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Journal of Radiological Protection: Official Journal of the Society for Radiological Protection

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https://www.readbyqxmd.com/read/28632136/perinatal-mortality-after-the-fukushima-accident
#1
Alfred Korblein, Helmut Küchenhoff
This is a letter, so no abstract is needed.
June 20, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28631620/effectiveness-of-pelvic-lead-blanket-to-reduce-the-doses-to-eye-lens-and-hands-of-interventional-cardiologists-and-assistant-nurses
#2
Włodzimierz Grabowicz, Joanna Karolina Domienik-Andrzejewska, Konrad Masiarek, Tomasz Górnik, Tomasz Grycewicz, Marcin Brodecki, Andrzej Lubiński
The aim of the present study is to analyse quantitatively the potential reduction of the doses to eye lens and the hands of an operator and a nurse by the pelvic lead blanket during coronary angiography (CA) and percutaneous transluminal coronary angioplasty (PTCA) procedures. Thermoluminescent dosimeters (TLDs) were used to assess dose levels to left eye lens and left and right fingers of both physician and nurses during single procedures performed with or without lead blanket. The measurements were carried out in one medical centre and include dosimetric data from100 procedures...
June 20, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28617675/application-of-rodes-software-to-experimental-biokinetic-data-for-dose-assessment-in-mice-and-rats
#3
H Miloudi, M Locatelli, G Autret, D Balvay, A Desbree, E Blanchardon, J M Bertho
H Miloudi, M Locatelli, G Autret, D Balvay, A Desbrée, E Blanchardon, J M Bertho: application of RODES software to experimental biokinetic data for dose assessment in mice and rats. In support of experimental studies of chronic, long-term contamination in rodents, voxel-based computer models were built representing adult mice and juvenile, adult and elderly rats of both sexes. RODES software was created to calculate absorbed radiation doses to organs with these specific anatomical models. Absorbed doses were then calculated starting from previously published biokinetic data...
June 15, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28617669/representativeness-of-individual-external-doses-estimated-for-one-quarter-of-residents-in-the-fukushima-prefecture-after-the-nuclear-disaster-the-fukushima-health-management-survey
#4
Tetsuo Ishikawa, Hideto Takahashi, Seiji Yasumura, Akira Ohtsuru, Akira Sakai, Tetsuya Ohira, Ritsu Sakata, Kotaro Ozasa, Keiichi Akahane, Shunsuke Yonai, Osamu Kurihara, Kenji Kamiya, Masafumi Abe
After the Fukushima Dai-ichi Nuclear Power Plant accident, the Fukushima Health Management Survey (FHMS) was launched. The Basic Survey, a component of FHMS, is a questionnaire used to survey residents across the Fukushima Prefecture about their behaviour in the first 4 months after the accident. The questionnaire findings are used to determine individual external doses by linking behaviour data to a computer programme with daily gamma ray dose rate maps, drawn after the accident. Through 30 June 2015, the response rate was only 27...
June 15, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28608782/residential-radon-in-galicia-a-cross-sectional-study-in-a-radon-prone-area
#5
María Lorenzo-González, A Ruano-Ravina, Joaquín Peón, María Piñeiro, Juan Barros-Dios
Residential radon exposure is a major public health problem. It is the second greatest cause of lung cancer, after smoking, and the greatest in never-smokers. This study shows the indoor radon exposure distribution in Galicia and estimates the percentage of dwellings exceeding reference levels. It is based on 3,245 residential radon measurements obtained from the Galician Radon Map project and from controls of two previous case-control studies on residential radon and lung cancer. Results show a high median residential radon concentration in Galicia (99 Bq/m3), with 49...
June 13, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28589924/bo-lindell-1922-2016
#6
Abel Julio González, Lars-Erik Holm, Jan Olof Snihs, Jack Valentin
No abstract text is available yet for this article.
June 6, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28589917/reply-to-comment-on-a-geographical-study-of-thyroid-cancer-incidence-in-north-west-england-following-the-windscale-nuclear-reactor-fire-of-1957
#7
Richard J Q McNally, Richard Wakeford, Peter W James, Nermine O Basta, Robert D Alston, Mark S Pearce, Alex T Elliott
No abstract text is available yet for this article.
June 6, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28589914/comment-on-a-geographical-study-of-thyroid-cancer-incidence-in-north-west-england-following-the-windscale-nuclear-reactor-fire-of-1957
#8
(no author information available yet)
No abstract text is available yet for this article.
June 6, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28586320/comparative-analyses-of-studies-of-childhood-leukemia-and-magnetic-fields-radon-and-gamma-radiation
#9
Leeka Kheifets, John Swanson, Yingzhe Yuan, Cynthia Kusters, Ximena Vergara
In this paper we compare the findings of epidemiologic studies of childhood leukemia that examined at least two of ELF magnetic fields and/or distance to power lines, and exposure to radon and gamma radiation or distance to nuclear plants. Many of the methodologic aspects are common to studies of non-ionising (i.e. ELF-MF) and ionising radiation. A systematic search and review of studies with more than one exposure under study identified 33 key and 35 supplementary papers from ten countries that have been included in this review...
June 6, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28586317/right-lateral-versus-left-lateral-view-for-forearm-coronary-angiography-an-operator-radiation-exposure-and-image-quality-study
#10
Elena Rodríguez-González, Miguel Castanedo-Álvarez, Ebrey León-Aliz, Jaime Benitez-Peyrat, Juan Francisco Oteo, Mónica Hernández-Hernández, Alfredo Montes-Uruén, Josebe Gorigolzarri-Artaza, María Alejandra Restrepo-Córdoba, Xavier Pifarré-Martínez, Javier Goicolea, Arturo García-Touchard
OBJECTIVES: The aim of this study was to analyze the operator radiation exposure (ORE) and the image quality in a coronary angiography (CA) of the standard left lateral view (LLV) and compare it with an alternative right lateral view (RLV). BACKGROUND: Interventional cardiologists are exposed to high doses of scatter radiation, especially in angulated projections. METHODS: We prospectively included consecutive patients who underwent diagnostic CA...
June 6, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28586315/report-of-task-group-on-the-impact-of-the-eye-lens-dose-limits
#11
Marie Claire Cantone, Merce Ginjaume, Saveta Miljanic, Colin J Martin, Keiichi Akahane, Louisa Mpete, Severino C Michelin, Cynthia M Flannery, Lawrence T Dauer, Stephen Balter
In 2012 IRPA established a task group (TG) to identify key issues in the implementation of the revised eye lens dose limit. The TG reported its conclusions in 2013. In January 2015, IRPA asked the TG to review progress with the implementation of the recommendations from the early report and to collate current practitioner experience. This report presents the results of a survey on the view of the IRPA professionals on the new limit to the lens of the eye and on the wider issue of tissue reactions. Recommendations derived from the survey are presented...
June 6, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28586312/assessing-the-reliability-of-dose-coefficients-for-exposure-to-radioiodine-by-members-of-the-public-accounting-for-dosimetric-and-risk-model-uncertainties
#12
M Puncher, W Zhang, J D Harrison, R Wakeford
Assessments of risk to a specific population group resulting from internal exposure to a particular radionuclide can be used to assess the reliability of the appropriate International Commission on Radiological Protection (ICRP) dose coefficients used as a radiation protection device for the specified exposure pathway. An estimate of the uncertainty on the associated risk is important for informing judgments on reliability; a derived uncertainty factor, UF, is an estimate of the 95% probable geometric difference between the best risk estimate and the nominal risk and is a useful tool for making this assessment...
June 6, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28581438/environmental-monitoring-through-use-of-silica-based-tld
#13
Siti Rozaila Zahariman, M Khandaker, Siti Fairus Abdul Sani, Siti Sabtu, Yusoff Amin, Mohd Jamil Maah, David Bradley
The sensitivity of a novel silica-based fibre-form thermoluminescence dosimeter is tested off-site of a rare-earths processing plant, investigating the potential for obtaining baseline measurements of naturally occurring radioactive materials. The dosimeter, a Ge-doped collapsed Photonic Crystal Fibre (PCFc) co-doped with B, has been calibrated against commercially available TLD (TLD-200 and TLD-100) using a bremsstrahlung (tube-based) x-ray source. Eight sampling sites within 1 to 20 km of the perimeter of the rare-earths facility have been identified, TLDs (silica- as well as TLD-200 and TLD-100) in each case being buried within soil at fixed depth, allowing measurements to be obtained, in this case for protracted periods of exposure of between two to eight months...
June 5, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28555612/development-of-an-advanced-radioactive-airborne-particle-monitoring-system-to-use-in-early-warning-networks
#14
A Baeza, Jose Angel Corbacho, José Manuel Caballero, María Ángeles Ontalba, José Vasco, David Valencia
Automatic real-time warning networks are essential for the almost immediate detection of anomalous levels of radioactivity in the environment. In the case of Extremadura region (SW Spain), a radiological network (RARE) has been operational in the vicinity of the Almaraz nuclear power plant and in other areas farther away since 1992. There are ten air monitoring stations equipped with Geiger-Müller counters in order to evaluate the external ambient gamma dose rate. Four of those stations have a commercial system that provides estimates of the total artificial alpha and beta activity concentrations in aerosols and the 131 I activity (gaseous fraction)...
May 30, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28516892/current-situations-and-discussions-in-japan-in-relation-to-the-new-occupational-equivalent-dose-limit-for-the-lens-of-the-eye
#15
Sumi Yokoyama, Nobuyuki Hamada, Toshiyuki Hayashida, Norio Tsujimura, Hideo Tatsuzaki, Tadahiro Kurosawa, Kuniaki Nabatame, Hiroyuki Ohguchi, Kazuko Ohno, Chiyo Yamauchi-Kawaura, Takeshi Iimoto, Takeshi Ichiji, Yutaka Hotta, Satoshi Iwai, Keiichi Akahane
Since the International Commission on Radiological Protection recommended reducing the occupational equivalent dose limit for the lens of the eye in 2011, extensive discussions have been made in various countries. This paper reviews current situations in radiation protection of the ocular lens and discussions on the potential impact of the new lens dose limit in Japan. Topics include historical changes in the lens dose limit, current situations in occupational lens exposures (e.g., in medical workers, nuclear workers, and Fukushima nuclear power plant workers) and measurements, current status of biological studies and epidemiological studies on radiation cataracts...
May 18, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28510538/measuring-and-assessing-individual-external-doses-during-the-rehabilitation-phase-in-iitate-village-after-the-fukushima-daiichi-nuclear-power-plant-accident
#16
Wataru Naito, Motoki Uesaka, Tadahiro Kurosawa, Yujiro Kuroda
After the Fukushima Daiichi Nuclear Power Plant accident in 2011, Iitate village was placed under an evacuation order because the level of radioactive materials drifting from the nuclear plant to the village were above a government-set level for allowing residents to live in the area. The evacuation advisory for most of the village was lifted on March 31, 2017. For displaced residents deciding whether or not to return to their homes, it is important to correctly understand and estimate the realistic individual external doses they will receive after returning to the village...
May 16, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28488593/towards-a-new-dose-and-dose-rate-effectiveness-factor-ddref-some-comments
#17
K H Chadwick
The aim of this article is to offer a broader, mechanism-based, analytical tool than that used by (Rühm et al 2016 Ann. ICRP 45 262-79) for the interpretation of cancer induction relationships. The article explains the limitations of this broader analytical tool and the implications of its use in view of the publications by Leuraud et al 2015 (Lancet Haematol. 2 e276-81) and Richardson et al 2015 (Br. Med. J. 351 h5359). The publication by Rühm et al 2016 (Ann. ICRP 45 262-79), which is clearly work in progress, reviews the current status of the dose and dose-rate effectiveness factor (DDREF) as recommended by the ICRP...
May 10, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28488591/red-emission-phosphor-s-brightness-deterioration-by-x-ray-and-brightness-recovery-phenomenon-by-heating
#18
Masaaki Nakamura, Koichi Chida, Yohei Inaba, Ryota Kobayashi, Masayuki Zuguchi
There are no feasible real-time and direct skin dosimeters for interventional radiology. One would be available if there were x-ray phosphors that had no brightness change caused by x-ray irradiation, but the emission of the Y2O3:Eu, (Y, Gd, Eu)BO3, and YVO4:Eu phosphors investigated in our previous study was reduced by x-ray irradiation. We found that the brightness of those phosphors recovered, and the purpose of this study is to investigate their recovery phenomena. It is expected that more kinds of phosphors could be used in x-ray dosimeters if the brightness changes caused by x-rays are elucidated and prevented...
May 10, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28474600/estimation-of-counting-efficiencies-of-portable-nai-detector-using-monte-carlo-simulation-for-thyroid-measurement-following-nuclear-accidents
#19
Wi-Ho Ha, Jong Kyung Kim, Young-Woo Jin
Radioiodine can be released from nuclear accidents and cause internal contamination of the thyroid gland of members of the public. In thyroid measurements of the general public, the counting efficiency is very important to accurately determine thyroid activity. Here, we estimated the counting efficiencies of a portable NaI detector using Monte Carlo simulations. Two different types of neck phantoms and a 7.62×7.62 cm2 NaI detector were modeled and the counting efficiencies were calculated depending on the thyroid size and distance from the neck phantom to the detector...
May 5, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28429683/biokinetics-of-yttrium-and-comparison-with-its-geochemical-twin-holmium
#20
Rich Leggett
The transition metal yttrium (Y, atomic number 39) is chemically similar to elements in the lanthanide family (atomic numbers 57-71) and is found with the lanthanides in rare earth ores. Yttrium and the lanthanide holmium are referred to as geochemical twins because they generally show little fractionation from metamorphic or weathering processes, due to their closely similar chemical properties and nearly identical ionic radii. Extensive measurements on rocks, soils, and meteorites indicate that the Y/Ho mass concentration ratio rarely falls far from the so-called chondritic or solar system ratio of ∼26...
April 21, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
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