Search Results - "Duch, M. A."

An algorithm to assess the need for clinical Monte Carlo dose calculation for small proton therapy fields based on quantification of tissue heterogeneity by Bueno, M., Paganetti, H., Duch, M. A., Schuemann, J.

“…Purpose: In proton therapy, complex density heterogeneities within the beam path constitute a challenge to dose calculation algorithms. This might question the…”
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Dose calculations in aircrafts after Fukushima nuclear power plant accident – Preliminary study for aviation operations by Vargas, A., Arnold, D., Duch, M.-A., Evangeliou, N., Sievers, K., Maurer, C.

“…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…”
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Comparison of different sampling methods for the determination of low-level radionuclides in air by Duch, MA, Serrano, I., Cabello, V., Camacho, A.

“…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…”
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Performance of several active personal dosemeters in interventional radiology and cardiology by Chiriotti, S., Ginjaume, M., Vano, E., Sanchez, R., Fernandez, J.M., Duch, M.A., Sempau, J.

“…Active personal dosemeters (APDs) are very useful instruments for optimizing radiation protection of workers and for increasing worker’s awareness of…”
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Comparison of dose calculation algorithms in phantoms with lung equivalent heterogeneities under conditions of lateral electronic disequilibrium by Carrasco, P., Jornet, N., Duch, M. A., Weber, L., Ginjaume, M., Eudaldo, T., Jurado, D., Ruiz, A., Ribas, M.

“…An extensive set of benchmark measurement of PDDs and beam profiles was performed in a heterogeneous layer phantom, including a lung equivalent heterogeneity,…”
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Impact of Region-of-Interest Delineation Methods, Reconstruction Algorithms, and Intra- and Inter-Operator Variability on Internal Dosimetry Estimates Using PET by López-Vilanova, N., Pavía, J., Duch, M. A., Catafau, A., Ros, D., Bullich, S.

“…Purpose Human dosimetry studies play a central role in radioligand development for positron emission tomography (PET). Drawing regions of interest (ROIs) on…”
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Coincidence summing corrections for volume samples using the PENELOPE/penEasy Monte Carlo code by Vargas, A., Camp, A., Serrano, I., Duch, M.A.

“…The coincidence summing correction factors estimated with penEasy, a steering program for the Monte Carlo simulation code PENELOPE, and with penEasy-eXtended,…”
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Dose assesment with fast Monte Carlo codes in interventional radiology by Balcaza, V García, Camp, A, Sánchez, R M, Ginjaume, M, Duch, M A

“…Abstract This study presents the performance of two fast Monte Carlo codes, PENELOPE/penEasyIR and MCGPU-IR in order to assess operator doses in interventional…”
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Validation of aerosol low-level activities by comparison with a deep underground laboratory by Camacho, A., Laubenstein, M., Vargas, A., Serrano, I., Vallés, I., Plastino, W., Duch, M.A.

“…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…”
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The use of different types of thermoluminescent dosimeters to measure extremity doses in nuclear medicine by Carnicer, A., Ginjaume, M., Duch, M.A., Vanhavere, F., Sans Merce, M., Baechler, S., Barth, I., Donadille, L., Ferrari, P., Fulop, M., Gualdrini, G., Krim, S., Mariotti, M., Ortega, X., Rimpler, A., Ruiz, N., Olko, P.

“…Depth–dose curves in LiF detectors of different effective thicknesses, together with their responses, were calculated for typical nuclear medicine radiation…”
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Fast Monte Carlo codes for occupational dosimetry in interventional radiology by García Balcaza, V., Camp, A., Badal, A., Andersson, M., Almen, A., Ginjaume, M., Duch, M.A.

“…•Occupational dosimetry for interventional radiology is challenging.•Computational dosimetry could be an alternative to standard dosimetry systems.•Two fast…”
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PERSONAL DOSIMETRY USING MONTE-CARLO SIMULATIONS FOR OCCUPATIONAL DOSE MONITORING IN INTERVENTIONAL RADIOLOGY: THE RESULTS OF A PROOF OF CONCEPT IN A CLINICAL SETTING by Almén, A, Andersson, M, O’Connor, U, Abdelrahman, M, Camp, A, García, V, Duch, M A, Ginjaume, M, Vanhavere, F

“…Abstract Exposure levels to staff in interventional radiology (IR) may be significant and appropriate assessment of radiation doses is needed. Issues regarding…”
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A benchmark for Monte Carlo simulations in gamma-ray spectrometry Part II: True coincidence summing correction factors by Lépy, M-C, Thiam, C, Anagnostakis, M, Cosar, C, de Blas, A, Dikmen, H, Duch, M A, Galea, R, Ganea, M L, Hurtado, S, Karfopoulos, K, Luca, A, Lutter, G, Mitsios, I, Persson, H, Potiriadis, C, Röttger, S, Salpadimos, N, Savva, M I, Sima, O, Thanh, T T, Townson, R W, Vargas, A, Vasilopoulou, T, Verheyen, L, Vidmar, T

“…The 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…”
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Feasibility study of computational occupational dosimetry: evaluating a proof-of-concept in an endovascular and interventional cardiology setting by O'Connor, U, Walsh, C, Gorman, D, O'Reilly, G, Martin, Z, Madhavan, P, Murphy, R T, Szirt, R, Almén, A, Andersson, M, Camp, A, Garcia, V, Duch, M A, Ginjaume, M, Abdelrahman, M, Lombardo, P, Vanhavere, F

“…Individual monitoring of radiation workers is essential to ensure compliance with legal dose limits and to ensure that doses are As Low As Reasonably…”
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AIR KERMA TO Hp(3) CONVERSION COEFFICIENTS FOR IEC 61267 RQR X-RAY RADIATION QUALITIES: APPLICATION TO DOSE MONITORING OF THE LENS OF THE EYE IN MEDICAL DIAGNOSTICS by Principi, S, Guardiola, C, Duch, M A, Ginjaume, M

“…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…”
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Eye lens dose in interventional cardiology by Principi, S, Delgado Soler, C, Ginjaume, M, Beltran Vilagrasa, M, Rovira Escutia, J J, Duch, M A

“…The ICRP has recently recommended reducing the occupational exposure dose limit for the lens of the eye to 20 mSv y(-1), averaged over a period of 5 y, with no…”
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Influence of dosemeter position for the assessment of eye lens dose during interventional cardiology by Principi, Sara, Ginjaume, Mercè, Duch, Maria Amor, Sánchez, Roberto M, Fernández, Jose M, Vano, Eliseo

“…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…”
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On the suitability of ultrathin detectors for absorbed dose assessment in the presence of high‐density heterogeneities by Bueno, M., Carrasco, P., Jornet, N., Muñoz‐Montplet, C., Duch, M. A.

“…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…”
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Determining the probability of locating peaks using computerized peak-location methods in gamma-ray spectra as a function of the relative peak-area uncertainty by Ali Santoro, M.C., Anagnostakis, M.J., Boshkova, T., Camacho, A., Iljadica, M.C. Fornaciari, Collins, S.M., Perez, R. Diaz, Delgado, J.U., Đurašavić, M., Duch, M.A., Elvira, V.H., Gomes, R.S., Gudelis, A., Gurau, D., Hurtado Bermudez, S., Idoeta, R., Jevremović, A., Kandić, A., Korun, M., Karfopoulos, K., Laubenstein, M., Long, S., Margineanu, R.M., Mitsios, I., Mulas, D., Nikolić, J.K., Pantelica, A., Medina, V. Peyres, Pibida, L., Potiriadis, C., Silva, R.L., Siri, S., Šešlak, B., Verheyen, L., Vodenik, B., Vukanac, I., Wiedner, H., Zorko, B.

“…The probabilities of locating peaks with a high relative peak-area uncertainty were determined empirically with nine types of peak-location software used in…”
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Comparison of two extremity dosemeters based on LiF:Mg,Cu,P thin detectors for mixed beta–gamma fields by Ginjaume, M., Pérez, S., Ortega, X., Duch, M. A.

“…Two types of thin LiF:Mg,Cu,P detectors, GR-200F and MCP-Ns, have been characterised for use in the design of an extremity dosemeter for mixed beta–photon…”
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