does similar surveys every five years as part of their radiation protection programme. The results were also in line with the UNSCEAR document of2000. v This study could serve as a valuable source of reference to radiographers and radiologists when performing paediatric radiology especially as the radiation absorbed dose could be used as a baseline to create awareness of size of dose received, and to limit deleterious radiation doses to patients and to prevent unnecessary exposures. A second significant outcome of the study was the effect that added filters had on the x-ray beam generated. Experiments were done in which the filtration filters were added sequentially. It was found that if the filtration was increased to 2mmAl the dose to the patient decreased by more than 20%. At 50 and 60 kV the density of the x-ray image on film only increased by 2%. From these results it may be concluded that an increase in filtration thickness used for paediatric chest x-rays should be giVIng reduced dose readings and assisting with radiation protection ofthe patient.
Shah, Nihal. "The investigation of low dose radiation hypersensitivity." Thesis, Imperial College London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405748.
Full textWong, Tony Po Yin, and tony wong@swedish org. "Improving Treatment Dose Accuracy in Radiation Therapy." RMIT University. Applied Sciences, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080104.144139.
Full textMcFadden, Sonyia Lorraine. "Radiation dose optimisation in paediatric interventional cardiology." Thesis, University of Ulster, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.516452.
Full textTootell, A. K. "Radiation dose assessment : measurement, estimation and interpretation." Thesis, University of Salford, 2018. http://usir.salford.ac.uk/48041/.
Full textBooks on the topic "Radiation dose"
National Council on Radiation Protection and Measurements., ed. When is a dose not a dose? Bethesda, MD: National Council on Radiation Protection and Measurements, 1992.
Find full textTack, Denis, Mannudeep K. Kalra, and Pierre Alain Gevenois, eds. Radiation Dose from Multidetector CT. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-24535-0.
Full textAgency, International Atomic Energy, ed. High-dose dosimetry: Proceedings of an International Symposium on High-Dose Dosimetry. Vienna: International Atomic Energy Agency, 1985.
Find full textNational Council on Radiation Protection and Measurements. Uncertainties in internal radiation: Dose assessment. Bethesda, Md: National Council on Radiation Protection and Measurements, 2010.
Find full textNational Research Council (U.S.). Committee on an Assessment of CDC Radiation Studies., ed. Radiation dose reconstruction for epidemiologic uses. Washington, DC: National Academy Press, 1995.
Find full textNational Council on Radiation Protection and Measurements. Radiation dose reconstruction: Principles and practices. Bethesda, Md: National Council on Radiation Protection and Measurements, 2010.
Find full textTubiana, Maurice, André Aurengo, and Dietrich Averbeck. La relation dose-effet et l'estimation des effets cancérogènes des faibles doses de rayonnements ionisants. Paris: Éditions Nucléon, 2005.
Find full textDetermination of dose equivalents resulting from external radiation sources. Bethesda, Md., U.S.A: The Commission, 1985.
Find full textE, Nelson Charles, and Noell K. Thomas, eds. Treatment planning & dose calculation in radiation oncology. 4th ed. New York: Pergamon Press, 1989.
Find full textE, Nelson Charles, and Noell K. Thomas, eds. Treatment planning & dose calculation in radiation oncology. 4th ed. New York: McGraw-Hill, 1989.
Find full textBook chapters on the topic "Radiation dose"
Horneck, Gerda. "Radiation Dose." In Encyclopedia of Astrobiology, 1406. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_1333.
Full textHorneck, Gerda. "Radiation Dose." In Encyclopedia of Astrobiology, 2115–16. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_1333.
Full textCarrascosa, Patricia, Carlos Capuñay, Carlos E. Sueldo, and Juan Mariano Baronio. "Radiation Dose." In CT Virtual Hysterosalpingography, 275–84. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07560-0_14.
Full textHorneck, Gerda. "Radiation Dose." In Encyclopedia of Astrobiology, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-27833-4_1333-3.
Full textDomenech, Haydee. "Dose Assessment." In Radiation Safety, 77–95. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-42671-6_6.
Full textAdamiec, Grzegorz. "Radiation Dose Rate." In Encyclopedia of Scientific Dating Methods, 1–4. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-6326-5_32-1.
Full textHorneck, Gerda. "UV Radiation Dose." In Encyclopedia of Astrobiology, 1726. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_1641.
Full textAdamiec, Grzegorz. "Radiation Dose Rate." In Encyclopedia of Scientific Dating Methods, 658–60. Dordrecht: Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-007-6304-3_32.
Full textHorneck, Gerda. "UV Radiation Dose." In Encyclopedia of Astrobiology, 2577. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_1641.
Full textElias, Jorge, and Richard C. Semelka. "Radiation Dose Reduction." In Health Care Reform in Radiology, 22–35. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118642276.ch3.
Full textConference papers on the topic "Radiation dose"
Loefgren, Stefan, and Per G. Soederberg. "Ultraviolet radiation cataract: dose dependence." In Ultraviolet Radiation Hazards. SPIE, 1994. http://dx.doi.org/10.1117/12.180821.
Full textCardoso, R., J. P. Valdez-Chaparro, and E. Rosas. "UV radiation dose measurements." In Fifth Symposium, edited by Eric Rosas, Rocío Cardoso, Juan C. Bermudez, and Oracio Barbosa-García. SPIE, 2006. http://dx.doi.org/10.1117/12.674596.
Full textPease, Ronald, Gary Dunham, and John Seiler. "Total Dose and Dose Rate Response of Low Dropout Voltage Regulators." In 2006 IEEE Radiation Effects Data Workshop. IEEE, 2006. http://dx.doi.org/10.1109/redw.2006.295473.
Full textBogorad, Alexander L., Justin J. Likar, Stephen K. Moyer, Audrey J. Ditzler, Graham P. Doorley, and Roman Herschitz. "Total Ionizing Dose and Dose Rate Effects in Candidate Spacecraft Electronic Devices." In 2008 IEEE Radiation Effects Data Workshop. IEEE, 2008. http://dx.doi.org/10.1109/redw.2008.29.
Full textPapastefanou, C., Anselmo Salles Paschoa, and Friedrich Steinhäusler. "RADIATION DOSE FROM CIGARETTE TOBACCO." In THE NATURAL RADIATION ENVIRONMENT: 8th International Symposium (NRE VIII). AIP, 2008. http://dx.doi.org/10.1063/1.2991245.
Full textAinsbury, Elizabeth, David Lloyd, Beverly Karplus Hartline, Renee K. Horton, and Catherine M. Kaicher. "Dose Estimation in Radiation Cytogenetics." In WOMEN IN PHYSICS: Third IUPAP International Conference on Women in Physics. AIP, 2009. http://dx.doi.org/10.1063/1.3137775.
Full textWang, Zujun, Zhigang Xiao, Baoping He, Shaoyan Huang, Benqi Tang, and Minbo Liu. "Total Dose Radiation Effects on COTS Array CCDs at Low Dose Rate." In 2014 IEEE Radiation Effects Data Workshop (REDW). IEEE, 2014. http://dx.doi.org/10.1109/redw.2014.7004605.
Full textHirano, Masatsugu. "Relationship Between Radiation Dose And Resolution In Angiography." In SYNCHROTRON RADIATION INSTRUMENTATION: Eighth International Conference on Synchrotron Radiation Instrumentation. AIP, 2004. http://dx.doi.org/10.1063/1.1757973.
Full textPrahardi, R., and Arundito Widikusumo. "Zero Dose." In Seminar Si-INTAN. Badan Pengawas Tenaga Nuklir, 2021. http://dx.doi.org/10.53862/ssi.v1.062021.008.
Full textHansen, D. L., M. J. Robinson, and F. Lu. "Total-Dose Effects in InP Devices." In 2007 IEEE Radiation Effects Data Workshop. IEEE, 2007. http://dx.doi.org/10.1109/redw.2007.4342542.
Full textReports on the topic "Radiation dose"
Diwan, M. V., and N. V. Baggett. Radiation dose in SSC calorimeters. Office of Scientific and Technical Information (OSTI), August 1993. http://dx.doi.org/10.2172/10185515.
Full textStabin, M. G., J. B. Stubbs, and R. E. Toohey. Radiation dose estimates for radiopharmaceuticals. Office of Scientific and Technical Information (OSTI), April 1996. http://dx.doi.org/10.2172/238511.
Full textCagnon, Christopher, John Boone, Jerrold Bushberg, John DeMarco, Daniel Low, Michael McNitt-Gray, Anthony Seibert, and Lynne Fairobent. Radiation Dose from Airport Scanners. AAPM, June 2013. http://dx.doi.org/10.37206/145.
Full textFurr, J. M., J. J. Mayberry, and D. A. Waite. Agriculture-related radiation dose calculations. Office of Scientific and Technical Information (OSTI), October 1987. http://dx.doi.org/10.2172/5816146.
Full textUlmen, Benjamin, Kendall Depriest, Aaron Olson, Timothy Webb, and Jarrod Edwards. Saturn Radiation Dose Environment Characterization. Office of Scientific and Technical Information (OSTI), October 2021. http://dx.doi.org/10.2172/1825359.
Full textLevy, R. P. Oligodendroglial response to ionizing radiation: Dose and dose-rate response. Office of Scientific and Technical Information (OSTI), December 1991. http://dx.doi.org/10.2172/5482509.
Full textLevy, Richard P. Oligodendroglial response to ionizing radiation: Dose and dose-rate response. Office of Scientific and Technical Information (OSTI), December 1991. http://dx.doi.org/10.2172/10132524.
Full textGould, Michael N. Epigenomic Adaptation to Low Dose Radiation. Office of Scientific and Technical Information (OSTI), June 2015. http://dx.doi.org/10.2172/1187966.
Full textWeil, Michael, and Robert Ullrich. Radiation Leukemogenesis at Low Dose Rates. Office of Scientific and Technical Information (OSTI), September 2013. http://dx.doi.org/10.2172/1093865.
Full textJirtle, Randy. Epigenomic Adaptation to Low Dose Radiation. Office of Scientific and Technical Information (OSTI), August 2014. http://dx.doi.org/10.2172/1149995.
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