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https://www.readbyqxmd.com/read/28086776/comparison-of-two-adult-mosquito-sampling-methods-with-human-landing-catches-in-south-central-ethiopia
#1
Oljira Kenea, Meshesha Balkew, Habte Tekie, Teshome Gebre-Michael, Wakgari Deressa, Eskindir Loha, Bernt Lindtjørn, Hans J Overgaard
BACKGROUND: The human landing catch (HLC) is the standard reference method for measuring human exposure to mosquito bites. However, HLC is labour-intensive, exposes collectors to infectious mosquito bites and is subjected to collector bias. These necessitate local calibration and application of alternative methods. This study was undertaken to determine the relative sampling efficiency (RSE) of light traps with or without yeast-produced carbon dioxide bait vs. HLC in south-central Ethiopia...
January 13, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28080150/motives-matter-motives-for-playing-pok%C3%A3-mon-go-and-implications-for-well-being
#2
Chia-Chen Yang, Dong Liu
Mobile games such as Pokémon Go have become a major form of entertainment, and yet little is known about why people play the games and how their motives associate with well-being. Although literature on motives for playing video and online games is informative, the findings may not reflect the full spectrum of mobile gaming motives due to some unique affordances of mobile games (e.g., mobility). To catch up with the evolving gaming context, a popular mobile game, Pokémon Go, was taken as an example to explore individuals' mobile gaming motives...
January 2017: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/28079195/a-ph-responsive-molecular-capsule-with-an-acridine-shell-catch-and-release-of-large-hydrophobic-compounds
#3
Mai Kishimoto, Kei Kondo, Munetaka Akita, Michito Yoshizawa
Unlike common polyaromatic hydrocarbons, acridine is a characteristic compound bearing both π-stackable large surfaces and a protonable nitrogen atom. Here we report the first synthesis of a supramolecular capsule with multiple acridine panels. In water, the assembly and disassembly of the capsule reversibly occur under neutral and acidic conditions, respectively (≥10 cycles). Notably, the pH-responsive capsule encapsulates a variety of large hydrophobic compounds (up to 1.6 nm in diameter) such as coumarins, metallophthalocyanines and subphthalocyanine in neutral water and subsequently releases them by simple addition of acid...
January 12, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28077167/role-of-anopheles-cellia-rufipes-gough-1910-and-other-local-anophelines-in-human-malaria-transmission-in-the-northern-savannah-of-cameroon-a-cross-sectional-survey
#4
Raymond N Tabue, Parfait Awono-Ambene, Josiane Etang, Jean Atangana, Antonio-Nkondjio C, Jean C Toto, Salomon Patchoke, Rose G F Leke, Etienne Fondjo, Abraham P Mnzava, Tessa B Knox, Alexis Tougordi, Martin J Donnelly, Jude D Bigoga
BACKGROUND: As part of a study to determine the impact of insecticide resistance on the effectiveness of long-lasting insecticide treated nets (LLINs) in the north of Cameroon, the unexpectedly high density and anthropophilic behaviour of Anopheles rufipes lead us to investigate this species bionomics and role in human malaria parasite transmission. METHODS: For four consecutive years (2011-2014), annual cross-sectional sampling of adult mosquitoes was conducted during the peak malaria season (September-October) in three health districts in northern Cameroon...
January 11, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28077030/mortality-rates-in-oecd-countries-converged-during-the-period-1990-2010
#5
Sven G Bremberg
AIMS: Since the scientific revolution of the 18th century, human health has gradually improved, but there is no unifying theory that explains this improvement in health. Studies of macrodeterminants have produced conflicting results. Most studies have analysed health at a given point in time as the outcome; however, the rate of improvement in health might be a more appropriate outcome. METHODS: Twenty-eight OECD member countries were selected for analysis in the period 1990-2010...
January 1, 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28075573/functional-graphene-nanomaterials-based-architectures-biointeractions-fabrications-and-emerging-biological-applications
#6
Chong Cheng, Shuang Li, Arne Thomas, Nicholas A Kotov, Rainer Haag
Functional graphene nanomaterials (FGNs) are fast emerging materials with extremely unique physical and chemical properties and physiological ability to interfere and/or interact with bioorganisms; as a result, FGNs present manifold possibilities for diverse biological applications. Beyond their use in drug/gene delivery, phototherapy, and bioimaging, recent studies have revealed that FGNs can significantly promote interfacial biointeractions, in particular, with proteins, mammalian cells/stem cells, and microbials...
January 11, 2017: Chemical Reviews
https://www.readbyqxmd.com/read/28074624/assessing-the-sustainability-of-waiwai-subsistence-hunting-in-guyana-with-implications-for-co-management-in-amazonian-indigenous-reserves
#7
Christopher A Shaffer, Marissa S Milstein, Charakura Yukuma, Elisha Marawanaru, Phillip Suse
While hunting is a key component of the subsistence strategies of many Amazonians, it is also one of the most important threats to wildlife conservation throughout South America. As indigenous reserves now make up more than 20% of Amazonia, effective conservation often requires working closely with indigenous groups as shared stakeholders in the management of hunting. We present a novel approach to co-management that integrates hunter generated harvesting data with spatially explicit, biodemographic modeling to assess the sustainability of the subsistence hunting of indigenous Waiwai in Guyana...
January 11, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/28073956/the-effect-of-rheumatoid-arthritis-associated-autoantibodies-on-the-incidence-of-cardiovascular-events-in-a-large-inception-cohort-of-early-inflammatory-arthritis
#8
Lillian J Barra, Janet E Pope, Carol Hitchon, Gilles Boire, Orit Schieir, Daming Lin, Carter J Thorne, Diane Tin, Edward C Keystone, Boulos Haraoui, Shahin Jamal, Vivian P Bykerk
OBJECTIVE: RA is associated with an increased risk of cardiovascular events (CVEs). The objective was to estimate independent effects of RA autoantibodies on the incident CVEs in patients with early RA. METHODS: Patients were enrolled in the Canadian Early Inflammatory Arthritis Cohort, a prospective multicentre inception cohort. Incident CVEs, including acute coronary syndromes and cerebrovascular events, were self-reported by the patient and partially validated by medical chart review...
January 9, 2017: Rheumatology
https://www.readbyqxmd.com/read/28071962/the-feasibility-of-functional-electrical-stimulation-to-improve-upper-extremity-function-in-a-two-year-old-child-with-perinatal-stroke-a-case-report
#9
Kristin E Musselman, Patricia Manns, Jaclyn Dawe, Rhina Delgado, Jaynie F Yang
AIMS: To evaluate the effectiveness and feasibility (i.e. tolerability, adherence) of functional electrical stimulation (FES) for the upper extremity (UE) in a two-year-old child with perinatal stroke. METHODS: Forty hours of FES over eight weeks was prescribed. FES to the hemiplegic triceps, extensor carpi radialis longus and brevis, extensor carpi ulnaris and extensor digitorum was timed with reaching during play. Assessments were performed before, during, and two months post-intervention...
January 10, 2017: Physical & Occupational Therapy in Pediatrics
https://www.readbyqxmd.com/read/28069394/catch-my-drift-making-sense-of-genomic-intra-tumour-heterogeneity
#10
Andrea Sottoriva, Chris P Barnes, Trevor A Graham
The cancer genome is shaped by three components of the evolutionary process: mutation, selection and drift. While many studies have focused on the first two of these evolutionary components, the role of drift in cancer evolution has received little attention. Drift occurs when all individuals in the population have the same likelihood of producing surviving offspring, and so by definition a drifting population is one that is evolving neutrally. Here we focus on how neutral evolution is manifested in the cancer genome...
January 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28064548/amniotic-fluid-sludge-prevalence-and-clinical-significans-of-it-in-asymptomatic-patients-at-high-risk-for-spontaneous-preterm-delivery
#11
Ilknur Adanir, Ozgur Ozyuncu, Ayse Filiz Gokmen Karasu, Lutfu S Onderoglu
INTRODUCTION: The aim of our study is to determine prevalence and clinical significance of the presence of amniotic fluid 'sludge' among asymptomatic patients at high-risk for spontaneous preterm delivery, prospectively. MATERIAL AND METHODS: In our study, 99 patients at high risk for spontaneous preterm delivery were evaluated for the presence of amniotic fluid sludge with transvaginal ultrasonography at 20-22., 26-28. and 32-34. gestational weeks, prospectively; between August 2009 and October 2010 in Hacettepe University Hospital...
January 8, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28063169/progress-in-the-study-of-bioluminescent-earthworms
#12
Natalja S Rodionova, Emilia Rota, Aleksandra S Tsarkova, Valentin N Petushkov
Even though bioluminescent oligochaetes rarely catch people's eyes due to their secretive lifestyle, glowing earthworms sighting reports have come from different areas on all continents except Antarctica. A major breakthrough in the research of earthworm bioluminescence occurred in the 1960s with the studies of the North American Diplocardia longa. Comparative studies conducted on 13 earthworm species belonging to six genera showed that N-isovaleryl-3-aminopropanal (Diplocardia luciferin) is the common substrate for bioluminescence in all examined species, while luciferases appeared to be responsible for the color of bioluminescence...
January 7, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/28061905/epidemiology-of-mansonella-perstans-in-the-middle-belt-of-ghana
#13
Linda Batsa Debrah, Norman Nausch, Vera Serwaa Opoku, Wellington Owusu, Yusif Mubarik, Daniel Antwi Berko, Samuel Wanji, Laura E Layland, Achim Hoerauf, Marc Jacobsen, Alexander Yaw Debrah, Richard O Phillips
BACKGROUND: Mansonellosis was first reported in Ghana by Awadzi in the 1990s. Co-infections of Mansonella perstans have also been reported in a small cohort of patients with Buruli ulcer and their contacts. However, no study has assessed the exact prevalence of the disease in a larger study population. This study therefore aimed to find out the prevalence of M. perstans infection in some districts in Ghana and to determine the diversity of Culicoides that could be potential vectors for transmission...
January 7, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28060372/morphologic-diversity-in-human-papillomavirus-related-oropharyngeal-squamous-cell-carcinoma-catch-me-if-you-can
#14
James S Lewis
As the human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma epidemic has developed in the past several decades, it has become clear that these tumors have a wide variety of morphologic tumor types and features. For the practicing pathologist, it is critical to have a working knowledge about these in order to make the correct diagnosis, not to confuse them with other lesions, and to counsel clinicians and patients on their significance (or lack of significance) for treatment and outcomes...
January 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28059148/enhancement-of-mosquito-trapping-efficiency-by-using-pulse-width-modulated-light-emitting-diodes
#15
Yu-Nan Liu, Yu-Jen Liu, Yi-Chian Chen, Hsin-Yi Ma, Hsiao-Yi Lee
In this study, a light-driving bug zapper is presented for well controlling the diseases brought by insects, such as mosquitoes. In order to have the device efficient to trap the insect pests in off-grid areas, pulse width modulated light emitting diodes (PWM-LED) combined with a solar power module are proposed and implemented. With specific PWM electric signals to drive the LED, it is found that no matter what the ability of catching insects or the consumed power efficiency can be enhanced thus. It is demonstrated that 40% of the UV LED consumed power and 25...
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28058531/developmental-charts-for-children-with-osteogenesis-imperfecta-type-i-body-height-body-weight-and-bmi
#16
Krzysztof Graff, Malgorzata Syczewska
: Osteogenesis imperfecta (OI) is a rare genetic disorder of type I collagen. Type I is the most common, which is called a non-deforming type of OI, as in this condition, there are no major bone deformities. This type is characterised by blue sclera and vertebral fractures, leading to mild scoliosis. The body height of these patients is regarded as normal, or only slightly reduced, but there are no data proving this in the literature. The aim of this study is the preparation of the developmental charts of children with OI type I...
January 5, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28057745/reciprocal-insulation-analysis-of-hi-c-data-shows-that-tads-represent-a-functionally-but-not-structurally-privileged-scale-in-the-hierarchical-folding-of-chromosomes
#17
Yinxiu Zhan, Luca Mariani, Iros Barozzi, Edda G Schulz, Nils Bluthgen, Michael Stadler, Guido Tiana, Luca Giorgetti
Understanding how regulatory sequences interact in the context of chromosomal architecture is a central challenge in biology. Chromosome conformation capture revealed that mammalian chromosomes possess a rich hierarchy of structural layers, from multi-megabase compartments to sub-megabase topologically associating domains (TADs) and sub-TAD contact domains. TADs appear to act as regulatory microenvironments by constraining and segregating regulatory interactions across discrete chromosomal regions. However, it is unclear whether other (or all) folding layers share similar properties, or rather TADs constitute a privileged folding scale with maximal impact on the organization of regulatory interactions...
January 5, 2017: Genome Research
https://www.readbyqxmd.com/read/28057066/evaluations-of-dual-attractant-toxic-sugar-baits-for-surveillance-and-control-of-aedes-aegypti-and-aedes-albopictus-in-florida
#18
Jodi M Scott-Fiorenzano, Alice P Fulcher, Kelly E Seeger, Sandra A Allan, Daniel L Kline, Philip G Koehler, Günter C Müller, Rui-De Xue
BACKGROUND: Dual attractant toxic sugar baits (D-ATSB) containing two host kairomones, L-lactic (LA) and 1-octen-3-ol (O), and fruit-based attractants were evaluated through olfactory, consumption and mortality, and semi-field experiments to determine if host kairomones could first, enhance attraction of a fruit-based (attractant) toxic sugar bait (ATSB), and second, increase the efficacy of a fruit based attractive toxic sugar bait (ATSB). METHODS: Four combinations of LA and O were incorporated into the ATSB and evaluated in an olfactometer to determine if these combinations could enhance attraction of Aedes aegypti (L...
January 5, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28056064/marine-reserve-targets-to-sustain-and-rebuild-unregulated-fisheries
#19
Nils C Krueck, Gabby N Ahmadia, Hugh P Possingham, Cynthia Riginos, Eric A Treml, Peter J Mumby
Overfishing threatens the sustainability of coastal marine biodiversity, especially in tropical developing countries. To counter this problem, about 200 governments worldwide have committed to protecting 10%-20% of national coastal marine areas. However, associated impacts on fisheries productivity are unclear and could weaken the food security of hundreds of millions of people who depend on diverse and largely unregulated fishing activities. Here, we present a systematic theoretic analysis of the ability of reserves to rebuild fisheries under such complex conditions, and we identify maximum reserve coverages for biodiversity conservation that do not impair long-term fisheries productivity...
January 2017: PLoS Biology
https://www.readbyqxmd.com/read/28052500/fishing-induced-changes-in-adult-length-are-mediated-by-skipped-spawning
#20
Hui-Yu Wang, Ying-Shiuan Chen, Chien-Chung Hsu, Sheng-Feng Shen
Elucidating fishing effects on fish population dynamics is a critical step toward sustainable fisheries management. Despite previous studies that have suggested age or size truncation in exploited fish populations, other aspects of fishing effects on population demography, e.g., via altering life histories and density, have received less attention. Here, we investigated the fishing effects altering adult demography via shifting reproductive trade-offs in the iconic, overexploited, Pacific bluefin tuna Thunnus orientalis...
January 2017: Ecological Applications: a Publication of the Ecological Society of America
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