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https://www.readbyqxmd.com/read/27898949/modeling-response-to-heat-stress-in-pigs-from-nucleus-and-commercial-farms-in-different-locations-in-the-united-states
#1
B O Fragomeni, D A L Lourenco, S Tsuruta, S Andonov, K Gray, Y Huang, I Misztal
The purpose of this study was to analyze the impact of seasonal losses due to heat stress in different environments and genetic group combinations. Data were available for 2 different swine populations: purebred Duroc animals raised in nucleus farms in Texas and North Carolina and crosses of Duroc and F females (Landrace × Large White) raised in commercial farms in Missouri and North Carolina; pedigrees provided links between animals from different states. Traits included BW at harvest age for purebred animals and HCW for crossbred animals...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27894684/systematic-review-of-the-use-of-the-lymphocyte-cytokinesis-block-micronucleus-assay-to-measure-dna-damage-induced-by-exposure-to-polycyclic-aromatic-hydrocarbons
#2
REVIEW
Radim J Sram, Vlasta Svecova, Andrea Rossnerova
The effect of exposure to polycyclic aromatic hydrocarbons (PAHs) to induce micronuclei (MN) measured using the lymphocytes cytokinesis-block micronucleus (CBMN) assay were evaluated in 34 studies according to the exposure: 20 studies in coke oven workers, 7 studies in different occupational exposures as alluminium industry workers, rubber factory workers, road construction workers, airport workers and diesel exposed workers, 6 studies on environmentaly exposed groups as police, volunteers and children. Reviewed papers indicate that the CBMN assay is a sensitive biomarker of PAHs exposure in polluted air...
October 2016: Mutation Research
https://www.readbyqxmd.com/read/27879663/queuing-time-prediction-using-wifi-positioning-data-in-an-indoor-scenario
#3
Hua Shu, Ci Song, Tao Pei, Lianming Xu, Yang Ou, Libin Zhang, Tao Li
Queuing is common in urban public places. Automatically monitoring and predicting queuing time can not only help individuals to reduce their wait time and alleviate anxiety but also help managers to allocate resources more efficiently and enhance their ability to address emergencies. This paper proposes a novel method to estimate and predict queuing time in indoor environments based on WiFi positioning data. First, we use a series of parameters to identify the trajectories that can be used as representatives of queuing time...
November 22, 2016: Sensors
https://www.readbyqxmd.com/read/27876224/microenvironmental-air-quality-impact-of-a-commercial-scale-biomass-heating-system
#4
Zheming Tong, Bo Yang, Philip K Hopke, K Max Zhang
Initiatives to displace petroleum and climate change mitigation have driven a recent increase in space heating with biomass combustion. However, there is ample evidence that biomass combustion emits significant quantities of health damaging pollutants. We investigated the near-source micro-environmental air quality impact of a biomass-fueled combined heat and power system equipped with an electrostatic precipitator (ESP) in Syracuse, NY. Two rooftop sampling stations with PM2.5 and CO2 analyzers were established in such that one could capture the plume while the other one served as the background for comparison depending on the wind direction...
November 18, 2016: Environmental Pollution
https://www.readbyqxmd.com/read/27871327/ebola-zika-and-the-international-health-regulations-implications-for-port-health-preparedness
#5
R W Glynn, M Boland
BACKGROUND: The outbreak of Ebola Virus Disease in West Africa in 2014-2015 was unprecedented in terms of its scale and consequence.  This, together with the emergence of Zika virus as a Public Health Emergency of International Concern in 2016, has again highlighted the potential for disease to spread across international borders and provided an impetus for countries to review their Port Health preparedness. This report reviews the legislative framework and actions taken under this framework in advancing and improving Port Health preparedness in Ireland, in response to the declaration of the Public Health Emergency of International Concern for Ebola Virus Disease in August 2014...
November 21, 2016: Globalization and Health
https://www.readbyqxmd.com/read/27845538/terminal-c-gate-23
#6
Christian D Pulcini
This poem focuses on 19-year-old Anthony. At an airport terminal, his head is slumped and he reeks of alcohol. Anthony is unresponsive and has a pulse of 58. The author calls the paramedics and Anthony pulls through. (PsycINFO Database Record
March 2016: Families, Systems & Health: the Journal of Collaborative Family Healthcare
https://www.readbyqxmd.com/read/27816007/association-between-aircraft-road-and-railway-traffic-noise-and-depression-in-a-large-case-control-study-based-on-secondary-data
#7
Andreas Seidler, Janice Hegewald, Anna Lene Seidler, Melanie Schubert, Mandy Wagner, Patrik Dröge, Eva Haufe, Jochen Schmitt, Enno Swart, Hajo Zeeb
BACKGROUND: Few studies have examined the relationship between traffic noise and depression providing inconclusive results. This large case-control study is the first to assess and directly compare depression risks by aircraft, road traffic and railway noise. METHODS: The study population included individuals aged ≥40 years that were insured by three large statutory health insurance funds and were living in the region of Frankfurt international airport. Address-specific exposure to aircraft, road and railway traffic noise in 2005 was estimated...
January 2017: Environmental Research
https://www.readbyqxmd.com/read/27812969/two-dimensional-numerical-modelling-of-sediment-and-chemical-constituent-transport-within-the-lower-reaches-of-the-athabasca-river
#8
Shalini Kashyap, Yonas Dibike, Ahmad Shakibaeinia, Terry Prowse, Ian Droppo
Flows and transport of sediment and associated chemical constituents within the lower reaches of the Athabasca River between Fort McMurray and Embarrass Airport are investigated using a two-dimensional (2D) numerical model called Environmental Fluid Dynamics Code (EFDC). The river reach is characterized by complex geometry, including vegetated islands, alternating sand bars and an unpredictable thalweg. The models were setup and validated using available observed data in the region before using them to estimate the levels of cohesive sediment and a select set of chemical constituents, consisting of polycyclic aromatic hydrocarbons (PAHs) and metals, within the river system...
November 3, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27810303/surface-energy-balance-of-an-extensive-green-roof-as-quantified-by-full-year-eddy-covariance-measurements
#9
Jannik Heusinger, Stephan Weber
Green roofs are discussed as a promising type of green infrastructure to lower heat stress in cities. In order to enhance evaporative cooling, green roofs should ideally have similar Bowen ratio (β=sensible heat flux/latent heat flux) characteristics such as rural sites, especially during summer periods with high air temperatures. We use the eddy-covariance (EC) method to quantify the energy balance of an 8600m(2) extensive, non-irrigated green roof at the Berlin Brandenburg Airport, Germany over a full annual cycle...
January 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27795692/ultrafine-particle-size-as-a-tracer-for-aircraft-turbine-emissions
#10
Erin A Riley, Timothy Gould, Kris Hartin, Scott A Fruin, Christopher D Simpson, Michael G Yost, Timothy Larson
Ultrafine particle number (UFPN) and size distributions, black carbon, and nitrogen dioxide concentrations were measured downwind of two of the busiest airports in the world, Los Angeles International Airport (LAX) and Hartsfield-Jackson International Airport (ATL - Atlanta, GA) using a mobile monitoring platform. Transects were located between 5 km and 10 km from the ATL and LAX airports. In addition, measurements were taken at 43 additional urban neighborhood locations in each city and on freeways. We found a 3-5 fold increase in UFPN concentrations in transects under the landing approach path to both airports relative to surrounding urban areas with similar ground traffic characteristics...
August 2016: Atmospheric Environment
https://www.readbyqxmd.com/read/27794297/indo-pacific-humpback-dolphin-occurrence-north-of-lantau-island-hong-kong-based-on-year-round-passive-acoustic-monitoring
#11
Lisa Munger, Marc O Lammers, Mattie Cifuentes, Bernd Würsig, Thomas A Jefferson, Samuel K Hung
Long-term passive acoustic monitoring (PAM) was conducted to study Indo-Pacific humpback dolphins, Sousa chinensis, as part of environmental impact assessments for several major coastal development projects in Hong Kong waters north of Lantau Island. Ecological acoustic recorders obtained 2711 days of recording at 13 sites from December 2012 to December 2014. Humpback dolphin sounds were manually detected on more than half of days with recordings at 12 sites, 8 of which were within proposed reclamation areas...
October 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27788442/is-there-evidence-for-man-made-nanoparticles-in-the-dutch-environment
#12
Patrick S Bäuerlein, Erik Emke, Peter Tromp, Jan A M H Hofman, Andrea Carboni, Ferry Schooneman, Pim de Voogt, Annemarie P van Wezel
Only very limited information is available on measured environmental concentrations of nanoparticles. In this study, several environmental compartments in The Netherlands were probed for the presence of nanoparticles. Different types of water were screened for the presence of inorganic (Ag, Au, TiO2) and organic nanoparticles (C60, C70, [6,6]-phenyl-C61-butyric acid octyl ester, [6,6]-phenyl-C61-butyric acid butyl ester, [6,6]-phenyl-C61-butyric acid methyl ester, [6,6]-bis-phenyl-C61-butyric acid methyl ester, [6,6]-phenyl-C71-butyric acid methyl ester, [6,6]-thienyl-C61-butyric acid methyl ester)...
October 24, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27776369/detection-of-total-knee-arthroplasties-at-airport-security-checkpoints-how-do-updated-security-measures-affect-patients
#13
Kimona Issa, Todd P Pierce, Chukwuweieke Gwam, Peter Goljan, Anthony Festa, Anthony J Scillia, Michael A Mont
Airport security measures continue to be updated with the incorporation of the new body scanners and automatic target recognition software. The purpose of this study was analyze the incidence of: (1) triggering the security alarm; (2) extra security searches; (3) perceived inconvenience; and (4) presence of other surgical hardware in those who underwent total knee arthroplasty (TKA) and passed through airport security. A questionnaire was given to 125 consecutive patients with a TKA. Those who passed through airport security after January 2014 were considered for inclusion...
October 24, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27774371/turmoil-at-turrialba-volcano-costa-rica-degassing-and-eruptive-processes-inferred-from-high-frequency-gas-monitoring
#14
J Maarten de Moor, A Aiuppa, G Avard, H Wehrmann, N Dunbar, C Muller, G Tamburello, G Giudice, M Liuzzo, R Moretti, V Conde, B Galle
Eruptive activity at Turrialba Volcano (Costa Rica) has escalated significantly since 2014, causing airport and school closures in the capital city of San José. Whether or not new magma is involved in the current unrest seems probable but remains a matter of debate as ash deposits are dominated by hydrothermal material. Here we use high-frequency gas monitoring to track the behavior of the volcano between 2014 and 2015 and to decipher magmatic versus hydrothermal contributions to the eruptions. Pulses of deeply derived CO2-rich gas (CO2/Stotal > 4...
August 2016: Journal of Geophysical Research. Solid Earth
https://www.readbyqxmd.com/read/27757716/simedis-a-discrete-event-simulation-model-for-testing-responses-to-mass-casualty-incidents
#15
Michel Debacker, Filip Van Utterbeeck, Christophe Ullrich, Erwin Dhondt, Ives Hubloue
It is recognized that the study of the disaster medical response (DMR) is a relatively new field. To date, there is no evidence-based literature that clearly defines the best medical response principles, concepts, structures and processes in a disaster setting. Much of what is known about the DMR results from descriptive studies and expert opinion. No experimental studies regarding the effects of DMR interventions on the health outcomes of disaster survivors have been carried out. Traditional analytic methods cannot fully capture the flow of disaster victims through a complex disaster medical response system (DMRS)...
December 2016: Journal of Medical Systems
https://www.readbyqxmd.com/read/27752509/detection-of-poly-and-perfluoroalkyl-substances-pfass-in-u-s-drinking-water-linked-to-industrial-sites-military-fire-training-areas-and-wastewater-treatment-plants
#16
Xindi C Hu, David Q Andrews, Andrew B Lindstrom, Thomas A Bruton, Laurel A Schaider, Philippe Grandjean, Rainer Lohmann, Courtney C Carignan, Arlene Blum, Simona A Balan, Christopher P Higgins, Elsie M Sunderland
Drinking water contamination with poly- and perfluoroalkyl substances (PFASs) poses risks to the developmental, immune, metabolic, and endocrine health of consumers. We present a spatial analysis of 2013-2015 national drinking water PFAS concentrations from the U.S. Environmental Protection Agency's (US EPA) third Unregulated Contaminant Monitoring Rule (UCMR3) program. The number of industrial sites that manufacture or use these compounds, the number of military fire training areas, and the number of wastewater treatment plants are all significant predictors of PFAS detection frequencies and concentrations in public water supplies...
October 11, 2016: Environmental Science & Technology Letters
https://www.readbyqxmd.com/read/27744196/occurrence-and-seasonal-distribution-of-polycyclic-aromatic-hydrocarbons-and-legacy-and-current-use-pesticides-in-air-from-a-mediterranean-coastal-lagoon-mar-menor-se-spain
#17
A Carratalá, R Moreno-González, V M León
The occurrence and seasonal distribution of polycyclic aromatic hydrocarbons (PAHs) and legacy and current-use pesticides (CUPs) in air were characterized around the Mar Menor lagoon using both active and passive sampling devices. The seasonal distribution of these pollutants was determined at 6 points using passive samplers. Passive sampler sampling rates were estimated for all detected analytes using an active sampler, considering preferentially winter data, due to probable losses in active sampling during summer (high temperatures and solar irradiation)...
October 13, 2016: Chemosphere
https://www.readbyqxmd.com/read/27737506/rapid-screening-of-explosives-in-ambient-environment-by-aerodynamic-assisted-thermo-desorption-mass-spectrometry
#18
Qiang Zhao, Jianli Liu, Bo Wang, Xiaohua Zhang, Guangyan Huang, Wei Xu
Rapid, direct and trace detection of explosives in an open environment is of particular need in homeland and/or transportation security. In this work, an aerodynamic assisted thermo desorption mass spectrometry method was developed for the direct quantitative analyses of explosives from a distance. Remote non-volatile explosive sensing was achieved for 2, 4, 6-trinitrotoluene (TNT), trinitrohexahydro-1, 3, 5-triazine (RDX), 8701 (main ingredient: RDX 98.5%) and C4 (a type of plastic explosive) with a distance of 0...
October 13, 2016: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/27715015/enhancement-of-compound-selectivity-using-a-radio-frequency-ion-funnel-proton-transfer-reaction-mass-spectrometer-improved-specificity-for-explosive-compounds
#19
Ramón González-Méndez, Peter Watts, David Olivenza-León, D Fraser Reich, Stephen J Mullock, Clive A Corlett, Stuart Cairns, Peter Hickey, Matthew Brookes, Chris Anthony Mayhew
A key issue with any analytical system based on mass spectrometry with no initial separation of compounds is to have a high level of confidence in assignment. This is particularly true for areas of security, such as airports, and recent terrorist attacks have highlighted the need for reliable analytical instrumentation. Proton transfer reaction mass spectrometry is a useful technology for these purposes because the chances of false positives are small owing to the use of a mass spectrometric analysis. However, the detection of an ion at a given m/z for an explosive does not guarantee that that explosive is present...
October 7, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/27710844/a-geospatial-analysis-of-soil-lead-concentrations-around-regional-oklahoma-airports
#20
Alexander McCumber, K A Strevett
Lead has been banned from automobile gasoline since 1995; however, lead is still used as an additive to aviation gasoline (avgas). Airports are now one of the greatest sources of lead air emission in the US. The objectives of this study were (1) to evaluate soil lead levels radially from three regional airports; (2) collect historical meteorological data; (3) examine the soil organic matter content and (4) develop correlation coefficients to evaluate correlations among variables. Soil samples were collected from 3 different airports in Oklahoma and the soil lead concentration was measured using x-ray fluorescence (XRF)...
October 3, 2016: Chemosphere
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