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https://www.readbyqxmd.com/read/28533511/cd47-surface-stability-is-sensitive-to-actin-disruption-prior-to-inclusion-within-the-band-3-macrocomplex
#1
Kathryn E Mordue, Bethan R Hawley, Timothy J Satchwell, Ashley M Toye
CD47 is an important 'marker of self' protein with multiple isoforms produced though alternative splicing that exhibit tissue-specific expression. Mature erythrocytes express CD47 isoform 2 only, with membrane stability of this version dependent on inclusion within the band 3 macrocomplex, via protein 4.2. At present a paucity of information exists regarding the associations and trafficking of the CD47 isoforms during erythropoiesis. We show that CD47 isoform 2 is the predominant version maintained at the surface of expanding and terminally differentiating erythroblasts...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28531141/eyes-of-things
#2
Oscar Deniz, Noelia Vallez, Jose L Espinosa-Aranda, Jose M Rico-Saavedra, Javier Parra-Patino, Gloria Bueno, David Moloney, Alireza Dehghani, Aubrey Dunne, Alain Pagani, Stephan Krauss, Ruben Reiser, Martin Waeny, Matteo Sorci, Tim Llewellynn, Christian Fedorczak, Thierry Larmoire, Marco Herbst, Andre Seirafi, Kasra Seirafi
Embedded systems control and monitor a great deal of our reality. While some "classic" features are intrinsically necessary, such as low power consumption, rugged operating ranges, fast response and low cost, these systems have evolved in the last few years to emphasize connectivity functions, thus contributing to the Internet of Things paradigm. A myriad of sensing/computing devices are being attached to everyday objects, each able to send and receive data and to act as a unique node in the Internet. Apart from the obvious necessity to process at least some data at the edge (to increase security and reduce power consumption and latency), a major breakthrough will arguably come when such devices are endowed with some level of autonomous "intelligence"...
May 21, 2017: Sensors
https://www.readbyqxmd.com/read/28526775/canine-dystocia-in-50-uk-first-opinion-emergency-care-veterinary-practices-prevalence-and-risk-factors
#3
D G O'Neill, A M O'Sullivan, E A Manson, D B Church, A K Boag, P D McGreevy, D C Brodbelt
Dystocia can represent a major welfare issue for dogs of certain breeds and morphologies. First-opinion emergency-care veterinary caseloads represent a useful data resource for epidemiological research because dystocia can often result in emergency veterinary care. The study analysed a merged database of clinical records from 50 first-opinion emergency-care veterinary practices participating in the VetCompass Programme. Multivariable logistic regression modelling was used for risk factors analysis. There were 701 dystocia cases recorded among 18,758 entire female dogs, resulting in a dystocia prevalence of 3...
May 19, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28526666/a-smart-toy-to-enhance-the-decision-making-process-at-children-s-psychomotor-delay-screenings-a-pilot-study
#4
María Angeles Gutiérrez García, María Luisa Martín Ruiz, Diego Rivera, Laura Vadillo, Miguel Angel Valero Duboy
BACKGROUND: EDUCERE ("Ubiquitous Detection Ecosystem to Care and Early Stimulation for Children with Developmental Disorders") is an ecosystem for ubiquitous detection, care, and early stimulation of children with developmental disorders. The objectives of this Spanish government-funded research and development project are to investigate, develop, and evaluate innovative solutions to detect changes in psychomotor development through the natural interaction of children with toys and everyday objects, and perform stimulation and early attention activities in real environments such as home and school...
May 19, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28516894/toy-model-for-uncommon-spin-orbit-driven-spin-torque-terms
#5
Charles Paillard, Raymond Walter, Surendra Singh, Brahim Dkhil, L Bellaiche
A toy model combining the angular magneto electric (AME) coupling Hamitonian (Mondal et al 2015 Phys. Rev. B 92 100402) with long-range magnetic dipolar interactions is used to investigate spin-torque phenomena in a magnetic spin valve. It is found that such model (1) gives rise to spin-torque expressions that are analogous in form to those of the common spin-transfer torques; but also (2) predicts additional spin-torque terms, which are generated by an electrical current oriented along unconventional, in-plane directions...
May 18, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28514440/extreme-hydrothermal-conditions-at-an-active-plate-bounding-fault
#6
Rupert Sutherland, John Townend, Virginia Toy, Phaedra Upton, Jamie Coussens, Michael Allen, Laura-May Baratin, Nicolas Barth, Leeza Becroft, Carolin Boese, Austin Boles, Carolyn Boulton, Neil G R Broderick, Lucie Janku-Capova, Brett M Carpenter, Bernard Célérier, Calum Chamberlain, Alan Cooper, Ashley Coutts, Simon Cox, Lisa Craw, Mai-Linh Doan, Jennifer Eccles, Dan Faulkner, Jason Grieve, Julia Grochowski, Anton Gulley, Arthur Hartog, Jamie Howarth, Katrina Jacobs, Tamara Jeppson, Naoki Kato, Steven Keys, Martina Kirilova, Yusuke Kometani, Rob Langridge, Weiren Lin, Timothy Little, Adrienn Lukacs, Deirdre Mallyon, Elisabetta Mariani, Cécile Massiot, Loren Mathewson, Ben Melosh, Catriona Menzies, Jo Moore, Luiz Morales, Chance Morgan, Hiroshi Mori, Andre Niemeijer, Osamu Nishikawa, David Prior, Katrina Sauer, Martha Savage, Anja Schleicher, Douglas R Schmitt, Norio Shigematsu, Sam Taylor-Offord, Damon Teagle, Harold Tobin, Robert Valdez, Konrad Weaver, Thomas Wiersberg, Jack Williams, Nick Woodman, Martin Zimmer
Temperature and fluid pressure conditions control rock deformation and mineralization on geological faults, and hence the distribution of earthquakes. Typical intraplate continental crust has hydrostatic fluid pressure and a near-surface thermal gradient of 31 ± 15 degrees Celsius per kilometre. At temperatures above 300-450 degrees Celsius, usually found at depths greater than 10-15 kilometres, the intra-crystalline plasticity of quartz and feldspar relieves stress by aseismic creep and earthquakes are infrequent...
May 17, 2017: Nature
https://www.readbyqxmd.com/read/28514239/understanding-women-s-sexual-behaviors-that-may-put-them-at-risk-for-human-papillomavirus-related-neoplasias-what-should-we-ask
#7
Amita Kulkarni, Tram Tran, Christine Luis, Christina A Raker, Beth Cronin, Katina Robison
OBJECTIVES: Human papillomavirus is a multifocal infection that can involve the cervix, vagina, vulva, anus, and oropharynx. Our study aimed to determine whether standard sexual history questions regarding anal intercourse identify women participating in anal-related sexual practices. MATERIALS AND METHODS: A cross-sectional survey was conducted at the dysplasia clinic of a large academic medical center. Women presenting with human papillomavirus-related cervical, vulvar, or vaginal abnormalities were eligible...
May 16, 2017: Journal of Lower Genital Tract Disease
https://www.readbyqxmd.com/read/28505718/mechanics-of-a-granular-skin
#8
Somnath Karmakar, Anit Sane, S Bhattacharya, Shankar Ghosh
Magic sand, a hydrophobic toy granular material, is widely used in popular science instructions because of its nonintuitive mechanical properties. A detailed study of the failure of an underwater column of magic sand shows that these properties can be traced to a single phenomenon: the system self-generates a cohesive skin that encapsulates the material inside. The skin, consisting of pinned air-water-grain interfaces, shows multiscale mechanical properties: they range from contact-line dynamics in the intragrain roughness scale, to plastic flow at the grain scale, all the way to sample-scale mechanical responses...
April 2017: Physical Review. E
https://www.readbyqxmd.com/read/28505716/central-loops-in-random-planar-graphs
#9
Benjamin Lion, Marc Barthelemy
Random planar graphs appear in a variety of contexts and it is important for many different applications to be able to characterize their structure. Local quantities fail to give interesting information and it seems that path-related measures are able to convey relevant information about the organization of these structures. In particular, nodes with a large betweenness centrality (BC) display nontrivial patterns, such as central loops. We first discuss empirical results for different random planar graphs and we then propose a toy model which allows us to discuss the condition for the emergence of nontrivial patterns such as central loops...
April 2017: Physical Review. E
https://www.readbyqxmd.com/read/28502435/caustic-ingestions-and-foreign-bodies-ingestions-in-pediatric-patients
#10
REVIEW
Jacob A Kurowski, Marsha Kay
Children inevitably swallow foreign material accidentally or intentionally. Each type of ingestion carries their own set of risks and complications, short and long term, some requiring immediate attention while others close monitoring. Alkalotic household cleaning products and lithium button batteries are increasingly common and damage the esophagus quickly. While many toys with rare-earth metals are banned, they are already present in many households and can cause necrosis of bowel that is between the magnets...
June 2017: Pediatric Clinics of North America
https://www.readbyqxmd.com/read/28499195/using-the-rubik-s-cube-to-directly-produce-paper-analytical-devices-for-quantitative-point-of-care-aptamer-based-assays
#11
Haiyan Fu, Juanhua Yang, Lin Guo, Jinfang Nie, Qiaobo Yin, Lang Zhang, Yun Zhang
In this article, we describe a facile method named as Rubik's Cube stamping (RCS) for equipment-free fabrication of microfluidic paper-based analytical devices (μPADs). RCS is inspired by the worldwide ubiquitous RC toy and requires no specialized electric equipment other than a classical six-faced RC that is assembled with home-made small iron components. It can pattern various rosin microstructures in paper simply by either using different functional faces of the modified RC or applying its internal pivot mechanism to adjust the components' patterning forms on one functional face...
May 6, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28497524/changing-minds-children-s-inferences-about-third-party-belief-revision
#12
Rachel W Magid, Phyllis Yan, Max H Siegel, Joshua B Tenenbaum, Laura E Schulz
By the age of 5, children explicitly represent that agents can have both true and false beliefs based on epistemic access to information (e.g., Wellman, Cross, & Watson, 2001). Children also begin to understand that agents can view identical evidence and draw different inferences from it (e.g., Carpendale & Chandler, 1996). However, much less is known about when, and under what conditions, children expect other agents to change their minds. Here, inspired by formal ideal observer models of learning, we investigate children's expectations of the dynamics that underlie third parties' belief revision...
May 12, 2017: Developmental Science
https://www.readbyqxmd.com/read/28478692/do-i-really-want-to-be-going-on-a-bloody-diet-gendered-narratives-in-older-men-with-painful-knee-osteoarthritis
#13
Francine Toye, Jonathan Room, Karen L Barker
PURPOSE: Small reductions in body weight can decrease osteoarthritic knee pain. Intuitively this should provide a strong incentive for weight-loss. However many people undergoing knee joint replacement (KJR) are categorised as obese. Gender theories can help us to understand differential responses to illness and therefore make an important contribution to rehabilitation. We aimed to explore barriers to weight loss in a group of older men with osteoarthritis. MATERIALS AND METHODS: We conducted 12 in-depth interviews, before and 1 year after surgery, with six obese men listed for KJR...
May 8, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28476347/interacting-effect-of-two-social-factors-on-18-month-old-infants-imitative-behavior-communicative-cues-and-demonstrator-presence
#14
Krisztina Kupán, Ildikó Király, Kinga Kupán, Kata Krekó, Ádám Miklósi, József Topál
Certain aspects of a demonstration have been shown to influence infants' interpretation of an observational situation and result in selective imitation. Studying social factors that trigger selective imitation may improve our understanding of how infants encode certain situations. However, only a few studies have investigated the possible interactions among these factors. In our study, 18-month-old infants (N=54) observed an adult demonstrator retrieve a toy from under an opaque ("baited") container by manipulating another transparent empty one...
May 2, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/28475180/multi-stability-and-the-origin-of-microbial-community-types
#15
Didier Gonze, Leo Lahti, Jeroen Raes, Karoline Faust
The study of host-associated microbial community composition has suggested the presence of alternative community types. We discuss three mechanisms that could explain these observations. The most commonly invoked mechanism links community types to a response to environmental change; alternatively, community types were shown to emerge from interactions between members of local communities sampled from a metacommunity. Here, we emphasize multi-stability as a third mechanism, giving rise to different community types in the same environmental conditions...
May 5, 2017: ISME Journal
https://www.readbyqxmd.com/read/28474228/teaching-functional-play-skills-to-a-young-child-with-autism-spectrum-disorder-through-video-self-modeling
#16
Sharon Y Lee, Ya-Yu Lo, Yafen Lo
The researchers used a single-case, multiple probe design across three sets of toys (i.e., farm toy, doctor's clinic toy, and rescue toy) to examine the effects of video self-modeling (VSM) on the functional play skills of a 5-year-old child with autism spectrum disorder. The findings showed a functional relation between VSM and increased percentages of functional play actions across the toy sets. The participant's percentages of the targeted functional play skills for the intervention toys remained high 1 week and 2 weeks after the intervention ceased...
May 4, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28473766/aging-of-attentiveness-in-border-collies-and-other-pet-dog-breeds-the-protective-benefits-of-lifelong-training
#17
Durga Chapagain, Zsófia Virányi, Lisa J Wallis, Ludwig Huber, Jessica Serra, Friederike Range
Aging of attentiveness affects cognitive functions like perception and working memory, which can seriously impact communication between dogs and humans, potentially hindering training and cooperation. Previous studies have revealed that aged laboratory beagles and pet Border collies (BC) show a decline in selective attention. However, much less is known about the aging of attentiveness in pet dogs in general rather than in specific breeds. Using 185 pet dogs (75 BC and 110 dogs of other breeds) divided into three age groups [late adulthood (6- < 8 year), senior (8- < 10 year) and geriatric (≥10 year)], we assessed the progress of aging of attentional capture, sustained and selective attention in older dogs in order to explore if prior results in BC are generalizable and to evaluate the influence of lifelong training on measures of attention...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28470756/differentiating-pulmonary-transfusion-reactions-using-recipient-and-transfusion-factors
#18
Nareg H Roubinian, Mark R Looney, Sheila Keating, Daryl J Kor, Clifford A Lowell, Ognjen Gajic, Rolf Hubmayr, Michael Gropper, Monique Koenigsberg, Gregory A Wilson, Michael A Matthay, Pearl Toy, Edward L Murphy
BACKGROUND: It is increasingly recognized that recipient risk factors play a prominent role in possible transfusion-related acute lung injury (pTRALI) and transfusion-associated circulatory overload (TACO). We hypothesized that both transfusion and recipient factors including natriuretic peptides could be used to distinguish TRALI from TACO and pTRALI. STUDY DESIGN AND METHODS: We performed a post hoc analysis of a case-control study of pulmonary transfusion reactions conducted at the University of California at San Francisco and Mayo Clinic, Rochester...
May 3, 2017: Transfusion
https://www.readbyqxmd.com/read/28466648/increasing-functional-leisure-engagement-for-children-with-autism-using-backward-chaining
#19
Chelsea K Edwards, Robin K Landa, Sarah E Frampton, M Alice Shillingsburg
Research with individuals with disabilities has demonstrated the utility of intervention approaches to address toy play, also referred to as functional leisure engagement (FLE). Examples include prompting FLE, blocking stereotypy, and differentially reinforcing appropriate FLE with social or automatic (i.e., access to stereotypy) reinforcers. Backward chaining has yet to be evaluated, but may be useful for establishing more complex FLE. The current study employed a treatment package consisting of these components with three school-aged children with autism in a therapeutic classroom...
May 1, 2017: Behavior Modification
https://www.readbyqxmd.com/read/28463478/graphene-strained-by-defects
#20
Jeremy T Robinson, Maxim K Zalalutdinov, Cory D Cress, James C Culbertson, Adam L Friedman, Andrew Merrill, Brian J Landi
Using graphene nanomechanical resonators we demonstrate the extent to which the mechanical properties of multilayer graphene films are controllable, in real time, through introduction and rearrangement of defects. We show both static and re-entrant (cyclical) changes in the tensile stress using a combination of ion implantation, chemical functionalization, and thermal treatment. While the dramatic increase in static tensile stress achievable through laser annealing can be of importance for various MEMS applications, we view the direct observation of a time-variable stress as even more significant...
May 8, 2017: ACS Nano
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