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https://www.readbyqxmd.com/read/27927262/first-successful-pre-distribution-of-stable-iodine-tablets-under-japan-s-new-policy-after-the-fukushima-daiichi-nuclear-accident
#1
Mayo Ojino, Sumito Yoshida, Takashi Nagata, Masami Ishii, Makoto Akashi
Stable iodine tablets are effective in reducing internal exposure to radioactive iodine, which poses a risk for thyroid cancer and other conditions. After the Fukushima Daiichi nuclear power plant accident, the Japanese government shifted its policy on stable iodine tablet distribution from "after-the-fact" to "before-the-fact" and instructed local governments to pre-distribute stable iodine tablets to residents living within a 5-km radius of nuclear facilities. The nation's first pre-distribution of stable iodine tablets was carried out in June and July of 2014 in Kagoshima Prefecture...
December 8, 2016: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/27923577/particulate-organic-matter-in-rivers-of-fukushima-an-unexpected-carrier-phase-for-radiocesiums
#2
Maud Naulier, Frédérique Eyrolle-Boyer, Patrick Boyer, Jean-Michel Métivier, Yuichi Onda
The role of particulate organic matter in radiocesium transfers from soils to rivers was investigated in areas contaminated by the Fukushima Daiichi Nuclear Power Plant accident. Suspended and deposited sediments, filtered water, macro organic debris and dead leaves were sampled along the six most contaminated coastal river catchments of the Fukushima prefecture in the early autumns 2013 and 2014. Radiocesium concentrations of river samples and total organic carbon concentrations in suspended and deposited sediments were measured...
December 3, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27923211/study-of-the-thermal-stability-of-studtite-by-in-situ-raman-spectroscopy-and-dft-calculations
#3
Francisco Colmenero, Laura J Bonales, Joaquín Cobos, Vicente Timón
The design of a safe spent nuclear fuel repository requires the knowledge of the stability of the secondary phases which precipitate when water reaches the fuel surface. Studtite is recognized as one of the secondary phases that play a key-role in the mobilization of the radionuclides contained in the spent fuel. Thereby, it has been identified as a product formed under oxidation conditions at the surface of the fuel, and recently found as a corrosion product in the Fukushima-Daiichi nuclear plant accident...
November 29, 2016: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/27922832/individual-external-dose-monitoring-of-all-citizens-of-date-city-by-passive-dosimeter-5-to-51-months-after-the-fukushima-npp-accident-series-1-comparison-of-individual-dose-with-ambient-dose-rate-monitored-by-aircraft-surveys
#4
Makoto Miyazaki, Ryugo Hayano
Date (da'te) City in Fukushima Prefecture has conducted a population-wide individual dose monitoring program after the Fukushima Daiichi Nuclear Power Plant Accident, which provides a unique and comprehensive data set of the individual doses of citizens. The purpose of this paper, the first in the series, is to establish a method for estimating effective doses based on the available ambient dose rate survey data. We thus examined the relationship between the individual external doses and the corresponding ambient doses assessed from airborne surveys...
December 6, 2016: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/27913701/considerations-and-challenges-in-the-icrp-dialogues
#5
T Hanzawa
'Yes I tried to explain, but residents couldn't understand …' This was the title of my presentation at the first International Commission on Radiological Protection (ICRP) dialogue seminar in November 2011 held at the Fukushima Prefectural Government office. The accident at Fukushima Daiichi nuclear power plant was triggered by the tsunami caused by the Great East Japan Earthquake of March 2011. Initially, it was thought that Date city, 50-60 km away from the accident, would be safe, but unfortunately this was not the case due to the direction of the wind at the time of the accident...
December 2, 2016: Annals of the ICRP
https://www.readbyqxmd.com/read/27895097/mass-media-communication-of-emergency-issues-and-countermeasures-in-a-nuclear-accident-fukushima-reporting-in-european-newspapers
#6
Eduardo Gallego, Marie Claire Cantone, Deborah H Oughton, Tanja Perko, Iztok Prezelj, Yevgeniya Tomkiv
This paper presents the results of a large study of 1340 articles published by two major newspapers in six European countries (Belgium, Italy, Norway, Slovenia, Spain and Russia) in the first 2 months after the Fukushima Daiichi nuclear disaster. The focus of the analysis is on the application and overall impact of protective actions, both during the emergency phase and later, how the newspapers describe those actions, which differences were apparent between countries and what recommendations can be extracted in order to improve general communication about these issues...
November 28, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27886996/a-comparison-of-remediation-after-the-chernobyl-and-fukushima-daiichi-accidents
#7
Sergey Fesenko, Mikhail Balonov, Gerhard Pröhl, Shinichi Nakayama, Brenda J Howard
Extensive remediation was conducted on contaminated landscapes after the Chernobyl accident in 1986 and the Fukushima Daiichi accident in 2011. A comparison is made of a range of different features relevant to each accident including the characteristics of the contamination and the landscapes affected, the radiological criteria, the designation of areas to be remediated and the remediation measures adopted.
November 24, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27886994/development-of-northeast-asia-nuclear-power-plant-accident-simulator
#8
Juyub Kim, Juyoul Kim, Li-Chi Cliff Po
A conclusion from the lessons learned after the March 2011 Fukushima Daiichi accident was that Korea needs a tool to estimate consequences from a major accident that could occur at a nuclear power plant located in a neighboring country. This paper describes a suite of computer-based codes to be used by Korea's nuclear emergency response staff for training and potentially operational support in Korea's national emergency preparedness and response program. The systems of codes, Northeast Asia Nuclear Accident Simulator (NANAS), consist of three modules: source-term estimation, atmospheric dispersion prediction and dose assessment...
November 24, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27881162/residence-related-factors-and-psychological-distress-among-evacuees-after-the-fukushima-daiichi-nuclear-power-plant-accident-a-cross-sectional-study
#9
Naoko Horikoshi, Hajime Iwasa, Norito Kawakami, Yuriko Suzuki, Seiji Yasumura
BACKGROUND: Relocation following a disaster can impact the psychological well-being of evacuees. This study investigated the associations between residence-related factors and psychological distress among evacuees living in temporary housing after the Fukushima Daiichi Nuclear Power Plant accident. METHODS: Data from 525 participants living in temporary housing were collected. Associations between residence-related factors (frequent relocation, dissatisfaction with the residence, and plan to move to permanent housing) and psychological distress were measured...
November 24, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27876870/radiocaesium-partitioning-in-japanese-cedar-forests-following-the-early-phase-of-fukushima-fallout-redistribution
#10
Frederic Coppin, Pierre Hurtevent, Nicolas Loffredo, Caroline Simonucci, Anthony Julien, Marc-Andre Gonze, Kenji Nanba, Yuichi Onda, Yves Thiry
Our study focused on radiocaesium ((137)Cs) partitioning in forests, three vegetation periods after the Fukushima Daiichi nuclear power plant accident. (137)Cs distribution in forest components (organic and mineral soil layers as well as tree compartments: stem, bark, needles, branches and roots) was measured for two Japanese cedar stand ages (17 and 33 years old). The results showed that around 85% of the initial deposit was found in the forest floor and topsoil. For the youngest stand almost 70% of the deposit is present in the forest floor, whereas for the oldest stand 50% is present in the 0-3 cm mineral soil layer...
November 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27848988/long-distance-transport-of-radioactive-plume-by-nocturnal-local-winds
#11
Takao Yoshikane, Kei Yoshimura, Eun-Chul Chang, Akane Saya, Taikan Oki
Radioactive plumes can spread far and wide depending on wind conditions. The plumes often frequently reached the Tokyo metropolitan area, which is approximately 200 km away from the Fukushima Daiichi nuclear power plant, under spatially heterogeneous wind fields in March 2011. To reduce exposure to radioactive plumes, the behaviour of the plumes must be known. However, the transport mechanism of radioactive plumes is not fully understood. Using a regional climate model, we show that multiple diurnal cycle processes play a key role in the frequent transport of radioactive plumes to the Tokyo metropolitan area...
November 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27845441/cellulose-nanofiber-backboned-prussian-blue-nanoparticles-as-powerful-adsorbents-for-the-selective-elimination-of-radioactive-cesium
#12
Adavan Kiliyankil Vipin, Bunshi Fugetsu, Ichiro Sakata, Akira Isogai, Morinobu Endo, Mingda Li, Mildred S Dresselhaus
On 11 March 2011, the day of the unforgettable disaster of the 9 magnitude Tohoku earthquake and quickly followed by the devastating Tsunami, a damageable amount of radionuclides had dispersed from the Fukushima Daiichi's damaged nuclear reactors. Decontamination of the dispersed radionuclides from seawater and soil, due to the huge amounts of coexisting ions with competitive functionalities, has been the topmost difficulty. Ferric hexacyanoferrate, also known as Prussian blue (PB), has been the most powerful material for selectively trapping the radioactive cesium ions; its high tendency to form stable colloids in water, however, has made PB to be impossible for the open-field radioactive cesium decontamination applications...
November 15, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27825326/the-effect-of-a-behavioral-activation-program-on-improving-mental-and-physical-health-complaints-associated-with-radiation-stress-among-mothers-in-fukushima-a-randomized-controlled-trial
#13
Kotaro Imamura, Yuki Sekiya, Yumi Asai, Maki Umeda, Naoko Horikoshi, Seiji Yasumura, Hirooki Yabe, Tsuyoshi Akiyama, Norito Kawakami
BACKGROUND: Mothers living with small children in Fukushima prefecture may experience radiation anxiety and related symptoms after the Fukushima Dai'ich Nuclear Power Plant Accident. A behavioral activation (BA) program was developed to improve their psychosomatic symptoms. The purpose of this randomized controlled trial was to examine the effectiveness of a BA program for improving psychological distress and physical symptoms among mothers with preschool children in Fukushima-prefecture 3 years after the Fukushima Daiichi Nuclear Power Plant accident...
November 8, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27802304/evaluation-of-risk-perception-and-risk-comparison-information-regarding-dietary-radionuclides-after-the-2011-fukushima-nuclear-power-plant-accident
#14
Michio Murakami, Jun Nakatani, Taikan Oki
In the wake of the 2011 Fukushima Daiichi Nuclear Power Station accident, to facilitate evidence-based risk communication we need to understand radiation risk perception and the effectiveness of risk-comparison information. We measured and characterized perceptions of dread risks and unknown risks regarding dietary radionuclides in residents of Fukushima, Tokyo, and Osaka to identify the primary factors among location, evacuation experience, gender, age, employment status, absence/presence of spouse, children and grandchildren, educational background, humanities/science courses, smoking habits, and various types of trustworthy information sources...
2016: PloS One
https://www.readbyqxmd.com/read/27798037/radiation-related-anxiety-among-public-health-nurses-in-the-fukushima-prefecture-after-the-accident-at-the-fukushima-daiichi-nuclear-power-station-a-cross-sectional-study
#15
Koji Yoshida, Makiko Orita, Aya Goto, Atsushi Kumagai, Kiyotaka Yasui, Akira Ohtsuru, Naomi Hayashida, Takashi Kudo, Shunichi Yamashita, Noboru Takamura
OBJECTIVE: In Japan, public health nurses (PHNs) play important roles in managing the health of local residents, especially after a disaster. In this study, we assessed radiation anxiety and the stress processing capacity of PHNs in the Fukushima Prefecture in Japan, after the accident at the Fukushima Daiichi Nuclear Power Station (FDNPS). METHODS: We conducted a questionnaire survey among the PHNs (n=430) in July of 2015 via postal mail. The questions included demographic factors (sex, age and employment position), knowledge about radiation, degree of anxiety about radiation at the time of the FDNPS accident (and at present), by asking them to answer questions about radiation and the Sense of Coherence-13 (SOC-13)...
October 24, 2016: BMJ Open
https://www.readbyqxmd.com/read/27798033/predictors-of-severe-psychological-distress-trajectory-after-nuclear-disaster-evidence-from-the-fukushima-health-management-survey
#16
Misari Oe, Masaharu Maeda, Masato Nagai, Seiji Yasumura, Hirooki Yabe, Yuriko Suzuki, Mayumi Harigane, Tetsuya Ohira, Masafumi Abe
OBJECTIVES: The Fukushima Daiichi Nuclear Power Plant accident, which occurred after the Great East Japan Earthquake and Tsunami in March 2011, may have a considerable long-term impact on the lives of area residents. The aims of this study were to determine the trajectories of psychological distress using 3-year consecutive data, and to find predictive factors of severe distress that may also prove useful for public health intervention. METHODS: Data were obtained on 12 371 residents who were registered in the municipalities categorised as complete evacuation areas for 3 years after the disaster and who completed an assessment in each of the 3 years...
October 19, 2016: BMJ Open
https://www.readbyqxmd.com/read/27776638/determination-of-236-u-in-environmental-samples-by-single-extraction-chromatography-coupled-to-triple-quadrupole-inductively-coupled-plasma-mass-spectrometry
#17
Guosheng Yang, Hirofumi Tazoe, Masatoshi Yamada
In order to measure trace (236)U and (236)U/(238)U in environmental samples with a high matrix effect, a novel and simple method was developed that makes the digestion and purification procedures compatible with advanced triple-quadrupole inductively coupled plasma-mass spectrometry. A total dissolution of sample with HF + HNO3 + HClO4 was followed by chromatographic separation with a single resin column containing normal type DGA resin (N,N,N',N'-tetra-n-octyldiglycolamide) as the extractant system. The analytical accuracy and precision of (236)U/(238)U ratios, measured as (236)U(16)O(+)/(238)U(16)O(+), were examined by using the reference materials IAEA-135, IAEA-385, IAEA-447, and JSAC 0471...
November 9, 2016: Analytica Chimica Acta
https://www.readbyqxmd.com/read/27758131/assessment-of-nutritional-status-of-iodine-through-urinary-iodine-screening-among-local-children-and-adolescents-after-the-fukushima-daiichi-nuclear-power-plant-accident
#18
Masaharu Tsubokura, Shuhei Nomura, Hajime Watanobe, Yoshitaka Nishikawa, Chiaki Suzuki, Sae Ochi, Claire Leppold, Hirokatsu Kinoshita, Shigeaki Kato, Yasutoshi Saito
Background Iodine deficiency is an important modifier of the risk of thyroid cancer following irradiation; however, little information is available on a prevalence of iodine deficiency in Fukushima and its surroundings after the Fukushima Daiichi nuclear power plant accident that occurred in March, 2011. Methods To assess urinary iodine concentrations (UIC) and a prevalence of iodine deficiency and to elucidate any associations between demographic characteristics and UIC levels among children and adolescents aged 18 or younger at the time of the accident in Fukushima Prefecture and its surroundings, we evaluated the data on voluntary UIC testing conducted by Hirata Central Hospital, Fukushima...
October 19, 2016: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/27749770/comparison-of-childhood-thyroid-cancer-prevalence-among-3-areas-based-on-external-radiation-dose-after-the-fukushima-daiichi-nuclear-power-plant-accident-the-fukushima-health-management-survey
#19
Tetsuya Ohira, Hideto Takahashi, Seiji Yasumura, Akira Ohtsuru, Sanae Midorikawa, Satoru Suzuki, Toshihiko Fukushima, Hiroki Shimura, Tetsuo Ishikawa, Akira Sakai, Shunichi Yamashita, Koichi Tanigawa, Hitoshi Ohto, Masafumi Abe, Shinichi Suzuki
The 2011 Great East Japan Earthquake led to a subsequent nuclear accident at the Fukushima Daiichi Nuclear Power Plant. In its wake, we sought to examine the association between external radiation dose and thyroid cancer in Fukushima Prefecture. We applied a cross-sectional study design with 300,476 participants aged 18 years and younger who underwent thyroid examinations between October 2011 and June 2015. Areas within Fukushima Prefecture were divided into three groups based on individual external doses (≥1% of 5 mSv, <99% of 1 mSv/y, and the other)...
August 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27744213/temporal-variation-of-dose-rate-distribution-around-the-fukushima-daiichi-nuclear-power-station-using-unmanned-helicopter
#20
Yukihisa Sanada, Tadashi Orita, Tatsuo Torii
Aerial radiological survey using an unmanned aerial vehicle (UAV) was applied to measurement surface contamination around the Fukushima Daiichi nuclear power station (FDNPS). An unmanned helicopter monitoring system (UHMS) was developed to survey the environmental effect of radioactive cesium scattered as a result of the FDNPS accident. The UHMS was used to monitor the area surrounding the FDNPS six times from 2012 to 2015. Quantitative changes in the radioactivity distribution trend were revealed from the results of these monitoring runs...
October 3, 2016: Applied Radiation and Isotopes
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