Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Hugo R. Schelin"'
Autor:
Viviane K. Asfora, Marcelo B. Freitas, Regina B. Medeiros, Hugo R. Schelin, Akemi Yagui, Marcus V. L. Oliveira, Luiz M. S. A. Leite, Guillermo A. Lopez, Maryanna R. S. Roberto, Fabio L. Gagetti, Pablo H. O. Souza, Bruna Vargas, Valeriy V. Denyak, Helen J. Khoury
Publikováno v:
Children, Vol 11, Iss 2, p 200 (2024)
Diagnostic reference levels (DRLs) are a pivotal strategy to be implemented since pediatric interventional cardiology procedures are increasing. This work aimed to propose an initial set of Brazilian DRLs for pediatric interventional diagnostic and t
Externí odkaz:
https://doaj.org/article/3287cee4d0d6485f9f59fdb0924b45bf
Publikováno v:
European Journal of Public Health. 31
Background Pediatric patients are in a phase of high anatomical and physiological development, whose characteristics make them more radiosensitive to certain radiation exposures. Exposure to doses of radiation can lead to the occurrence of biological
Autor:
Sergei Anatolyevich Paschuk, Zildete Rocha, Catarina Alzira Montenegro Peddis Torres, Flávia Del Claro, V. Denyak, Janine Nicolosi Corrêa, Danielle Cristine Narloch, Hugo R. Schelin, Wellington Mazer
Publikováno v:
Radiation Physics and Chemistry. 155:315-318
Portland cement is the main ingredient of concrete and various types of finishing materials. It is considered as the main and most consumed building material in the world, which is used for all type of construction including residential and commercia
Autor:
J.A. Ledesma, Hugo R. Schelin, A.P. Bunick, Sergei Anatolyevich Paschuk, S.O. Machado, V. Denyak, Danielle Filipov
Publikováno v:
Radiation Physics and Chemistry. 155:53-55
Pediatric barium meal procedures result in a higher patient dose than conventional X-ray imaging. Due to the fact that pediatric patients are more radiosensitive and more likely to develop mutations because of the radiation exposure during their life
Publikováno v:
IEEE Transactions on Nuclear Science. 64:745-771
Imaging techniques using protons as incident particles are currently being developed to substitute X-ray computer tomography and nuclear magnetic resonance methods in proton therapy. They deal with relatively thick targets, like the human head or tru
Autor:
A.P. Bunick, Hugo R. Schelin, V. Denyak, Jorge Luís Corrêa da Silva, Danielle Filipov, Sergei Anatolyevich Paschuk, Edney Milhoretto
Publikováno v:
Brazilian Journal of Radiation Sciences. 7
O estudo propoe estimar, atraves de simulacoes com um objeto simulador, o Kerma-ar na Profundidade Pulmonar, na agua, e o Kerma-ar na Superficie de Entrada da Pele em criancas internadas em UTI Neonatal. Para as medidas, foi utilizada uma câmara de
Entrance Skin Dose Evaluation in Pediatric Patients Undergoing Skull, Pelvis and Abdomen Radiographs
Publikováno v:
Journal of Physics: Conference Series. 1826:012044
X-rays are widely used in medicine, including pediatrics. In addition to the benefits offered by the diagnosis, its use may also lead to the occurrence of biological effects. In pediatrics some tissues or organs are more radiosensitive. Also, due to
Autor:
Carlos Almeida Barbosa, Ricardo da Costa De Souza, Anna Luiza Metidieri Cruz Malthez, Ricardo Rabello Ferreira, Akemi Yagui, Hugo R. Schelin
Publikováno v:
Revista Brasileira de Física Médica. 14:469
Os exames de tomografia computadorizada (TC) de crânio são amplamente realizados por fornecerem imagens com alta qualidade diagnóstica. No entanto, estes têm contribuído com uma grande parcela da dose devido às exposições médicas, chegando a
Publikováno v:
Radiation Physics and Chemistry. 172:108814
Imaging techniques using protons are currently being actively developed for proton therapy. Presently, many researchers use the GEANT4 toolkit to simulate proton imaging devices, without, however, detailed analysis of its precision for the case of th
Autor:
J.A.P. Setti, V. Denyak, Hugo R. Schelin, S. Tacara, I.T. Nakano, Sergei Anatolyevich Paschuk
Publikováno v:
Radiation Physics and Chemistry. 167:108246
In the present study, we measured breast density by using a fully automated software and cross-compared density distribution functions of BI-RADS categories. Our final goal was to understand to what extent the new BI-RADS categories represent mammogr