Deposition of tritiated water vapour to water surface in an outdoor field.

abstract：:Developments in hadron therapy require efforts to improve the accuracy of the dose delivered to a target volume. Here, the determination of the absorbed dose under reference conditions was analysed. Based on the International Atomic Energy Agency TRS-398 code of practice, for hadron beams, the combined standard uncert...

journal_title：Radiation protection dosimetry

authors： Rossomme S,Palmans H,Thomas R,Lee N,Duane S,Bailey M,Shipley D,Bertrand D,Romano F,Cirrone P,Cuttone G,Vynckier S

更新日期：2014-10-01 00:00:00

abstract：:Albedo dosemeters remain the most used dosemeters in neutron individual monitoring. In Brazil, most of the neutron occupational fields are from radionuclide sources, often without any moderation, where albedo dosemeters have poor energy response. The purpose of this work is to compare the HP(10) energy response of the...

journal_title：Radiation protection dosimetry

authors： Freitas BM,da Silva AX,Pereira WW,Mauricio CLP

更新日期：2018-08-01 00:00:00

abstract：:Neutron therapy beams are obtained by accelerating protons or deuterons on Beryllium. These neutron therapy beams present comparable dosimetric characteristics as those for photon beams obtained with linear accelerators; for instance, the penetration of a p(65)+Be neutron beam is comparable with the penetration of an ...

journal_title：Radiation protection dosimetry

authors： Vynckier S,International Atomic Energy Agency.,International Commission on Radiation Units and Measurements.

更新日期：2004-01-01 00:00:00

abstract：:Estimation of the effective inhalation dose of short half-life radon progeny requires the quantification of radon equilibrium equivalent activity concentrations (EEC, Ceq). The aim of the present study is to develop new methodology that focuses on spot measurements to determine EEC from single gross alpha counts and d...

journal_title：Radiation protection dosimetry

authors： Sakoda A,Ishimori Y,Kanzaki N,Tanaka H

更新日期：2020-11-13 00:00:00

abstract：:Internal contamination due to high-energy photon (HEP) emitters is assessed using a scanning bed whole-body monitor housed in a steel room at the Bhabha Atomic Research Centre (BARC). The monitor consists of a (203 mm diameter × 102 mm thickness) NaI(Tl) detector and is calibrated using a Reference BOMAB phantom repre...

journal_title：Radiation protection dosimetry

authors： Bhati S,Patni HK,Ghare VP,Singh IS,Nadar MY

更新日期：2012-03-01 00:00:00

abstract：:A monolithic silicon telescope, consisting of a DeltaE and an E stage-detector ( approximately 1.9 microm and 500 microm thick, respectively), was coupled to a polyethylene converter in order to investigate the feasibility of a solid state microdosimeter with respect to the field-funnelling effect. This work discusses...

journal_title：Radiation protection dosimetry

authors： Agosteo S,Colautti P,Fazzi A,Moro D,Pola A

更新日期：2006-01-01 00:00:00

abstract：:The position of detectors used for partial-body counters relative to a measured person has considerable influence on the counting efficiency of low-energy photon emitters. To minimise reading errors and enhance reproducibility of position data, an electronic position recording system was installed in the partial-body ...

journal_title：Radiation protection dosimetry

authors： Hegenbart L,Breustedt B

更新日期：2011-03-01 00:00:00

abstract：:The dosimetric use of the chemical solution chlorobenzene-ethanol-trimethylpentane (CET) is based on the radiolytic formation of hydrochloric acid, which protonates a pH indicator thymolsulphonphthalein. On the basis of the CET solution, an accident and emergency personal dosemeter was designed allowing doses in the r...

journal_title：Radiation protection dosimetry

authors： Miljanić S,Razem D

更新日期：2007-01-01 00:00:00

abstract：:Preliminary studies have been conducted into the occupational radiation exposure to NORMS from surface and underground mining operations in a gold mine in the Ashanti Region of Ghana. A brief description of the methods and instrumentation is presented. The annual effective dose has been estimated to be 0.26 +/- 0.11 m...

journal_title：Radiation protection dosimetry

authors： Darko EO,Tetteh GK,Akaho EH

更新日期：2005-01-01 00:00:00

abstract：:Lost wax casting is an industrial process which permits the transmutation into metal of models made in wax. The wax model is covered with a silicaceous shell of the required thickness and once this shell is built the set is heated and wax melted. Liquid metal is then cast into the shell replacing the wax. When the met...

journal_title：Radiation protection dosimetry

authors： Alegría N,Legarda F,Herranz M,Idoeta R

更新日期：2005-01-01 00:00:00

abstract：:Radon gas concentrations in eight basements, four living rooms and four caves from different locations in Kabul and Panjsher, Afghanistan, were measured by using eight active radon exposure meters recently developed by the Helmholtz Center in Munich, Germany. The two-phase measurements lasted from a week to a year. In...

journal_title：Radiation protection dosimetry

authors： Tanha MR,Vahlbruch JW,Riebe B,Irlinger J,Rühm W,Khalid FR,Storai A,Walther C

更新日期：2018-01-01 00:00:00

abstract：:The combination of fast neutron therapy and boron neutron capture therapy is currently being studied as a possible treatment for some radio-resistant brain tumours. In an attempt to design a boron-enhanced fast neutron therapy beam for the Fermilab Fast Neutron Therapy Facility, the use of moderating material surround...

journal_title：Radiation protection dosimetry

authors： Sweezy J,Hertel N,Lennox A

更新日期：2005-01-01 00:00:00

abstract：:In response to reactive oxygen species (ROS) or electrophiles, the transcription factor nuclear factor-erythroid 2 (NF-E2)-related factor 2 (Nrf2) rapidly translocates into the nucleus and induces the expression of various antioxidant genes, such as heme oxygenase-1 (HO-1). Low linear energy transfer (LET) ionising ra...

journal_title：Radiation protection dosimetry

authors： Yoshino H,Kiminarita T,Matsushita Y,Kashiwakura I

更新日期：2012-11-01 00:00:00

abstract：:The International Commission on Radiological Protection (ICRP) has published two reports giving recommendations dealing with the avoidance of deterministic injuries in interventional radiology and the management of patient dose in digital radiology in 2001 and 2004, respectively. Another document, on radiation protect...

journal_title：Radiation protection dosimetry

authors： Vano E,Faulkner K

更新日期：2005-01-01 00:00:00

abstract：:A new passive integral dosemeter for gamma ray monitoring is being developed using an imaging plate (IP). In the application of IPs to dosimetry, a fading effect causes serious problems. The fading is considered to be caused by the recombination or holes and charges trapped shallowly in the F centres, which have sever...

journal_title：Radiation protection dosimetry

authors： Ohuchi H,Yamadera A,Baba M

更新日期：2003-01-01 00:00:00

abstract：:The aim of biological dosimetry is to estimate the dose and the associated uncertainty to which an accident victim was exposed. This process requires the use of the maximum-likelihood method for fitting a calibration curve, a procedure that is not implemented in most statistical computer programs. Several laboratories...

journal_title：Radiation protection dosimetry

authors： Deperas J,Szluinska M,Deperas-Kaminska M,Edwards A,Lloyd D,Lindholm C,Romm H,Roy L,Moss R,Morand J,Wojcik A

更新日期：2007-01-01 00:00:00

abstract：:Absorbed fraction (AF) and specific absorbed fraction (SAF) are crucial values for the calculation of radionuclide S-values and consequently for internal dose estimates. The formalism of the Medical Internal Radiation Dose (MIRD) committee of the Society of Nuclear Medicine (SNM) has been utilised as a standard in the...

journal_title：Radiation protection dosimetry

authors： Lee C,Park S,Lee JK

更新日期：2007-01-01 00:00:00

abstract：:Habit surveys were carried out around four licensed nuclear sites to identify people who collect foodstuffs from the wild (so-called 'free foods'). In total, around 800 collectors were readily identified, most of whom collected more than one free food. The data indicated that estimates of higher than average doses cou...

journal_title：Radiation protection dosimetry

authors： Green N,Wilkins BT,Hammond DJ,Davidson MF,Richmond S,Brooker S

更新日期：2001-01-01 00:00:00

abstract：:Values of the new protection quantity 'Local Skin Dose' LSD, introduced by the International Commission on Radiological Protection (ICRP) Publication 116, were calculated for 134 β- or β+ emitting radionuclides, using the Monte Carlo code MCNP6. Two types of source geometry are considered: a point source and disc-type...

journal_title：Radiation protection dosimetry

authors： Bourgois L,Ménard S,Comte N

更新日期：2017-11-01 00:00:00

abstract：:The dose limiting factor for 131I therapy in patients with thyroid cancer is myelotoxicity, thus an accurate determination of radioiodine activity in the red marrow is of paramount importance. The reference method for red marrow dosimetry in radiometabolic therapy is based on the measurement of radioiodine kinetics, p...

journal_title：Radiation protection dosimetry

authors： Traino AC,Di Martino F,Boni G,Mariani G,Lazzeri M

更新日期：2004-01-01 00:00:00

abstract：:The current focus on networking and mutual assistance in the management of radiation accidents or incidents has demonstrated the importance of a joined-up approach in physical and biological dosimetry. To this end, the European Radiation Dosimetry Working Group 10 on 'Retrospective Dosimetry' has been set up by indivi...

journal_title：Radiation protection dosimetry

authors： Ainsbury EA,Bakhanova E,Barquinero JF,Brai M,Chumak V,Correcher V,Darroudi F,Fattibene P,Gruel G,Guclu I,Horn S,Jaworska A,Kulka U,Lindholm C,Lloyd D,Longo A,Marrale M,Monteiro Gil O,Oestreicher U,Pajic J,Rakic B

更新日期：2011-11-01 00:00:00

abstract：:Radium isotopes are dispersed in the environment according to their physicochemical characteristics. Considering their long half-lives and radiological effects, (226)Ra and (228)Ra are very important issues in radiological protection. In Brazil, radium isotopes represent an exposure problem both in nuclear fuel cycle ...

journal_title：Radiation protection dosimetry

authors： Fernandes PC,Sousa WO,Julião LM,Dantas BM

更新日期：2011-03-01 00:00:00

abstract：:In the framework of collaboration among the ENEA Radiation Protection Institute (Bologna), the ENEA Fusion Department (Frascati) and the INFN-LNF-Radiation Protection Group (Frascati), an experimental campaign was organised on the usage of thermoluminescence dosemeters (TLDs) for the dosimetric and spectrometric chara...

journal_title：Radiation protection dosimetry

authors： Bedogni R,Angelone M,Esposito A,Chiti M

更新日期：2006-01-01 00:00:00

abstract：:To calibrate a whole-body counter, it is necessary to find a determination method for peak efficiencies of detectors used in the whole-body counter. For this purpose, peak efficiencies of a Ge semiconductor detector for point and volume sources were evaluated in the photon energy range 60-1836 keV by Monte Carlo simul...

journal_title：Radiation protection dosimetry

authors： Kinase S,Noguchi H,Nakamura T

更新日期：2003-01-01 00:00:00

abstract：:The emerging 5 G wireless devices working at frequencies above 6 GHz are expected to have antenna arrays formed by dipoles, slots, patches or their combination. At lower frequencies, the accepted criteria for exposure compliance is stated in terms of specific absorption rate. IEEE and ICNIRP are adopting epithelial or...

journal_title：Radiation protection dosimetry

authors： Carrasco E,Colombi D,Foster KR,Ziskin M,Balzano Q

更新日期：2019-06-01 00:00:00

abstract：:Dose verification in heavy-ion beams using passive dosemeter systems, e.g. thermoluminescence dosemeters (TLDs), is crucial due to the changing efficiency of the dosemeters for different ion species and linear energy transfer (LET) values. This behaviour leads to a falsification of absorbed dose that can be significan...

journal_title：Radiation protection dosimetry

authors： Berger T,Hajek M,Summerer L,Fugger M,Vana N

更新日期：2006-01-01 00:00:00

abstract：:Biokinetic models are the scientific underpinning of internal dosimetry and depend, ultimately, for their scientific validation on comparisons with human bioassay data. Three significant plutonium/americium bioassay databases, known to the authors, are described: (1) Sellafield, (2) Los Alamos and (3) the United State...

journal_title：Radiation protection dosimetry

authors： Miller G,Riddell AE,Filipy R,Bertelli L,Little T,Guilmette R

更新日期：2007-01-01 00:00:00

abstract：:It is shown how the decision threshold, the detection limit and the limits of a coverage interval - summarily called the characteristic limits - and, in addition, the best estimate and the associated standard uncertainty of a non-negative radiation measurand are to be calculated by using the Monte Carlo (MC) method in...

journal_title：Radiation protection dosimetry

authors： Weise K,Kanisch G,Michel R,Schläger M,Schrammel D,Täschner M

更新日期：2009-07-01 00:00:00

abstract：:Bi-directional signaling involved in radiation-induced bystander effect (RIBE) between irradiated carcinoma cells and their surrounding non-irradiated normal cells is relevant to radiation cancer therapy. Using the SPICE-NIRS microbeam, we delivered 500 protons to A549-GFP lung carcinoma cells, stably expressing H2B-G...

journal_title：Radiation protection dosimetry

authors： Kobayashi A,Autsavapromporn N,Ahmad TAFT,Oikawa M,Homma-Takeda S,Furusawa Y,Wang J,Konishi T

更新日期：2019-05-01 00:00:00

abstract：:Thorium is used in many different industrial technologies and is widely found in nature. Internal contamination with thorium is considered as highly hazardous because of its radiological and chemical toxicities, which depend on the chemical form in which thorium appears. The assessment of the thorium body burden is th...

journal_title：Radiation protection dosimetry

authors： Genicot JL,Bruggeman M

更新日期：2001-01-01 00:00:00