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https://www.readbyqxmd.com/read/28534848/development-and-design-of-next-generation-head-mounted-ambulatory-microdose-positron-emission-tomography-am-pet-system
#1
Samantha Melroy, Christopher Bauer, Matthew McHugh, Garret Carden, Alexander Stolin, Stan Majewski, Julie Brefczynski-Lewis, Thorsten Wuest
Several applications exist for a whole brain positron-emission tomography (PET) brain imager designed as a portable unit that can be worn on a patient's head. Enabled by improvements in detector technology, a lightweight, high performance device would allow PET brain imaging in different environments and during behavioral tasks. Such a wearable system that allows the subjects to move their heads and walk-the Ambulatory Microdose PET (AM-PET)-is currently under development. This imager will be helpful for testing subjects performing selected activities such as gestures, virtual reality activities and walking...
May 19, 2017: Sensors
https://www.readbyqxmd.com/read/28534647/considering-built-environment-and-spatial-correlation-in-modelling-pedestrian-injury-severity
#2
Carlo G Prato, Sigal Kaplan, Alexandre Patrier, Thomas K Rasmussen
OBJECTIVE: This study looks at mitigating and aggravating factors that are associated with the injury severity of pedestrians when they have crashes with another road user and overcomes existing limitations in the literature by posing attention on the built environment and considering spatial correlation across crashes. METHOD: Reports for 6539 pedestrian crashes occurred in Denmark between 2006 and 2015 were merged with geographic information system resources containing detailed information about built environment and exposure at the crash locations...
May 23, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28532170/an-in-depth-understanding-of-the-impact-of-the-environment-on-participation-among-people-with-spinal-cord-injury
#3
Feng-Hang Chang, Cheng-Han Liu, Hsin-Ping Hung
PURPOSE: To identify environmental factors associated with participation and gain an in-depth understanding of relationships between environmental factors and participation among people with spinal cord injury. METHOD: Six focus groups (n= 30) with individuals with spinal cord injury were conducted. Two independent coders thematically analyzed the transcribed data. RESULTS: Twenty environmental factors were identified, all of which were classified into eight categories: built environment; natural environment; assistive technology; transportation; information and technology access; economics; social support and social attitudes; and systems, services and policies...
May 22, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28531149/changes-in-objectively-determined-walkability-and-physical-activity-in-adults-a-quasi-longitudinal-residential-relocation-study
#4
Gavin R McCormack, Lindsay McLaren, Grazia Salvo, Anita Blackstaffe
Causal evidence for the built environment's role in supporting physical activity is needed to inform land use and transportation policies. This quasi-longitudinal residential relocation study compared within-person changes in self-reported transportation walking, transportation cycling, and overall physical activity during the past 12 months among adults who did and did not move to a different neighbourhood. In 2014, a random sample of adults from 12 neighbourhoods (Calgary, AB, Canada) with varying urban form and socioeconomic status provided complete self-administered questionnaire data (n = 915)...
May 22, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28528864/effects-of-collagen-microstructure-and-material-properties-on-the-deformation-of-the-neural-tissues-of-the-lamina-cribrosa
#5
A P Voorhees, N-J Jan, I A Sigal
It is widely considered that intraocular pressure (IOP)-induced deformation within the neural tissue pores of the lamina cribrosa (LC) contributes to neurodegeneration and glaucoma. Our goal was to study how the LC microstructure and mechanical properties determine the mechanical insult to the neural tissues within the pores of the LC. Polarized light microscopy was used to measure the collagen density and orientation in histology sections of three sheep optic nerve heads (ONH) at both mesoscale (4.4 μm) and microscale (0...
May 18, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28527327/nursing-work-and-sensory-experiences-of-hospital-design-a-before-and-after-qualitative-study-following-a-move-to-all-single-room-inpatient-accommodation
#6
S Donetto, C Penfold, J Anderson, G Robert, J Maben
The embodied experience of nursing practice is rarely studied. Drawing on data from an internationally relevant larger study conducted in 2013-14, here we explore the sensory dimension of the embodied experiences of nursing staff working on two acute NHS hospital wards before and after a move to all-single room inpatient accommodation. We undertook a secondary analysis of 25 interviews with nursing staff (12 before and 13 after the move with half [13/25] using photographs taken by participants) from a mixed-method before-and-after study...
May 17, 2017: Health & Place
https://www.readbyqxmd.com/read/28526666/a-smart-toy-to-enhance-the-decision-making-process-at-children-s-psychomotor-delay-screenings-a-pilot-study
#7
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/28526259/the-impact-of-daytime-light-exposures-on-sleep-and-mood-in-office-workers
#8
Mariana G Figueiro, Bryan Steverson, Judith Heerwagen, Kevin Kampschroer, Claudia M Hunter, Kassandra Gonzales, Barbara Plitnick, Mark S Rea
BACKGROUND: By affecting the internal timing mechanisms of the brain, light regulates human physiology and behavior, perhaps most notably the sleep-wake cycle. Humans spend over 90% of their waking hours indoors, yet light in the built environment is not designed to affect circadian rhythms. OBJECTIVE: Using a device calibrated to measure light that is effective for the circadian system (circadian-effective light), collect personal light exposures in office workers and relate them to their sleep and mood...
June 2017: Sleep Health
https://www.readbyqxmd.com/read/28525801/social-and-built-environment-factors-related-to-children-s-independent-mobility-the-importance-of-neighbourhood-cohesion-and-connectedness
#9
En-Yi Lin, Karen Witten, Melody Oliver, Penelope Carroll, Lanuola Asiasiga, Hannah Badland, Karl Parker
This study examines aspects of neighbourhood social environments (namely, neighbourhood safety, cohesion and connection) and child-specific built environment attributes in relation to children's independent mobility. The results suggest that children aged 8-13 years with parents who perceive their neighbourhood as more cohesive and more connected, and are located closer to school, engaged in higher levels of independently mobile trips. The qualitative component of this research revealed that for NZ European, Māori, Samoan and other Pacific parents, 'people danger' was the most common concern for letting their children go out alone, whereas for Asian and Indian parents, 'traffic danger' was the most common reason for their concern...
May 17, 2017: Health & Place
https://www.readbyqxmd.com/read/28525590/sdm-a-server-for-predicting-effects-of-mutations-on-protein-stability
#10
Arun Prasad Pandurangan, Bernardo Ochoa-Montaño, David B Ascher, Tom L Blundell
Here, we report a webserver for the improved SDM, used for predicting the effects of mutations on protein stability. As a pioneering knowledge-based approach, SDM has been highlighted as the most appropriate method to use in combination with many other approaches. We have updated the environment-specific amino-acid substitution tables based on the current expanded PDB (a 5-fold increase in information), and introduced new residue-conformation and interaction parameters, including packing density and residue depth...
May 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28524702/school-success-and-participation-for-students-with-cerebral-palsy-a-qualitative-study-exploring-multiple-perspectives
#11
Helen M Bourke-Taylor, Claire Cotter, Aislinn Lalor, Lindy Johnson
PURPOSE: This qualitative study investigated perceived successful school experiences for students with cerebral palsy in Australia. Participation and appropriate support in school are complex concepts, although few studies have investigated all stakeholders' perspectives. METHODS: Phenomenology informed the study that centered on the concept of a successful school experience. In-depth interviews occurred with students (n = 7), parents (n = 11), teachers (n = 10), school principals (n = 9) and allied health practitioners (n = 10) to gain the perspective from multiple vantage points...
May 19, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28523612/analysis-of-the-environmental-issues-concerning-the-deployment-of-an-otec-power-plant-in-martinique
#12
Damien A Devault, Anne Péné-Annette
Ocean thermal energy conversion (OTEC) is a form of power generation, which exploits the temperature difference between warm surface seawater and cold deep seawater. Suitable conditions for OTEC occur in deep warm seas, especially the Caribbean, the Red Sea and parts of the Indo-Pacific Ocean. The continuous power provided by this renewable power source makes a useful contribution to a renewable energy mix because of the intermittence of the other major renewable power sources, i.e. solar or wind power. Industrial-scale OTEC power plants have simply not been built...
May 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28517937/cellular-shuttles-monocytes-macrophages-exhibit-transendothelial-transport-of-nanoparticles-under-physiological-flow
#13
Thomas Moore, Daniel Hauser, Thomas Gruber, Barbara Rothen-Rutishauser, Marco Lattuada, Alke Petri-Fink, Ruth Lyck
A major hurdle in the development of biomedical nanoparticles (NP) is understanding how they interact with complex biological systems and navigate biological barriers to arrive at pathological targets. It is becoming increasingly evident that merely controlling particle physico-chemical properties may not be sufficient to mediate particle biodistribution in dynamic environments. Thus, researchers are increasingly turning towards more complex but likewise more physiological in vitro systems to study particle-cell/particle-system interactions...
May 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28513318/neighborhood-built-environment-and-socio-economic-status-in-relation-to-active-commuting-to-school-in-children
#14
Javier Molina-García, Ana Queralt
BACKGROUND: The role of neighborhood type in active commuting to school (ACS) has not been extensively studied in children. The purpose of this study was to analyze the association between neighborhood built environment (walkability) and neighborhood socio-economic status (SES) with ACS among children. METHODS: A cross-sectional study of 310 Spanish children (aged 10-12 years; 51% male) was conducted in 2015. Walkability was defined as an index of three built environment characteristics (i...
May 17, 2017: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/28513207/evolutionary-developmental-robotics-improving-morphology-and-control-of-physical-robots
#15
Vuk Vujovic, Andre Rosendo, Luzius Brodbeck, Fumiya Iida
Evolutionary algorithms have previously been applied to the design of morphology and control of robots. The design space for such tasks can be very complex, which can prevent evolution from efficiently discovering fit solutions. In this article we introduce an evolutionary-developmental (evo-devo) experiment with real-world robots. It allows robots to grow their leg size to simulate ontogenetic morphological changes, and this is the first time that such an experiment has been performed in the physical world...
May 17, 2017: Artificial Life
https://www.readbyqxmd.com/read/28511067/a-fuzzy-logic-based-tool-to-assess-beef-cattle-ranching-sustainability-in-complex-environmental-systems
#16
Sandra A Santos, Helano Póvoas de Lima, Silvia M F S Massruhá, Urbano G P de Abreu, Walfrido M Tomás, Suzana M Salis, Evaldo L Cardoso, Márcia Divina de Oliveira, Márcia Toffani S Soares, Antônio Dos Santos, Luiz Orcírio F de Oliveira, Débora F Calheiros, Sandra M A Crispim, Balbina M A Soriano, Christiane O G Amâncio, Alessandro Pacheco Nunes, Luiz Alberto Pellegrin
One of the most relevant issues in discussion worldwide nowadays is the concept of sustainability. However, sustainability assessment is a difficult task due to the complexity of factors involved in the natural world added to the human interference. In order to assess the sustainability of beef ranching in complex and uncertain tropical environment systems this paper describes a decision support system based on fuzzy rule-approach, the Sustainable Pantanal Ranch (SPR). This tool was built by a set of measurements and indicators integrated by fuzzy logic to evaluate the attributes of the three dimensions of sustainability...
May 13, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28507889/does-parental-support-influence-children-s-active-school-travel
#17
S K Mah, L Nettlefold, H M Macdonald, M Winters, D Race, C Voss, H A McKay
Today's 'backseat generation' of children is more often driven to school. Active school travel (AST) can contribute up to 30% of recommended daily physical activity. Although governed by a complex set of factors, parents are considered 'gatekeepers' of children's travel mode decisions. Therefore, we investigate the relationship between parental support and children's AST. Data were from Active Streets, Active People-Junior (British Columbia, Canada). Children self-reported travel mode to/from school for 1 week (10 trips)...
June 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/28506895/the-node-and-beyond-using-social-media-in-cell-and-developmental-biology
#18
REVIEW
Catarina Vicente, Aidan Maartens, Katherine Brown
Traditionally, strong scientific communities have been at least partly built around physical proximity - either by members of the same department or institute, or through regular meetings and conferences. The online environment and the rise of social media platforms now make it easier to build virtual communities of geographically dispersed people with a common interest. In this article, we explore how such networks can be nurtured, focussing on the Node - a community blog for and by developmental biologists...
May 12, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28505989/pediatric-robotic-rehabilitation-current-knowledge-and-future-trends-in-treating-children-with-sensorimotor-impairments
#19
Konstantinos P Michmizos, Hermano Igo Krebs
BACKGROUND: Robot-aided sensorimotor therapy imposes highly repetitive tasks that can translate to substantial improvement when patients remain cognitively engaged into the clinical procedure, a goal that most children find hard to pursue. Knowing that the child's brain is much more plastic than an adult's, it is reasonable to expect that the clinical gains observed in the adult population during the last two decades would be followed up by even greater gains in children. Nonetheless, and despite the multitude of adult studies, in children we are just getting started: There is scarcity of pediatric robotic rehabilitation devices that are currently available and the number of clinical studies that employ them is also very limited...
May 11, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28501646/developing-a-framework-for-digital-objects-in-the-big-data-to-knowledge-bd2k-commons-report-from-the-commons-framework-pilots-workshop
#20
Kathleen M Jagodnik, Simon Koplev, Sherry Jenkins, Lucila Ohno-Machado, Benedict Paten, Stephan C Schurer, Michel Dumontier, Ruben Verborgh, Alex Bui, Peipei Ping, Neil J McKenna, Ravi Madduri, Ajay Pillai, Avi Ma'ayan
The volume and diversity of data in biomedical research has been rapidly increasing in recent years. While such data hold significant promise for accelerating discovery, their use entails many challenges including: the need for adequate computational infrastructure, secure processes for data sharing and access, tools that allow researchers to find and integrate diverse datasets, and standardized methods of analysis. These are just some elements of a complex ecosystem that needs to be built to support the rapid accumulation of these data...
May 10, 2017: Journal of Biomedical Informatics
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