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https://www.readbyqxmd.com/read/29325587/human-echinostomiasis-a-case-report
#1
Ranjit Sah, Shusila Khadka, Rabin Hamal, Sagar Poudyal
BACKGROUND: Echinostomiasis is a food-borne infection caused by an intestinal trematodes belonging to the family Echinostomatidae. They infect the gastrointestinal tract of humans. Patients are usually asymptomatic. However, with heavy infections, the worms can produce catarrhal inflammation with mild ulceration and the patient may experience abdominal pain, anorexia, nausea, vomiting, diarrhea and weight loss. Infection are associated with common sociocultural practices of eating raw or insufficiently cooked mollusks and fish...
January 11, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29243065/long-term-effects-of-grazing-and-topography-on-extra-radical-hyphae-of-arbuscular-mycorrhizal-fungi-in-semi-arid-grasslands
#2
Haiyan Ren, Weiyang Gui, Yongfei Bai, Claudia Stein, Jorge L M Rodrigues, Gail W T Wilson, Adam B Cobb, Yingjun Zhang, Gaowen Yang
Grazing and topography have drastic effects on plant communities and soil properties. These effects are thought to influence arbuscular mycorrhizal (AM) fungi. However, the simultaneous impacts of grazing pressure (sheep ha-1) and topography on plant and soil factors and their relationship to the production of extra-radical AM hyphae are not well understood. Our 10-year study assessed relationships between grazing, plant species richness, aboveground plant productivity, soil nutrients, edaphic properties, and AM hyphal length density (HLD) in different topographic areas (flat or sloped)...
December 14, 2017: Mycorrhiza
https://www.readbyqxmd.com/read/29236717/burrow-characteristics-of-the-mud-shrimp-austinogebia-edulis-an-ecological-engineer-causing-sediment-modification-of-a-tidal-flat
#3
Shagnika Das, Li-Chun Tseng, Lan Wang, Jiang-Shiou Hwang
The mud shrimp Austinogebia edulis, being abundant in the intertidal zone of western Taiwan, constructs deep burrows (>1 m). This study highlights the potential of mud shrimps to modify sediment characteristics of the tidal flat by its burrowing behavior. We studied the structure of the burrow wall, compared the difference in the sediment composition of the burrow and the background sediment, and compared the organic content inside the burrow wall. This study was carried out from September 2015 to November 2016 in three areas of the western coast of Taiwan, namely Shengang, Hanbow, and Wangong...
2017: PloS One
https://www.readbyqxmd.com/read/29175759/a-membrane-bioreactor-with-iron-dosing-and-acidogenic-co-fermentation-for-enhanced-phosphorus-removal-and-recovery%C3%A2-in%C3%A2-wastewater-treatment
#4
Ruo-Hong Li, Xiao-Mao Wang, Xiao-Yan Li
A novel phosphorous (P) removal and recovery process using a membrane bioreactor (MBR) with ferric iron dosing and acidogenic co-fermentation was developed for municipal wastewater treatment. The very different solubility of Fe(III)-P and Fe(II)-P complex and the microbial transformation of Fe(III) to Fe(II) were utilized for P removal and recovery. By means of Fe-induced precipitation, chemical P removal was effectively achieved by an MBR with a flat-plate ceramic membrane; however, the Fe(III)-P solids accumulated in the MBR that constituted a significant fraction of the activated sludge...
November 17, 2017: Water Research
https://www.readbyqxmd.com/read/29163410/modeling-reveals-the-role-of-aging-and-glucose-uptake-impairment-in-l1a1-listeria-monocytogenes-biofilm-life-cycle
#5
Eva Balsa-Canto, Carlos Vilas, Alejandro López-Núñez, Maruxa Mosquera-Fernández, Romain Briandet, Marta L Cabo, Carlos Vázquez
Listeria monocytogenes is a food-borne pathogen that can persist in food processing plants by forming biofilms on abiotic surfaces. The benefits that bacteria can gain from living in a biofilm, i.e., protection from environmental factors and tolerance to biocides, have been linked to the biofilm structure. Different L. monocytogenes strains build biofilms with diverse structures, and the underlying mechanisms for that diversity are not yet fully known. This work combines quantitative image analysis, cell counts, nutrient uptake data and mathematical modeling to provide a mechanistic insight into the dynamics of the structure of biofilms formed by L...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29162758/public-health-challenges-for-the-21st-century-convergence-of-demography-economics-environment-and-biology-nalanda-distinguished-lecture
#6
K M Venkat Narayan
The rapidly changing and interdependent world under the mega-force of globalization presents unique challenges and opportunities for public health. Focusing on the example of type 2 diabetes, I argue that an appreciation for the evolution of demographic and economic contexts is essential to appropriately address today's dynamic and complex health challenges. For the vast majority of the past 2000 years, India and China were the world's largest economies until the rise of western European nations in the 18th century and later the USA...
July 2017: National Medical Journal of India
https://www.readbyqxmd.com/read/29145178/minor-hemisphere-major-syndromes
#7
Antonio Carota, Julien Bogousslavsky
A right "minor hemisphere" does not exist as the right hemisphere is dominant for awareness (nosognosia), spatial attention, emotional regulation, facial and voice expressions, visual recognition, and topographical orientation. Without the right hemisphere, the world would be flat, deprived of general and spatial attentions, pointing preferentially to the right side of the space, lacking visual experiences and emotions, exhibiting diminished awareness of the self and environment. Clinical-related syndromes of the right hemisphere are unilateral spatial neglect, object and face visual agnosia, the anosognosia for hemiparesis and/or hemianopia, misidentification syndromes, mania, and other obsessions for the food and the body...
2018: Frontiers of Neurology and Neuroscience
https://www.readbyqxmd.com/read/29119322/studies-on-the-scale-up-of-biomass-production-with-scenedesmus-spp-in-flat-plate-gas-lift-photobioreactors
#8
Anja Pia Koller, Lara Wolf, Thomas Brück, Dirk Weuster-Botz
Microalgae are flagged as next-generation biomass feedstock for sustainable chemicals and fuels, because they actively metabolize the climate gas CO2, do not impact food production, and are not associated with land-use change. Scaling microalgae cultivation processes from lab to pilot scale is key to assessing their economic and ecologic viability. In this work, process performances of two different Scenedesmus species were studied using a 300 L flat-plate gas-lift photobioreactor system (14 m(2) photosynthetically active area) equipped with a customized, broad-spectrum LED illumination system...
November 8, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/29105723/new-horizons-in-microbiological-food-safety-photodynamic-decontamination-based-on-a-curcumin-derivative
#9
Michael Glueck, Barbara Schamberger, Peter Eckl, Kristjan Plaetzer
Outbreaks of foodborne diseases are regularly reported worldwide. In particular, uncooked plant food is considered risky in terms of microbiological safety. Food is also the most important transmission route for resistant microorganisms from animals to humans. Photodynamic Decontamination (PDc) of foodstuff was recently introduced as a novel approach for increasing microbiological food safety. We investigated the efficiency of PDc on plant food with different geometries (flat, spherical and complex) using a two-dimensional LED array as a light source (435 nm, 33...
November 6, 2017: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/29065799/fitting-tissue-chips-and-microphysiological-systems-into-the-grand-scheme-of-medicine-biology-pharmacology-and-toxicology
#10
David E Watson, Rosemarie Hunziker, John P Wikswo
Microphysiological systems (MPS), which include engineered organoids (EOs), single organ/tissue chips (TCs), and multiple organs interconnected to create miniature in vitro models of human physiological systems, are rapidly becoming effective tools for drug development and the mechanistic understanding of tissue physiology and pathophysiology. The second MPS thematic issue of Experimental Biology and Medicine comprises 15 articles by scientists and engineers from the National Institutes of Health, the IQ Consortium, the Food and Drug Administration, and Environmental Protection Agency, an MPS company, and academia...
October 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28985624/modal-analysis-and-nonlinear-characterization-of-an-airborne-power-ultrasonic-transducer-with-rectangular-plate-radiator
#11
R R Andrés, V M Acosta, M Lucas, E Riera
Some industrial processes like particle agglomeration or food dehydration among others can be enhanced by the use of power ultrasonic technologies. These technologies are based on an airborne power ultrasonic transducer (APUT) constituted by a pre-stressed Langevin-type transducer, a mechanical amplifier and an extensive plate radiator. In order to produce the desired effects in industrial processing, the transducer has to vibrate in an extensional mode driving an extensive radiator in the desired flexural mode with high amplitude displacements...
January 2018: Ultrasonics
https://www.readbyqxmd.com/read/28961002/thermodynamic-investigation-of-the-effect-of-interface-curvature-on-the-solid-liquid-equilibrium-and-eutectic-point-of-binary-mixtures
#12
Fanghui Liu, Leila Zargarzadeh, Hyun-Joong Chung, Janet A W Elliott
Thermodynamic phase behavior is affected by curved interfaces in micro- and nanoscale systems. For example, capillary freezing point depression is associated with the pressure difference between the solid and liquid phases caused by interface curvature. In this study, the thermal, mechanical, and chemical equilibrium conditions are derived for binary solid-liquid equilibrium with a curved solid-liquid interface due to confinement in a capillary. This derivation shows the equivalence of the most general forms of the Gibbs-Thomson and Ostwald-Freundlich equations...
September 29, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28931721/neuropeptidergic-integration-of-behavior-in-trichoplax-adhaerens-an-animal-without-synapses
#13
Adriano Senatore, Thomas S Reese, Carolyn L Smith
Trichoplax adhaerens is a flat, millimeter-sized marine animal that adheres to surfaces and grazes on algae. Trichoplax displays a repertoire of different feeding behaviors despite the apparent absence of a true nervous system with electrical or chemical synapses. It glides along surfaces to find food, propelled by beating cilia on cells at its ventral surface, and pauses during feeding by arresting ciliary beating. We found that when endomorphin-like peptides are applied to an animal, ciliary beating is arrested, mimicking natural feeding pauses...
September 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28772849/gallic-acid-as-an-oxygen-scavenger-in-bio-based-multilayer-packaging-films
#14
Astrid F Pant, Sven Sängerlaub, Kajetan Müller
Oxygen scavengers are used in food packaging to protect oxygen-sensitive food products. A mixture of gallic acid (GA) and sodium carbonate was used as an oxygen scavenger (OSc) in bio-based multilayer packaging films produced in a three-step process: compounding, flat film extrusion, and lamination. We investigated the film surface color as well as oxygen absorption at different relative humidities (RHs) and temperatures, and compared the oxygen absorption of OSc powder, monolayer films, and multilayer films...
May 3, 2017: Materials
https://www.readbyqxmd.com/read/28761835/evaluation-of-vitamin-d3-and-d2-stability-in-fortified-flat-bread-samples-during-dough-fermentation-baking-and-storage
#15
Mehrnaz Tabibian, Mohammadali Torbati, Mohammad Reza Afshar Mogaddam, Maryam Mirlohi, Malihe Sadeghi, Javad Mohtadinia
Purpose: Vitamin D, a fat-soluble secosteroid, has a significant role in bone metabolism and helps calcium absorption in the body. Since vitamin D concentration is altered in fortified foods and dietary supplements, the actual amount of vitamin D may differ from the label value. Methods: In this study, the concentrations of vitamin D2 and D3 of fortified bread sample were analytically determined. For this purpose, dough or homogenized bread sample was saponified using potassium hydroxide solution (30%, w/v) at 80°C, and the saponified analytes were extracted into n-heptane followed by liquid-liquid extraction...
June 2017: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28754075/oval-housing-for-the-st-jude-medical-bileaflet-mechanical-heart-valve
#16
Hadi Mohammadi, Guy Fradet
The St. Jude Medical bileaflet mechanical heart valve was approved by the Food and Drug Administration in late 1970s. The basic idea for the design of the valve is simply two semicircular flat plates pivoting on hinges. The overall performance of St. Jude Medical valves such as blood flow being central, the leaflets opening completely, and the pressure drop across the valve being trivial is satisfactory. St. Jude Medical valves provide an improved hemodynamics compared to the other mechanical heart valve models; however, their non-physiological hemodynamics which may lead to red blood cells lysis and thrombogenicity still remains a major issue...
July 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28715504/megalosauripus-transjuranicus-ichnosp-nov-a-new-late-jurassic-theropod-ichnotaxon-from-nw-switzerland-and-implications-for-tridactyl-dinosaur-ichnology-and-ichnotaxomy
#17
Novella L Razzolini, Matteo Belvedere, Daniel Marty, Géraldine Paratte, Christel Lovis, Marielle Cattin, Christian A Meyer
A new ichnospecies of a large theropod dinosaur, Megalosauripus transjuranicus, is described from the Reuchenette Formation (Early-Late Kimmeridgian, Late Jurassic) of NW Switzerland. It is based on very well-preserved and morphologically-distinct tracks (impressions) and several trackways, including different preservational types from different tracksites and horizons. All trackways were excavated along federal Highway A16 near Courtedoux (Canton Jura) and systematically documented in the field including orthophotos and laserscans...
2017: PloS One
https://www.readbyqxmd.com/read/28708078/spatial-variation-of-soil-organic-carbon-and-total-nitrogen-in-the-coastal-area-of-mid-eastern-china
#18
Yan Xu, Lijie Pu, Qilin Liao, Ming Zhu, Xue Yu, Tianying Mao, Chenxing Xu
Soils play an important role in sequestrating atmospheric CO₂. Coastal tidal flats have been intensively reclaimed for food security and living spaces worldwide. We aimed to identify the changes of soil organic carbon (SOC) and total nitrogen (TN) following coastal reclamation and their spatial variation in the coastal area of mid-Eastern China to provide information for coastal cropland management. We measured SOC and TN of 463 soil samples in the coastal plain of mid-Eastern China. The results showed that SOC and TN increased highly from the uncultivated coastal tidal flat (2...
July 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28691672/ingestion-of-foreign-bodies-among-prisoners-a-ten-years-retrospective-study-at-university-hospital-of-southern-italy
#19
A Volpi, R Laforgia, C Lozito, A Panebianco, C Punzo, P Ialongo, G Carbotta, M G Sederino, M Minafra, A Paterno, N Palasciano
INTRODUCTION: We studied 21 episodes of ingestion of foreign bodies (IFO) among 15 prisoners. PATIENTS AND METHODS: Rectrospective research in pts admitted to emergency from June 2005 to May 2105. Ingestion, management and pts outcome were analyzed. Prisoners with previous esophagogastroduodenal disease were excluded. RESULTS: All pts were males and ingestions were intentional. Esophagogastroduoduenoscopy (EGDS) was performed in 10pts (8 cases with successful removal, 1 case we did not find anything e 1 of unsuccessful EGDS, that required emergency surgey...
March 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28679077/occurrence-of-imidacloprid-carbendazim-and-other-biocides-in-italian-house-dust-potential-relevance-for-intakes-in-children-and-pets
#20
Severyn Salis, Cecilia Testa, Paola Roncada, Sara Armorini, Nicola Rubattu, Angelo Ferrari, Roberto Miniero, Gianfranco Brambilla
The occurrence of pesticides intended for non-agricultural use was investigated in 206 dust samples drawn from vacuum-cleaner bags from residential flats in Italy. The multi-residue analysis targeted on 95 different active principles was performed with UPLC-MS/MS, with a Limit of Quantification (LOQ) of 0.008 μg/g dry weight. The results indicated the presence of imidacloprid (IMI) and carbendazim (CARB) in 30% and 26% of the samples, with a mean and P95 concentration between 1.6 and 39 and between 0.08 and 4...
September 2, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
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