Letteratura scientifica selezionata sul tema "Radioisotopes – Safety measures"

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Articoli di riviste sul tema "Radioisotopes – Safety measures"

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IIMOTO, Takeshi, Keiji KIMURA, Eriko HAYASHI, Tomoko M. NAKANISHI, Toshiso KOSAKO, and Nobuyuki SUGIURA. "Internal/International Situation on Safety for Nuclear Materials, and Discussion on Measures in Facilities." RADIOISOTOPES 57, no. 6 (2008): 393–403. http://dx.doi.org/10.3769/radioisotopes.57.393.

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Kambali, Imam, Indra Saptiama, and Hari Suryanto. "Residual Radioisotopes Generated from Neutron Irradiated Aluminum Capsules." Aceh International Journal of Science and Technology 6, no. 3 (December 31, 2017): 104–10. http://dx.doi.org/10.13170/aijst.6.3.8116.

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Abstract (sommario):
Aluminum (Al) is often used to house a molybdenum oxide (MoO3) target for neutron or proton-produced technetium-99m (99mTc) radioisotope. During neutron or proton bombardment of an Al body, residual radioisotopes could be generated following nuclear reactions between the incoming particles and the Al body. In this research, residual radioisotopes produced following nuclear reactor based-neutron irradiation of Al body were experimentally measured using a portable gamma ray spectroscopy system; whereas TALYS 2015 calculated data were used to evaluate various nuclear reactions for the by-product
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Sarshough, Samira, Kamal Hadad, and Reza Faghihi. "Particle size and concentration effects on low energy X-ray attenuation in nanostructure and microstructure materials." Nuclear Technology and Radiation Protection 33, no. 1 (2018): 75–80. http://dx.doi.org/10.2298/ntrp1801075s.

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The effects of microsize and nanosize particles in composite structures as well as the incident radiation energy on X-ray attenuation is the focus of this study. To examine these effects, composite samples with different particle sizes of Al2O3 and with different thicknesses were prepared. Characteristic X-rays are applied as monochromatic X-rays and measurements were performed using an X-ray tube with a secondary excitation source instead of radioisotopes. In order to improve the efficiency and minimize the background effects a special detection system was designed and prepared. The linear at
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Salman, Muhammad, Christina Macano, Rishabha D. Sharma, and Alfonso Antequerra. "Magnetic nanoparticle technique versus radioisotope technique in detection of sentinel lymph node in early breast cancer: a systematic review and meta-analysis." International Surgery Journal 8, no. 6 (May 28, 2021): 1870. http://dx.doi.org/10.18203/2349-2902.isj20212284.

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Abstract (sommario):
Sentinel lymph node biopsy is the standard technique to stage the axilla in early breast cancer. The gold standard is the dual technique of radioisotope and blue dye injection. The drawbacks of dual technique include handling and disposal of radioactive material. Equally reliable, user and patient friendly, magnetic tracer super paramagnetic iron oxide, was compared with the radioisotope tracer in detection of Sentinel lymph node in a clinically node negative axilla in early breast cancer in this meta-analysis, with emphasis on the utility and safety of both techniques. PubMed, Medline were se
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Ateia, Embarka, Olivera Ciraj-Bjelac, Milojko Kovacevic, Petar Belicev, Bratislav Cvetkovic, and Ivan Anicin. "Additional dose assessment from the activation of high-energy linear accelerators used in radiation therapy." Nuclear Technology and Radiation Protection 23, no. 2 (2008): 58–64. http://dx.doi.org/10.2298/ntrp0802058a.

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It is well known that medical linear accelerators generate activation products when operated above certain electron (photon) energies. The aim of the present work is to assess the activation behavior of a medium-energy radiotherapy linear accelerator by applying in situ gamma-ray spectrometry and dose measurements, and to estimate the additional dose to radiotherapy staff on the basis of these results. Spectral analysis was performed parallel to dose rate measurements in the isocenter of the linear accelerator, immediately after the termination of irradiation. The following radioisotopes were
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Fairweather-Tait, Susan J., and Agnès de Sesmaisons. "Approaches used to estimate bioavailability when deriving dietary reference values for iron and zinc in adults." Proceedings of the Nutrition Society 78, no. 1 (July 27, 2018): 27–33. http://dx.doi.org/10.1017/s0029665118000484.

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Abstract (sommario):
This review aims to describe approaches used to estimate bioavailability when deriving dietary reference values (DRV) for iron and zinc using the factorial approach. Various values have been applied by different expert bodies to convert absorbed iron or zinc into dietary intakes, and these are summarised in this review. The European Food Safety Authority (EFSA) derived zinc requirements from a trivariate saturation response model describing the relationship between zinc absorption and dietary zinc and phytate. The average requirement for men and women was determined as the intercept of the tot
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Kulseng, Carl Petter Skaar, and Jon Christoffer Sandstrøm. "Effective doses to staff and dose rates emitted from patients undergoing positron emission tomography utilizing 18F- Fluorodeoxglucose." Radiography Open 2, no. 1 (November 30, 2015): 1–14. http://dx.doi.org/10.7577/radopen.1526.

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IntroductionThe purpose of this two--folded quantitative study was to determine the radiation doses received by staff during 2014 at the PET--department at St. Olavs Hospital in Trondheim, Norway. Although studies show that the doses received by staff performing such examinations are far beneath the limits set by regulation, there was a need to determine how much radiation the staff at this clinic actually was exposed to. We investigated in detail both dose rates emitted by 18 F from different parts of the body to the surroundings along with effective doses to staff during 2014.MethodPart one
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McKay, Rana R., Heather Jacene, Pamela J. Atherton, Gabriela Perez Burbano, Archana Ajmera, Shiva Baghaie, Janet Koball, et al. "A randomized trial of radium-223 (Ra-223) dichloride and cabozantinib in patients (pts) with advanced renal cell carcinoma (RCC) with bone metastases (RADICAL/Alliance A031801)." Journal of Clinical Oncology 39, no. 15_suppl (May 20, 2021): TPS4593. http://dx.doi.org/10.1200/jco.2021.39.15_suppl.tps4593.

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Abstract (sommario):
TPS4593 Background: Bone metastases are prevalent in approximately 30% of pts with advanced RCC. Pts with bone metastases have a worse prognosis compared to pts without bone metastases and are at risk of symptomatic skeletal events (SSEs). Cabozantinib, a multitargeted inhibitor of multiple kinases, including vascular endothelial growth factor (VEGF) receptor and MET, has improved survival in pts with metastatic RCC and has enhanced activity in bone. Ra-223, an alpha-emitting radioisotope with natural bone-seeking proclivity, has been shown to prolong survival in men with castration-resistant
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Chu, Bae P., Neeta Pandit-Taskar, Boglarka Gyurkocza, Qing Liang, Daniel Miodownik, Vijay Reddy, Mark S. Berger, and Lawrence T. Dauer. "Feasibility of Administering Anti-CD45 Iodine (131I) Apamistamab [Iomab-B] for Re-Induction and Targeted Conditioning in Older Patients with Active, Relapsed or Refractory AML without Lead-Lined Rooms: Sierra Trial Experience at MSKCC." Blood 134, Supplement_1 (November 13, 2019): 5839. http://dx.doi.org/10.1182/blood-2019-131230.

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Abstract (sommario):
Background: Patients ≥55 years of age with active, relapsed or refractory acute myeloid leukemia (R/R AML) who have failed standard induction and salvage therapies do not routinely undergo allogeneic hematopoietic cell transplantation (HCT) due to their inability to receive myeloablative conditioning and lack of efficacy. The SIERRA trial is a prospective, randomized, phase 3, open-label, multicenter trial designed to address this significant unmet need. Preliminary results have shown the re-induction and targeted conditioning therapy with Iomab-B can lead to successful engraftment. Because of
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Moldashi, D. N. "Methods for identifying system tasks of strategic management and improving efficiency of exploration enterprise." Gornye nauki i tekhnologii = Mining Science and Technology (Russia) 5, no. 3 (October 19, 2020): 266–84. http://dx.doi.org/10.17073/2500-0632-2020-3-266-284.

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Abstract (sommario):
A geological exploration company is a modern enterprise, possessing advanced techniques and carrying out full range of high quality exploration for all types of solid minerals in accordance with world standards, which is the center of competence in uranium geology, as well as provides its services in the field of exploration for solid minerals. To date, the tasks of ensuring replenishment of explored mineral reserves, increasing efficiency of their use, as well as increasing profitability and capitalization of enterprises of mining-and-processing industry remains relevant. To implement a set o
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Tesi sul tema "Radioisotopes – Safety measures"

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Turcanu, Catrinel. "Multi-criteria decision aiding model for the evaluation of agricultural countermeasures after an accidental release of radionuclides to the environment." Doctoral thesis, Universite Libre de Bruxelles, 2007. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210642.

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Abstract (sommario):
Multi-criteria decision aid has emerged from the operational research field as the answer given to a couple of important questions encountered in complex decisions problems. Firstly, as decision aiding tools, such methods do not replace the decision maker with a mathematical model, but support him to construct his solution by describing and evaluating his options. Secondly, instead of using a unique criterion capturing all aspects of the problem, in the multi-criteria decision aid methods one seeks to build multiple criteria, representing several points of view. <p>This work explores the appli
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Bartolo, William Charles Francis Safety Science Faculty of Science UNSW. "Radioisotope laboratory safety auditing, compliance and associated problems in NSW." 2007. http://handle.unsw.edu.au/1959.4/40787.

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Abstract (sommario):
This thesis reports on the modification of the "Safecode" computer-program to monitor the safety of radio-isotope laboratories, and its application to 24 compliance audits in NSW during the period 1999 to 2006. Additionally, an attempt was made to predict the level of risk to persons working within those laboratories. Based on the current NSW radiation control legislation and the relevant Australian Standards a comprehensive audit checklist was developed for this project. Each safety requirement in those documents was used to develop a question, resulting in 187 questions in the checklist.
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Libri sul tema "Radioisotopes – Safety measures"

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University of Prince Edward Island. Radiation safety manual. Charlottetown: University of Prince Edward Island, 1987.

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2

Seshiumu no ABC. Tōkyō-to Bunkyō-ku: Nihon Aisotōpu Kyōkai, 2014.

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Polʹskiĭ, O. G. Radioizotopnye pribory i mery bezopasnosti pri ikh ėkspluatat͡s︡ii. Moskva: Ėnergoatomizdat, 1996.

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Japan) Hōiken Kankyō Seminā (20th 1992 Chiba-shi. Kankyō to kōshū no anzen no tame no apurōchi: Hōshasei kakushu no seitaikei ikō, taisha, senryō suitei. Chiba-shi: Hōshasen Igaku Sōgō Kenkyūjo, 1993.

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Tahseen, Kazi, Bīrīrā Jūdīth, and Monterey Institute of International Studies. Center for Nonproliferation Studies., eds. Commercial radioactive sources: Surveying the security risks. Monterey, Calif: Monterey Institute of International Studies, Center for Nonproliferation Studies, 2003.

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Iman, Ronald L. PARTITION, a program for defining the source term/consequence analysis interface in the NUREG-1150 probabilistic risk assessments: User's guide. Washington, DC: Division of Systems Research, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1990.

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International Commission on Radiological Protection. Committee II on Permissible Dose for Internal Radiation. Age-dependent doses to members of the public from intake of radionuclides: Part 1. ; a report. Oxford: Published for the International Commission on Radiological Protection by Pergamon Press, 1990.

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8

International Commission on Radiological Protection. Lung cancer risk from indoor exposures to radon daughters: A report. Oxford: Pergamon for the International Commission on Radiological Protection, 1987.

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9

International Commission on Radiological Protection. Lung cancer risk from indoor exposures to radon daughters: A report. Oxford: Published for the Commission by Pergamon Press, 1987.

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10

Rōdōshō, Japan, and Japan, eds. Denri hōshasen shōgai bōshi kisoku no kaisetsu. 3rd ed. Tōkyō: Chūō Rōdō Saigai Bōshi Kyōkai, 2011.

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Più fonti

Atti di convegni sul tema "Radioisotopes – Safety measures"

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Aggarwal, S., G. Charters, and D. Thacker. "Characterization and Decontamination of Contaminated Structures Using a Profiling Technology." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4974.

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Abstract (sommario):
Certain radioisotopes (tritium, radium, cobalt, plutonium, and cesium) can penetrate porous concrete and contaminate the concrete well below the easily measured surface. Certain radioisotopes can penetrate concrete and contaminate the concrete well below the surface. The challenge is to determine the extent of the contamination problem and the magnitude of the problem in a real-time. Currently, concrete core bores are shipped to certified laboratories where the concrete residue is run through a battery of tests to determine the contaminants. The existing core boring operation volatilizes some
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Pavelescu, Alexandru Octavian, Dan Gabriel Cepraga, Konstantina Voukelatou, and Renato Tinti. "Estimation of Clearance Potential Index and Hazard Factors of CANDU Fuel Bundle and Its Validation Based on the Measurements of Radioisotopes Inventories From Pickering Reactor Fuel." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7086.

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This paper is related to the clearance potential levels, ingestion and inhalation hazard factors of the spent nuclear fuel and radioactive wastes. This study required a complex activity that consisted of more steps such as: the acquisition, setting up, validation and application of procedures, codes and libraries. The paper reflects the validation stage of this study. Its objective was to compare the measured inventories of selected actinide and fission products radionuclides in an element from the Pickering CANDU reactor with the inventories predicted using a recent version of the SCALE 5\ORI
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Sinzinger, H., H. Glogar, H. Weidinger, H. Sochor, H. Auinger, M. Weissel, P. Fitscha, H. Bergmann, and Susanne Granegger. "PROSTAGLANDIN E1 REDUCES ENDOCARDIAL PLATELET DEPOSITION AND INCREASES LEFT VENTRICULAR EJECTION FRACTION (LVEF) IN PATIENTS WITH CARDIOMYOPATHY (CMP)." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643952.

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Abstract (sommario):
It is well known, that patients suffering from CMP exhibit a significantly enhanced thromboembolic risk. Thus, we examined in these patients platelet function (f3TG, PF4, TXB2-serum and plasma) and kinetics after 111-In-oxine sulphate (100μCi) labelling. In a total of 67 patients (50o,17g; 29-66a with a LVEF of &lt; 30%) the following findings have been obtained.During γ-camera imaging and by engymetric monitoring using a portable detector system (Novo Int. Danmark) CMP-patients show an enhanced platelet deposition over the heart. Platelet half-life (1: 100-115h) is extremely shortened (&lt; 5
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