Results 41 to 50 of about 2,175 (51)
Brazilian Journal of Radiation SciencesThe presence of a radiological protection supervisor is mandatory in the staff of a nuclear medicine service according to the CNEN-NN-3.05 standard. To obtain the certification of qualification as a radiological protection supervisor, it is necessary, in
Bianca Senario Felix +4 more
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Brazilian Journal of Radiation Sciences, 2021 Neural networks, particularly deep neural networks, are used nowadays with great success in several tasks, such as image classification, image segmentation, translation, text to speech, speech to text, achieving super-human performance. In this study, we
André Gomes Lamas Otero +2 more
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Brazilian Journal of Radiation Sciences, 2021 This study aimed to analyze the fungal contamination of air-conditioning filters waste (n=20) as an indicator of Quality Air Indoor from different car models, that were collected from 10 exchange stations located in the South, North, West, Downtown and ...
SIMONE AQUINO +2 more
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Optimization of methodology with solid state nuclear track detector (SSNTD)
Brazilian Journal of Radiation Sciences, 2021 The present study aims to optimize the passive methodology with Solid state Nuclear Track Detector (SSNTD) called the sealed can technique in the physics laboratory of the Federal Institute of Paraná - Telêmaco Borba Campus. The work used a polycarbonate
Reginaldo Anderson Silva +1 more
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Determination of uranium and thorium in water for human consumption in the county of Angra dos Reis
Brazilian Journal of Radiation Sciences, 2021 Studies indicate that the presence of uranium and thorium radionuclides in the environment are of great importance in monitoring radiation levels. Humans can have a direct or indirect exposure.
Mariana Ferreira Gonçalves +2 more
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Dose estimation in abdominal CT scans using CT-Exposoftware
Brazilian Journal of Radiation Sciences, 2022 The application of ionizing radiation in diagnostic medicine has increased worldwide in the last decades. Computed Tomography (CT) is the main radiological procedure that contributes to the increase of the collective dose in the population.
Daiane Cristini Barbosa Souza +7 more
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Comparison of 18F-FDG and 68-PSMA-11 in PET for prostate cancer diagnosis
Brazilian Journal of Radiation Sciences, 2022 Prostate cancer is the second most incident neoplasm in men, except for non-melanoma skin cancer, and has the second highest mortality rate in Brazil. Early diagnosis increases the chances of cure and enables a less aggressive treatment for the patient ...
Natalia Fulle, Gaianê Sabundjian
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Alternative Methodology for Occupational Dose Estimation in Cardiac Electrophysiology Procedures
Brazilian Journal of Radiation Sciences, 2022 Fluoroscopy-guided cardiac electrophysiology procedures are among the most critical x-ray exposures. However, occupational doses are still little-known.
Mariana Yuamoto +7 more
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Brazilian Journal of Radiation Sciences, 2022 In this work, the pigments and ground layers of the Saint John the Evangelist painting were analyzed using the techniques of computed radiography, X-ray fluorescence (XRF), and micro-Raman spectroscopy.
Francis Anna Cardoso Reis de Almeida Sanches +8 more
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Brazilian Journal of Radiation Sciences, 2018 Kosovo thermal power plants (TPP) produce annually more than 1 million tons of fly ash as a byproduct of lignite combustion. The focus of this study was to characterize the activity concentration of natural radionuclides of hardened concrete specimens ...
Mevlan Qafleshi +3 more
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