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https://www.readbyqxmd.com/read/29054679/cost-effectiveness-analysis-of-two-impression-methods-for-the-fabrication-of-mandibular-complete-dentures
#1
Anna Miyayasu, Manabu Kanazawa, Ayami Jo, Yusuke Sato, Shunsuke Minakuchi
OBJECTIVES: To compare the cost and to evaluate cost-effectiveness of fabricating mandibular complete dentures (CDs) using two different impression methods. METHODS: A crossover randomized controlled trial including 27 edentulous participants was performed. Mandibular CDs were fabricated using two different impression methods, as follows: (i) conventional method using a custom tray border moulded with impression compound and silicone and (ii) simplified method using a stock tray and alginate...
October 17, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29054618/relationships-between-soil-organic-matter-pools-and-nitrous-oxide-emissions-of-agroecosystems-in-the-brazilian-cerrado
#2
Cícero Célio de Figueiredo, Alexsandra Duarte de Oliveira, Isis Lima Dos Santos, Eloisa Aparecida Belleza Ferreira, Juaci Vitoria Malaquias, Marcos Aurélio Carolino de Sá, Arminda Moreira de Carvalho, João de Deus Gomes Dos Santos
In the Brazilian Cerrado, despite the increasing adoption of no-till systems, there are still extended areas under conventional soil management systems that reduce soil carbon (C) and nitrogen (N) stocks and increase the emissions of greenhouse gases, such as nitrous oxide (N2O). Conservation agroecosystems, such as no-till, have been proposed as a strategy to mitigate agriculture-induced climatic changes through reductions in N2O emissions. However, the relationship between organic matter and N2O emissions from soils under different agroecosystems is not yet clear...
October 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29053822/characterization-of-indigenous-chicken-production-systems-in-rwanda
#3
J Mahoro, T K Muasya, F Mbuza, R Habimana, A K Kahi
Characterization of indigenous chicken (IC) production systems in Rwanda was conducted from November 2015 to January 2016 with the aim of understanding socio-economic characteristics, management of IC, production parameters, feed resources, and constraints faced by farmers rearing IC. A survey involving 206 households was carried out in 5 districts with the highest populations of IC using structured questionnaires. Data were analyzed using SAS software. The results showed that the majority of respondents (62...
September 14, 2017: Poultry Science
https://www.readbyqxmd.com/read/29052985/occurrence-loading-and-exposure-of-atmospheric-particle-bound-pops-at-the-african-and-european-edges-of-the-western-mediterranean-sea
#4
Javier Castro Jiménez, Badreddine Barhoumi, Andrea Paluselli, Marc Tedetti, Begoña Jiménez, Juan Muñoz-Arnanz, Henri Wortham, Mohamed Ridha Driss, Richard Sempéré
A comparative study for 62 toxic chemicals based on the monthly collection of aerosol samples during 2015-2016 in two coastal cities at both the African (Bizerte, Tunisia) and European (Marseille, France) edges of the W Mediterranean basin is presented. Legacy polychlorinated biphenyls (Σ18PCBs) and polychlorinated dibenzo-p-dioxins and dibenzofurans (Σ17PCDD/Fs) show generally higher median levels at the African edge (2.1 and 0.2 pg m-3, respectively) compared to the European coastal site (1.0 and 0.08 pg m-3, respectively)...
October 20, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29052980/decabromodiphenyl-ether-decabde-in-electrical-and-electronic-equipment-in-japan-stock-emission-and-substitution-evaluation
#5
Mianqiang Xue, Liang Zhou, Naoya Kojima, Takashi Machimura, Akihiro Tokai
DecaBDE has been widely used as flame retardant in electrical and electronic equipment (EEE). It has recently been listed in Annex A of the Stockholm Convention. The time series flow, stock, and emission of DecaBDE in EEE in Japan were quantified. On this basis, a risk/risk trade-off analysis of substituting DecaBDE with triphenyl phosphate (TPhP) that is one possible phosphorus-based alternative was conducted. The stock of DecaBDE reached a maximum of ~42,000 t in 1995. Even though the demand flow was negligible in 2030, the stock was modelled to be still ~470 t...
October 20, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29052758/effects-of-trying-not-to-move-instruction-on-cortical-load-and-concurrent-cognitive-performance
#6
Christine Langhanns, Hermann Müller
Motor and cognitive tasks often interfere when performed concurrently. The amount of interference typically scales with difficulty of the tasks involved. Thus, supposedly 'easy' motor tasks with restricted movement amplitude, like sitting on a chair, should show little or no interference with cognitive tasks at all. We measured the processing load induced by different postural tasks and their effect on cognitive performance under cognitive-motor dual-task conditions. Sixteen subjects performed postural motor tasks in three different positions: 'Lying in a sun lounger', 'Sitting on a bike saddle', and 'Upright on feet'...
October 20, 2017: Psychological Research
https://www.readbyqxmd.com/read/29052047/an-alternative-approach-for-estimating-above-ground-biomass-using-resourcesat-2-satellite-data-and-artificial-neural-network-in-bundelkhand-region-of-india
#7
Dibyendu Deb, J P Singh, Shovik Deb, Debajit Datta, Arunava Ghosh, R S Chaurasia
Determination of above ground biomass (AGB) of any forest is a longstanding scientific endeavor, which helps to estimate net primary productivity, carbon stock and other biophysical parameters of that forest. With advancement of geospatial technology in last few decades, AGB estimation now can be done using space-borne and airborne remotely sensed data. It is a well-established, time saving and cost effective technique with high precision and is frequently applied by the scientific community. It involves development of allometric equations based on correlations of ground-based forest biomass measurements with vegetation indices derived from remotely sensed data...
October 20, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29051885/the-reversed-less-invasive-stabilisation-system-distal-femur-technique-application-in-an-adult-patient-with-osteogenesis-imperfecta-sustaining-a-femoral-fracture
#8
Markus S Hanke, Marius Johann Keel, Inga A Todorski, Johannes Dominik Bastian
INTRODUCTION: The aim of this study was to report the surgical management and to discuss the options for fracture fixation in an adult patient with osteogenesis imperfecta (OI) who sustained a trochanteric femoral fracture after a simple fall from standing position. CASE REPORT: As a result of multiple fractures during childhood, this adult patient with OI presented with a short stature. The radiographs revealed a displaced, intertrochanteric fracture with subtrochanteric extension of the left femur...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29051581/blue-carbon-stores-in-tropical-seagrass-meadows-maintained-under-green-turtle-grazing
#9
Robert A Johnson, Alexandra G Gulick, Alan B Bolten, Karen A Bjorndal
Seagrass meadows are important sites for carbon storage. Green turtles (Chelonia mydas) are marine megaherbivores that consume seagrass throughout much of their global range. With successful conservation efforts, turtle abundance will increase, leading to more meadows being returned to their natural grazed state. There is concern this may lead to a loss of carbon stored in these systems, but the effects of green turtle grazing on seagrass ecosystem carbon dynamics have not been investigated. Here we experimentally show that despite 79% lower net ecosystem production (NEP) following grazing (24...
October 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29051087/triggering-receptor-expressed-on-myeloid-cells-2-trem2-dependent-microglial-activation-promotes-cisplatin-induced-peripheral-neuropathy-in-mice
#10
Lang-Yue Hu, Yang-Zhou, Wen-Qiang Cui, Xue-Ming Hu, Li-Xia Du, Wen-Li Mi, Yu-Xia Chu, Gen-Cheng Wu, Yan-Qing Wang, Qi-Liang Mao-Ying
Chemotherapy-induced peripheral neuropathy (CIPN) is a common adverse side effect of many antineoplastic agents. Patients treated with chemotherapy often report pain and paresthesias in a "glove-and-stocking" distribution. Diverse mechanisms contribute to the development and maintenance of CIPN. However, the role of spinal microglia in CIPN is not completely understood. In this study, cisplatin-treated mice displayed persistent mechanical allodynia, sensory deficits and decreased density of intraepidermal nerve fibers (IENFs)...
October 16, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29050426/influence-of-hot-exposure-on-12-week-old-turkey-hen-physiology-welfare-and-meat-quality-and-16-week-old-turkey-tom-core-body-temperature-when-crated-at-transport-density
#11
C J Vermette, Z A Henrikson, K V Schwean-Lardner, T G Crowe
The influence of hot conditions on 12-week-old turkey hens and 16-week-old toms while crated at transport density was evaluated. Forty-eight hens and 48 toms (8 birds per flock × 3 flocks × 2 humidity levels) were used in neutral treatments (trt; 20°C), and 16 hens and 16 toms (8 birds per flock × 1 flock × 2 humidity levels) were used in the hot trt (35°C). Birds were placed in crates at a transport stocking density of approximately 83 kg/m2, then inside a pre-conditioned chamber for 8 hours. Live shrink, core body temperature (CBT), heterophil/lymphocyte (H/L) ratio, and breast and thigh pH and color were recorded...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/29050408/effect-of-space-allowance-and-cage-size-on-laying-hens-housed-in-furnished-cages-part-i-performance-and-well-being
#12
T M Widowski, L J Caston, M E Hunniford, L Cooley, S Torrey
There are few published data on the effects of housing laying hens at different densities in large furnished cages (FC; a.k.a. enriched colony cages). The objective of this study was to determine the effects of housing laying hens at 2 space allowances (SA) in 2 sizes of FC on measures of production and well-being. At 18 wk of age, 1,218 LSL-Lite hens were housed in cages furnished with a curtained nesting area, perches, and scratch mat, and stocked at either 520 cm2 (Low) or 748 cm2 (High) total floor space...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/29049383/lutein-accumulates-in-subcellular-membranes-of-brain-regions-in-adult-rhesus-macaques-relationship-to-dha-oxidation-products
#13
Emily S Mohn, John W Erdman, Matthew J Kuchan, Martha Neuringer, Elizabeth J Johnson
OBJECTIVES: Lutein, a carotenoid with anti-oxidant functions, preferentially accumulates in primate brain and is positively related to cognition in humans. Docosahexaenoic acid (DHA), an omega-3 polyunsaturated fatty acid (PUFA), is also beneficial for cognition, but is susceptible to oxidation. The present study characterized the membrane distribution of lutein in brain regions important for different domains of cognitive function and determined whether membrane lutein was associated with brain PUFA oxidation...
2017: PloS One
https://www.readbyqxmd.com/read/29049030/evidence-for-the-confinement-of-magnetic-monopoles-in-quantum-spin-ice
#14
P M Sarte, A A Aczel, G Ehlers, C Stock, B D Gaulin, C Mauws, M B Stone, S Calder, S E Nagler, J W Hollett, H D Zhou, J S Gardner, J P Attfield, C R Wiebe
Magnetic monopoles are hypothesised elementary particles connected by Dirac strings that behave like infinitely thin solenoids (Dirac 1931 Proc. R. Soc. A 133 60). Despite decades of searching, free magnetic monopoles and their Dirac strings have eluded experimental detection, although there is substantial evidence for deconfined magnetic monopole quasiparticles in spin ice materials (Castelnovo et al 2008 Nature 326 411). Here we report the detection of a hierarchy of unequally-spaced magnetic excitations via high resolution inelastic neutron spectroscopic measurements on the quantum spin ice candidate [Formula: see text] [Formula: see text] [Formula: see text]...
October 19, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29048956/geographic-distribution-of-scorpion-exposures-in-the-united-states-2010-2015
#15
A Min Kang, Daniel E Brooks
OBJECTIVES: To determine the geographic distribution of scorpion envenomations in the United States by zip code, with particular attention to the neurotoxic Centruroides sculpturatus (Arizona bark scorpion), for which an antivenom is available. METHODS: We obtained scorpion exposure cases for 2010 to 2015 from the National Poison Data System. Using geographic information systems software, we mapped total exposures and incidence rates for 9 states that reported more than 100 annual calls...
October 19, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/29047388/challenges-in-implementing-uncomplicated-malaria-treatment-in-children-a-health-facility-survey-in-rural-malawi
#16
Alinune N Kabaghe, Mphatso D Phiri, Kamija S Phiri, Michèle van Vugt
BACKGROUND: Prompt and effective malaria treatment are key in reducing transmission, disease severity and mortality. With the current scale-up of artemisinin-based combination therapy (ACT) coverage, there is need to focus on challenges affecting implementation of the intervention. Routine indicators focus on utilization and coverage, neglecting implementation quality. A health system in rural Malawi was assessed for uncomplicated malaria treatment implementation in children. METHODS: A cross-sectional health facility survey was conducted in six health centres around the Majete Wildlife Reserve in Chikwawa district using a health system effectiveness approach to assess uncomplicated malaria treatment implementation...
October 18, 2017: Malaria Journal
https://www.readbyqxmd.com/read/29047209/effects-of-cryopreservation-on-adipose-tissue-derived-microvascular-fragments
#17
Matthias W Laschke, Philipp Karschnia, Claudia Scheuer, Alexander Heß, Wolfgang Metzger, Michael D Menger
Adipose tissue-derived microvascular fragments (ad-MVF) are effective vascularization units for tissue engineering. They rapidly reassemble into new microvascular networks after seeding on scaffolds and subsequent in vivo implantation. Herein, we analyzed whether the vascularization capacity of ad-MVF is affected by cryopreservation. Ad-MVF were isolated from the epididymal fat pads of C57BL/6 mice and cryopreserved for 7 days to compare their morphology, viability, cellular composition and protein expression with freshly isolated control ad-MVF...
October 19, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29046536/honeybee-spillover-reshuffles-pollinator-diets-and-affects-plant-reproductive-success
#18
Ainhoa Magrach, Juan P González-Varo, Mathieu Boiffier, Montserrat Vilà, Ignasi Bartomeus
During the past decades, managed honeybee stocks have increased globally. Managed honeybees are particularly used within mass-flowering crops and often spill over to adjacent natural habitats after crop blooming. Here, we uniquely show the simultaneous impact that honeybee spillover has on wild plant and animal communities in flower-rich woodlands via changes in plant-pollinator network structure that translate into a direct negative effect on the reproductive success of a dominant wild plant. Honeybee spillover leads to a re-assembly of plant-pollinator interactions through increased competition with other pollinator species...
September 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/29046461/human-embryonic-stem-cell-derived-neurons-are-highly-permissive-for-varicella-zoster-virus-lytic-infection
#19
Tomohiko Sadaoka, Cindi L Schwartz, Labchan Rajbhandari, Arun Venkatesan, Jeffrey I Cohen
Varicella-zoster virus (VZV) is highly cell-associated when grown in culture and has a much higher (4,000 to 20,000-fold increased) particle-to-plaque forming unit (PFU) ratio in vitro than herpes simplex virus (HSV). In contrast, VZV is highly infectious in vivo by airborne transmission. Neurons are major targets for VZV in vivo, in which the virus can establish latency and reactivate to produce infectious virus. Using neurons derived from human embryonic stem cells (hESC) and cell-free wild-type (WT) VZV, we demonstrate that neurons are nearly 100 times more permissive for WT VZV infection than very early passage human embryonic lung cells or MRC-5 diploid human fibroblasts, the cells used for vaccine production or virus isolation...
October 18, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29046232/geomorphic-controls-on-fluvial-carbon-exports-and-emissions-from-upland-swamps-in-eastern-australia
#20
Kirsten Cowley, Arun Looman, Damien T Maher, Kirstie Fryirs
Temperate Highland Peat Swamps on Sandstone (THPSS) are upland wetlands, similar to fens in the Northern Hemisphere and are found at the headwaters of low-order streams on the plateaus of Eastern Australia. They are classified as endangered ecological communities under State and National legislation. Previous works have identified particular geomorphic characteristics that are important to carbon storage in these low energy sediment accumulation zones. Changes in the geomorphic structure of THPSS, such as channelisation, may have profound implications for carbon storage...
October 15, 2017: Science of the Total Environment
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