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https://www.readbyqxmd.com/read/28448925/geostatistics-as-a-tool-to-improve-the-natural-background-level-definition-an-application-in-groundwater
#1
Nico Dalla Libera, Paolo Fabbri, Leonardo Mason, Leonardo Piccinini, Marco Pola
The Natural Background Level (NBL), suggested by UE BRIDGE project, is suited for spatially distributed datasets providing a regional value that could be higher than the Threshold Value (TV) set by every country. In hydro-geochemically dis-homogeneous areas, the use of a unique regional NBL, higher than TV, could arise problems to distinguish between natural occurrences and anthropogenic contaminant sources. Hence, the goal of this study is to improve the NBL definition employing a geostatistical approach, which reconstructs the contaminant spatial structure accounting geochemical and hydrogeological relationships...
April 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28448253/a-map-of-abstract-relational-knowledge-in-the-human-hippocampal-entorhinal-cortex
#2
Mona M Garvert, Raymond J Dolan, Timothy Ej Behrens
The hippocampal-entorhinal system encodes a map of space that guides spatial navigation. Goal-directed behaviour outside of spatial navigation similarly requires a representation of abstract forms of relational knowledge. This information relies on the same neural system, but it is not known whether the organisational principles governing continuous maps may extend to the implicit encoding of discrete, non-spatial graphs. Here, we show that the human hippocampal-entorhinal system can represent relationships between objects using a metric that depends on associative strength...
April 27, 2017: ELife
https://www.readbyqxmd.com/read/28445100/remap-a-framework-for-goals-of-care-conversations
#3
Julie W Childers, Anthony L Back, James A Tulsky, Robert M Arnold
Conversations regarding goals of care with patients who have advanced cancer still occur too late, and oncologists say they lack the training to have these conversations effectively. Experts recommend a number of strategies when having these discussions, including discussing prognosis, responding to patient emotion, exploring values, and often making a recommendation for medical treatments that fit those values. To help learners, from residents to attending oncologists, learn these complex conversational skills, we have developed a framework with a mnemonic, REMAP: Reframe, Expect emotion, Map out patient goals, Align with goals, and Propose a plan...
April 26, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28444469/modelling-the-unaids-90-90-90-treatment-cascade-for-gay-bisexual-and-other-men-who-have-sex-with-men-in-south-africa-using-the-findings-of-a-data-triangulation-process-to-map-a-way-forward
#4
Andrew Scheibe, Michael Grasso, Henry Fisher Raymond, Albert Manyuchi, Thomas Osmand, Tim Lane, Helen Struthers
A data triangulation exercise was carried out between 2013 and 2015 to assess the HIV epidemic and response among gay, bisexual and other men who have sex with men (GBMSM) in South Africa. We used the findings to assess progress in achieving the UNAIDS 90-90-90 goals for GBMSM in the country. Three scenarios were developed using different GBMSM population factors (2.0, 3.5 and 5.0% of males aged ≥15) to estimate the population size, HIV prevalence of 13.2-49.5%, and 68% of GBMSM knowing their status. Due to data gaps, general population data were used as estimates of GBMSM on antiretroviral therapy (ART) and virologically suppressed (25...
April 25, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28443805/-a-population-targeted-approach-to-connect-prevention-care-and-welfare-visualising-the-trend
#5
L C Lemmens, H W Drewes, M Lette, C A Baan
OBJECTIVE: To map initiatives in the Netherlands using a population-targeted approach to link prevention, care and welfare. DESIGN: Descriptive investigation, based on conversations and structured interviews. METHOD: We searched for initiatives in which providers in the areas of prevention, care and welfare together with health insurers and/or local authorities attempted to provide the 'triple aim': improving the health of the population and the quality of care, and managing costs...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28441559/hydra-imaging-nerve-nets-in-action
#6
Ni Ji, Steven W Flavell
Mapping whole-brain activity during behavior represents one of the biggest and most exciting challenges of systems neuroscience. New research has taken advantage of the unique biology of an ancient organism to bring us a step closer to that goal.
April 24, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28439857/assessing-distribution-and-variation-of-genome-wide-dna-methylation-using-short-read-sequencing
#7
Jörg Hagmann, Claude Becker
DNA methylation is one of the most prominent epigenetic marks and is particularly complex in plant genomes. Whole-genome bisulfite sequencing (WGBS) using short reads has become the standard tool to study genome-wide patterns of DNA methylation. The goal of the present protocol is to enable readers to perform WGBS on both the wet lab and the computational side. We briefly outline important steps in bisulfite library preparation, then focus on the different aspects of DNA methylation analysis, from read mapping to identifying biologically relevant differential methylation between different samples...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28438707/contributions-of-the-parietal-cortex-to-increased-efficiency-of-planning-based-action-selection
#8
Jennifer Randerath, Kenneth Valyear, Benjamin A Philip, Scott H Frey
Response selection is foundational to adaptive behavior, and considerable attention has been devoted to investigating this behavior under conditions in which the mapping between stimuli and responses is fixed. Results from prior studies implicate the left supramarginal gyrus (SMg), premotor and prefrontal cortices, as well as the cerebellum in this essential function. Yet, many goal-directed motor behaviors have multiple solutions with flexible mappings between stimuli and responses whose solutions are believed to involve prospective planning...
April 21, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28434835/use-of-a-bicortical-button-to-safely-repair-the-distal-biceps-in-a-two-incision-approach-a-cadaveric-analysis
#9
Jonathan D Barlow, Ryan J McNeilan, Amy Speeckaert, Corey T Beals, Hisham M Awan
PURPOSE: No consensus has been reached on the most effective anatomic approach or fixation method for distal biceps repair. It is our hypothesis that, using a cortical biceps button through a 2-incision technique, the distal biceps can be safely and anatomically repaired. METHODS: A 2-incision biceps button distal biceps repair was completed on 10 fresh-frozen cadavers. The proximity of the guide pin to the critical structures of the forearm, including the posterior interosseous nerve and recurrent radial artery, was measured...
April 20, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28434153/machine-learning-xgboost-analysis-of-language-networks-to-classify-patients-with-epilepsy
#10
L Torlay, M Perrone-Bertolotti, E Thomas, M Baciu
Our goal was to apply a statistical approach to allow the identification of atypical language patterns and to differentiate patients with epilepsy from healthy subjects, based on their cerebral activity, as assessed by functional MRI (fMRI). Patients with focal epilepsy show reorganization or plasticity of brain networks involved in cognitive functions, inducing 'atypical' (compared to 'typical' in healthy people) brain profiles. Moreover, some of these patients suffer from drug-resistant epilepsy, and they undergo surgery to stop seizures...
April 22, 2017: Brain Informatics
https://www.readbyqxmd.com/read/28433835/the-relationship-between-pre-verbal-event-representations-and-semantic-structures-the-case-of-goal-and-source-paths
#11
Laura Lakusta, Danielle Spinelli, Kathryn Garcia
We explored the nature of infants' concepts for goal path and source path in motion events (e.g., the duck moved into the bowl/out of the bowl), specifically asking how infants' representations could support the acquisition of the semantic roles of goal path and source path in language. The results showed that 14.5-month-old infants categorized goal paths across different motion events (moving to X, moving on Y), and they also categorized source paths if the source reference objects were highly salient (relatively large in size and colorful)...
April 20, 2017: Cognition
https://www.readbyqxmd.com/read/28433644/supraspinal-respiratory-plasticity-following-acute-cervical-spinal-cord-injury
#12
Tatiana Bezdudnaya, Vitaliy Marchenko, Lyandysha V Zholudeva, Victoria M Spruance, Michael A Lane
Impaired breathing is a devastating result of high cervical spinal cord injuries (SCI) due to partial or full denervation of phrenic motoneurons, which innervate the diaphragm - a primary muscle of respiration. Consequently, people with cervical level injuries often become dependent on assisted ventilation and are susceptible to secondary complications. However, there is mounting evidence for limited spontaneous recovery of respiratory function following injury, demonstrating the neuroplastic potential of respiratory networks...
April 19, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28432601/neuropathic-pain-central-vs-peripheral-mechanisms
#13
REVIEW
Kathleen Meacham, Andrew Shepherd, Durga P Mohapatra, Simon Haroutounian
PURPOSE OF REVIEW: Our goal is to examine the processes-both central and peripheral-that underlie the development of peripherally-induced neuropathic pain (pNP) and to highlight recent evidence for mechanisms contributing to its maintenance. While many pNP conditions are initiated by damage to the peripheral nervous system (PNS), their persistence appears to rely on maladaptive processes within the central nervous system (CNS). The potential existence of an autonomous pain-generating mechanism in the CNS creates significant implications for the development of new neuropathic pain treatments; thus, work towards its resolution is crucial...
June 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28426437/supersonic-transient-magnetic-resonance-elastography-for-quantitative-assessment-of-tissue-elasticity
#14
Yu Liu, Jingfei Liu, Brett Z Fite, Josquin Foiret, Asaf Ilovitsh, J Kent Leach, Erik Dumont, Charles F Caskey, Katherine W Ferrara
Non-invasive, quantitative methods to assess the properties of biological tissues are needed for many therapeutic and tissue engineering applications. Magnetic resonance elastography (MRE) has historically relied on external vibration to generate periodic shear waves. In order to focally assess a biomaterial or to monitor the response to ablative therapy, the interrogation of a specific region of interest by a focused beam is desirable and transient MRE (t-MRE) techniques have previously been developed to accomplish this goal...
April 20, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28424372/effects-of-drought-stress-on-global-gene-expression-profile-in-leaf-and-root-samples-of-dongxiang-wild-rice-oryza-rufipogon
#15
Fantao Zhang, Yi Zhou, Meng Zhang, Xiangdong Luo, Jiankun Xie
Drought is a serious constraint to rice production throughout the world, and although Dongxiang wild rice ( Oryza rufipogon , DXWR) possesses a high degree of drought resistance, the underlying mechanisms of this trait remains unclear. In the present study, cDNA libraries were constructed from the leaf and root tissues of drought-stressed and untreated DXWR seedlings, and transcriptome sequencing was performed with the goal of elucidating the molecular mechanisms involved in drought stress response. The results indicated that 11,231 transcripts were differentially expressed in the leaves (4,040 up-regulated and 7,191 down-regulated) and 7,025 transcripts were differentially expressed in the roots (3,097 up-regulated and 3,928 down-regulated)...
April 19, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28423835/snomed-ct-as-reference-terminology-in-the-danish-national-home-care-documentation-standard
#16
Kirstine Rosenbeck Gøeg, Pia Britt Elberg, Anne Randorff Højen, Ulla Lund Eskildsen
In Danish home care, multiple professions deliver services to citizens. FSIII is a national home care documentation standard, where one of the goals is to share documentation to improve coordination between these professional groups and avoid double documentation. The aim of this study was to develop a SNOMED-CT based navigation hierarchy to ensure that professions could preserve their documentation practice, to help avoid double documentation, and to ensure that the technical implementation did not require sophisticated semantic tools...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28418683/physical-characterization-of-tobramycin-inhalation-powder-ii-state-diagram-of-an-amorphous-engineered-particle-formulation
#17
Dan Miller, Trixie Tan, John Nakamura, Richard Malcolmson, Tom Tarara, Jeff Weers
Tobramycin Inhalation Powder (TIP) is a spray-dried engineered particle formulation used in TOBI® Podhaler®, a drug/device combination for treatment of cystic fibrosis. A TIP particle consists of two phases: amorphous, glassy tobramycin sulfate and a gel-phase phospholipid (DSPC). The objective of this work was to characterize both the amorphous and gel phases following exposure of TIP to a broad range of relative humidity and temperature. Because, in principle, changes in either particle morphology or the solid-state form of the drug could affect drug delivery or biopharmaceutical properties, understanding physical stability was critical to development and registration of this product...
April 18, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28413954/computational-models-for-understanding-of-structure-function-and-pharmacology-of-the-cardiac-potassium-channel-kv11-1-herg
#18
Sören Wacker, Sergei Yu Noskov, Laura L Perissinotti
The rapid delayed rectifier current IKr is one of the major K+ currents involved into repolarization of the human cardiac action potential. Various inherited or drug-induced forms of the long QT syndrome (LQTS) in humans are linked to functional and structural modifications in the IKr conducting channels. IKr is carried by the potassium channel Kv11.1 encoded by the gene KCNH2 (commonly referred to as human ether-a-go-go-related gene or hERG) [1][2]. The first necessary step for predicting emergent drug effects on the heart is determining and modeling the binding thermodynamics and kinetics of primary and major off-target drug interactions with subcellular targets...
April 14, 2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28406908/considering-land-tenure-in-redd-participatory-measurement-reporting-and-verification-a-case-study-from-indonesia
#19
Mary Elizabeth Felker, Indah Waty Bong, Walker Holton DePuy, Lina Farida Jihadah
Measurement, Reporting, and Verification (MRV) systems are thought to be essential for effective carbon accounting and joint REDD+ carbon, conservation, and social development goals. Community participation in MRV (PMRV) has been shown to be both cost effective and accurate, as well as a method to potentially advance stakeholder empowerment and perceptions of legitimacy. Recognizing land tenure as a long-standing point of tension in REDD+ planning, we argue that its engagement also has a key role to play in developing a legitimate PMRV...
2017: PloS One
https://www.readbyqxmd.com/read/28406202/finding-pathways-to-national-scale-land-sector-sustainability
#20
Lei Gao, Brett A Bryan
The 17 Sustainable Development Goals (SDGs) and 169 targets under Agenda 2030 of the United Nations map a coherent global sustainability ambition at a level of detail general enough to garner consensus amongst nations. However, achieving the global agenda will depend heavily on successful national-scale implementation, which requires the development of effective science-driven targets tailored to specific national contexts and supported by strong national governance. Here we assess the feasibility of achieving multiple SDG targets at the national scale for the Australian land-sector...
April 12, 2017: Nature
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