Results 11 to 20 of about 128,460 (250)

An analysis of the presence of disciplines focused on radiation protection in the syllabus of technologist in radiology courses according to Standard 7.01

Brazilian Journal of Radiation Sciences, 2022
Undergraduate courses in technology were recognized in Brazil from the 1990s onwards, such as Technologist in Radiology (TR). According to the Ministry of Education (MEC), the TR carries out activities in Radiotherapy, Radiology and Nuclear Medicine, for
STEPHANIE NELASCO DA SILVA, TATIANE ALMEIDA, Fernando Barcellos Razuck   +2 more
doaj   +1 more source

Analysis of the Advances of RDC 330/19 in relation to Ordinance 453/98 under the Radiation Protection Focus

Brazilian Journal of Radiation Sciences, 2022
Almost twenty years after the publication of Ordinance 453, the National Health Surveillance Agency (ANVISA) approved the Collegiate Board Resolution 330 (RDC 330), which establishes the basic guidelines for Radiation Protection (RP) in diagnostic and ...
GUSTAVO OLIVEIRA DA CONCEIÇÃO, Fernando Barcellos Razuck   +1 more
doaj   +1 more source

Sum-peak method with two NaI(Tl) crystals: 68(Ge+Ga) standardization

Brazilian Journal of Radiation Sciences, 2019
A 68(Ge+Ga) commercial solution has been standardized in LNMRI in Brazil, by sum-peak method, in which a 3”x3” NaI(Tl) gamma-ray detector is positioned at the top of a well-type 5”x5” NaI(Tl) gamma-ray detector, resulting in a set up approximately  4p ...
Estela Maria Oliveira, Akira Iwahara, Roberto Poledna, Carlos José da Silva, Paulo Alberto Lima da Cruz, Regio dos Santos Gomes, José Ubiratan Delgado, Ricardo Tadeu Lopes   +7 more
doaj   +1 more source

Measurements of natural radioactivity in soil samples collected in the Kampinoski National Park [PDF]

E3S Web of Conferences, 2019
In this article are presented the results of measurements of natural radioactivity in twelve soil samples from the Kampinoski National Park by using high purity germanium detector (HPGe).
Łukaszek-Chmielewska Aneta, Girard Martin, Stawarz Olga, Piotrowska Barbara, Wojtkowski Karol, Isajenko Krzysztof   +5 more
doaj   +1 more source

First-in-man evaluation of 124I-PGN650: A PET tracer for detecting phosphatidylserine as a biomarker of the solid tumor microenvironment [PDF]

, 2017
Purpose: PGN650 is a F(ab′) 2 antibody fragment that targets phosphatidylserine (PS), a marker normally absent that becomes exposed on tumor cells and tumor vasculature in response to oxidative stress and increases in response to therapy.
Dehdashti, Farrokh, Freimark, Bruce D, Frye, Jennifer, Frye, Sarah, Laforest, Richard, Liu, Yongjian, Luehmann, Hannah, Shan, Joseph S, Siegel, Barry A, Sultan, Deborah   +9 more
core   +2 more sources

Calibration of gamma cameras for the Evaluation of Accidental Intakes of high-energy photon emitting Radionuclides by humans based on Urine Samples

Brazilian Journal of Radiation Sciences, 2018
The prompt response to emergency situations involving suspicion of intakes of radionuclides requires the use of simple and rapid methods of internal monitoring of the exposed individuals.
Ämilie Louize Degenhardt, Ana Letícia Dantas, Eder Augusto de Lucena, Wanderson de Oliveira Souza, Bernardo Maranhão Dantas   +4 more
doaj   +1 more source

Improved accuracy of S-value-based dosimetry: a guide to transition from Cristy–Eckerman to ICRP adult phantoms

EJNMMI Physics, 2022
Background In 2016, the International Commission on Radiological Protection (ICRP) published the results of Monte Carlo simulations performed using updated and anatomically realistic voxelized phantoms. The resulting specific absorbed fractions are based
Shalini Subramanian, Bin He, Eric Frey, Derek W. Jokisch, Wesley Bolch, George Sgouros   +5 more
doaj   +1 more source

41Ca in tooth enamel. part I: A biological signature of neutron exposure in atomic bomb survivors [PDF]

, 2010
The detection of 41Ca atoms in tooth enamel using accelerator mass spectrometry is suggested as a method capable of reconstructing thermal neutron exposures from atomic bomb survivors in Hiroshima and Nagasaki.
A. Arazi, A. Wallner, Arakawa E. T., Auxier J. A., Feldman G. J., Fink D., Fink D., G. Korschinek, G. Rugel, H. J. Maier, Huber T., K. Knie, Knie K., Knie K., Korschinek G., Korschinek G., Kutschera W., Kutschera W., Maier H. J., Marchetti A. A., McAninch J. E., Müller D., N. Nakamura, Nagashima Y., Nakamura N., Nolte E., Paul M., Preston D. L., Preston D. L., Preston D. L., Raisbeck G. M., Romanyukha A. A., Rugel G., Rugel G., Rühm W., Rühm W., Rühm W., Shizuma K., Straume T., Straume T., T. Faestermann, W. Rühm, Wallner A., Wallner A., Wallner A.   +44 more
core   +1 more source

Feasibility study of a 2D Amorphous Silicon-based Detector for Proton Therapy [PDF]

EPJ Web of Conferences
New particle therapy modalities, including ultra-high dose rate (UHDR) proton therapy, present various challenges for particle detectors used in patient-specific quality assurance (PSQA).
El Achi Khalil, Warnier Alexis, de Beco Victor, Rossomme Severine, Gil Eduardo Cortina   +4 more
doaj   +1 more source

Technical specialization in Nuclear Medicine: an analysis of courses in Brazil and a proposal for a basic curriculum

Brazilian Journal of Radiation Sciences, 2023
Nuclear Medicine (NM) is a medical specialty that, through non-invasive methods, uses radioactive materials for diagnostic and therapeutic purposes.
Maicon B. Clavery, Fernando Barcellos Razuck   +1 more
doaj   +1 more source