Can default ICRP f1 values be applied to determine radiation dose from the intake of diet-incorporated thorium?

abstract：:The present study examines the energy-loss mechanism of charged particles in organic solids as determined by the inelastic interactions with the electronic sub-system of the target. The dielectric approach was applied to non-conducting valence electrons while an appropriate binary collision theory was used for core-el...

journal_title：Radiation protection dosimetry

authors： Emfietzoglou D

更新日期：2002-01-01 00:00:00

abstract：:A full description of all possible nuclear reactions that take place in a macroscopic device can only be accomplished with a nuclear model code in combination with key experimental data. To address this issue, the authors demonstrate some of the capabilities of TALYS, a nuclear reaction program which simulates nuclear...

journal_title：Radiation protection dosimetry

authors： Koning AJ,Duijvestijn MC

更新日期：2007-01-01 00:00:00

abstract：:In support of the effort to begin high-dose rate 252Cf brachytherapy treatments at Tufts-New England Medical Center, the shielding capabilities of a clinical accelerator vault against the neutron and photon emissions from a 1.124 mg 252Cf source were examined. Outside the clinical accelerator vault, the fast neutron d...

journal_title：Radiation protection dosimetry

authors： Melhus CS,Rivard MJ,Kurkomelis J,Liddle CB,Massé FX

更新日期：2005-01-01 00:00:00

abstract：:The US has far-reaching and extensive experience in the long-term management of areas contaminated with radioactive materials. This experience base includes the Department of Energy's continued follow-up with Hiroshima and Nagasaki from the 1940s at the Radiological Effects Research Foundation in Hiroshima, Japan, the...

journal_title：Radiation protection dosimetry

authors： Jones CR

更新日期：2004-01-01 00:00:00

abstract：:Monte Carlo simulations were used to assess secondary neutron doses received by patients treated with proton therapy for ocular melanoma and craniopharyngioma. MCNPX calculations of out-of-field doses were done for ∼20 different organs considering realistic treatment plans and using computational phantoms representati...

journal_title：Radiation protection dosimetry

authors： Farah J,Sayah R,Martinetti F,Donadille L,Lacoste V,Hérault J,Delacroix S,Nauraye C,Vabre I,Lee C,Bolch WE,Clairand I

更新日期：2014-10-01 00:00:00

abstract：:Multi-element thermoluminescence dosemeters (TLD), such as the Panasonic UD-809, are used in personal dosimetry. The Panasonic UD-809 dosemeter consists of one gamma sensitive and three neutron sensitive TLD elements with different filter materials. In this work, the neutron energy responses (the number of (n,alpha) r...

journal_title：Radiation protection dosimetry

authors： Veinot KG,Hertel NE

更新日期：2001-01-01 00:00:00

abstract：:In order to estimate typical radio frequency exposures from indoor used wireless communication technologies applied in homes and offices, WLAN, Bluetooth and Digital Enhanced Cordless Telecommunications systems, as well as baby surveillance devices and wireless headphones for indoor usage, have been investigated by me...

journal_title：Radiation protection dosimetry

authors： Schmid G,Lager D,Preiner P,Uberbacher R,Cecil S

更新日期：2007-01-01 00:00:00

abstract：:This study aimed to reveal the effect of X-irradiation on mitochondrial function in terms of mitochondrial membrane potential (ΔΨm) and ATP productivity. At the cellular level, ΔΨm was quantified using JC-1, a mitochondrial probe that emits red or green fluorescence at high or low ΔΨm sites, respectively. The fluoresc...

journal_title：Radiation protection dosimetry

authors： Hamada R,Kaminaga K,Suzuki K,Yokoya A

更新日期：2019-05-01 00:00:00

abstract：:An important factor in calculation of quantities describing the radiation situation is the selection of a calculation code. In this article, the radiation situation for selected geometries with multilayer shields was judged. Calculations were carried out using deterministic code VISIPLAN and stochastic code MCNP5. Int...

journal_title：Radiation protection dosimetry

authors： Bednár D,Lištjak M,Slimák A,Nečas V

更新日期：2019-12-31 00:00:00

abstract：:There have been several suggestions of biomarkers that are specific to high LET radiation. Such a biomarker could significantly increase the power of epidemiological studies of individuals exposed to densely-ionising radiations such as alpha particles (e.g. radon, plutonium workers, individuals exposed to depleted ura...

journal_title：Radiation protection dosimetry

authors： Brenner DJ,Okladnikova N,Hande P,Burak L,Geard CR,Azizova T

更新日期：2001-01-01 00:00:00

abstract：:During the 7th European Conference on Protection Against Radon at Home and at Work held in the autumn of 2013 in Prague, the second intercomparison of measuring instruments for radon and its short-lived decay products and the first intercomparison of radon/thoron gas discriminative passive detectors in mix field of ra...

journal_title：Radiation protection dosimetry

authors： Jílek K,Hýža M,Kotík L,Thomas J,Tomášek L

更新日期：2014-07-01 00:00:00

abstract：:Deposition of tritiated water vapour in the atmosphere to a water surface was studied in an outdoor field, where elevated concentrations of tritiated water vapour existed in the atmosphere over twelve days. Exchange velocities of tritiated water vapour between air and water were evaluated from tritium concentrations i...

journal_title：Radiation protection dosimetry

authors： Noguchi H,Fukutani S,Yokoyama S,Kinouchi N

更新日期：2001-01-01 00:00:00

abstract：:Magnetic resonance imaging (MRI) is one of the most common sources of electromagnetic (EM) fields as a diagnostic technique widely used in medicine. MRI staff during the working day is constantly exposed to static and spatially heterogeneous magnetic field. Also, moving around the MRI room to perform their functions, ...

journal_title：Radiation protection dosimetry

authors： Hartwig V,Virgili G,Ferrante Vero LF,De Marchi D,Landini L,Giovannetti G

更新日期：2018-12-01 00:00:00

abstract：:In circumstances of inhalation exposure the radiotoxicity of radionuclide depends on the fractional deposition of inhaled activity, which is governed by the aerodynamic characteristics of the particles. Although International Commission on Radiological Protection (ICRP) provides default size distribution parameters fo...

journal_title：Radiation protection dosimetry

authors： Shailesh M,Das T,Prabhat M,Kolekar RV,Gopalakrishnan RK

更新日期：2018-04-01 00:00:00

abstract：:Neutron emission rate measurements have been carried out at the Korea Research Institute of Standards and Science using a manganese sulphate bath system for (252)Cf and (241)Am-Be sources since 2004. The relative measurement method was chosen in 2012, and the neutron emission rates agreed with those by the absolute me...

journal_title：Radiation protection dosimetry

authors： Kim J,Park H,Choi KO

更新日期：2014-10-01 00:00:00

abstract：:In a large village, Veprin of the Bryansk region of Russia contaminated with radionuclides as a result of the Chernobyl accident, 137Cs concentration in food products of agricultural produce and natural origin was regularly measured, local inhabitants were polled on the composition of their diet, and the 137Cs content...

journal_title：Radiation protection dosimetry

authors： Travnikova IG,Bruk GJ,Shutov VN,Bazjukin AB,Balonov MI,Rahola T,Tillander M

更新日期：2001-01-01 00:00:00

abstract：:A new procedure allowing the separate estimation of neutron and gamma dose in mixed radiation fields has been developed in our laboratory. In this communication, a description of the main features of the discrimination procedure and some preliminary results obtained by its use are presented. The procedure is based on ...

journal_title：Radiation protection dosimetry

authors： Delgado A,Muñiz JL,Gómez Ros JM,Romero AM,Rodríguez R

更新日期：2007-01-01 00:00:00

abstract：:Owing to the introduction of new diagnostic procedures, such as computed tomography (CT), positron emission tomography (PET) and single photon emission computed tomography (SPECT), the individual dose caused by medical exposures has grown rapidly in the last years. This is especially a subject to radiation protection ...

journal_title：Radiation protection dosimetry

authors： Hoeschen C,Mattsson S,Cantone MC,Mikuz M,Lacasta C,Ebel G,Clinthorne N,Giussani A

更新日期：2010-04-01 00:00:00

abstract：:Dose response effects of diodes due to the high atomic number of silicon relative to water are investigated. While quality chances in the primary component of a megavoltage beam with depth are minimal. Compton scattered photons are shown to have a substantial effect on the quality leading to their enhanced absorption ...

journal_title：Radiation protection dosimetry

authors： Yin Z,Hugtenburg RP,Beddoe AH

更新日期：2002-01-01 00:00:00

abstract：:The World Health Organization (WHO), the International Commission on Non-Ionizing Radiation Protection (ICNIRP), WHO's scientific collaborating centres (including the UK's National Radiological Protection Board (NRPB)) and over 50 participating Member States are participants of WHO's International EMF Project. As part...

journal_title：Radiation protection dosimetry

authors： Repacholi MH

更新日期：2003-01-01 00:00:00

abstract：:Gamma spectrometry of well water was done to measure the activity concentrations of gamma-emitters 226Ra and 228Ra from 238U and 232Th series, respectively, and 40K in their waters. Measurements were done using high-purity (HPGe) co-axial detectors (Canberra, GC 2018-7500 ) coupled to Canberra Multichannel Analyser sy...

journal_title：Radiation protection dosimetry

authors： Ajayi OS,Owolabi TP

更新日期：2008-01-01 00:00:00

abstract：:The neural network method has been used for the unfolding of neutron spectra in neutron spectrometry by Bonner spheres. A back propagation algorithm was used for training of neural networks. 4 mm x 4 mm bare LiI (Eu) and in a polyethylene sphere set: 2, 3, 4, 5, 6, 7, 8, 10, 12, 18 inch diameter have been used for unf...

journal_title：Radiation protection dosimetry

authors： Kardan MR,Setayeshi S,Koohi-Fayegh R,Ghiassi-Nejad M

更新日期：2003-01-01 00:00:00

abstract：:Mapping the geogenic radon potential in Buzău County is part of a research project aiming to apply research for sustainable development and economic growth following the principles of geoconservation in order to support the 'Buzău Land' UNESCO Geopark initiative. The mapping of geogenic radon will be used as an overvi...

journal_title：Radiation protection dosimetry

authors： Moldovan MC,Burghele BD,Roba CA,Sferle TL,Buterez C,Mitrofan H

更新日期：2017-11-01 00:00:00

abstract：:A dose evaluation method for neutrons in the energy range of a few MeV to 100 MeV has been developed using a spectrum weight function (G-function), which is applied to an organic liquid scintillator of 12.7 cm in diameter and 12.7 cm in length. The G-function that converts the pulse height spectrum of the scintillator...

journal_title：Radiation protection dosimetry

authors： Kim E,Endo A,Yamaguchi Y,Yoshizawa M,Nakamura T

更新日期：2002-01-01 00:00:00

abstract：:Despite wide use of nuclear energy and radiation sources in industry and medicine, there is no centralised dose accounting system in Ukraine; existing dosimetry services operate obsolete manual thermoluminescence dosemeter (TLD) readers and do not meet modern proficiency standards. Currently, dosimetric monitoring is ...

journal_title：Radiation protection dosimetry

authors： Chumak V,Boguslavskaya A

更新日期：2007-01-01 00:00:00

abstract：:This paper describes the design and construction of a new performance testing programme that was implemented in Canada in 2008. The Canadian Regulator (Canadian Nuclear Safety Commission) had determined that their licensees, in addition to participating in the existing in vivo and in vitro performance tests, needed to...

journal_title：Radiation protection dosimetry

authors： Kramer GH

更新日期：2009-06-01 00:00:00

abstract：:In the present paper, the long noses of Pinocchio, Tengu and Trolls are used to measure, respectively, radon, thoron, and their decay products both by track-etch detectors and by Geiger-Müller (G-M) counters. Just recently, four new passive samplers (termed quatrefoil) have been developed which greatly simplify the de...

journal_title：Radiation protection dosimetry

authors： Tommasino L,Tokonami S,Tommasino PM

更新日期：2010-10-01 00:00:00

abstract：:Radioactive contamination of the environment occurred in the early fifties as a result of the releases from the Mayak plutonium production complex (Southern Urals, Russia). The releases of liquid wastes into the Techa river resulted in chronic exposure of 30,000 residents of the riverside communities. Since 1951 90Sr ...

journal_title：Radiation protection dosimetry

authors： Degteva MO,Kozheurov VP,Tolstykh EI

更新日期：1998-01-01 00:00:00

abstract：:A sample is provided of the radiological safety issues particular to low energy proton accelerators. 'Low' energy in this context is taken to mean proton energies of less than about 1 GeV. Many of the radiation issues are common to all particle accelerators. Here, those issues are addressed that may require perhaps no...

journal_title：Radiation protection dosimetry

authors： Moritz LE

更新日期：2001-01-01 00:00:00

abstract：:The fast assessment of the dose received by exposed persons is crucial in radiological accidents, so the 48 h of cell culture in conventional cytogenetic dosimetry in addition to some limitations after high doses becomes a disadvantage. The premature chromosome condensation (PCC) assay permits to analyse enough cells ...

journal_title：Radiation protection dosimetry

authors： Romero I,Lamadrid AI,González JE,García O,Voisin P,Roy L

更新日期：2015-03-01 00:00:00