Results 51 to 60 of about 8,576 (208)

A new shielding calculation method for X-ray computed tomography regarding scattered radiation [PDF]

, 2017
鈴鹿医療科学大
渡邉, 浩
core   +1 more source

Validation of Geant4 nuclear reaction models for hadrontherapy and preliminary results with SMF and BLOB [PDF]

, 2017
Reliable nuclear fragmentation models are of utmost importance in hadrontherapy, where Monte Carlo (MC) simulations are used to compute the input parameters of the treatment planning software, to validate the deposited dose calculation, to evaluate the ...
Barbara Caccia, Carlo Mancini Terracciano, Giuseppe A. P. Cirrone, Luciano Pandola, Maria Colonna, Marzio De Napoli, Paolo Napolitani   +6 more
core   +1 more source

The radiation field in the Gamma Irradiation Facility GIF++ at CERN

, 2016
The high-luminosity LHC (HL-LHC) upgrade is setting now a new challenge for particle detector technologies. The increase in luminosity will produce a particle background in the gas-based muon detectors that is ten times higher than under conditions at ...
Biskup, Bartolomej, Day, Alasdair, Fabich, Adrian, Germa, Joffrey, Gorine, Georgi, Guida, Roberto, Jaekel, Martin, Pfeiffer, Dorothea, Ravotti, Federico, Reithler, Hans   +9 more
core   +1 more source

Impact of Ceiling Suspended Shield Size on Primary Operator Radiation Dose During Coronary Angiography and Intervention

Journal of Medical Radiation Sciences, EarlyView.
Reducing radiation exposure to staff performing coronary angiography and intervention is an occupational health and safety priority for hospitals. We demonstrate that a larger lead acrylic shield, with lead rubber pleats on the lower edge will reduce radiation exposure to the cardiologist performing the procedure by approximately 40%. We recommend that
James A. Crowhurst, Elizabeth Andersen, Michael Savage, Jason Tse, Dale Murdoch, Darren Walters, Rustem Dautov   +6 more
wiley   +1 more source

Characterization of Small Dosimeters Used for Measurement of Eye Lens Dose for Medical Staff during Fluoroscopic Examination

Diagnostics, 2021
This study aimed to evaluate the property of small dosimeters used for measuring eye lens doses for medical staff during fluoroscopic examination. Dose linearity, energy dependence, and directional dependence of scattered X-rays were evaluated for small ...
Kosuke Matsubara, Sayu Yoshida, Ayaka Hirosawa, Thunyarat Chusin, Yasushi Furukawa   +4 more
doaj   +1 more source

Refining imaging parameters for dual‐energy cone‐beam computed tomography in image‐guided radiation therapy

Journal of Applied Clinical Medical Physics, Volume 27, Issue 5, May 2026.
Abstract Purpose To develop a dose estimation method for virtual monoenergetic images (VMIs) derived from sequential dual‐energy (DE) cone‐beam computed tomography (CBCT), enhancing image quality while reducing imaging dose. The goal is to generate VMIs with lower imaging dose than standard CBCT for future clinical applications.
Hyejoo Kang, Andrew Keeler, Matthew Georgesen, Jason Luce, Ha Nguyen, Mathias Lehmann, Sebastien Gros, John C. Roeske   +7 more
wiley   +1 more source

A nomogram to determine required seed air kerma strength in planar 131 Cesium permanent seed implant brachytherapy [PDF]

, 2019
Purpose: Intraoperatively implanted Cesium-131 ( 131 Cs) permanent seed brachytherapy is used to deliver highly localized re-irradiation in recurrent head and neck cancers.
Bar-Ad, Voichita, Doyle, Laura, Hubley, Emily, Luginbuhl, Adam J., Trager, Michael   +4 more
core   +1 more source

Portable Gamma Irradiation System with Co, Ba, Cs, and Co for On-site Calibration of Environmental Radiation Monitoring Devices [PDF]

Journal of Radiation Protection and Research
Background A portable gamma irradiation system was developed for on-site calibration of environmental radiation monitoring devices. This system uses a portable collimator and gamma-ray sources such as 57Co, 133Ba, 137Cs, and 60Co, each with a nominal ...
Masahiro Kato, Junya Ishii, Hiroyuki Tanaka, Midori Sugiyama, Tadahiro Kurosawa   +4 more
doaj   +1 more source

Is it possible to reduce radiation exposure during transcatheter atrial septal defect closure in children?

Türk Kardiyoloji Derneği Arşivi, 2020
Objective: Cardiac catheterization continues to be a major source of radiation exposure for patients with congenital heart disease. As children are more prone to both deterministic and stochastic effects of radiation, every effort should be made to ...
İbrahim Cansaran Tanıdır, Selman Gökalp, Erkut Özturk, Erman Çilsal, Mehmet Akın Topkarcı, Alper Guzeltaş   +5 more
doaj   +1 more source

Development of an optically stimulated luminescence radiometer based on sodium chloride and gold nanoparticles for improving radiation detection in radiography

Journal of Applied Clinical Medical Physics, Volume 27, Issue 5, May 2026.
Abstract Purpose To evaluate sodium chloride doped with gold nanoparticles (NaCl + GNPs) as a low‐cost, reusable optically stimulated luminescence (OSL) material for diagnostic radiology, and to benchmark its luminescence performance against the commercial standard, aluminum oxide doped with carbon (Al2O3:C).
Mus'ab S Alkasasbeh, Khalid Hassan Ibnaouf, Naser M Ahmed, Azhar Abdul Rahman, Thair Hussein Khazaalah, Dheyaa Nabeel Abbas, Hajo Idriss, Monther Alsboul   +7 more
wiley   +1 more source