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https://www.readbyqxmd.com/read/29659943/cooperation-process-between-a-local-government-and-experts-in-official-voluntary-decontamination-of-environmental-radioactivity
#1
Takeshi Iimoto, Hirofumi Fujii, Seiichi Someya, Hajime Matsuzawa, Yukihide Yanagawa, Kiyoshi Kunii
Kashiwa city, inside the Tokyo metropolitan area and located ~200 km south of the Fukushima Dai-ichi Nuclear Power Plant, received a raised environmental ambient radiation dose due to the disaster relative to the rest of area. In this paper, the challenging process of the official voluntary decontamination activity in Kashiwa city, Chiba prefecture, which was carried out with strong cooperation between a local government and experts, is described and reviewed in terms of the effectiveness of the radiation protection...
April 6, 2018: Journal of Radiation Research
https://www.readbyqxmd.com/read/29648460/the-role-of-experts-in-postaccident-recovery-lessons-learnt-from-chernobyl-and-fukushima
#2
J C Gariel, F Rollinger, T Schneider
Following a nuclear accident, a major dilemma for affected people is whether to stay or leave the affected area, or, for those who have been evacuated, whether or not to return to the decontaminated zones. Populations who have to make such decisions have to consider many parameters, one of which is the radiological situation. Feedback from Chernobyl and Fukushima has demonstrated that involvement and empowerment of the affected population is a way to provide them with the necessary elements to make informed decisions and, if they decide to return to decontaminated areas, to minimise exposure by contributing to the development of a prudent attitude and vigilance towards exposure...
January 1, 2018: Annals of the ICRP
https://www.readbyqxmd.com/read/29595573/public-health-resilience-checklist-for-high-consequence-infectious-diseases-informed-by-the-domestic-ebola-response-in-the-united-states
#3
Tara Kirk Sell, Matthew P Shearer, Diane Meyer, Hannah Chandler, Monica Schoch-Spana, Erin Thomas, Dale A Rose, Eric G Carbone, Eric Toner
CONTEXT: The experiences of communities that responded to confirmed cases of Ebola virus disease in the United States provide a rare opportunity for collective learning to improve resilience to future high-consequence infectious disease events. DESIGN: Key informant interviews (n = 73) were conducted between February and November 2016 with individuals who participated in Ebola virus disease planning or response in Atlanta, Georgia; Dallas, Texas; New York, New York; or Omaha, Nebraska; or had direct knowledge of response activities...
March 27, 2018: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/29571956/the-succession-of-the-plant-community-on-a-decontaminated-radioactive-meadow-site
#4
T Maystrenko, B Gruzdev, E Belykh, A Rybak
Long-term observation of the succession in a plant community is considered a fundamental unit used to investigate the expected consequences of soil contamination by radionuclides and to understand restoration of technogeneously disturbed ecosystems. The development of arboreal willow meadow under remediation of a radioactively contaminated site has been studied for half a century. Succession stages in the formation of the de novo community were noted. Changes in the floristic composition, soil structure as well as radionuclide activity concentrations in topsoil were registered on each step...
March 20, 2018: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/29565832/recent-advances-in-physical-post-harvest-treatments-for-shelf-life-extension-of-cereal-crops
#5
REVIEW
Marcus Schmidt, Emanuele Zannini, Elke K Arendt
As a result of the rapidly growing global population and limited agricultural area, sufficient supply of cereals for food and animal feed has become increasingly challenging. Consequently, it is essential to reduce pre- and post-harvest crop losses. Extensive research, featuring several physical treatments, has been conducted to improve cereal post-harvest preservation, leading to increased food safety and sustainability. Various pests can lead to post-harvest losses and grain quality deterioration. Microbial spoilage due to filamentous fungi and bacteria is one of the main reasons for post-harvest crop losses and mycotoxins can induce additional consumer health hazards...
March 22, 2018: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/29563438/effect-of-decontamination-and-cleaning-on-the-shear-bond-strength-of-high-translucency-zirconia
#6
Stephanie Krifka, Verena Preis, Martin Rosentritt
(1) Background: This study evaluated the bonding performance of high translucency zirconia after diverse surficial decontamination and cleaning procedures. (2) Methods: High translucency zirconia (LavaTM Esthetic) specimens (2.0 mm × 20 mm × 10 mm) were exposed to different surface treatments prior to bonding to CoCr cylinders (d = 5 mm, height = 3 mm). All surfaces were sandblasted (40 µm aluminum oxide, 2 bar) and treated with alcohol (al), saliva (s), saliva + water (sw), or saliva + NaOCl + water (sn) before bonding was performed with the following adhesive luting systems: RelyXTM Unicem 2 (RX), ScotchbondTM Universal (SBU) + RelyXTM Ultimate (RU) or Monobond Plus (MP) + Multilink® Automix (ML)...
November 14, 2017: Dentistry journal
https://www.readbyqxmd.com/read/29562346/performance-egg-quality-and-liver-lipid-reserves-of-free-range-laying-hens-naturally-infected-with-ascaridia-galli
#7
N Sharma, P W Hunt, B C Hine, N K Sharma, A Chung, R A Swick, I Ruhnke
A study was conducted to determine the performance, egg quality, and liver lipid reserves of laying hens exposed to ranges contaminated with Ascaridia galli. Sixteen-week-old Lohmann Brown laying hens (n = 200) were divided into 4 treatments with 5 replicates containing 10 hens per pen. Hens of treatment 1 [negative control (NC)] ranged on a decontaminated area, and hens of treatments 2 (low infection) and 3 (medium infection) ranged on areas previously contaminated by hens artificially infected with 250 and 1,000 embryonated A...
March 16, 2018: Poultry Science
https://www.readbyqxmd.com/read/29525969/time-trend-tendency-1988-2014-years-of-organochlorine-pesticide-levels-in-the-adipose-tissue-of-veracruz-inhabitants
#8
Ana Laura Calderón-Garcidueñas, Stefan M Waliszewski, Rubén Ruiz-Ramos, María Del Carmen Martinez-Valenzuela
The population that lives in areas where organochlorine pesticides were spread in the past is still exposed to them through contaminated food, particulate matter, and vapors. Due to their lipophilic properties and resistance to metabolic reactions, they accumulate in tissues and fluids rich in lipids. The aim of the study was to monitor the concentrations of organochlorine pesticides in forensic adipose tissue samples of adult inhabitants of Veracruz City, Mexico, and compare their time trend levels from 1988 to 2014...
March 10, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29518810/reuse-of-implant-healing-abutments-comparative-evaluation-of-the-efficacy-of-two-cleaning-procedures
#9
Claudio Stacchi, Federico Berton, Davide Porrelli, Teresa Lombardi
PURPOSE: To compare the efficacy of two systems in cleaning used healing abutments (HAs). MATERIALS AND METHODS: A total of 60 used HAs were randomized into two groups: one treated with an automatic cleaning system, and the other with conventional decontamination procedures. After sterilization and staining, the HAs were microscopically analyzed and underwent a cellular adhesion in vitro assay. RESULTS: Contaminated areas were observed with different frequencies in the two groups (3...
March 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29510165/pre-and-post-intervention-study-of-antiblastic-drugs-contamination-surface-levels-at-a-pharmacy-department-compounding-area-using-a-closed-system-drug-transfer-device-and-a-decontamination-process
#10
Silvia Valero, Eduardo López-Briz, Nieves Vila, Antonio Solana, Mar Melero, Jose Luis Poveda
Assuring healthcare workers security on Hazardous Drugs (HD) compounding is critical in healthcare settings. Our study aims to demonstrate that the use of a Close System drug Transfer Device (CSTD) PhaSeal™ added to a decontamination process reduces antiblastic surface contamination levels in the Compounding Area (CA) of our Pharmacy Department (PD). We selected cyclophosphamide, 5-fluorouracil and iphosphamide to be evaluated. Testing was carried out with a wipe kit and quantified by an independent laboratory...
March 3, 2018: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29504026/sensory-evaluation-of-cucumbers-treated-with-blue-light
#11
Pam Towery, J Stephen Guffey, Susan Motts, Kaleb Brown, Grafton Harrell, Todd Hobson, Chelsea Patton
Blue light delivered at wavelengths of 405 to 470 nm has been demonstrated to inhibit growth of bacteria on foodstuffs. This study investigated the effect of a narrow band of visible light on the color, texture, and flavor (organoleptic) properties of cucumbers. Previous research in this area has focused on either broad-spectrum light or specifically the UV bands of energy. Two experiments were performed, a sensory evaluation and a discriminative test. in both experiments, half of the cucumbers were irradiated with 464 nm at 18 J/cm2 and half were left untreated...
2018: Journal of Allied Health
https://www.readbyqxmd.com/read/29499754/foodborne-intestinal-protozoan-infection-and-associated-factors-among-patients-with-watery-diarrhea-in-northern-ethiopia-a-cross-sectional-study
#12
Birhane Berhe, Gessessew Bugssa, Sena Bayisa, Megbaru Alemu
BACKGROUND: Intestinal protozoa are parasites transmitted by consumption of contaminated water and food and mainly affect children and elder people and cause considerable health problems. They are the leading causes of outpatient morbidity due to diarrhea in the developing countries. So, assessing water and food source of diarrheal patients and identifying the main associated factors for transmission of protozoan parasitic infections help for effective control measures of protozoan infections...
March 2, 2018: Journal of Health, Population, and Nutrition
https://www.readbyqxmd.com/read/29499449/radiocesium-contamination-in-house-dust-within-evacuation-areas-close-to-the-fukushima-daiichi-nuclear-power-plant
#13
Naohide Shinohara, Hiroko Yoshida-Ohuchi
Outdoor decontamination efforts have been ongoing since the Fukushima Daiichi nuclear power plant (FDNPP) accident; however, little is known about indoor contamination. Therefore, house dust was sampled based on particle size in 21 wooden buildings (19 residential houses and 2 community centers) within the evacuation area close to the FDNPP, Fukushima Prefecture, Japan. Activities of radiocesium (137 Cs) per gram of house dust increased with decreasing particle size (mean: 6.1 × 103 , 2.6 × 103 , 1...
February 27, 2018: Environment International
https://www.readbyqxmd.com/read/29471976/organic-contaminant-removal-efficiency-of-sodium-bentonite-clay-bc-mixtures-in-high-permeability-regions-utilizing-reclaimed-wastewater-a-meso-scale-study
#14
Yang Xiao, Yunkai Li, Zigong Ning, Pengxiang Li, Peiling Yang, Chengcheng Liu, Zhongwei Liu, Feipeng Xu, Paul Dylan Hynds
Wastewater reclamation now represents an effective measure for sustainable water resource management in arid regions, however wastewater components (organic micropollutants) may potentially impact local ecological and/or human health. Previous studies have shown that sodium bentonite/natural clay (BC) mixes may be used to effectively reduce riverbed infiltration in regions characterized by excessively high hydraulic conductivity. Accordingly, the current study sought to investigate the contaminant removal efficiency (Re) of several BC mass ratios in simulated dry riverbeds...
January 31, 2018: Journal of Contaminant Hydrology
https://www.readbyqxmd.com/read/29465955/-use-of-leersia-hexandra-poaceae-for-soil-phytoremediation-in-soils-contaminated-with-fresh-and-weathered-oil
#15
Alfredo Arias-Trinidad, María del Carmen Rivera-Cruz, Antonio Roldán-Garrigós, Lorenzo Armando Aceves-Navarro, Roberto Quintero-Lizaola, Javier Hernández-Guzmán
The oil industry has generated chronic oil spills and their accumulation in wetlands of the state of Tabasco, in Southeastern Mexico. Waterlogging is a factor that limits the use of remediation technologies because of its high cost and low levels of oil degradation. However, Leersia hexandra is a grass that grows in these contaminated areas with weathered oil. The aim of the study was to evaluate the bacteria density, plant biomass production and phytoremediation of L. hexandra in contaminated soil. For this, two experiments in plastic tunnel were performed with fresh (E1) and weathered petroleum (E2) under waterlogging experimental conditions...
March 2017: Revista de Biología Tropical
https://www.readbyqxmd.com/read/29442190/effects-of-open-dumping-of-msw-on-metal-contamination-of-soil-plants-and-earthworms-in-ranchi-jharkhand-india
#16
Monika Singh, Mohini Verma, R Naresh Kumar
Influence of open dumping of municipal solid wastes (MSW) on metal contamination of soil, plants, and earthworms in Ranchi, Jharkhand, India, was studied over 6-month period. Dumpsite in the study area exists in two sections, old section where waste dumping has stopped and new section where wastes are currently disposed. Soil around dumpsite had high concentration of Co, Cr, Cu, Pb, and Zn than that at control site. Geoaccumulation index indicated uncontaminated to moderate level of soil contamination at old dumpsite and soil at new dumpsite was found to be uncontaminated...
February 13, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29421080/efficacy-of-seawater-for-washing-oiled-birds-during-an-oil-spill-response
#17
Graeme R Finlayson, B Louise Chilvers, Hayley Pearson, Bridey J White, Serena T Finlayson, Karin Sievwright, Nicki van Zyl, Kerri J Morgan, Curt Clumpner
Aquatic pollution events can be detrimental to the survival of wildlife, particularly birds. To decontaminate affected birds, large quantities of fresh water are required. A recent study using seabird feathers, demonstrated that seawater wash/rinse can effectively remove oil from feathers. However to determine whether seawater was effective for live birds, we used 36 mallard ducks to replicate the oiled feather wash/rinse study. We investigated the time and volume of water used, bird water-proofing scores after daily swims and a barbule amalgamation index (BAI), for feathers collected at stages throughout the process...
January 2018: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/29417481/effect-of-planting-density-and-harvest-protocol-on-field-scale-phytoremediation-efficiency-by-eucalyptus-globulus
#18
Jie Luo, Mei He, Shihua Qi, Jian Wu, Xiaowen Sophie Gu
The phytoremediation efficiency of multi-metal-polluted sites in an electronic waste recycling town by Eucalyptus globulus was evaluated through a series of 2-year field experiments. Different initial planting densities (2500, 5000, and 10,000 plants per ha), coppice rotations, and harvesting position (5 or 30 cm above the ground) protocols were designed to improve the remediation potential of the species. There were unnoticeable variations in metal concentrations and distribution characteristics in plant tissues in a low and medium planting-density field during the experimental period...
February 7, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29334858/case-study-of-occupational-mercury-exposure-during-decontamination-of-turnaround-in-refinery-plant
#19
Maytiya Muadchim, Wantanee Phanprasit, Mark Gregory Robson, Dusit Sujirarat, Rawee Detchaipitak
Decontamination during turnaround (TA) can lead to high exposure to toxic chemicals among workers. The decontamination process in refinery plants usually comprises two types, i.e. steam and chemical decontamination. No matter the method used, concentrations of toxic chemicals must be measured using the direct reading instrument at the end of each decontamination cycle, which maybe repeated several times until the readings are in acceptable level. To evaluate mercury exposure of decontamination workers during decontamination procedure in comprehensive turnaround of a refinery plant...
January 2017: International Journal of Occupational and Environmental Health
https://www.readbyqxmd.com/read/29316786/controlled-growth-and-grafting-of-high-density-au-nanoparticles-on-zinc-oxide-thin-films-by-photo-deposition
#20
Jérémy Cure, Hala Assi, Kévin Cocq, Lorena Marìn, Katia Fajerwerg, Pierre Fau, Eric Bêche, Yves J Chabal, Alain Estève, Carole Rossi
The integration of high-purity nano-objects on substrates remains a great challenge for addressing scaling-up issues in nanotechnology. For instance, grafting gold nanoparticles (NPs) on zinc oxide films, a major step process for catalysis or photovoltaic applications, still remains difficult to master. We report a modified photodeposition (P-D) approach that achieves tight control of the NPs size (7.5 ± 3 nm), shape (spherical), purity, and high areal density (3500 ± 10 NPs/μm2 ) on ZnO films. This deposition method is also compatible with large ZnO surface areas...
February 6, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
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