Browsing by Author "Duch Guillen, María Amor"
Now showing items 1-20 of 45
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A benchmark for Monte Carlo simulations in gamma-ray spectrometry part II: true coincidence summing correction factors
(Elsevier, 2024-02-01)
Article
Restricted access - publisher's policyThe goal of this study is to provide a benchmark for the use of Monte Carlo simulation when applied to coincidence summing corrections. The examples are based on simple geometries: two types of germanium detectors and four ... -
A parametric study of occupational radiation dose in interventional radiology by Monte-Carlo simulations
(2020-10-01)
Article
Open AccessThis paper presents the results of a parametric study on the occupational exposure in interventional radiology to explore the influence of various variables on the staff doses. These variables include the angiography beam ... -
Air kerma to H-P(3) conversion coefficients for IEC 61267 RQR X-RAY radiation qualities: application to dose monitoring of the lens of the eye in medical diagnostics
(2016-09-01)
Article
Open AccessRecent studies highlight the fact that the new eye lens dose limit can be exceeded in interventional radiology procedures and that eye lens monitoring could be required for these workers. The recommended operational quantity ... -
An algorithm to assess the need for clinical Monte Carlo dose calculation for small proton therapy fields based on quantification of tissue heterogeneity
(2013)
Article
Restricted access - publisher's policyPurpose: In proton therapy, complex density heterogeneities within the beam path constitute a challenge to dose calculation algorithms. This might question the reliability of dose distributions predicted by treatment ... -
Coincidence summing corrections for volume samples using the PENELOPE/penEasy Monte Carlo code
(2014-05)
Article
Restricted access - publisher's policyThe coincidence summing correction factors estimated with penEasy, a steering program for the Monte Carlo simulation code PENELOPE, and with penEasy-eXtended, an in-house modified version of penEasy, are presented and ... -
Comparison of different sampling methods for the determination of low-level radionuclides in air
(2016-03-01)
Article
Open AccessThe aim of this work is to check the consistency of results given by different air dust samplers (flow-rates between 2 and 700 m(3)/h) and measurement protocols at a single location. The study is focussed on (210)pb since ... -
Dose assesment with fast Monte Carlo codes in interventional radiology
(2023-10-11)
Article
Open AccessThis study presents the performance of two fast Monte Carlo codes, PENELOPE/penEasyIR and MCGPU-IR in order to assess operator doses in interventional radiology. In particular, it aims to validate the calculations when ... -
Dose calculations in aircrafts after Fukushima nuclear power plant accident – Preliminary study for aviation operations
(Elsevier, 2019-09-01)
Article
Open AccessThere is little information to decision support in air traffic management in case of nuclear releases into the atmosphere. In this paper, the dose estimation due to both, external exposure (i.e. cloud immersion, deposition ... -
EURADOS intercomparison of passive H*(10) area dosemeters 2014
(2017-11-01)
Article
Open AccessUnder the umbrella of the European Radiation Dosimetry Group (EURADOS), different working groups have responded to the requests of monitoring services in Europe for independent tests of dosimetry systems for harmonization ... -
Experimental verification of acuros XB in the presence of lung-equivalent heterogeneities
(2017-11)
Article
Open AccessAcuros XB (AXB) is a deterministic algorithm that directly accounts for the effects of heterogeneities and improves the accuracy of photon dose calculations in radiotherapy. Nevertheless, the accuracy of AXB inside lung ... -
Fast Monte Carlo codes for occupational dosimetry in interventional radiology
(2021-05)
Article
Open AccessInterventional radiology techniques cause radiation exposure both to patient and personnel. The radiation dose to the operator is usually measured with dosimeters located at specific points above or below the lead aprons. ... -
Feasibility study of computational occupational dosimetry: evaluating a proof-of-concept in an endovascular and interventional cardiology setting
(2022-10-05)
Article
Open AccessIndividual monitoring of radiation workers is essential to ensure compliance with legal dose limits and to ensure that doses are As Low As Reasonably Achievable. However, large uncertainties still exist in personal dosimetry ... -
Field correction factors for a PTW-31016 pinpoint ionization chamber for both flattened and unflattened beams. Study of the main sources of uncertainties
(2017-05-01)
Article
Restricted access - publisher's policyPurpose The primary aim of this study was to determine correction factors, math formula for a PTW-31016 ionization chamber on field sizes from 0.5 cm × 0.5 cm to 2 cm × 2 cm for both flattened (FF) and flattened filter-free ... -
Gamma passing rates of daily EPID transit images correlate to PTV coverage for breast cancer IMRT treatment plans
(2023-01-26)
Article
Open AccessThe use of the transit image obtained with the electronic portal-imaging device (EPID) is becoming an extended method to perform in-vivodosimetry. The transit images acquired during each fraction can be comparedwith a ... -
Impact of region-of-interest delineation methods, reconstruction algorithms, and intra- and inter-operator variability on internal dosimetry estimates using PET
(2017-04-01)
Article
Open AccessPurpose Human dosimetry studies play a central role in radioligand development for positron emission tomography (PET). Drawing regions of interest (ROIs) on the PET images is used to measure the dose in each organ. In the ... -
Influence of dosemeter position for the assessment of eye lens dose during interventional cardiology
(2015-04-01)
Article
Restricted access - publisher's policyThe equivalent dose limit for the eye lens for occupational exposure recommended by the ICRP has been reduced to 20 mSv y-1 averaged over defined periods of 5 y, with no single year exceeding 50 mSv. The compliance with ... -
Influence of long-range atmospheric transport pathways and climate teleconnection patterns on the variability of surface Pb-210 and Be-7 concentrations in southwestern Europe
(Elsevier, 2016-12-01)
Article
Open AccessThe variability of the atmospheric concentration of the 7Be and 210Pb radionuclides is strongly linked to the origin of air masses, the strength of their sources and the processes of wet and dry deposition. It has been ... -
Intercomparison IC2021area of passive area dosimetry systems
(European Radiation Dosimetry e. V., 2022-05-02)
Part of book or chapter of book
Open AccessThe EURADOS intercomparison IC2021area was carried out between May 2021 and April 2022 for 66 participating passive H*(10) area dosimetry systems from 47 different institutes and monitoring services. Three measurement ... -
Low dose response results and detection limits of the EURADOS intercomparison IC2021area for passive H*(10) area dosemeters
(2023-04-01)
Article
Open AccessThe EURADOS intercomparison IC2021area with its main focus on low dose measurements was carried out between May 2021 and April 2022 for passive H*(10) area dosimetry systems. Three measurement conditions were provided at ... -
Master en Ingeniería Nuclear por la UPC (Master UPC-ENDESA)
(2011)
Conference report
Restricted access - publisher's policyEl nuevo Máster en Ingeniería Nuclear que ofrece la UPC es el resultado de la confluencia de voluntades y de las sinergias entre diferentes unidades de la Universitat Politècnica de Catalunya (UPC) y Endesa. La ponencia ...
