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https://www.readbyqxmd.com/read/28103632/global-health-and-emergency-care-defining-clinical-research-priorities
#1
Bhakti Hansoti, Adam R Aluisio, Meagan A Barry, Kevin Davey, Brian A Lentz, Payal Modi, Jennifer A Newberry, Melissa H Patel, Tricia A Smith, Alexandra M Vinograd, Adam C Levine
OBJECTIVES: Despite recent strides in the development of Global Emergency Medicine (EM), the field continues to lag in applying a scientific approach to identifying critical knowledge gaps and advancing evidence-based solutions to clinical and public health problems seen in emergency departments worldwide. Here, progress on the Global EM research agenda created at the 2013 Academic Emergency Medicine Global Health and Emergency Care Consensus Conference is evaluated and critical areas for future development in emergency care research internationally are identified...
January 19, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28103564/mograms-a-network-based-methodology-for-visualizing-the-set-of-nondominated-solutions-in-multiobjective-optimization
#2
Krzysztof Trawinski, Manuel Chica, David P Pancho, Sergio Damas, Oscar Cordon
An appropriate visualization of multiobjective nondominated solutions is a valuable asset for decision making. Although there are methods for visualizing the solutions in the design space, they do not provide any information about their relationship. In this paper, we propose a novel methodology that allows the visualization of the nondominated solutions in the design space and their relationships by means of a network. The nodes represent the solutions in the objective space while the edges show the relationships among the solutions in the design space...
January 16, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28103562/a-decision-support-system-for-tele-monitoring-copd-related-worrisome-events
#3
Mario Merone, Claudio Pedone, Giuseppe Capasso, Raffaele Antonelli Incalzi, Paolo Soda
Chronic Obstructive Pulmonary Disease (COPD) is a preventable, treatable and slowly progressive disease, whose course is aggravated by a periodic worsening of symptoms and lung function lasting for several days. The development of home telemonitoring systems has made possible to collect symptoms and physiological data in electronic records, boosting the development of decision support systems (DSSs). Current DSSs work with physiological measurements collected by means of several measuring and communication devices as well as with symptoms gathered by questionnaires submitted to COPD subjects...
January 17, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28103554/robust-neighborhood-preserving-projection-by-nuclear-l2-1-norm-regularization-for-image-feature-extraction
#4
Zhao Zhang, Fanzhang Li, Mingbo Zhao, Li Zhang, Shuicheng Yan
We propose two nuclear- and L2,1-norm regularized two-dimensional neighborhood preserving projection (2DNPP) methods for extracting representative 2D image features. 2DNPP extracts neighborhood preserving features via minimizing the Frobenius norm based reconstruction error that is very sensitive to noise and outliers in data. To make the distance metric more reliable and robust, and encode the neighborhood reconstruction error more accurately, we minimize the nuclear- and L2,1-norm based reconstruction error respectively and measure it over each image...
January 16, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28103499/incarcerated-incisional-hernia-of-the-sigmoid-colon-after-appendectomy-a-case-report
#5
Pyong Wha Choi
INTRODUCTION: Incisional hernia after appendectomy is rare, affecting 0.4% to 0.9% of cases. The small bowel and omentum are commonly herniated through the abdominal wall defect, but incisional hernia of the sigmoid colon is extremely rare. CASE PRESENTATION: A 78-year-old man presented with a right lower quadrant abdominal wall mass on the previous McBurney incision site. He had a history of appendectomy for appendicitis 40 years ago. Computed tomography (CT) showed the sigmoid colon herniated thorough the abdominal wall defect...
January 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28103496/toddlers-action-prediction-statistical-learning-of-continuous-action-sequences
#6
Claire D Monroy, Sarah A Gerson, Sabine Hunnius
The current eye-tracking study investigated whether toddlers use statistical information to make anticipatory eye movements while observing continuous action sequences. In two conditions, 19-month-old participants watched either a person performing an action sequence (Agent condition) or a self-propelled visual event sequence (Ghost condition). Both sequences featured a statistical structure in which certain action pairs occurred with deterministic transitional probabilities. Toddlers learned the transitional probabilities between the action steps of the deterministic action pairs and made predictive fixations to the location of the next action in the Agent condition but not in the Ghost condition...
January 16, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/28103483/dynamic-interaction-between-reinforcement-learning-and-attention-in-multidimensional-environments
#7
Yuan Chang Leong, Angela Radulescu, Reka Daniel, Vivian DeWoskin, Yael Niv
Little is known about the relationship between attention and learning during decision making. Using eye tracking and multivariate pattern analysis of fMRI data, we measured participants' dimensional attention as they performed a trial-and-error learning task in which only one of three stimulus dimensions was relevant for reward at any given time. Analysis of participants' choices revealed that attention biased both value computation during choice and value update during learning. Value signals in the ventromedial prefrontal cortex and prediction errors in the striatum were similarly biased by attention...
January 18, 2017: Neuron
https://www.readbyqxmd.com/read/28103475/a-two-way-street-between-attention-and-learning
#8
Tessa Rusch, Christoph W Korn, Jan Gläscher
In an elegant model-based fMRI study, Leong et al. (2017) demonstrate how attention and learning interact to facilitate value-based decision-making. They combine computational modeling with empirical measures of attentional selection derived from eye-tracking data and multivariate pattern analyses.
January 18, 2017: Neuron
https://www.readbyqxmd.com/read/28103425/efficient-synthesis-of-%C3%AE-galactosyl-oligosaccharides-using-a-mutant-bacteroides-thetaiotaomicron-retaining-%C3%AE-galactosidase-btgh97b
#9
Masayuki Okuyama, Kana Matsunaga, Ken-Ichi Watanabe, Keitaro Yamashita, Takayoshi Tagami, Asako Kikuchi, Min Ma, Patcharapa Klahan, Haruhide Mori, Min Yao, Atsuo Kimura
The preparation of a glycosynthase, a catalytic nucleophile mutant of a glycosidase, is a well-established strategy for the effective synthesis of glycosidic linkages. However, glycosynthases derived from α-glycosidases can give poor yields of desired products because they require generally unstable β-glycosyl fluoride donors. Here, we investigate a transglycosylation catalyzed by a catalytic nucleophile mutant derived from a glycoside hydrolase family (GH) 97 α-galactosidase, using more stable β-galactosyl azide and α-galactosyl fluoride donors...
January 19, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28103327/isolation-characterization-and-evaluation-of-collagen-from-jellyfish-rhopilema-esculentum-kishinouye-for-use-in-hemostatic-applications
#10
Xiaochen Cheng, Ziyu Shao, Chengbo Li, Lejun Yu, Mazhar Ali Raja, Chenguang Liu
Hemostat has been a crucial focus since human body is unable to control massive blood loss, and collagen proves to be an effective hemostat in previous studies. In this study, collagen was isolated from the mesoglea of jellyfish Rhopilema esculentum Kishinouye and its hemostatic property was studied. The yields of acid-soluble collagen (ASC) and pepsin-soluble (PSC) were 0.12% and 0.28% respectively. The SDS-PAGE patterns indicated that the collagen extracted from jellyfish mesoglea was type I collagen. The lyophilized jellyfish collagen sponges were cross-linked with EDC and interconnected networks in the sponges were revealed by scanning electron microscope (SEM)...
2017: PloS One
https://www.readbyqxmd.com/read/28103303/driving-with-intuition-a-preregistered-study-about-the-eeg-anticipation-of-simulated-random-car-accidents
#11
Gian Marco Duma, Giovanni Mento, Tommaso Manari, Massimiliano Martinelli, Patrizio Tressoldi
The study of neural pre-stimulus or "anticipatory" activity opened a new window for understanding how the brain actively constructs the forthcoming reality. Usually, experimental paradigms designed to study anticipatory activity make use of stimuli. The purpose of the present study is to expand the study of neural anticipatory activity upon the temporal occurrence of dichotomic, statistically unpredictable (random) stimuli within an ecological experimental paradigm. To this purpose, we used a simplified driving simulation including two possible, randomly-presented trial types: a car crash end trial and a no car crash end trial...
2017: PloS One
https://www.readbyqxmd.com/read/28103244/some-muirhead-mean-operators-for-intuitionistic-fuzzy-numbers-and-their-applications-to-group-decision-making
#12
Peide Liu, Dengfeng Li
Muirhead mean (MM) is a well-known aggregation operator which can consider interrelationships among any number of arguments assigned by a variable vector. Besides, it is a universal operator since it can contain other general operators by assigning some special parameter values. However, the MM can only process the crisp numbers. Inspired by the MM' advantages, the aim of this paper is to extend MM to process the intuitionistic fuzzy numbers (IFNs) and then to solve the multi-attribute group decision making (MAGDM) problems...
2017: PloS One
https://www.readbyqxmd.com/read/28103228/human-specific-cortical-synaptic-connections-and-their-plasticity-is-that-what-makes-us-human
#13
Joana Lourenço, Alberto Bacci
One outstanding difference between Homo sapiens and other mammals is the ability to perform highly complex cognitive tasks and behaviors, such as language, abstract thinking, and cultural diversity. How is this accomplished? According to one prominent theory, cognitive complexity is proportional to the repetition of specific computational modules over a large surface expansion of the cerebral cortex (neocortex). However, the human neocortex was shown to also possess unique features at the cellular and synaptic levels, raising the possibility that expanding the computational module is not the only mechanism underlying complex thinking...
January 2017: PLoS Biology
https://www.readbyqxmd.com/read/28103199/diagnostic-criteria-for-susac-syndrome
#14
Ilka Kleffner, Jan Dörr, Marius Ringelstein, Catharina C Gross, Yvonne Böckenfeld, Wolfram Schwindt, Benedikt Sundermann, Hubertus Lohmann, Heike Wersching, Julia Promesberger, Natascha von Königsmarck, Anne Alex, Rainer Guthoff, Catharina J M Frijns, L Jaap Kappelle, Sven Jarius, Brigitte Wildemann, Orhan Aktas, Friedemann Paul, Heinz Wiendl, Thomas Duning
BACKGROUND: Susac syndrome is characterised by the triad of encephalopathy with or without focal neurological signs, branch retinal artery occlusions and hearing loss. Establishment of the diagnosis is often delayed because the triad is complete only in a minority of patients at disease onset. This leads to a critical delay in the initiation of appropriate treatment. Our objective was to establish criteria for diagnosis of either definite or probable Susac syndrome. METHOD: The establishment of diagnostic criteria was based on the following three steps: (1) Definition of a reference group of 32 patients with an unambiguous diagnosis of Susac syndrome as assessed by all interdisciplinary experts of the European Susac Consortium (EuSaC) team (EuSaC cohort); (2) selection of diagnostic criteria, based on common clinical and paraclinical findings in the EuSaC cohort and on a review of the literature; and (3) validation of the proposed criteria in the previously published cohort of all Susac cases reported until 2012...
December 2016: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28103191/forward-selection-component-analysis-algorithms-and-applications
#15
Luca Puggini, Sean Mcloone
Principal Component Analysis (PCA) is a powerful and widely used tool for dimensionality reduction. However, the principal components generated are linear combinations of all the original variables and this often makes interpreting results and root-cause analysis difficult. Forward Selection Component Analysis (FSCA) is a recent technique that overcomes this difficulty by performing variable selection and dimensionality reduction at the same time. This paper provides, for the first time, a detailed presentation of the FSCA algorithm, and introduces a number of new variants of FSCA that incorporate a refinement step to improve performance...
January 5, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28103165/burn-wound-healing-present-concepts-treatment-strategies-and-future-directions
#16
A Oryan, E Alemzadeh, A Moshiri
Burns are the most extensive forms of soft tissue injuries occasionally resulting in extensive and deep wounds and death. Burns can lead to severe mental and emotional distress, because of excessive scarring and skin contractures. Treatment of burns has always been a difficult medical problem and many different methods have been used to treat such injuries, locally. Biofilms are a collection of microorganisms that delay wound healing. One of the new methods of prevention and treatment of burn wound infections is application of antimicrobials, which act on biofilms and prevent the wound infection...
January 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28103155/using-art-in-an-intergenerational-program-to-improve-students-attitudes-toward-people-with-dementia
#17
Elizabeth Lokon, Yue Li, Jyotsana Parajuli
This study explored the effects of participating in an intergenerational service learning program called Opening Mind through Arts (OMA) on college students' attitudes toward people with dementia. In this program, students were paired one-on-one with elders who have dementia to support the elders' creation of visual art projects. They met weekly for one semester. The Dementia Attitude Scale was administered at the beginning and end of the semester to measure changes in students' attitudes. The study included 156 students participating in OMA and assessed if their participation makes a difference in the degree of change in overall attitudes, knowledge and comfort level toward people with dementia...
January 19, 2017: Gerontology & Geriatrics Education
https://www.readbyqxmd.com/read/28103138/discovery-of-a-novel-splice-variant-of-fcar-cd89-unravels-sequence-segments-necessary-for-efficient-secretion-a-story-of-bad-signal-peptides-and-good-ones-that-nevertheless-do-not-make-it
#18
Wai-Heng Lua, Wei-Li Ling, Chinh Tran-To Su, Joshua Yi Yeo, Chandra Shekhar Verma, Birgit Eisenhaber, Frank Eisenhaber, Samuel Ken-En Gan
The IgA receptor, Fcar (CD89) consists of five sequence segments: two segments (S1, S2) forming the potential signal peptide, two extracellular EC domains that include the IgA binding site, and the transmembrane and cytoplasmic tail (TM/C) region. Numerous Fcar splice variants have been reported with various combinations of the sequence segments mentioned above. Here, we report a novel splice variant termed variant APD isolated from a healthy volunteer that lacks only the IgA-binding EC1 domain. Despite possessing the complete signal peptide S1+S2, the variant APD is only found in the intracellular space whereas the wild-type variant 1 is efficiently secreted and variant 4 leaks to the extracellular space...
January 19, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28103108/secondary-school-students-knowledge-and-opinions-on-astrobiology-topics-and-related-social-issues
#19
Raquel Oreiro, Jordi Solbes
Astrobiology is the study of the origin of life on Earth and the distribution of life in the Universe. Its multidisciplinary approach, social and philosophical implications, and appeal within the discipline and beyond make astrobiology a uniquely qualified subject for general science education. In this study, student knowledge and opinions on astrobiology topics were investigated. Eighty-nine students in their last year of compulsory education (age 15) completed a written questionnaire that consisted of 10 open questions on the topic of astrobiology...
January 2017: Astrobiology
https://www.readbyqxmd.com/read/28103078/improvement-of-phytoremediation-of-an-aged-petroleum-hydrocarbon-contaminated-soil-by-rhodococcus-erythropolis-cd-106-strain
#20
Tomasz Płociniczak, Ewa Fic, Magdalena Pacwa-Płociniczak, Małgorzata Pawlik, Zofia Piotrowska-Seget
The aim of this study was to assess the impact of soil inoculation with the Rhodococcus erythropolis CD 106 strain on the effectiveness of the phytoremediation of an aged hydrocarbon-contaminated (approx. 1% TPH) soil using ryegrass (Lolium perenne). The introduction of CD 106 into the soil significantly increased the biomass of ryegrass and the removal of hydrocarbons in planted soil. The fresh weight of the shoots and roots of plants inoculated with CD 106 increased by 49 and 30%, respectively. After 210 days of the experiment, the concentration of TPH was reduced by 31...
January 19, 2017: International Journal of Phytoremediation
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