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CERN Document Server Pronađeno je 7 zapisa  Pretraživanje je potrajalo 0.87 sekundi 
1.
A combined approach for the calculation of activation yields and the characterization of materials for a medical cyclotron / Bonvin, V (CERN ; Lausanne U.) ; Bochud, F (Lausanne U.) ; Theis, C (CERN) ; Vincke, H (CERN ; Graz, Tech. U.) ; Damet, J (Lausanne U. ; Otago U.) ; Geyer, R (CERN ; Lausanne U.)
Cyclotrons for the production of radiopharmaceuticals have become important tools in modern nuclear medicine. At the end of their lifecycles, such installations have to be dismantled and any activated materials must be treated according to the local radiation protection legislation. [...]
2023 - 17 p. - Published in : Appl. Radiat. Isot. 204 (2024) 111116
Detaljnije
2.
Monte Carlo simulations of the whole-body counter at Spiez Laboratory Switzerland: Impact of phantom size and biokinetic model / Desorgher, Laurent (Lausanne U.) ; Mosimann, Nina (Unlisted, CH) ; Althaus, Rolf (Unlisted, CH) ; Wirz, Christoph (Unlisted, CH) ; Bailat, Claude (Lausanne U.) ; Medici, Siria (Lausanne U. ; CERN) ; Bochud, François (Lausanne U.)
Whole-body counters (WBC) are used to detect potential intake of radioisotopes in the human body. To achieve a precise measurement of an incorporated activity, a WBC needs to be properly characterized and calibrated. [...]
2022 - Published in : Radiat. Meas. 152 (2022) 106720
Detaljnije
3.
Ytterbium-175 half-life determination / Durán, M Teresa (Inst. Appl. Radiophys., Lausanne) ; Juget, Frédéric (Inst. Appl. Radiophys., Lausanne) ; Nedjadi, Youcef (Inst. Appl. Radiophys., Lausanne) ; Bochud, François (Inst. Appl. Radiophys., Lausanne) ; Talip, Zeynep (PSI, Villigen) ; van der Meulen, Nicholas P (PSI, Villigen) ; Köster, Ulli (Laue-Langevin Inst.) ; Duchemin, Charlotte (CERN ; Leuven U.) ; Stora, Thierry (CERN) ; Bailat, Claude (Inst. Appl. Radiophys., Lausanne)
$^{175}$Yb is a radionuclide that can be generated by neutron capture on $^{174}$Yb and whose decay properties make it useful for developing therapeutic radiopharmaceuticals. As it happens with many of the emerging radionuclides for medical uses in recent years, its nuclear data were determined decades ago and are not thoroughly documented nor accurate enough for metrological purposes. [...]
2021 - 8 p. - Published in : Appl. Radiat. Isot. 176 (2021) 109893 Fulltext from publisher: PDF;
Detaljnije
4.
Detailed study of the distribution of activation inside the magnet coils of a compact PET cyclotron / Bonvin, V (CERN ; Lausanne U.) ; Bochud, F (Lausanne U.) ; Damet, J (Lausanne U. ; Otago U.) ; Theis, C (CERN) ; Vincke, H (CERN ; Graz, Tech. U.) ; Geyer, R (CERN ; Lausanne U.)
We determined the distribution of activation products inside the magnet coils of a medical cyclotron that has been operational for fifteen years. Besides FLUKA, we based our approach on new software tools (RAW and ActiWiz) developed for high-energy accelerators at CERN. [...]
2021 - 13 p. - Published in : Appl. Radiat. Isot. 168 (2021) 109446 Fulltext: PDF;
Detaljnije
5.
Impact of the phantom geometry on the evaluation of the minimum detectable activity following a radionuclide intake: From physical to numerical phantoms / Medici, Siria (CERN ; Lausanne U.) ; Desorgher, Laurent (Lausanne U.) ; Carbonez, Pierre (CERN ; Otago U.) ; Damet, Jérôme (Lausanne U. ; Otago U.) ; Bochud, François (Lausanne U.) ; Pitzschke, Andreas (Lausanne U.)
The establishment of an in vivo internal monitoring programme requires the use of phantoms to represent an activity distribution of an incorporated radionuclide within the body. The aim of this study was to quantify the impact of the phantom geometry on the minimum detectable activity (MDA) of an incorporated radionuclide. [...]
2020 External link: Fulltext from publisher
Detaljnije
6.
Use of portable gamma spectrometers for triage monitoring following the intake of conventional and novel radionuclides / Medici, Siria (CERN ; Lausanne U.) ; Carbonez, Pierre (CERN ; U. Otago, Dept. Radiol.) ; Damet, Jérôme (Lausanne U. ; U. Otago, Dept. Radiol.) ; Bochud, François (Lausanne U.) ; Pitzschke, Andreas (Lausanne U.)
Current internal dosimetry monitoring programmes generally feature periodic measurements that are defined for the most commonly-encountered radionuclides. These programmes are not directly applicable to research centres that produce novel and short-lived radionuclides which are then used for the manufacture of radiopharmaceuticals, such as the CERN-MEDICIS facility hosted at CERN. [...]
2020 - 8 p. - Published in : Radiat. Meas. 136 (2020) 106426 Fulltext: PDF;
In : The Medipix/Timepix ASIC family and its applications, pp.106426
Detaljnije
7.
Detecting intake of radionuclides: In vivo screening measurements with conventional radiation protection instruments / Medici, S (CERN ; Lausanne U.) ; Carbonez, P (CERN ; Otago U.) ; Damet, J (Lausanne U. ; Otago U.) ; Bochud, F (Lausanne U.) ; Bailat, C (Lausanne U.) ; Pitzschke, A (Lausanne U.)
Internal contamination monitoring of a large number of workers is challenging, especially when dealing with various radionuclides. This work presents an approach for a pragmatic internal monitoring programme at CERN that is compatible with the Swiss regulation and features quick in vivo screening measurements. [...]
2019 - 7 p. - Published in : Radiat. Meas. 122 (2019) 126-132
Detaljnije

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