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Zeitschriftenartikel zum Thema „Débit de dose gamma“

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Veröffentlicht am 25. Mai 2024

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1

Bernat, P., PP Vistoli, and S. Camaro. "Étude du comportement à long terme des déchets radioactifs. Utilisation du code de calcul Mercure IV pour la détermination du débit de dose gamma dans des échantillons de grandes tailles." Journal de Chimie Physique 93 (1996): 12–15. http://dx.doi.org/10.1051/jcp/1996930012.

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2

Cosset, J. M., and C. Haie-Meder. "Curiethérapie du cancer prostatique : haut débit ou bas débit de dose ?" Cancer/Radiothérapie 9, no. 8 (2005): 610–19. http://dx.doi.org/10.1016/j.canrad.2005.09.019.

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3

Nickers, P., P. Blanchard, J. M. Hannoun-Lévi, A. Bossi, O. Chapet, and S. Guérif. "Curiethérapie prostatique de haut débit de dose." Cancer/Radiothérapie 17, no. 2 (2013): 118–24. http://dx.doi.org/10.1016/j.canrad.2013.02.005.

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4

Fouillade, Charles, Vincent Favaudon, Marie-Catherine Vozenin, et al. "Les promesses du haut débit de dose en radiothérapie." Bulletin du Cancer 104, no. 4 (2017): 380–84. http://dx.doi.org/10.1016/j.bulcan.2017.01.012.

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5

Métayer, Y., P. Meyer, C. Brunaud, and D. Peiffert. "Contrôle de qualité en curiethérapie de débit de dose pulsé." Cancer/Radiothérapie 13, no. 4 (2009): 318–22. http://dx.doi.org/10.1016/j.canrad.2009.02.005.

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6

Peiffert, D., D. Spaeth, O. Menard, and J. Winnefeld. "La curiethérapie endobronchique de haut débit de dose: un traitement curatif." Cancer/Radiothérapie 4, no. 3 (2000): 197–201. http://dx.doi.org/10.1016/s1278-3218(00)89094-0.

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7

Charra-Brunaud, C., D. Peiffert, S. Hoffstetter, C. Marchai, V. Beckendorf, and P. Bey. "Curiethérapie postopératoire à bas débit de dose des adénocarcinomes de ï'endomètre." Bulletin du Cancer/Radiothérapie 83, no. 4 (1996): 422. http://dx.doi.org/10.1016/s0924-4212(97)86127-0.

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8

Le Bourhis, J., J. F. Moreira, V. Chassin, D. Donnarieix, and M. Lapeyre. "Curiethérapie interstitielle de débit pulsé ORL : utilisation des histogrammes dose–volume." Cancer/Radiothérapie 15, no. 6-7 (2011): 562. http://dx.doi.org/10.1016/j.canrad.2011.07.008.

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9

Bernadou, G., I. Barillot, A. Régnault-Bougnoux, G. Calais, S. Chapet, and A. Ruffier-Loubière. "Analyse comparative de la toxicité tardive de la curiethérapie de haut débit de dose et de celle de bas débit de dose du cancer de l’endomètre." Cancer/Radiothérapie 19, no. 6-7 (2015): 685–86. http://dx.doi.org/10.1016/j.canrad.2015.07.121.

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10

Charra-Brunaud, C., D. Peiffert, S. Hoffstetter, E. Luporsi, F. Guillemin, and P. Bey. "Curiethérapie vaginale postopératoire des adénocarcinomes de l'endomètre à bas débit de dose." Cancer/Radiothérapie 2, no. 1 (1998): 34–41. http://dx.doi.org/10.1016/s1278-3218(98)89059-8.

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11

Wdowczyk, D., P. Joffroy, and T. Pangrazzi. "Curiethérapie de prostate de haut débit de dose : descriptif des outils dosimétriques." Cancer/Radiothérapie 13, no. 6-7 (2009): 685–86. http://dx.doi.org/10.1016/j.canrad.2009.08.110.

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12

Reygagne Viera, E., V. Huguier, O. Boissonade, et al. "Curiethérapie de haut débit de dose multifractionnée des cicatrices chéloïdes : expérience préliminaire." Cancer/Radiothérapie 18, no. 5-6 (2014): 636. http://dx.doi.org/10.1016/j.canrad.2014.07.140.

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13

Hansen, Joyce M., Niki Fidopiastis, Trabue Bryans, Michelle Luebke, and Terri Rymer. "Radiation Sterilization: Dose Is Dose." Biomedical Instrumentation & Technology 54, s1 (2020): 45–52. http://dx.doi.org/10.2345/0899-8205-54.s3.45.

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Abstract In the radiation sterilization arena, the question often arises as to whether radiation resistance of microorganisms might be affected by the energy level of the radiation source and the rate of the dose delivered (kGy/time). The basis for the question is if the microbial lethality is affected by the radiation energy level and/or the rate the dose is delivered, then the ability to transfer dose among different radiation sources could be challenged. This study addressed that question by performing a microbial inactivation study using two radiation sources (gamma and electron beam [E-beam]), two microbial challenges (natural product bioburden and biological indicators), and four dose rates delivered by three energy levels (1.17 MeV [gamma], 1.33 MeV [gamma], and 10 MeV [high-energy E-beam]). Based on analysis of the data, no significant differences were seen in the rate of microbial lethality across the range of radiation energies evaluated. In summary, as long as proof exists that the specified dose is delivered, dose is dose.

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14

Taulelle, M., B. Chauvet, P. Vincent, et al. "Curiethérapie endobronchique à haut débit de dose : résultats et complications chez 189 patients." Bulletin du Cancer/Radiothérapie 83, no. 3 (1996): 127–34. http://dx.doi.org/10.1016/0924-4212(96)81744-0.

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15

Favaudon, V. "Radiothérapie flash à très haut débit de dose : point sur les avancées récentes." Cancer/Radiothérapie 23, no. 6-7 (2019): 674–76. http://dx.doi.org/10.1016/j.canrad.2019.07.127.

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16

Low, Daniel A. "Gamma Dose Distribution Evaluation Tool." Journal of Physics: Conference Series 250 (November 1, 2010): 012071. http://dx.doi.org/10.1088/1742-6596/250/1/012071.

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17

Leclerc, M., C. Béchade, P. Henri, et al. "Le débit de la pompe à sang n’a que peu d’impact sur la dose de dialyse en hémodialyse quotidienne à bas débit de dialysat." Néphrologie & Thérapeutique 12, no. 5 (2016): 327. http://dx.doi.org/10.1016/j.nephro.2016.07.095.

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18

Kochbati, L., H. Marsiglia, P. Baldeyrou, et al. "Curiethérapie à haut débit de dose (CHDD) à visée palliative dans les cancers bronchiques." Bulletin du Cancer/Radiothérapie 83, no. 4 (1996): 424. http://dx.doi.org/10.1016/s0924-4212(97)86134-8.

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19

-Ferlet-Cavrois, Véronique. "Simulation de l'effet du débit de dose sur des transistors MOS en technologie SOI." Revue de l'Electricité et de l'Electronique -, no. 04 (1997): 83. http://dx.doi.org/10.3845/ree.1997.053.

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20

Moreau-Claeys, M. V., C. Brunaud, S. Hoffstetter, I. Buchheit, and D. Peiffert. "Curiethérapie postopératoire du fond vaginal de haut débit de dose dans le cancer endométrial." Cancer/Radiothérapie 15, no. 3 (2011): 169–75. http://dx.doi.org/10.1016/j.canrad.2010.09.002.

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21

Mazeron, R., I. Dumas, V. Martin, et al. "Curiethérapie de débit de dose pulsé dans les cancers du col utérin : pourquoi, comment ?" Cancer/Radiothérapie 18, no. 5-6 (2014): 447–51. http://dx.doi.org/10.1016/j.canrad.2014.06.010.

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22

Roussille, P., B. Roullet, O. Boissonnade, et al. "Curiethérapie de haut débit de dose, anale, multifractionnée : évaluation préliminaire de la réponse clinique." Cancer/Radiothérapie 19, no. 6-7 (2015): 681–82. http://dx.doi.org/10.1016/j.canrad.2015.07.112.

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23

Marchal, C., C. Corbice, and C. Marchal. "Installation d’un projecteur de curiethérapie de haut débit de dose dans un bunker d’accélérateur." Cancer/Radiothérapie 19, no. 6-7 (2015): 695–96. http://dx.doi.org/10.1016/j.canrad.2015.07.146.

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24

Benabid, D., D. Brune, F. Lesaunier, JC Vernhes, B. Mauger, and JF Tranchant. "P61 La curiethérapie endocavitaire vaginale à bas débit de dose (BDD), et la curiethérapie à haut débit de dose (HDD), dans le cancer de l'endomètre: expérience du centre Francois-Baclesse de Caen." Cancer/Radiothérapie 2, no. 5 (1998): 633. http://dx.doi.org/10.1016/s1278-3218(98)80134-0.

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25

Sarradin, M., I. Troussier, C. Évrard, et al. "Escalade de dose focale sur l’indice tumoral par curiethérapie de haut débit de dose associée et radiothérapie tridimensionnelle conformationnelle." Cancer/Radiothérapie 19, no. 6-7 (2015): 671–72. http://dx.doi.org/10.1016/j.canrad.2015.07.087.

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26

Kulhar, Manjeet, Kashyap Dhoot, and Arun Pandya. "Gamma Dose Rate Measurement Using RadFET." IEEE Transactions on Nuclear Science 66, no. 10 (2019): 2220–28. http://dx.doi.org/10.1109/tns.2019.2942955.

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27

Shamshad, A., M. Rashid, and A. Husain. "High gamma dose dosimetry by polycarbonates." Radiation Physics and Chemistry 50, no. 3 (1997): 307–11. http://dx.doi.org/10.1016/s0969-806x(97)00038-8.

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28

Biagtan, E., E. Goldberg, R. Stephens, E. Valeroso, and J. Harmon. "Gamma dose and dose rate effects on scintillator light output." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 108, no. 1-2 (1996): 125–28. http://dx.doi.org/10.1016/0168-583x(95)00874-8.

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29

Omori, Y., S. Inoue, T. Otsuka, Y. Nagamatsu, A. Sorimachi, and T. Ishikawa. "REDUCTION IN AMBIENT GAMMA DOSE RATE FROM RADIOCESIUM DUE TO SNOW COVER." Radiation Protection Dosimetry 184, no. 3-4 (2019): 510–13. http://dx.doi.org/10.1093/rpd/ncz091.

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Abstract In the present study, variations in ambient gamma dose rate associated with snow cover were examined in a radioactive-contaminated site in Fukushima Prefecture, Japan. The ambient gamma dose rates decreased with increasing snow depth. The reduction trends were different between fresh snow (0.1–0.2 g/cm3) and granular snow (0.3–0.4 g/cm3) depending on snow density. Snow cover water content (snow water equivalent) calculated from snow depth and density was a key parameter governing the reduction in the ambient gamma dose rate. The ambient gamma dose rates reduced to 0.6 and 0.5 at 4 g/cm2 and 8 g/cm2 of snow water equivalent, respectively. Based on gamma-ray flux density distributions, the ambient gamma dose rates from the primary gamma rays decreased more compared to those from scattered gamma rays due to snow cover.

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30

Al-Azmi, Darwish. "Indoor Gamma Dose Rates In Kuwait Using Handheld Gamma-ray Spectrometer." Health Physics 111, no. 1 (2016): 11–16. http://dx.doi.org/10.1097/hp.0000000000000510.

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31

Sanzelle, S., H. Erramli, J. Faïn, and D. Miallier. "The assessment of gamma dose-rate by gamma-ray field spectrometer." International Journal of Radiation Applications and Instrumentation. Part D. Nuclear Tracks and Radiation Measurements 14, no. 1-2 (1988): 209–13. http://dx.doi.org/10.1016/1359-0189(88)90066-0.

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32

Trihi, M., JL Duroux, MJ Hyvernaud, and M. Bernard. "Dosimétrie à haut débit de dose : mise au point d'un « chronodosimètre » à base de PMMA." Journal de Chimie Physique 93 (1996): 231–34. http://dx.doi.org/10.1051/jcp/1996930231.

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33

Omori, Yasutaka, Takuma Ishikawa, Atsuyuki Sorimachi, and Tetsuo Ishikawa. "DISTRIBUTIONS OF INDOOR GAMMA DOSE RATES IN RELATION TO GAMMA-RAY EMISSIONS FROM BUILDING MATERIALS: CASE STUDY OF HIGH-RISE CONCRETE BUILDING IN FUKUSHIMA." Radiation Protection Dosimetry 184, no. 1 (2018): 116–26. http://dx.doi.org/10.1093/rpd/ncy192.

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Abstract The spatial distribution of ambient gamma dose rates in a high-rise steel-reinforced concrete building in Fukushima, Japan, was examined relative to the gamma-ray emissions from building materials and radionuclides derived from the 2011 nuclear accident. The results revealed the minor role of accident-derived radionuclides in ambient gamma dose rates ~7 y after the accident. The ambient gamma dose rates were higher in the upper floors because of gamma-ray emissions from natural radionuclides in the floor slabs. The fractional contribution of natural radionuclides to the ambient gamma dose rates indicated compositional differences in concrete between the upper- and lower-floor slabs.

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34

Saini, H. K., and M. I. S. Gill. "Induction of Mutation in Rough Lemon (Citrus jambhiri Lush.) Using Gamma Rays." Journal of Horticultural Sciences 4, no. 1 (2009): 41–44. http://dx.doi.org/10.24154/jhs.v4i1.554.

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The present investigation was carried out to study variability induced by gamma rays with respect to vegetative characters and LD50 dose in Rough lemon. Rough lemon seeds were gamma irradiated at doses of 0, 4, 6 and 8 kr along with control. Seed germination decreased with increasing dose of gamma radiation. Seedling height and leaf size also decreased with increasing dose of gamma radiation, whereas, apical branching, number of branches/seedling, number of variegated / albino seedlings and number of leaves increased with increasing dose of gamma radiation. Maximum variability for seedling height, number of leaves, leaf size, colour, internode length, and per cent apical branching was observed at two months from sowing in seeds treated with 8 kr dose of gamma radiation. Variability for all characters was, however, found to be minimum in the control.

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35

Omori, Yasutaka, Atsuyuki Sorimachi, Manlaijav Gun-Aajav, et al. "ELEVATION OF GAMMA DOSE RATE BY CONSTRUCTION OF THE ASIAN HIGHWAY 3 (AH3) BETWEEN ULAANBAATAR AND SAINSHAND, MONGOLIA." Radiation Protection Dosimetry 184, no. 1 (2018): 127–34. http://dx.doi.org/10.1093/rpd/ncy173.

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Abstract The present study aimed at examining changes of gamma radiation level associated with road construction in Mongolia. A car-borne survey of gamma dose rate was made for a paved, ~450-km long part of the Asian Highway 3 between Ulaanbaatar and Sainshand. The gamma dose rates ranged from 48 to 173 nGy/h. Elevation of the gamma dose rates was observed only on a 86-km long segment of the survey route which was newly constructed from 2011 to 2013. The gamma dose rates over the newer paved segment were twice as high as those over the bare dirt surface alongside it. Outdoor measurements of gamma-ray pulse height distributions also indicated an abundance of natural radionuclides, especially 232Th-series elements in road materials. These findings suggest that the gamma dose rates were elevated by introduction of road materials containing large amounts of natural radionuclides.

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36

Waheeb, Ahmed H., Zeinab Eltaher, Mohamed N. Yassin, and Magdy M. Khalil. "Comparison between different Dosimetric Tools based on Intensity-modulated Radiotherapy (IMRT): A Phantom Study." NeuroQuantology 19, no. 11 (2021): 141–50. http://dx.doi.org/10.14704/nq.2021.19.11.nq21184.

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This study examined the gamma passing rate (GPR) consistency during applying different kinds of gamma analyses and dosimeters to IMRT. Methods: Import treatment protocols for QA phantom irradiation have been recalculated. A gamma analysis was used for comparing the measured and calculated dose distribution of IMRT for different gamma criteria (2%/2mm, 3%/3mm, 4%/4mm, 3%/5mm, 3%/5mm). These criteria are evaluated when 5%, 10%, or 15% of the dose distribution is suppressed. Measured and calculated dose distribution was evaluated with gamma analysis to dose difference (DD) with DTA criteria (distance to agreement). IMRT QA plans to 25 patients from various sites were formed with the Varian Eclipse treatment planning system. Results: Results indicate different diverse hardware and software combinations show varied levels of agreement with expected analysis for the same pass-rate criterion. For a dosimetry audit of the IMRT technique, an EPID detector is superior to conventional methods comparable to Gafchromic EPT3 film and 2D array due to cost, time-consuming, and set up error to get result analysis. The gamma passing rate (GPR) average is increased by increasing the low-dose threshold for different dosimetric tools. For EPID, regardless of the gamma criterion employed, the %GP does not appear to be dependent on the low-dose threshold values (5%-15%) because it indicates that fulfilment the low-dose threshold to global normalization has little effect on patient-specific QA outcomes. Conclusions: It is concluded that GPRs differ depending on gamma, dosimetric tools, and the suppressing dose ratio. To get the best results of quality assurance, each institution should thus carefully develop its procedure for gamma analysis by defining the gamma index analysis and gamma criterion using its dosimetric tools.

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37

KARATEPE ÇELİK, Şule, and Sultan ŞAHİN BAL. "Environmental Gamma Dose Measurement in Arin Lake (Bitlis)." Karadeniz Fen Bilimleri Dergisi 13, no. 4 (2023): 1729–37. http://dx.doi.org/10.31466/kfbd.1332646.

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Arin Lake is a stopover for many migratory bird species, mostly flamingos and songbirds.The assignment of gamma dose rate is very important for the air quality of an environment and human health. For this purpose, the environmental gamma radiation dose rate in air was measured for 27 different point in Arin Lake area in Bitlis province. Measurements were conducted using a portable gamma survey meter supplied with a NaI(Tl) scintillation detector. Gamma dose values were measured in the range 0.035 - 0.165 μSv/h for ground level with mean 0.117 μSv/h. Similarly gamma dose values for 1 m above the ground were measured in the range 0.027 - 0.150 μSv/h with mean 0.104 μSv/h.

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38

Choudat, D., L. Bensefa, E. Causse, C. Villette, and J. F. Fabriès. "Comparaison des relations dose-réponse entre farines de blé et de seigle dans l’asthme professionnel et rôle du débit de dose." Archives des Maladies Professionnelles et de l'Environnement 65, no. 5 (2004): 442–43. http://dx.doi.org/10.1016/s1775-8785(04)93486-8.

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39

Wahjuningrum, Dian Agustin, Setyabudi Setyabudi, Darmawan Darwis, and Andi Syahrimayani. "Determination of gamma radiation sterilization dose on bioceramic BCP-Sr-Ag as bone graft according to ISO 11137 standards." Conservative Dentistry Journal 13, no. 1 (2023): 19–23. http://dx.doi.org/10.20473/cdj.v13i1.2023.19-23.

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Background: BCP-Sr-Ag as a bone graft needs to be sterilized. One way of sterilization is to use gamma radiation. Sterilization by gamma radiation requires the correct sterilization dose. Based on ISO 11137 the determination of the sterilization dose through 3 steps: determination bioburden, determination of verification dose, and determination of sterilization dose. Purpose:Determination of gamma radiation sterilization dose on BCP-Sr-Ag bioceramic as bone graft based on ISO 11137 through determination bioburden, determination verification dose, and determination of sterilization dose. Method: A total 30 samples of 3 different batch BCP-Sr-Ag were determined for bioburden using TSA media. A total 100 samples of BCP-Sr-Ag were irradiated with a verification dose using cobalt-60 gamma source. The 100 samples then tested for sterilization using TSA media to determine the sterilization dose. Results: The average bioburden values of batches 1,2, and 3 were 56,8;61,8; and 60,5 CFU. The average value of the whole batch is 59,7 CFU. Based on ISO 11137, the verification dose is 7,4 kGy and the sterilization dose is 20,5 kGy. Conclusion: The average bioburden value of the entire batch was 59,7 CFU. The bioburden value used for verification dose determination is 64,22 CFU so the the gamma radiation sterilization dose is 20,5 kGy.

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40

Alves, Carlos, and Jorge Sanjurjo-Sánchez. "An Overview of Radiological Hazards Related to Geological External Gamma Radiation in Outdoor Environments." Proceedings 2, no. 10 (2018): 562. http://dx.doi.org/10.3390/iecg_2018-05337.

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Rocks and soils are an important source of external gamma radiation due to their content in U, Th, and K. The dose rate derived from the emission of gamma-rays of radioisotopes can be directly measured or assessed from their content. In the present study, values of outdoor gamma radiation absorbed dose rate are analyzed to explore the implications of levels related to those values in terms of the exposure time necessary for attaining a certain yearly effective dose. We propose simple relations with the absorbed dose rate and with the gamma index of materials.

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41

M.N, Noramaliza, Mohd Amirul Azrie M.R, Nur Amalina A, and Nur Syafinaz S. "DOSE MAPPING OF GAMMA IRRADIATION CHAMBER (GIC)." Asian Journal Of Medical Technology 2, no. 1 (2022): 49–57. http://dx.doi.org/10.32896/ajmedtech.v2n1.49-57.

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The use of gamma rays to irradiate blood products have been demonstrated to reduce the probability of post-transfusion graft versus host disease. The aim of this study is to investigate the accuracy of a new batch of Gafchromic EBT-XD films to map the homogeneity of gamma radiation dose delivered to the blood bags and identify the lowest and highest levels of radiation exposure to the blood. The Gammacell 3000 Elan Gamma irradiation chamber (GIC) @ Blood Irradiator with Cesium-137 source was used. During the gamma irradiation at an exposure of 8 minutes 51 seconds to deliver a central dose of 25 Gy to the film, the EBT-XD films were placed at the centre of a blood-equivalent phantom. The doses then were measured using dose mapping analysis of Gafchromic EBT-XD film. The responses of EBT-XD films were compared with EBT3 films and GS 300 Dose Mapping Report 2021 prepared by Best Theratronics Dosimetry Laboratory, Canada. Results showed the value of doses obtained from the mapping using EBT-XD were reliable compared with the doses measured in EBT3 film as they were in the range of the acceptable dose ranges for blood irradiation procedures. The mapping with EBT-XD film yielded a minimum dosage of 18 Gy and a maximum exposure of 32 Gy at 8 minutes 51 seconds of irradiation. In conclusion, EBT-XD offered excellent dosimetric characteristics and has a the potential to dose map the blood irradiator.

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42

Narayan, P., S. G. Vaijapurkar, K. R. Senwar, D. Kumar, and P. K. Bhatnagar. "Accidental gamma dose measurement using commercial glasses." Radiation Protection Dosimetry 130, no. 3 (2008): 319–24. http://dx.doi.org/10.1093/rpd/ncn051.

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43

Saraswati, Niki. "Low Dose Gamma Ray Exposure in Mandala." International Journal of High Energy Physics 2, no. 6 (2015): 61. http://dx.doi.org/10.11648/j.ijhep.20150206.11.

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Pai, Fu-Yuan, Ching-Jen Chen, Wen-Hsin Wang, et al. "Low-Dose Gamma Knife Radiosurgery for Acromegaly." Neurosurgery 85, no. 1 (2018): E20—E30. http://dx.doi.org/10.1093/neuros/nyy410.

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Vaijapurkar, S. G., R. Raman, and P. K. Bhatnagar. "Sand—a high gamma dose thermoluminescence dosimeter." Radiation Measurements 29, no. 2 (1998): 223–26. http://dx.doi.org/10.1016/s1350-4487(97)00229-1.

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