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Éric Dumont
In order to limit ammonia (NH3 ) emissions from pig farms, various air cleaning solutions are widely applied. However, the literature data report that these systems (chemical scrubbers, bioscrubbers and biofilters) can be both inefficient and promote nitrous oxide (N2 O) production. As air cleaning technologies should not contribute to secondary trace gases that may have a stronger environmental impact than the raw gas compounds themselves, the objective of this study was to quantify the effect of NH3 treatment in pig farms on greenhouse gas (GHG) emissions...
June 14, 2018: New Biotechnology
Sean C Lucan, Andrew R Maroko, Jason L Seitchik, Dong Hum Yoon, Luisa E Sperry, Clyde B Schechter
INTRODUCTION: Studies of neighborhood food environments typically focus on select stores (especially supermarkets) and/or restaurants (especially fast-food outlets), make presumptions about healthfulness without assessing actual items for sale, and ignore other kinds of businesses offering foods/drinks. The current study assessed availability of select healthful and less-healthful foods/drinks from all storefront businesses in an urban environment and considered implications for food-environment research and community health...
June 11, 2018: American Journal of Preventive Medicine
Tetyda P Dobak, George Voorhout, Johannes C M Vernooij, Susanne A E B Boroffka
English bulldogs have been reported to have a high incidence of dystocia and caesarean section is often performed electively in this breed. A narrow pelvic canal is the major maternal factor contributing to obstructive dystocia. The objective of this cross-sectional study was to assess the pelvic dimensions of 40 clinically healthy English bulldogs using computed tomography pelvimetry. A control group consisting of 30 non-brachycephalic dogs that underwent pelvic computed tomography was retrospectively collected from the patient archive system...
May 31, 2018: Theriogenology
Hiren Vallabh, Sardar Shah-Khan, William Hsueh, John Nasr
No abstract text is available yet for this article.
August 2017: VideoGIE: an official video journal of the American Society for Gastrointestinal Endoscopy
Verônica O Alvarenga, Fernanda B Campagnollo, Arthur K R Pia, Deborah A Conceição, Yuri Abud, Celso Sant'Anna, Miriam D Hubinger, Anderson S Sant'Ana
Spray drying is a widely used method for producing milk powder. This process is not aimed to cause microbial inactivation, thus sporeforming bacteria may be abundant in the microbiota of milk powder. The first aim of this study was to determine the inactivation kinetics parameters in capillary tubes of three Bacillus cereus strains (436, B63, 540) in three menstrua (whole milk, phosphate buffer, and talc suspension) at 90, 100, and 110°C. D -values for B. cereus in the three menstrua were not significantly different at the highest tested temperature ( p > 0...
2018: Frontiers in Microbiology
Daniel R Parisi, Raúl Cruz Hidalgo, Iker Zuriguel
We report extensive numerical simulations of the flow of anisotropic self-propelled particles through a constriction. In particular, we explore the role of the particles' desired orientation with respect to the moving direction on the system flowability. We observe that when particles propel along the direction of their long axis (longitudinal orientation) the flow-rate notably reduces compared with the case of propulsion along the short axis (transversal orientation). And this is so even when the effective section (measured as the number of particles that are necessary to span the whole outlet) is larger for the case of longitudinal propulsion...
June 14, 2018: Scientific Reports
Pelle Ohlsson, Klara Petersson, Per Augustsson, Thomas Laurell
Sepsis is a common and often deadly systemic response to an infection, usually caused by bacteria. The gold standard for finding the causing pathogen in a blood sample is blood culture, which may take hours to days. Shortening the time to diagnosis would significantly reduce mortality. To replace the time-consuming blood culture we are developing a method to directly separate bacteria from red and white blood cells to enable faster bacteria identification. The blood cells are moved from the sample flow into a parallel stream using acoustophoresis...
June 14, 2018: Scientific Reports
Jan Leppert, Martin A C Härtel, Thomas Matthias Klapoetke, Peter Boeker
Hyper-fast GC/MS below 60 seconds measurement time has been used for the measurement of explosives. The new flow-field thermal gradient GC (FF-TG-GC) utilizes a modified transport process of the explosives at lowered temperatures. In combination with the focusing effect of the gradient high-resolution chromatograms are obtained even in very short time intervals. The reduction of the elution temperature by applying a thermal gradient along the chromatographic column is demonstrated by the simulation of the migration of analytes through the column...
June 14, 2018: Analytical Chemistry
Sally Mackay, Tina Buch, Stefanie Vandevijvere, Rawinia Goodwin, Erina Korohina, Mafi Funaki-Tahifote, Amanda Lee, Boyd Swinburn
The affordability of diets modelled on the current (less healthy) diet compared to a healthy diet based on Dietary Guidelines was calculated for population groups in New Zealand. Diets using common foods were developed for a household of four for the total population, Māori and Pacific groups. Māori and Pacific nutrition expert panels ensured the diets were appropriate. Each current (less healthy) diet was based on eating patterns identified from national nutrition surveys. Food prices were collected from retail outlets...
June 13, 2018: International Journal of Environmental Research and Public Health
David C Klonoff, Joan Lee Parkes, Boris P Kovatchev, David Kerr, Wendy C Bevier, Ronald L Brazg, Mark Christiansen, Timothy S Bailey, James H Nichols, Michael A Kohn
OBJECTIVE: Cleared blood glucose monitor systems (BGMs) for personal use may not always deliver levels of accuracy currently specified by international and U.S. regulatory bodies. This study's objective was to assess the accuracy of 18 such systems cleared by the U.S. Food and Drug Administration representing approximately 90% of commercially available systems used from 2013 to 2015. RESEARCH DESIGN AND METHODS: A total of 1,035 subjects were recruited to have a capillary blood glucose (BG) level measured on six different systems and a reference capillary sample prepared for plasma testing at a reference laboratory...
June 13, 2018: Diabetes Care
Thomas Wehrum, Thomas Lodemann, Paul Hagenlocher, Judith Stuplich, Ba Thanh Truc Ngo, Sebastian Grundmann, Anja Hennemuth, Jürgen Hennig, Andreas Harloff
BACKGROUND: To assess age-related changes of blood flow and geometry of the caval veins and right atrium (RA) using 4D flow cardiovascular magnetic resonance (CMR) data obtained in a population-based study. METHODS: An age-stratified sample (n = 126) of the population of the city of Freiburg, Germany, underwent transthoracic echocardiography and electrocardiogram-triggered and navigator-gated 4D flow CMR at 3 Tesla covering the caval veins and right heart...
June 14, 2018: Journal of Cardiovascular Magnetic Resonance
Louis D Brown, Joseph C Berryhill, Eric C Jones
Media coverage of mental health and other social issues often relies on episodic narratives that suggest individualistic causes and solutions, while reinforcing negative stereotypes. Community narratives can provide empowering alternatives, serving as media advocacy tools used to shape the policy debate on a social issue. This article provides health promotion researchers and practitioners with guidance on how to develop and disseminate community narratives to broaden awareness of social issues and build support for particular programs and policy solutions...
June 1, 2018: Health Promotion Practice
R Lombard-Latune, L Pelus, N Fina, F L'Etang, B Le Guennec, P Molle
Most of the tropical areas have sanitation problems to contend with. The French system of vertical-flow treatment wetlands (FS-VFTW) fed with raw wastewater could be a good water and sludge management solution. The purpose-adapted tropical design can reduce area requirement to below 1 m2 /population equivalents (p.e.). The Taupinière FS-VFTW on Martinique Island was built according to this design, with one stage but with a saturated layer at the bottom of the filter and a simplified trickling filter (TF) added for further treatment to meet the high performances targeted...
June 10, 2018: Science of the Total Environment
Jean-Pierre Mufusama, Karine Ndjoko Ioset, Doris Feineis, Ludwig Hoellein, Ulrike Holzgrabe, Gerhard Bringmann
In the context of post-marketing surveillance supporting public-health authorities to take evidence-based decisions to fight the spread of poor-quality medicines, the quality of antimalarial artemether-lumefantrine (AL) medicines was assessed in the Democratic Republic of the Congo (DRC). A total of 150 samples of AL containing products was collected from private pharmaceutical outlets in eight main cities: Goma, Kikwit, Kinshasa, Kisangani, Lubumbashi, Matadi, Mbandaka, and Mbuji-Mayi. All drug samples were successively analyzed by visual inspection, thin-layer chromatography (TLC), and high-performance liquid chromatography (HPLC) following The International Pharmacopoeia...
June 12, 2018: Drug Testing and Analysis
Maria Alberdi-Pagola
This data article comprises records from five Thermal Response Tests (TRT) of quadratic cross section pile heat exchangers. Pile heat exchangers, typically referred to as energy piles, consist of traditional foundation piles with embedded heat exchanger pipes. The data presented in this article are related to the research article entitled "Comparing heat flow models for interpretation of precast quadratic pile heat exchanger thermal response tests" (Alberdi-Pagola et al., 2018) [1]. The TRT data consists of measured inlet and outlet temperatures, fluid flow and injected heat rate recorded every 10 min...
June 2018: Data in Brief
Peter D Maskell, Calum Holmes, Margaux Huismann, Struan Reid, Martin Carr, Benjamin J Jones, Dawn L Maskell
It is common for forensic practitioners to calculate an individual's likely blood alcohol concentration following the consumption of alcoholic beverage(s) for legal purposes, such as in driving under the influence (DUI) cases. It is important in these cases to be able to give the uncertainty of measurement on any calculated result, for this reason uncertainty data for the variables used for any calculation are required. In order to determine the uncertainty associated with the alcohol concentration of beer in the UK the alcohol concentration (%v/v) of 218 packaged beers (112 with an alcohol concentration of ≤5...
July 2018: Science & Justice: Journal of the Forensic Science Society
Shaojing Sun, Giuseppe A Veltri, Fan Wang
BACKGROUND: Electronic cigarettes (E-cigarettes) have become a debated issue for tobacco control over recent years. In this study we investigate how Chinese newspapers have covered E-cigarettes over the past ten years. METHODS: The study analyses the salience, patterns and content of news articles pertaining to E-cigarettes in regional and national Chinese outlets. A total of 476 articles are examined via content analysis and supervised automatic text analysis. The manual content analysis generates a coding scheme, which is then validated and applied to machine learning...
June 13, 2018: BMC Public Health
Federica Sacco, Bruno Paun, Oriol Lehmkuhl, Tinen L Iles, Paul A Iaizzo, Guillaume Houzeaux, Mariano Vázquez, Constantine Butakoff, Jazmin Aguado-Sierra
Computational modelling plays an important role in right ventricular (RV) haemodynamic analysis. However, current approaches employ smoothed ventricular anatomies. The aim of this study is to characterise RV haemodynamics including detailed endocardial structures like trabeculae, moderator band and papillary muscles (PMs). Four paired detailed and smoothed RV endocardium models (two male and two female) were reconstructed from ex-vivo human hearts high-resolution magnetic resonance images (MRI). Detailed models include structures with ≥1 mm2 cross-sectional area...
June 11, 2018: International Journal for Numerical Methods in Biomedical Engineering
Mamello A Nchake, Lawrence Edwards, Neil Rankin
The data presented in this article are related to the research article entitled "Closer monetary union and product market integration in emerging economies: Evidence from the Common Monetary Area in Southern Africa" (M. A. Nchake, L. Edwards, N. Rankin, 2017) [1]. This article describes the monthly retail product prices used in the compilation of the consumer price index of Lesotho, South Africa and Botswana, and collected by the statistical offices in the respective countries. The data are provided at the product level and vary across cities and across time...
August 2018: Data in Brief
Elena Blázquez, Carmen Rodríguez, Jesús Ródenas, Neus Saborido, Marc Solà-Ginés, Ana Pérez de Rozas, Joy M Campbell, Joaquim Segalés, Joan Pujols, Javier Polo
The objective of this study was to determine the effectiveness of the spray-drying process on the inactivation of S. choleraesuis and S. typhimurium spiked in liquid porcine plasma and to test the additive effect of immediate post-drying storage. Commercial spray-dried porcine plasma was sterilized by irradiation and then reconstituted (1:9) with sterile water. Aliquots of reconstituted plasma were inoculated with either S. choleraesuis or S. typhimurium, subjected to spray-drying at an inlet temperature of 200°C and an outlet temperature of either 71°C or 80°C, and each spray-drying temperature combinations were subjected to either 0, 30 or 60 seconds of residence time (RT) as a simulation of residence time typical of commercial driers...
June 11, 2018: Letters in Applied Microbiology
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