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https://www.readbyqxmd.com/read/28432566/four-new-species-of-dactylogyrus-diesing-1850-monogenea-dactylogyridae-parasitising-the-gills-of-northern-moroccan-luciobarbus-heckel-cyprinidae-morphological-and-molecular-characterisation
#1
Imane Rahmouni, Eva Řehulková, Antoine Pariselle, Ouafae Berrada Rkhami, Andrea Šimková
Four new species of Dactylogyrus Diesing, 1850 are described from the gills of three species of Luciobarbus Heckel collected from various hydrographical basins in northern Morocco: Dactylogyrus scorpius n. sp. from Luciobarbus rifensis Doadrio, Casal-Lopez & Yahyaoui; D. benhoussai n. sp. from L. moulouyensis Pellegrin; and D. varius n. sp. and D. falsiphallus n. sp. from L. maghrebensis Doadrio, Perea & Yahyaoui. The descriptions of the new species are confirmed by molecular data (partial 18S rDNA, ITS1, and partial 28S rDNA sequences)...
April 21, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28432384/the-probability-of-object-scene-co-occurrence-influences-object-identification-processes
#2
Geneviève Sauvé, Mariane Harmand, Léa Vanni, Mathieu B Brodeur
Contextual information allows the human brain to make predictions about the identity of objects that might be seen and irregularities between an object and its background slow down perception and identification processes. Bar and colleagues modeled the mechanisms underlying this beneficial effect suggesting that the brain stocks information about the statistical regularities of object and scene co-occurrence. Their model suggests that these recurring regularities could be conceptualized along a continuum in which the probability of seeing an object within a given scene can be high (probable condition), moderate (improbable condition) or null (impossible condition)...
April 21, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28431432/contrast-sensitivity-and-lateral-inhibition-are-enhanced-with-macular-carotenoid-supplementation
#3
James M Stringham, Kevin J O'Brien, Nicole T Stringham
Purpose: Once deposited in the retina, the so-called macular carotenoids lutein (L), zeaxanthin (Z), and mesozeaxanthin (MZ) have been shown to enhance visual performance. The purpose of our study was to investigate whether increasing macular pigment optical density (MPOD) could enhance lateral inhibitory processes, and thereby improve contrast sensitivity (CS). Methods: A total of 59 young (18-25 years), healthy individuals participated in this 1-year, double-masked, placebo-controlled study...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28428617/deterministic-spin-orbit-torque-induced-magnetization-reversal-in-pt-co-ni-n-co-ta-multilayer-hall-bars
#4
Sihua Li, Sarjoosing Goolaup, Jaesuk Kwon, Feilong Luo, Weiliang Gan, Wen Siang Lew
Spin-orbit torque (SOT) induced by electric current has attracted extensive attention as an efficient method of controlling the magnetization in nanomagnetic structures. SOT-induced magnetization reversal is usually achieved with the aid of an in-plane bias magnetic field. In this paper, we show that by selecting a film stack with weak out-of-plane magnetic anisotropy, field-free SOT-induced switching can be achieved in micron sized multilayers. Using direct current, deterministic bipolar magnetization reversal is obtained in Pt/[Co/Ni]2/Co/Ta structures...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28428540/temporal-dynamics-of-saccades-explained-by-a-self-paced-process
#5
Roy Amit, Dekel Abeles, Izhar Bar-Gad, Shlomit Yuval-Greenberg
Sensory organs are thought to sample the environment rhythmically thereby providing periodic perceptual input. Whisking and sniffing are governed by oscillators which impose rhythms on the motor-control of sensory acquisition and consequently on sensory input. Saccadic eye movements are the main visual sampling mechanism in primates, and were suggested to constitute part of such a rhythmic exploration system. In this study we characterized saccadic rhythmicity, and examined whether it is consistent with autonomous oscillatory generator or with self-paced generation...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28427437/efficacy-and-user-acceptability-of-transfluthrin-treated-sisal-and-hessian-decorations-for-protecting-against-mosquito-bites-in-outdoor-bars
#6
John P Masalu, Marceline Finda, Fredros O Okumu, Elihaika G Minja, Arnold S Mmbando, Maggy T Sikulu-Lord, Sheila B Ogoma
BACKGROUND: A number of mosquito vectors bite and rest outdoors, which contributes to sustained residual malaria transmission in endemic areas. Spatial repellents are thought to create a protective "bubble" within which mosquito bites are reduced and may be ideal for outdoor use. This study builds on previous studies that proved efficacy of transfluthrin-treated hessian strips against outdoor biting mosquitoes. The goal of this study was to modify strips into practical, attractive and acceptable transfluthrin treated sisal and hessian emanators that confer protection against potential infectious bites before people use bed nets especially in the early evening and outdoors...
April 20, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28426514/comparison-of-the-hang-high-pull-and-loaded-jump-squat-for-the-development-of-vertical-jump-and-isometric-force-time-characteristics
#7
Dustin J Oranchuk, Tracey L Robinson, Zachary J Switaj, Eric J Drinkwater
Weightlifting movements have high skill demands and require expert coaching. Loaded jumps have a comparably lower skill demand, but may be similarly effective for improving explosive performance. The purpose of this study was to compare vertical jump performance, isometric force, and rate of force development (RFD) following a ten-week intervention employing the hang high-pull (hang-pull) or trap-bar jump squat (jump-squat). Eighteen NCAA Division II swimmers (8 males, 10 females) with at least one year of resistance training experience volunteered to participate...
April 15, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28426305/us-public-opinion-on-carrying-firearms-in-public-places
#8
Julia A Wolfson, Stephen P Teret, Deborah Azrael, Matthew Miller
OBJECTIVES: To estimate US public opinion, overall and by gun ownership status, about the public places where legal gun owners should be allowed to carry firearms. METHODS: We fielded an online survey among 3949 adults, including an oversample of gun owners and veterans, in April 2015. We used cross-tabulations with survey weights to generate nationally representative estimates. RESULTS: Fewer than 1 in 3 US adults supported gun carrying in any of the specified venues...
April 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28426194/development-of-a-porous-coordination-polymer-with-a-high-gas-capacity-using-a-thiophene-based-bent-tetracarboxylate-ligand
#9
Fei Wang, Shinpei Kusaka, Yuh Hijikata, Nobuhiko Hosono, Susumu Kitagawa
A new porous coordination polymer (PCP) based on a ligand with a unique bent angle bearing a thiophene-bridged bent carboxylate ligand and the Cu(2+) ion was synthesized and structurally characterized. The structure has a pillared-layer framework based on a kagomé-like layer with aromatic partition groups. It exhibits a high CO2 uptake of 180 mL(STP)/g at 1 bar, and 400 mL(STP)/g at 30 bar at 273 K. The uptakes of C2H2 and C2H4 reach 164 and 160 mL(STP)/g at 298 K and 1 bar, with good selectivity of C2H2 and C2H4 over CH4, both of which are among the highest levels of reported PCPs...
April 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28425898/compliance-with-school-nutrition-policies-in-ontario-and-alberta-an-assessment-of-secondary-school-vending-machine-data-from-the-compass-study
#10
Michelle M Vine, Daniel W Harrington, Alexandra Butler, Karen Patte, Katelyn Godin, Scott T Leatherdale
OBJECTIVES: We investigated the extent to which a sample of Ontario and Alberta secondary schools are being compliant with their respective provincial nutrition policies, in terms of the food and beverages sold in vending machines. METHODS: This observational study used objective data on drinks and snacks from vending machines, collected over three years of the COMPASS study (2012/2013-2014/2015 school years). Drink (e.g., sugar-containing carbonated/non-carbonated soft drinks, sports drinks, etc...
April 20, 2017: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
https://www.readbyqxmd.com/read/28425692/antitrust-law-hospital-mergers-third-circuit-clarifies-geographic-market-definition-and-raises-bar-for-efficiencies-defense
#11
(no author information available yet)
No abstract text is available yet for this article.
April 2017: Harvard Law Review
https://www.readbyqxmd.com/read/28425462/role-of-chiral-quantum-hall-edge-states-in-nuclear-spin-polarization
#12
Kaifeng Yang, Katsumi Nagase, Yoshiro Hirayama, Tetsuya D Mishima, Michael B Santos, Hongwu Liu
Resistively detected NMR (RDNMR) based on dynamic nuclear polarization (DNP) in a quantum Hall ferromagnet (QHF) is a highly sensitive method for the discovery of fascinating quantum Hall phases; however, the mechanism of this DNP and, in particular, the role of quantum Hall edge states in it are unclear. Here we demonstrate the important but previously unrecognized effect of chiral edge modes on the nuclear spin polarization. A side-by-side comparison of the RDNMR signals from Hall bar and Corbino disk configurations allows us to distinguish the contributions of bulk and edge states to DNP in QHF...
April 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28424614/relationship-between-cognitive-and-sleep-wake-variables-in-asymptomatic-offspring-of-patients-with-late-onset-alzheimer-s-disease
#13
Carolina Abulafia, Bárbara Duarte-Abritta, Mirta F Villarreal, María S Ladrón-de-Guevara, Celeste García, Geraldine Sequeyra, Gustavo Sevlever, Leticia Fiorentini, Karl-Jürgen Bär, Deborah R Gustafson, Daniel E Vigo, Salvador M Guinjoan
Early neuropathological changes characteristic of late-onset Alzheimer's disease (LOAD) involve brain stem and limbic structures that regulate neurovegetative functions, including sleep-wake rhythm. Indeed, sleep pattern is an emerging biomarker and a potential pathophysiological mechanism in LOAD. We hypothesized that cognitively asymptomatic, middle-aged offspring of patients with LOAD (O-LOAD) would display a series of circadian rhythm abnormalities prior to the onset of objective cognitive alterations. We tested 31 children of patients with LOAD (O-LOAD) and 19 healthy individuals without family history of Alzheimer's disease (control subjects, CS) with basic tests of cognitive function, as well as actigraphy measures of sleep-wake rhythm, cardiac autonomic function, and bodily temperature...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28424192/sodium-sugar-and-fat-content-of-complementary-infant-and-toddler-foods-sold-in-the-united-states-2015
#14
Joyce Maalouf, Mary E Cogswell, Marlana Bates, Keming Yuan, Kelley S Scanlon, Pamela Pehrsson, Janelle P Gunn, Robert K Merritt
Background: As part of a healthy diet, limiting intakes of excess sodium, added sugars, saturated fat, and trans fat has been recommended. The American Heart Association recommends that children aged <2 y should avoid added sugars.Objective: We sought to determine commercial complementary infant-toddler food categories that were of potential concern because of the sodium, added sugar, saturated fat, or trans fat content.Design: Nutrition label information (e.g., serving size, sodium, saturated fat, trans fat) for 1032 infant and toddler foods was collected from manufacturers' websites and stores from May to July 2015 for 24 brands, which accounted for >95% of infant-toddler food sales...
April 19, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28423968/penetrating-brain-injury-with-a-metal-bar-and-a-knife-report-of-two-interesting-cases
#15
Alireza Tabibkhooei, Morteza Taheri, Sadra Rohani, Iran Chanideh, Hessam Rahatlou
Introduction Penetrating brain injury (PBI) is uncommon among the civilian population. Here, we report two interesting cases of PBI. Case presentation The first patient was a 20-year-old male who sustained a penetrating head injury with a metal bar during an accident at work. The patient underwent early surgical intervention, and related meningitis was treated with antibiotics. The patient was discharged 45 days later with no deficit. The second patient was a 34-year-old male who was the victim of a violence attack and was admitted to hospital...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28422966/taming-the-late-quaternary-phylogeography-of-the-eurasiatic-wild-ass-through-ancient-and-modern-dna
#16
E Andrew Bennett, Sophie Champlot, Joris Peters, Benjamin S Arbuckle, Silvia Guimaraes, Mélanie Pruvost, Shirli Bar-David, Simon J M Davis, Mathieu Gautier, Petra Kaczensky, Ralph Kuehn, Marjan Mashkour, Arturo Morales-Muñiz, Erich Pucher, Jean-François Tournepiche, Hans-Peter Uerpmann, Adrian Bălăşescu, Mietje Germonpré, Can Y Gündem, Mahmoud-Reza Hemami, Pierre-Elie Moullé, Aliye Ötzan, Margarete Uerpmann, Chris Walzer, Thierry Grange, Eva-Maria Geigl
Taxonomic over-splitting of extinct or endangered taxa, due to an incomplete knowledge of both skeletal morphological variability and the geographical ranges of past populations, continues to confuse the link between isolated extant populations and their ancestors. This is particularly problematic with the genus Equus. To more reliably determine the evolution and phylogeographic history of the endangered Asiatic wild ass, we studied the genetic diversity and inter-relationships of both extinct and extant populations over the last 100,000 years, including samples throughout its previous range from Western Europe to Southwest and East Asia...
2017: PloS One
https://www.readbyqxmd.com/read/28422367/microtensile-bond-strength-of-a-resin-cement-to-silica-based-and-y-tzp-ceramics-using-different-surface-treatments
#17
Alireza Keshvad, Seyed Mohammad Reza Hakimaneh
PURPOSE: To evaluate the effects of different surface treatments on the microtensile bond strength (μTBS) of bonding between resin cement and lithia or zirconia-based ceramics using an in vitro study. MATERIALS AND METHODS: Three zirconia ceramic blocks (IPS e.max ZirCAD) and three lithium disilicate ceramic blocks (IPS e.max CAD) were sintered and duplicated in resin composite. The zirconia specimens underwent various treatments (n = 1): (i) Sandblast + primer (ZiSa); (ii) sandblast + laser irradiation + primer (ZiSaLa); or (iii) laser irradiation + primer (ZiLa)...
April 19, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28422352/places-and-social-contexts-associated-with-simultaneous-use-of-alcohol-tobacco-and-marijuana-among-young-adults
#18
Sharon Lipperman-Kreda, Mallie J Paschall, Saltz Robert F, Christopher N Morrison
INTRODUCTION AND AIMS: Little is known about social-ecological correlates of simultaneous use of alcohol with other substances. This study examined places and social contexts associated with simultaneous use of alcohol, tobacco and marijuana among young adults. DESIGN AND METHODS: We used survey data obtained from 1538 young adult recent alcohol drinkers (49% male; 18-30 years old) in 24 non-contiguous cities in California. Event-level measures included alcohol, tobacco and marijuana use, drinking places and social characteristics of the event...
April 19, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28422323/validating-a-virtual-environment-for-sexual-assault-victims
#19
Claudie Loranger, Stéphane Bouchard
Virtual reality has shown promising results in the treatment of posttraumatic stress disorder (PTSD) for some traumatic experiences, but sexual assault has been understudied. One important question to address is the relevance and safety of a virtual environment (VE) allowing patients to be progressively exposed to a sexual assault scenario. The aim of this study was to validate such a VE. Thirty women (victims and nonvictims of sexual assault) were randomly assigned in a counter-balanced order to 2 immersions in a virtual bar: a control scenario where the encounter with the aggressor does not lead to sexual assault and an experimental scenario where the participant is assaulted...
April 19, 2017: Journal of Traumatic Stress
https://www.readbyqxmd.com/read/28421668/effects-of-stoichiometry-on-the-h2-storage-properties-of-mg-nh2-2-lih-libh4-tri-component-system
#20
Han Wang, Hujun Cao, Claudio Pistidda, Sebastiano Garroni, Guotao Wu, Thomas Klassen, Martin Dorheim, Ping Chen
Hydrogen desorption pathways and storage properties of 2Mg(NH2)2-3LiH-xLiBH4 samples (x = 0, 1, 2 and 4) were investigated systematically by combination of Pressure-Composition-Isotherm (PCI), Differential scanning calorimetric (DSC) and volumetric release methods. Experimental results show that the desorption peak temperatures of 2Mg(NH2)2-3LiH-xLiBH4 samples are ca. 10-15 oC lower compared to that of 2Mg(NH2)2-3LiH. Especially the 2Mg(NH2)2-3LiH-4LiBH4 composite begins to release hydrogen at 90 oC, exhibiting a superior dehydrogenation performance...
April 18, 2017: Chemistry, An Asian Journal
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