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https://www.readbyqxmd.com/read/28324688/estimating-doses-from-aboriginal-bush-foods-post-remediation-of-a-uranium-mine
#1
Che Doering, Andreas Bollhöfer, Peter Medley
This paper presents a calculator to facilitate assessments of ingestion doses from Aboriginal bush foods. The calculator combines information on traditional diet and land use with radionuclide concentration ratios and ingestion dose coefficients to estimate doses. The calculator was applied to the planned remediation of Ranger uranium mine to derive a set of scaling factors between radionuclide activity concentrations in environmental media and ingestion dose from bush foods. The scaling factors can be used to estimate doses from bush foods once the post-remediation radiological conditions of the mine and surrounding environment are known...
March 18, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28324686/biosorption-of-the-strontium-ion-by-irradiated-saccharomyces-cerevisiae-under-culture-conditions
#2
Liang Qiu, Jundong Feng, Yaodong Dai, Shuquan Chang
As a new-emerging method for strontium disposal, biosorption has shown advantages such as high sorption capacity; low cost. In this study, we investigated the potential of Saccharomyces cerevisiae (S. cerevisiae) in strontium disposal under culture conditions and the effects of irradiation on their biosorption capabilities. We found that S. cerevisiae can survive irradiation and grow. Pre-exposure to irradiation rendered S. cerevisiae resistant to further irradiation. Surprisingly, the pre-exposure to irradiation can increase the biosorption capability of S...
March 17, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28324669/bacterial-endophytes-enhance-phytostabilization-in-soils-contaminated-with-uranium-and-lead
#3
Muhammad Tayyab Ahsan, Muhammad Najam-Ul-Haq, Muhammad Idrees, Inayat Ullah, Muhammad Afzal
The combined use of plants and bacteria is a promising approach for the remediation of polluted soil. In the current study, the potential of bacterial endophytes in partnership with Leptochloa fusca (L.) Kunth was evaluated for the remediation of uranium (U)- and lead (Pb)-contaminated soil. L. fusca was vegetated in contaminated soil and inoculated with three different endophytic bacterial strains, Pantoea stewartii ASI11, Enterobacter sp. HU38, and Microbacterium arborescens HU33, individually as well as in combination...
March 21, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28324249/evaluation-of-organic-amendment-on-the-effect-of-cadmium-bioavailability-in-contaminated-soils-using-the-dgt-technique-and-traditional-methods
#4
EDITORIAL
Yu Yao, Qin Sun, Chao Wang, Pei-Fang Wang, Shi-Ming Ding
Organic amendments have been widely proposed as a remediation technology for metal-contaminated soils, but there exist controversial results on their effectiveness. In this study, the effect of pig manure addition on cadmium (Cd) bioavailability in Cd-contaminated soils was systematically evaluated by one dynamic, in situ technique of diffusive gradients in thin films (DGT) and four traditional methods based on the equilibrium theory (soil solution concentration and the three commonly used extractants, i.e...
March 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28324138/remediation-of-petroleum-contaminated-soil-using-bulrush-straw-powder-biochar-and-nutrients
#5
Yanjie Wang, Fayun Li, Xiangmin Rong, Haixing Song, Jiabo Chen
The aim of this study was to determine the remediation efficiency of petroleum-contaminated soil from an oilfield using different types of remediation treatments under laboratory conditions. Compared with unamended soil as the control treatment (T1), soil samples were amended with bulrush straw powder (T2), with biochar alone (T3) and in combination with nutrients (nitrogen and phosphorus) (T4). The remediation experiment was carried out for 8 weeks. The extent of hydrocarbon degradation was monitored gravimetrically, and the residual oil fractions were analyzed by gas chromatography...
March 21, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28323628/effects-of-bach-flower-remedies-on-menopausal-symptoms-and-sleep-pattern-a-case-report
#6
Marcele Siegler, Cristina Frange, Monica Levy Andersen, Sergio Tufik, Helena Hachul
Context • During the postmenopausal stage, women go through many remarkable changes, including physical, emotional, and hormonal. They also experience some unwanted effects, such as vasomotor symptoms, anxiety, and insomnia. The use of Bach flower remedies has been described as a supporting therapy for those symptoms. Objectives • The investigation aimed to evaluate the effects of the supplement on sleep pattern (ie, sleep perception and objective sleep) and on menopausal symptoms. Design • The research team created a case report...
March 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28323586/home-cervical-traction-to-reduce-neck-pain-in-fighter-pilots
#7
Eric M Chumbley, Nicole O'Hair, Adrienne Stolfi, Christopher Lienesch, James C McEachen, Bruce A Wright
INTRODUCTION: Most fighter pilots report cervical pain during their careers. Recommendations for remediation lack evidence. We sought to determine whether regular use of a home cervical traction device could decrease reported cervical pain in F-15C pilots. METHODS: An institutional review board-approved, Health Insurance Portability and Accountability Act-compliant, controlled crossover study was undertaken with 21 male F-15C fighter pilots between February and June 2015...
December 1, 2016: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28323490/triterpenoid-acids-as-important-antiproliferative-constituents-of-european-elderberry-fruits
#8
Michał Gleńsk, Elżbieta Czapińska, Marta Woźniak, Ireneusz Ceremuga, Maciej Włodarczyk, Grzegorz Terlecki, Piotr Ziółkowski, Ewa Seweryn
In Europe, both the fruits and flowers of Sambucus nigra L. have been used against cold, as well as laxative, diaphoretic, and diuretic remedies. There are also a number of commercially available food products that contain elderberry juice, puréed or dried elderberries. Recent comprehensive literature data on pharmacology and chemistry of Sambuci fructus have encouraged us to screen extracts with different polarities from this plant material against cancer cell lines. The cytotoxic activity of the ethyl acetate and aqueous acetone extracts from elderberries as well as detected triterpenoids on human colon adenocarcinoma cell line (LoVo) and human breast cancer cell line (MCF-7) was investigated by sulforhodamine B assay...
March 21, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28323434/development-of-potential-methods-for-testing-congestion-control-algorithm-implemented-in-vehicle-to-vehicle-communications
#9
Chung-Jen Hsu, Joshua Fikentscher, Robert Kreeb
Objective A channel congestion problem might occur when the traffic density increases since the number of basic safety messages carried on the communication channel also increases in vehicle-to-vehicle communications. A remedy algorithm proposed in SAE J2945/1 is designed to address the channel congestion issue by decreasing transmission frequency and radiated power. This study is to develop potential test procedures for evaluating or validating the congestion control algorithm. Methods Simulations of a reference unit transmitting at a higher frequency are implemented to emulate a number of Onboard Equipment (OBE) transmitting at the normal interval of 100 milliseconds (10 Hz)...
March 21, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28319859/use-of-clay-to-remediate-cadmium-contaminated-soil-under-different-water-management-regimes
#10
Jianrui Li, Yingming Xu
We examined in situ remediation of sepiolite on cadmium-polluted soils with diverse water regimes, and several variables including brown rice Cd, exchangeable Cd, pH, and available Fe/P. pH, available Fe/P in soils increased gradually during continuous flooding, which contributed to Cd absorption on colloids. In control group (untreated soils), compared to conventional irrigation, brown rice Cd in continuous flooding reduced by 37.9%, and that in wetting irrigation increased by 31.0% (p<0.05). In contrast to corresponding controls, brown rice Cd in sepiolite treated soils reduced by 44...
March 17, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28319530/oral-chemical-burns-reported-to-the-poisons-information-centre-in-erfurt-germany-from-1997-to-2014
#11
Juliane Nehrlich, Hans-Peter Klöcking, Helmut Hentschel, Amelie Lupp
Devastating oral burns often followed by lifelong complications can result from ingestion of caustic substances. However, although being one of the most challenging situations in clinical practice, literature data on the epidemiology of oral burns are still scarce. Retrospective analysis of all cases of oral burns after ingestion of corrosive substances reported to the Poisons Information Centre in Erfurt, Germany, from 1997 to 2014 was performed. In total, 482 calls because of oral burns were registered, with no change in the numbers of cases during the years...
March 13, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28318794/ethylenediaminedisuccinic-acid-edds-enhances-phytoextraction-of-lead-by-vetiver-grass-from-contaminated-residential-soils-in-a-panel-study-in-the-field
#12
Ramesh Attinti, Kirk R Barrett, Rupali Datta, Dibyendu Sarkar
Phytoextraction is a green remediation technology for cleaning contaminated soils. Application of chelating agents increases metal solubility and enhances phytoextraction. Following a successful greenhouse experiment, a panel study under field weather elucidated the efficiency of the chelating agent ethylenediaminedisuccinic acid (EDDS) on phytoextraction of lead (Pb) by vetiver grass, a hyperaccumulator of Pb, and a nonaccumulator fescue grass from residential soils contaminated with Pb-based paint from Baltimore, MD and San Antonio, TX...
March 16, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28318156/-comparative-evaluation-of-the-marginal-accuracy-of-single-crowns-fabricated-computer-using-aided-design-computer-aided-manufacturing-methods-self-curing-resin-and-luxatemp
#13
Yuan Jianming, Tang Ying, Pan Feng, Xu Weixing
OBJECTIVE: This study aims to compare the marginal accuracy of single crowns fabricated using self-curing resin, Luxatemp, and computer aided design/computer aided manufacturing (CAD/CAM) methods in clinical application. METHODS: A total of 30 working dies, which were obtained from 30 clinical teeth prepared with full crown as standard, were created and made into 30 self-curing resin, Luxatemp, and CAD/CAM single crowns. The restorations were seated on the working dies, and stereomicroscope was used to observe and measure the thickness of reference points...
December 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28317956/efficient-bioremediation-of-radioactive-iodine-using-biogenic-gold-nanomaterial-containing-radiation-resistant-bacterium-deinococcus-radiodurans-r1
#14
Mi Hee Choi, Sun-Wook Jeong, Ha Eun Shim, Seong-Jae Yun, Sajid Mushtaq, Dae Seong Choi, Beom-Su Jang, Jung Eun Yang, Yong Jun Choi, Jongho Jeon
We herein report a new bioremediation method using a radiation-resistant bacterium. Biogenic gold nanomaterial-containing Deinococcus radiodurans R1 showed excellent capability for the removal of radioactive iodine (>99%) in several aqueous solutions. These observations demonstrated that our remediation system would be efficiently applied to the treatment of radioactive wastes.
March 20, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28317441/oxidative-degradation-of-pentachlorophenol-by-permanganate-for-isco-application
#15
Roger Matta, Serge Chiron
Potassium permanganate (KMnO4) has been an effective technology for the in situ chemical oxidation (ISCO) of many organic compounds including chlorinated alkanes and alkenes, but it has rarely been applied for oxidizing aromatic organochlorines. This study confirms the ability of permanganate to oxidize an aromatic chlorinated compound, pentachlorophenol (PCP), in an efficient manner at neutral pH. The rate of the reaction between KMnO4 and PCP was calculated and the results indicated that the reaction between PCP and permanganate is relatively fast with a second order rate k"∼ 30 M(-1)s(-1)...
March 18, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28316273/feasibility-and-acceptability-of-brief-cognitive-remediation-targeting-metacognition-in-acute-inpatients-with-psychosis-a-case-series
#16
Dimosthenis Tsapekos, Rumina Taylor, Matteo Cella
Cognitive remediation (CR) is an intensive intervention targeting cognitive impairment with the aim of improving functioning in people with psychotic disorders. Shorter forms of CR based on metacognition and targeting awareness of cognitive problems may be more appropriate for acute inpatient settings where time is limited. The objective of the study was to evaluate the feasibility and acceptability of a new brief course of CR targeting cognitive and metacognitive difficulties within an acute inpatient psychiatric setting...
March 20, 2017: Neuropsychological Rehabilitation
https://www.readbyqxmd.com/read/28315652/detection-and-elimination-of-corynebacterium-bovis-from-barrier-rooms-by-using-an-environmental-sampling-surveillance-program
#17
Christopher A Manuel, Umarani Pugazhenthi, Shannon P Spiegel, Jori K Leszczynski
Rodent health-monitoring programs based on sampling an IVC system's exhaust air dust (EAD) has enhanced and even replaced traditional sentinels for some rodent pathogens. EAD testing by qPCR assay is an optimal surveillance method for the rapid detection of Corynebacterium bovis-infected immunodeficient mice. Here we demonstrate that an active EAD surveillance program for C. bovis can be used to maintain nude mice C. bovis-free after the transition from historically enzootically infected colonies. During 3 events over 3 y, rapid detection of infection, elimination of infected mice, aggressive quarantine measures, and local decontamination prevented the spread of C...
March 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28315482/modes-of-antibacterial-action-of-curcumin-under-dark-and-light-conditions-a-toxicoproteomics-approach
#18
Ilya Shlar, Samir Droby, Victor Rodov
Curcumin is a potent natural food-grade antimicrobial compound. Exposure to light further enhances its antimicrobial capacity. Proteomic methods were used in this study for investigating the mechanistic aspects of the antibacterial curcumin effects in the dark and upon illumination. Escherichia coli cells exposed to water-dispersible curcumin-methyl-β-cyclodextrin inclusion complex under dark and light conditions were compared with the non-treated cells kept under the same illumination regimes. Curcumin treatment in the dark evoked adaptive responses aimed at mitigation of oxidative stress, DNA protection, proteostasis, modulation of redox state via changing NADH level, and gasotransmitter (H2S and NH3) biosynthesis...
March 14, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28315117/the-evolution-of-pollution-profile-and-health-risk-assessment-for-three-groups-svocs-pollutants-along-with-beijiang-river-china
#19
Jiao Tang, Taicheng An, Jukun Xiong, Guiying Li
Three important groups of semi-volatile organic compounds (SVOCs), polycyclic aromatic hydrocarbons (PAHs), organic chlorinated pesticides (OCPs) and phthalate esters (PAEs), were produced by various human activities and entered the water body. In this study, the pollution profiles of three species including 16 PAHs, 20 OCPs and 15 PAEs in water along the Beijiang River, China were investigated. The concentrations of Σ16PAHs in the dissolved and particulate phases were obtained as 69-1.5 × 10(2) ng L(-1) and 2...
March 17, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28314395/response-of-the-bacterial-community-in-oil-contaminated-marine-water-to-the-addition-of-chemical-and-biological-dispersants
#20
Camila Rattes de Almeida Couto, Diogo de Azevedo Jurelevicius, Vanessa Marques Alvarez, Jan Dirk van Elsas, Lucy Seldin
The use of dispersants in different stages of the oil production chain and for the remediation of water and soil is a well established practice. However, the choice for a chemical or biological dispersant is still a controversial subject. Chemical surfactants that persist long in the environment may pose problems of toxicity themselves; therefore, biosurfactants are considered to constitute an environmentally friendly and effective alternative. Nevertheless, the putative effects of such agents on the microbiomes of oil-contaminated and uncontaminated marine environments have not been sufficiently evaluated...
December 15, 2016: Journal of Environmental Management
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