Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Frederico Antonio Genezini"'
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 12, Iss 1 (2024)
Radioactive thin films have a direct application in the development of beta-voltaic batteries. The main advantage of that kind of nuclear battery is its durability, which can range from a hundred years, depending on the half-life of the radioisotope
Externí odkaz:
https://doaj.org/article/2e3510ede7244e8281e3d8618575656b
Autor:
Alexandre Pinho dos Santos Souza, Luiz Paulo de Oliveira, Frederico Antonio Genezini, Adimir dos Santos
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 10, Iss 3B (2022)
The Brazilian Multipurpose Reactor (RMB) is a fundamental project that aims to turn Brazil into a self-sufficient country in the production of radioisotopes and radiopharmaceuticals to supply the Unified Health System (SUS) as much as the private ins
Externí odkaz:
https://doaj.org/article/2e0954d368404dd68ff15103f35b501b
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 9, Iss 1A (2021)
The Research Reactor Center (CERPq) of IPEN-CNEN/SP has been developing a facility for Coincidence Neutron Activation Analysis (CNAA), a variation of the Neutron Activation Analysis technique in which gamma-gamma coincidence is used to reduce spectra
Externí odkaz:
https://doaj.org/article/95e971c1fda74f839276e0e4953eb855
Autor:
Alexandre Pinho dos Santos Souza, Luiz Paulo de Oliveira, Fabiano Yokaichiya, Frederico Antonio Genezini, Margareth Kazuyo Kobayashi Dias Franco
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 9, Iss 1A (2021)
High-resolution diffractometer is one of the first instruments of the set of 15 priority neutron scattering instruments to be installed at the Brazilian Multipurpose Reactor (RMB). A basic project of this instrument consists of the existence of three
Externí odkaz:
https://doaj.org/article/c0ea3412ca7c45e4add2fd108e1942c0
Autor:
Gleiser Rodrigues de Melo, Guilherme Soares Zahn, Frederico Antonio Genezini, Edson Gonçalves Moreira
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 9, Iss 1A (2021)
Neutron Activation Analysis (NAA) is a well-established nondestructive analytic technique where the gamma radiation emitted by an irradiated sample is analyzed using an HPGe detector. The Neutron Activation Laboratory (LAN) of IPEN-CNEN/SP has been p
Externí odkaz:
https://doaj.org/article/23ddbe3b122641e188f81af4de754277
Autor:
Guilherme Soares Zahn, Frederico Antonio Genezini, Paulo Sérgio Cardoso da Silva, Renata Mendes Nory, Edson Gonçalves Moreira, Paulo Sérgio Santiago
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 9, Iss 1A (2021)
Over the last years the 177Lu radioisotope has attracted great interest for the use in therapeutic and diagnostic procedures simultaneously, being what is now called a theranostic radioisotope. There are mainly two ways of producing this radioisotope
Externí odkaz:
https://doaj.org/article/736c4b062edf4183838c98cbc7edd282
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 9, Iss 1A (2021)
In this work the reproducibility of the efficiency of different HPGe detectors was analyzed under a series of different conditions. The detectors studied were plugged either to a regular analogical amplifier or to a digital signal processing (DSP) de
Externí odkaz:
https://doaj.org/article/bfd0fbd67e5b44c8b3a7b580cdb378a8
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 8, Iss 3 (2020)
This study presents results of instrumental neutron activation analysis (INAA) of nails from healthy adult individuals living in São Paulo city, Brazil. Concentrations of As, Br, Ca, Co, Cr, Fe, K, La, Na, Sb, Se and Zn were determined in fingernail
Externí odkaz:
https://doaj.org/article/0a636f59b5284769b0549bacc4542611
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 7, Iss 2A (2019)
In IPEN’s Neutron Activation Laboratory (LAN/IPEN), thin stainless steel sample holders are used for gamma spectrometry in NAA measurements. This material is very practical, but its chemical composition may be troublesome, as it presents large amou
Externí odkaz:
https://doaj.org/article/e36482c6be4b49b4b6d368996bd86e00
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 7, Iss 2A (2019)
In conventional gamma-ray spectrometry, the probability of pile-up effects is considered to be proportional to the dead-time, and is usually neglected for low dead-times (below 4-5%). In gamma-gamma coincidence spectrometry, though, while the dead ti
Externí odkaz:
https://doaj.org/article/4fb0f2a658d04cdf8636a299db38b868