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https://www.readbyqxmd.com/read/28526064/seasonal-variation-in-the-prevalence-of-toxocara-eggs-on-children-s-playgrounds-in-the-city-of-hanover-germany
#1
Annika Kleine, Andrea Springer, Christina Strube
BACKGROUND: Roundworms of the genus Toxocara are worldwide distributed zoonotic parasites of carnivores. Based on case numbers and the potential impact on human health, the Centers for Disease Control and Prevention (CDC) categorised toxocarosis as one of the most important neglected parasitic diseases. As contact with contaminated soil, e.g. in sandpits, is considered the primary transmission route, data on playground contamination are needed to assess infection risk for children. Here, playground contamination rates and their seasonal variation in the city of Hanover, Germany, were investigated...
May 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28521596/overcoming-the-current-issues-surrounding-device-leads-reducing-the-complications-during-extraction
#2
Maria Grazia Bongiorni, Luca Segreti, Andrea Di Cori, Giulio Zucchelli, Luca Paperini, Stefano Viani, Ezio Soldati
The implantation rate of of Cardiac implantable Elecrtonical Devices has consistently increased in the last 20 years, so as related complication rates. According, devices infections and malfunctions required the development of appropriate strategies. The most relevant issue is the removal of pacing and ICD leads, which, few months after implantation, tend to develop intravascular fibrosis, often making extraction a challenging and risky procedure. Areas Covered: TLE scenario is constantly evolving. Transvenous lead extraction (TLE) is a key procedure in lead management strategies...
May 18, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28511682/inequities-in-coverage-of-smokefree-space-policies-within-the-united-states
#3
Christopher Lowrie, Amber L Pearson, George Thomson
BACKGROUND: Previous studies have found extensive geographic and demographic differences in tobacco use. These differences have been found to be reduced by effective public policies, including banning smoking in public spaces. Smokefree indoor and outdoor spaces reduce secondhand smoke exposure and denormalize smoking. METHODS: We evaluated regional and demographic differences in the proportion of the population covered by smokefree policies enacted in the United States prior to 2014, for both adults and children...
May 16, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28509887/predictors-of-segmented-school-day-physical-activity-and-sedentary-time-in-children-from-a-northwest-england-low-income-community
#4
Sarah L Taylor, Whitney B Curry, Zoe R Knowles, Robert J Noonan, Bronagh McGrane, Stuart J Fairclough
Schools have been identified as important settings for health promotion through physical activity participation, particularly as children are insufficiently active for health. The aim of this study was to investigate the child and school-level influences on children's physical activity levels and sedentary time during school hours in a sample of children from a low-income community; Methods: One hundred and eighty-six children (110 boys) aged 9-10 years wore accelerometers for 7 days, with 169 meeting the inclusion criteria of 16 h∙day(-1) for a minimum of three week days...
May 16, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28493060/synthetic-turf-fields-crumb-rubber-and-alleged-cancer-risk
#5
Archie Bleyer
Most synthetic turf fields have crumb rubber interspersed among the simulated grass fibers to reduce athletic injuries by allowing users to turn and slide more readily as they play sports or exercise on the fields. Recently, the crumbs have been implicated in causing cancer in adolescents and young adults who use the fields, particularly lymphoma and primarily in soccer goalkeepers. This concern has led to the initiation of large-scale studies by local and federal governments that are expected to take years to complete...
May 11, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28491197/traumatic-rupture-of-a-giant-congenital-splenic-cyst-presenting-as-peritonitis
#6
Alexander Tassopoulos, Melissa Wein, Annette Segura
Splenic cysts are uncommon, with large cysts and complications being rare. We describe a 6-year-old patient who initially presented 1 day after falling onto her abdomen at the playground with worsening abdominal pain and distention. An ultrasound of the abdomen demonstrated free abdominal fluid in all four quadrants. A subsequent contrast-enhanced computed tomography scan of the abdomen and pelvis was performed which showed a large splenic cyst with open communication to the peritoneal cavity. A congenital primary cyst was confirmed on pathology after partial splenectomy was performed...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28467459/gap-crossing-behavior-in-a-standardized-and-a-nonstandardized-jumping-stone-configuration
#7
Karlijn Sporrel, Simone R Caljouw, Rob Withagen
Over the last years, the omnipresent standardization of playgrounds-the distances between, for example, jumping stones tend to be equal-has been criticized by both scientists and architects. First, it has been argued that standardization fails to do justice to the variability in the children's action capabilities. Second, it might simplify play in that children repetitively cross over the same distance and, thus, do not have to worry about their movements anymore. In the present study we examined the gap-crossing behavior of children in both a standardized and a nonstandardized jumping stone configuration...
2017: PloS One
https://www.readbyqxmd.com/read/28467110/examining-sociodemographic-differences-in-playground-availability-and-quality-and-associations-with-childhood-obesity
#8
Shea M McCarthy, S Morgan Hughey, Andrew T Kaczynski
BACKGROUND: Parks and playgrounds are important environmental components for promoting healthy weight among children. The purposes of this study were to examine disparities in access to playgrounds and playground quality by multiple sociodemographic characteristics and the association of playground access and quality with youth weight status. METHODS: Objectively measured height and weight were collected for all third to fifth grade youth (n = 13,469) in a southeastern US County...
May 3, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/28459527/molecular-dynamics-insights-into-water-parylene-c-interface-relevance-of-oxygen-plasma-treatment-for-biocompatibility
#9
Monika Golda-Cepa, Waldemar Kulig, Lukasz Cwiklik, Andrzej Kotarba
Solid-water interfaces play a vital role in biomaterials science because they provide a natural playground for most biochemical reactions and physiological processes. In the study, fully atomistic molecular dynamics simulations were performed to investigate interactions between water molecules and several surfaces modeling for unmodified and modified parylene C surfaces. The introduction of -OH, -CHO, and -COOH to the surface and alterations in their coverage significantly influence the energetics of interactions between water molecules and the polymer surface...
May 5, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28431680/two-paradigms-for-religious-representation-the-physicist-and-the-playground-a-reply-to-levy
#10
Neil Van Leeuwen
In an earlier issue, I argue (2014) that psychology and epistemology should distinguish religious credence from factual belief. These are distinct cognitive attitudes. Levy (2017) rejects this distinction, arguing that both religious and factual "beliefs" are subject to "shifting" on the basis of fluency and "intuitiveness." Levy's theory, however, (1) is out of keeping with much research in cognitive science of religion and (2) misrepresents the notion of factual belief employed in my theory. So his claims don't undermine my distinction...
July 2017: Cognition
https://www.readbyqxmd.com/read/28387566/energy-expenditure-in-playground-games-in-primary-school-children-measured-by-accelerometer-and-heart-rate-monitors
#11
Jorge Cañete García-Prieto, Vicente Martinez-Vizcaino, Antonio García-Hermoso, Mairena Sánchez-López, Natalia Arias-Palencia, Juan Fernando Ortega Fonseca, Ricardo Mora-Rodriguez
The aim of this study was to examine the energy expenditure (EE) measured using indirect calorimetry (IC) during playground games and to assess the validity of heart rate (HR) and accelerometry counts as indirect indicators of EE in children´s physical activity games. 32 primary school children (9.9 ± 0.6 years old, 19.8 ± 4.9 kg · m(-2) BMI and 37.6 ± 7.2 mL · kg(-1) · min(-1) VO2max). Indirect calorimetry (IC), accelerometry and HR data were simultaneously collected for each child during a 90 min session of 30 playground games...
April 7, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28382669/effectiveness-of-a-playground-intervention-for-antisocial-prosocial-and-physical-activity-behaviors
#12
Carlene A Mayfield, Stephanie Child, Robert G Weaver, Nicole Zarrett, Michael W Beets, Justin B Moore
BACKGROUND: We examined the effectiveness of Peaceful Playgrounds™ (P2) to decrease antisocial behaviors (ASB) while increasing physical activity (PA) and prosocial behaviors (PSB) in elementary school children. METHODS: A longitudinal, cluster-randomized design was employed in 4 elementary school playgrounds where students (third to fifth) from 2 intervention and 2 control schools were observed during recess periods. The intervention included environmental changes (eg, marked surfaces) and student education...
May 2017: Journal of School Health
https://www.readbyqxmd.com/read/28365828/health-integrity-and-doping-in-sports-for-children-and-young-adults-a-resolution-of-the-european-academy-of-paediatrics
#13
Francis P Crawley, Peter Hoyer, Artur Mazur, Liesbeth Siderius, Stefan Grosek, Tom Stiris, David Neubauer
The European Academy of Paediatrics (EAP) is dedicated to promoting healthy lifestyles for children from birth into young adulthood. Physical exercise and leisure are essential to the development of healthy bodies, strong minds, and social skills. All children, without regard to their physical or mental capacities, should be provided with the time, the leadership, the facilities, and the equipment needed to exercise through sports while enjoying playing, even competing, in an environment appropriate to their capacities and aspirations...
April 1, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28361187/polycyclic-aromatic-hydrocarbons-pahs-in-exposed-lawn-soils-from-28-urban-parks-in-the-megacity-guangzhou-occurrence-sources-and-human-health-implications
#14
Chang-Liang Ke, Yang-Guang Gu, Qi Liu
Polycyclic aromatic hydrocarbons (PAHs) in urban soils may pose a serious threat to human health via oral ingestion, dermal absorption, and particulate inhalation, especially in public parks and playgrounds, with children and senior citizens showing the highest susceptibility. Several studies have been undertaken identifying PAHs in urban soils, but no studies to date have assessed PAHs in urban parks, in particular in exposed-lawn soils. In recent decades, unprecedented rates of urbanization and industrialization in China have resulted in significant levels of urban environmental pollution...
May 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28359396/patterns-and-correlates-of-physical-activity-in-adolescents-in-dhaka-city-bangladesh
#15
A Khan, N W Burton, S G Trost
OBJECTIVES: Despite the widely acknowledged public health importance of physical activity (PA), few studies have examined levels of PA in Bangladesh. The purpose of this study was to investigate the patterns and correlates of PA in adolescents in Bangladesh. STUDY DESIGN: Cross-sectional survey. METHODS: A total of 798 students, aged 13-17 years; 48% girls, from eight purposively selected secondary schools in Dhaka city, Bangladesh completed a self-administered questionnaire including the 3-Day PA Recall...
April 2017: Public Health
https://www.readbyqxmd.com/read/28338128/metal-organic-and-covalent-organic-frameworks-as-single-site-catalysts
#16
REVIEW
S M J Rogge, A Bavykina, J Hajek, H Garcia, A I Olivos-Suarez, A Sepúlveda-Escribano, A Vimont, G Clet, P Bazin, F Kapteijn, M Daturi, E V Ramos-Fernandez, F X Llabrés I Xamena, V Van Speybroeck, J Gascon
Heterogeneous single-site catalysts consist of isolated, well-defined, active sites that are spatially separated in a given solid and, ideally, structurally identical. In this review, the potential of metal-organic frameworks (MOFs) and covalent organic frameworks (COFs) as platforms for the development of heterogeneous single-site catalysts is reviewed thoroughly. In the first part of this article, synthetic strategies and progress in the implementation of such sites in these two classes of materials are discussed...
March 24, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28306288/experimental-observation-of-anisotropic-adler-bell-jackiw-anomaly-in-type-ii-weyl-semimetal-wte_-1-98-crystals-at-the-quasiclassical-regime
#17
Yang-Yang Lv, Xiao Li, Bin-Bin Zhang, W Y Deng, Shu-Hua Yao, Y B Chen, Jian Zhou, Shan-Tao Zhang, Ming-Hui Lu, Lei Zhang, Mingliang Tian, L Sheng, Yan-Feng Chen
The asymmetric electron dispersion in type-II Weyl semimetal theoretically hosts anisotropic transport properties. Here, we observe the significant anisotropic Adler-Bell-Jackiw (ABJ) anomaly in the Fermi-level delicately adjusted WTe_{1.98} crystals. Quantitatively, C_{W}, a coefficient representing the intensity of the ABJ anomaly along the a and b axis of WTe_{1.98} are 0.030 and 0.051  T^{-2} at 2 K, respectively. We found that the temperature-sensitive ABJ anomaly is attributed to a topological phase transition from a type-II Weyl semimetal to a trivial semimetal, which is verified by a first-principles calculation using experimentally determined lattice parameters at different temperatures...
March 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28298126/magnetic-gaps-in-organic-tri-radicals-from-a-simple-model-to-accurate-estimates
#18
Vincenzo Barone, Ivo Cacelli, Alessandro Ferretti, Giacomo Prampolini
The calculation of the energy gap between the magnetic states of organic poly-radicals still represents a challenging playground for quantum chemistry, and high-level techniques are required to obtain accurate estimates. On these grounds, the aim of the present study is twofold. From the one side, it shows that, thanks to recent algorithmic and technical improvements, we are able to compute reliable quantum mechanical results for the systems of current fundamental and technological interest. From the other side, proper parameterization of a simple Hubbard Hamiltonian allows for a sound rationalization of magnetic gaps in terms of basic physical effects, unraveling the role played by electron delocalization, Coulomb repulsion, and effective exchange in tuning the magnetic character of the ground state...
March 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28290375/angle-dependent-magnetoresistance-and-quantum-oscillations-in-high-mobility-semimetal-luptbi
#19
Guizhou Xu, Zhipeng Hou, Yue Wang, Xiaoming Zhang, Hongwei Zhang, EnKe Liu, Xuekui Xi, Feng Xu, Guangheng Wu, Xi-Xiang Zhang, Wenhong Wang
The recent discovery of ultrahigh mobility and large positive magnetoresistance in the topologically non-trivial half-Heusler semimetal LuPtBi provides a unique playground for studying exotic physics and significant perspective for device applications. As an fcc-structured electron-hole-compensated semimetal, LuPtBi theoretically exhibits six symmetrically arranged anisotropic electron Fermi pockets and two nearly-spherical hole pockets, offering the opportunity to explore the physics of Fermi surfaces with simple angle-related magnetotransport properties...
March 14, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28278148/notes-from-the-field-an-outbreak-of-salmonella-typhimurium-associated-with-playground-sand-in-a-preschool-setting-madrid-spain-september-october-2016
#20
Carmen Olmedo Lucerón, Ana Pérez Meixeira, Isabel Abad Sanz, Victoria Cid Deleyto, Silvia Herrera León, Leonor Gutierrez Ruiz
No abstract text is available yet for this article.
March 10, 2017: MMWR. Morbidity and Mortality Weekly Report
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