Search Results - "Duch‐Guillen, Maria Amor"
-
1
Gamma passing rates of daily EPID transit images correlate to PTV coverage for breast cancer IMRT treatment plans
Published in Journal of applied clinical medical physics (01-05-2023)“…Purpose The use of the transit image obtained with the electronic portal‐imaging device (EPID) is becoming an extended method to perform in‐vivo dosimetry. The…”
Get full text
Journal Article -
2
Validation of an in vivo transit dosimetry algorithm using Monte Carlo simulations and ionization chamber measurements
Published in Journal of applied clinical medical physics (01-02-2024)“…Purpose Transit dosimetry is a safety tool based on the transit images acquired during treatment. Forward‐projection transit dosimetry software, as…”
Get full text
Journal Article -
3
Medically-derived radionuclides levels in seven heterogeneous urban wastewater treatment plants: The role of operating conditions and catchment area
Published in The Science of the total environment (01-05-2019)“…In nuclear medicine radionuclides are administered to patients both for diagnosis or treatment. Subsequently, the excreta from patients, enriched in…”
Get full text
Journal Article Publication -
4
EURADOS intercomparison of passive H(10) area dosemeters 2014
Published in Radiation measurements (01-11-2017)“…Under the umbrella of the European Radiation Dosimetry Group (EURADOS), different working groups have responded to the requests of monitoring services in…”
Get full text
Journal Article Publication -
5
Status of passive environmental dosimetry in Europe
Published in Radiation measurements (01-11-2017)“…EURADOS Working Group 3 (WG3) aims at providing information about the correct measurement of the ambient dose equivalent (rate) in the environment and has a…”
Get full text
Journal Article Publication -
6
Field correction factors for a PTW‐31016 Pinpoint ionization chamber for both flattened and unflattened beams. Study of the main sources of uncertainties
Published in Medical physics (Lancaster) (01-05-2017)“…Purpose The primary aim of this study was to determine correction factors, kQclin,Qmsrfclin,fmsr for a PTW‐31016 ionization chamber on field sizes from 0.5 cm…”
Get full text
Journal Article Publication -
7
An algorithm to assess the need for clinical Monte Carlo dose calculation for small proton therapy fields based on quantification of tissue heterogeneity
Published in Medical physics (Lancaster) (01-08-2013)“…Purpose: In proton therapy, complex density heterogeneities within the beam path constitute a challenge to dose calculation algorithms. This might question the…”
Get full text
Journal Article Publication -
8
Natural and artificial radionuclides in sludge, sand, granular activated carbon and reverse osmosis brine from a metropolitan drinking water treatment plant
Published in Journal of environmental radioactivity (01-10-2017)“…•40K showed the highest specific activities in sludge, sand and RO brine.•238U showed the highest specific activities in GAC.•Medically-derived 131I was…”
Get full text
Journal Article Publication -
9
Experimental verification of Acuros XB in the presence of lung-equivalent heterogeneities
Published in Radiation measurements (01-11-2017)“…Acuros XB (AXB) is a deterministic algorithm that directly accounts for the effects of heterogeneities and improves the accuracy of photon dose calculations in…”
Get full text
Journal Article Publication -
10
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
Published 01-12-2016“…The variability of the atmospheric concentration of the 7Be and 210Pb radionuclides is strongly linked to the origin of air masses, the strength of their…”
Get full text
Publication -
11
Dose calculations in aircrafts after Fukushima nuclear power plant accident – Preliminary study for aviation operations
Published in Journal of environmental radioactivity (01-09-2019)“…There is little information to decision support in air traffic management in case of nuclear releases into the atmosphere. In this paper, the dose estimation…”
Get full text
Journal Article Publication -
12
Influence of dosemeter position for the assessment of eye lens dose during interventional cardiology
Published in Radiation protection dosimetry (01-04-2015)“…The 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…”
Get full text
Journal Article Publication -
13
On the suitability of ultrathin detectors for absorbed dose assessment in the presence of high‐density heterogeneities
Published in Medical physics (Lancaster) (01-08-2014)“…Purpose: The aim of this study was to evaluate the suitability of several detectors for the determination of absorbed dose in bone. Methods: Three types of…”
Get full text
Journal Article Publication -
14
Comparison of different sampling methods for the determination of low-level radionuclides in air
Published in Applied radiation and isotopes (01-03-2016)“…The aim of this work is to check the consistency of results given by different air dust samplers (flow-rates between 2 and 700m3/h) and measurement protocols…”
Get full text
Journal Article Publication -
15
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
Published in Radiation protection dosimetry (01-09-2016)“…Recent 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…”
Get full text
Journal Article Publication -
16
Impact of Region-of-Interest Delineation Methods, Reconstruction Algorithms, and Intra- and Inter-Operator Variability on Internal Dosimetry Estimates Using PET
Published in Molecular imaging and biology (01-04-2017)“…Purpose Human dosimetry studies play a central role in radioligand development for positron emission tomography (PET). Drawing regions of interest (ROIs) on…”
Get full text
Journal Article Publication -
17
Systematic influences on the areas of peaks in gamma-ray spectra that have a large statistical uncertainty
Published in Applied radiation and isotopes (01-04-2018)“…A method is presented for calculating the expected number of counts in peaks that have a large relative peak-area uncertainty and appear in measured gamma-ray…”
Get full text
Journal Article Publication -
18
Coincidence summing corrections for volume samples using the PENELOPE/penEasy Monte Carlo code
Published in Applied radiation and isotopes (01-05-2014)“…The coincidence summing correction factors estimated with penEasy, a steering program for the Monte Carlo simulation code PENELOPE, and with penEasy-eXtended,…”
Get full text
Journal Article Publication -
19
Measurements of eye lens doses in interventional cardiology using OSL and electronic dosemeters
Published in Radiation protection dosimetry (01-12-2014)“…The purpose of this paper is to test the appropriateness of OSL and electronic dosemeters to estimate eye lens doses at interventional cardiology environment…”
Get full text
Journal Article Publication -
20
Validation of aerosol low-level activities by comparison with a deep underground laboratory
Published in Applied radiation and isotopes (01-05-2014)“…The activities on air filters of the radionuclides 40K and 137Cs were measured in an above ground laboratory and compared with the activities measured in an…”
Get full text
Journal Article Publication