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https://www.readbyqxmd.com/read/28212379/distribution-and-abundance-of-key-vectors-of-rift-valley-fever-and-other-arboviruses-in-two-ecologically-distinct-counties-in-kenya
#1
Rosemary Sang, Samwel Arum, Edith Chepkorir, Gladys Mosomtai, Caroline Tigoi, Faith Sigei, Olivia Wesula Lwande, Tobias Landmann, Hippolyte Affognon, Clas Ahlm, Magnus Evander
BACKGROUND: Rift Valley fever (RVF) is a mosquito-borne viral zoonosis of ruminants and humans that causes outbreaks in Africa and the Arabian Peninsula with significant public health and economic consequences. Humans become infected through mosquito bites and contact with infected livestock. The virus is maintained between outbreaks through vertically infected eggs of the primary vectors of Aedes species which emerge following rains with extensive flooding. Infected female mosquitoes initiate transmission among nearby animals, which amplifies virus, thereby infecting more mosquitoes and moving the virus beyond the initial point of emergence...
February 17, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28211884/responses-of-spatial-temporal-dynamics-of-bacterioplankton-community-to-large-scale-reservoir-operation-a-case-study-in-the-three-gorges-reservoir-china
#2
Zhe Li, Lunhui Lu, Jinsong Guo, Jixiang Yang, Jiachao Zhang, Bin He, Linlin Xu
Large rivers are commonly regulated by damming, yet the effects of such disruption on bacterioplankton community structures have not been adequately studied. The aim of this study was to explore the biogeographical patterns present under dam regulation and to uncover the major drivers structuring bacterioplankton communities. Bacterioplankton assemblages in the Three Gorges Reservoir (TGR) were analyzed using Illumina Miseq sequencing by comparing seven sites located within the TGR before and after impoundment...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28210322/early-career-members-at-the-ers%C3%A2-international-congress-london-2016-early-career-forum
#3
Lieuwe D Bos, Sabine Bartel, Inigo Ojanguren Arranz, Nicolas C Kahn, Alexander G Mathioudakis, Emma Flood, Laura Petrarca, Aran Singanayagam, Georgia Hardavella
The @ERSTalk ECM Committee present highlights from #ERSLDN16 for Early Career Members http://ow.ly/tRYH305Owmz.
December 2016: Breathe
https://www.readbyqxmd.com/read/28210301/opportunities-for-junior-members-at-the-ers-international-congress-2016
#4
Agnes Boots, Emma Flood, Szymon Skoczynski
Junior member activities at the ERS International Congress 2016 http://ow.ly/uNDZ302hwFK.
September 2016: Breathe
https://www.readbyqxmd.com/read/28210252/compositions-and-abundances-of-sulfate-reducing-and-sulfur-oxidizing-microorganisms-in-water-flooded-petroleum-reservoirs-with-different-temperatures-in-china
#5
Huimei Tian, Peike Gao, Zhaohui Chen, Yanshu Li, Yan Li, Yansen Wang, Jiefang Zhou, Guoqiang Li, Ting Ma
Sulfate-reducing bacteria (SRB) have been studied extensively in the petroleum industry due to their role in corrosion, but very little is known about sulfur-oxidizing bacteria (SOB), which drive the oxidization of sulfur-compounds produced by the activity of SRB in petroleum reservoirs. Here, we surveyed the community structure, diversity and abundance of SRB and SOB simultaneously based on 16S rRNA, dsrB and soxB gene sequencing, and quantitative PCR analyses, respectively in petroleum reservoirs with different physicochemical properties...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28208784/lutein%C3%A2-and%C3%A2-zeaxanthin-food%C3%A2-sources-%C3%A2-bioavailability%C3%A2-and%C3%A2-dietary%C3%A2-variety%C3%A2-in%C3%A2-age-related%C3%A2-macular%C3%A2-degeneration%C3%A2-protection
#6
REVIEW
Bronwyn Eisenhauer, Sharon Natoli, Gerald Liew, Victoria M Flood
Lutein and zeaxanthin (L/Z) are the predominant carotenoids which accumulate in the retina of  the eye. The impact of L/Z intake on the risk and progression of age-related macular degeneration (AMD),  a leading cause of blindness in the developed world, has been investigated in cohort studies and clinical  trials. The aims of this review were to critically examine the literature and evaluate the current evidence  relating to L/Z intake and AMD, and describe important food sources and factors that increase the  bioavailability of L/Z, to inform dietary models...
February 9, 2017: Nutrients
https://www.readbyqxmd.com/read/28208681/the-effects-of-floods-on-the-incidence-of-bacillary-dysentery-in-baise-guangxi-province-china-from-2004-to-2012
#7
Xuena Liu, Zhidong Liu, Ying Zhang, Baofa Jiang
Research shows potential effects of floods on intestinal infections. Baise, a city in Guangxi Province (China) had experienced several floods between 2004 and 2012 due to heavy and constant precipitation. This study aimed to examine the relationship between floods and the incidence of bacillary dysentery in Baise. A mixed generalized additive model and Spearman correlation were applied to analyze the relationship between monthly incidence of bacillary dysentery and 14 flood events with two severity levels. Data collected from 2004 to 2010 were utilized to estimate the parameters, whereas data from 2011 to 2012 were used to validate the model...
February 12, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28202925/public-health-aspects-of-the-world-s-largest-mass-gathering-the-2013-kumbh-mela-in-allahabad-india
#8
Satchit Balsari, P Gregg Greenough, Dhruv Kazi, Aaron Heerboth, Shraddha Dwivedi, Jennifer Leaning
India's Kumbh Mela remains the world's largest and longest mass gathering. The 2013 event, where participants undertook a ritual bath, hosted over 70 million Hindu pilgrims during 55 days on a 1936 hectare flood plain at the confluence of the Yamuna and Ganga Rivers. On the holiest bathing days, the population surged. Unlike other religious, cultural, and sports mass gatherings, the Kumbh Mela's administration cannot estimate or limit the participant number. The event created serious and uncommon public health challenges: initiating crowd safety measures where population density and mobility directly contact flowing bodies of water; providing water, sanitation, and hygiene to a population that frequently defecates in the open; and establishing disease surveillance and resource use measures within a temporary health delivery system...
December 2016: Journal of Public Health Policy
https://www.readbyqxmd.com/read/28196339/acoustic-measurement-and-morphological-features-of-organic-sediment-deposits-in-combined-sewer-networks
#9
Iacopo Carnacina, Frédérique Larrarte, Nicoletta Leonardi
The performance of sewer networks has important consequences from an environmental and social point of view. Poor functioning can result in flood risk and pollution at a large scale. Sediment deposits forming in sewer trunks might severely compromise the sewer line by affecting the flow field, reducing cross-sectional areas, and increasing roughness coefficients. In spite of numerous efforts, the morphological features of these depositional environments remain poorly understood. The interface between water and sediment remains inefficiently identified and the estimation of the stock of deposit is frequently inaccurate...
January 26, 2017: Water Research
https://www.readbyqxmd.com/read/28196087/the-potential-of-indigenous-paenibacillus-ehimensis-bs1-for-recovering-heavy-crude-oil-by-biotransformation-to-light-fractions
#10
Biji Shibulal, Saif N Al-Bahry, Yahya M Al-Wahaibi, Abdulkadir E Elshafie, Ali S Al-Bemani, Sanket J Joshi
Microbial Enhanced Oil Recovery (MEOR) is a potential technology for residual heavy oil recovery. Many heavy oil fields in Oman and elsewhere have difficulty in crude oil recovery because it is expensive due to its high viscosity. Indigenous microbes are capable of improving the fluidity of heavy oil, by changing its high viscosity and producing lighter oil fractions. Many spore-forming bacteria were isolated from soil samples collected from oil fields in Oman. Among the isolates, an autochthonous spore-forming bacterium was found to enhance heavy oil recovery, which was identified by 16S rDNA sequencing as Paenibacillus ehimensis BS1...
2017: PloS One
https://www.readbyqxmd.com/read/28195580/extreme-oceanographic-forcing-and-coastal-response-due-to-the-2015-2016-el-ni%C3%A3-o
#11
Patrick L Barnard, Daniel Hoover, David M Hubbard, Alex Snyder, Bonnie C Ludka, Jonathan Allan, George M Kaminsky, Peter Ruggiero, Timu W Gallien, Laura Gabel, Diana McCandless, Heather M Weiner, Nicholas Cohn, Dylan L Anderson, Katherine A Serafin
The El Niño-Southern Oscillation is the dominant mode of interannual climate variability across the Pacific Ocean basin, with influence on the global climate. The two end members of the cycle, El Niño and La Niña, force anomalous oceanographic conditions and coastal response along the Pacific margin, exposing many heavily populated regions to increased coastal flooding and erosion hazards. However, a quantitative record of coastal impacts is spatially limited and temporally restricted to only the most recent events...
February 14, 2017: Nature Communications
https://www.readbyqxmd.com/read/28193553/an-investigation-of-reactivity-effect-due-to-inadvertent-filling-of-the-irradiation-channels-with-water-in-nirr-1-nigeria-research-reactor-1
#12
U Iliyasu, Y V Ibrahim, Sadiq Umar, S A Agbo, Y Jibrin
Investigation of reactivity variation due to flooding of the irradiation channels of Nigeria Research Reactor (NIRR-1) a low power miniature neutron source reactor (MNSR) located at the Centre for Energy Research and Training, Ahmadu Bello University, Zaria Nigeria using the MCNP code for High Enrich Uranium (HEU) and Low Enrich Uranium (LEU) core has been simulated in this present study. In this work, the excess reactivity worth of flooding HEU core for 1 inner, 2 inner, 3 inner, 4 inner and all inner are 0...
February 9, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28192998/monitoring-herbicide-concentrations-and-loads-during-a-flood-event-a-comparison-of-grab-sampling-with-passive-sampling
#13
Andrew Joseph Novic, Dominique S O'Brien, Sarit Leat Kaserzon, Darryl W Hawker, Stephen E Lewis, Jochen F Mueller
The suitability of passive samplers (Chemcatcher) as an alternative to grab sampling in estimating time-weighted average (TWA) concentrations and total loads of herbicides was assessed. Grab sampling complemented deployments of passive samplers in a tropical waterway in Queensland, Australia, before, during and after a flood event. Good agreement was observed between the two sampling modes in estimating TWA concentrations that was independent of herbicide concentrations ranging over two orders of magnitude...
February 14, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28192538/pattern-of-omega-3-polyunsaturated-fatty-acid-intake-and-fish-consumption-and-retinal-vascular-caliber-in-children-and-adolescents-a-cohort-study
#14
Bamini Gopinath, Hanieh Moshtaghian, Victoria M Flood, Jimmy C Y Louie, Gerald Liew, George Burlutsky, Paul Mitchell
We aimed to investigate whether fish and long chain omega-3 polyunsaturated fatty acid (LCn-3 PUFA) consumption changed appreciably during adolescence. We also assessed whether these dietary variables are associated with retinal microvascular signs (possible markers of future cardiovascular disease risk). 633 children had dietary data at ages 12 and 17. Fish and LCn-3 PUFA [eicosapentaenoic acid (EPA), docosapentaenoic acid (DPA) and docosahexaenoic acid (DHA)] intake was assessed by a food frequency questionnaire...
2017: PloS One
https://www.readbyqxmd.com/read/28192280/iterative-reconstruction-of-sipm-light-response-functions-in-a-square-shaped-compact-gamma-camera
#15
Andrey Morozov, Francisco Alves, Joao Marcos, Raimundo Martins, Luis Pereira, Vladimir Solovov, Vitaly Chepel
Compact gamma cameras with a square-shaped monolithic scintillator crystal and an array of silicon photomultipliers (SiPMs) are actively being developed for applications in areas such as small animal imaging, cancer diagnostics and radiotracer guided surgery. Statistical methods of position reconstruction, which are potentially superior to the traditional centroid method, require accurate knowledge of the spatial response of each photomultiplier. Using both Monte Carlo simulations and experimental data obtained with a camera prototype, we show that the spatial response of all photomultipliers (light response functions) can be parameterized with axially symmetric functions obtained iteratively from flood field irradiation data...
February 13, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28189028/assessment-of-heavy-metal-pollution-spatial-distribution-and-origin-in-agricultural-soils-along-the-sin%C3%A3%C2%BA-river-basin-colombia
#16
José Marrugo-Negrete, José Pinedo-Hernández, Sergi Díez
The presence of metals in agricultural soils from anthropogenic activities such as mining and agricultural use of metals and metal-containing compounds is a potential threat for human health through the food chain. In this study, the concentration of heavy metals in 83 agricultural soils irrigated by the Sinú River, in northern Colombia, affected by mining areas upstream and inundated during seasonal floods events were determined to evaluate their sources and levels of pollution. The average concentrations of Cu, Ni, Pb, Cd, Hg and Zn were 1149, 661, 0...
February 7, 2017: Environmental Research
https://www.readbyqxmd.com/read/28185732/water-resources-management-in-the-urban-agglomeration-of-the-lake-biwa-region-japan-an-ecosystem-services-based-sustainability-assessment
#17
Xiaochen Chen, Yuqing Chen, Toshiyuki Shimizu, Jia Niu, Ken'ichi Nakagami, Xuepeng Qian, Baoju Jia, Jun Nakajima, Ji Han, Jianhua Li
An innovative ecosystem services-based sustainability assessment was conducted in the important urban agglomeration of the Lake Biwa region, Japan, covering the time period from 1950 to 2014. A 22-indicator system was established that was based on the major ecosystem services of Lake Biwa and its water courses, i.e., provisioning services regarding aquatic products and water; regulating services regarding floods and water quality; cultural services regarding recreation and tourism, scientific research, and environmental education; and supporting services regarding biodiversity...
February 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28185654/assessment-of-nutrient-and-heavy-metal-contamination-in-the-seawater-and-sediment-of-yalujiang-estuary
#18
Hongjun Li, Lin Lin, Sheng Ye, Hongbo Li, Jingfeng Fan
Yalujiang River is a famous border river between China and North Korea. In this study, 22 sample sites (seawater and sediments) were investigated to determine the concentrations of nutrients (dissolved inorganic nitrogen and soluble reactive phosphorus) and trace elements (Hg, As, Pb, Cu, Cd, Cr, and Zn) during the flood season (August). Generally, the concentration of nutrients were higher in the entrance of the estuary than that in the downstream region and the trophic index ranged from moderate to high production, indicating a potential eutrophication risk...
February 6, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28183974/on-the-deep-mantle-origin-of-the-deccan-traps
#19
Petar Glišović, Alessandro M Forte
The Deccan Traps in west-central India constitute one of Earth's largest continental flood basalt provinces, whose eruption played a role in the Cretaceous-Paleogene extinction event. The unknown mantle structure under the Indian Ocean at the start of the Cenozoic presents a challenge for connecting the event to a deep mantle origin. We used a back-and-forth iterative method for time-reversed convection modeling, which incorporates tomography-based, present-day mantle heterogeneity to reconstruct mantle structure at the start of the Cenozoic...
February 10, 2017: Science
https://www.readbyqxmd.com/read/28179076/challenges-for-the-wfd-second-management-cycle-after-the-implementation-of-a-regional-multi-municipality-sanitation-system-in-a-coastal-lagoon-ria-de-aveiro-portugal
#20
M L Lopes, B Marques, J M Dias, A M V M Soares, A I Lillebø
In the scope of the first WDF management cycle, a multi-municipality sanitation system with secondary treatment was implemented in 2005 in Ria de Aveiro coastal lagoon, with the treated effluent discharging into the Atlantic Ocean through a submarine outfall. The lagoon water chemical status was evaluated regarding dissolved inorganic nutrients and chlorophyll a before and after 2005. The S. Jacinto outfall has effectively reduced the point source nutrient loads (ammonium and phosphate) into Ria de Aveiro, representing a step forward for the implementation of the WFD, through eutrophication abatement...
February 5, 2017: Science of the Total Environment
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