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https://www.readbyqxmd.com/read/28103598/coronavirus-infections-in-the-central-nervous-system-and-respiratory-tract-show-distinct-features-in-hospitalized-children
#1
Yuanyuan Li, Haipeng Li, Ruyan Fan, Bo Wen, Jian Zhang, Xiaoying Cao, Chengwu Wang, Zhanyi Song, Shuochi Li, Xiaojie Li, Xinjun Lv, Xiaowang Qu, Renbin Huang, Wenpei Liu
BACKGROUND/AIMS: Coronavirus (CoV) infections induce respiratory tract illnesses and central nervous system (CNS) diseases. We aimed to explore the cytokine expression profiles in hospitalized children with CoV-CNS and CoV-respiratory tract infections. METHODS: A total of 183 and 236 hospitalized children with acute encephalitis-like syndrome and respiratory tract infection, respectively, were screened for anti-CoV IgM antibodies. The expression profiles of multiple cytokines were determined in CoV-positive patients...
January 20, 2017: Intervirology
https://www.readbyqxmd.com/read/28103568/on-the-exploration-of-information-from-the-dtw-cost-matrix-for-online-signature-verification
#2
Abhishek Sharma, Suresh Sundaram
This paper explores the utility of information derived from the dynamic time warping (DTW) cost matrix for the problem of online signature verification. The prior works in literature primarily utilize only the DTW scores to authenticate a test signature. To the best of our knowledge, the characteristics of the warping path (used for the alignment) in the cost matrix is hardly exploited for verification of online signatures. Accordingly, we devise a score that utilizes the information from the cost matrix and warping path alignments...
January 17, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28103561/statistical-shape-modeling-of-the-left-ventricle-myocardial-infarct-classification-challenge
#3
Avan Suinesiaputra, Pierre Ablin, Xenia Alba, Martino Alessandrini, Jack Allen, W Bai, Serkan Cimen, Peter Claes, Brett R Cowan, Jan D'hooge, Nicolas Duchateau, Jan Ehrhardt, Alejandro F Frangi, Ali Gooya, Vicente Grau, Karim Lekadir, Allen Lu, Anirban Mukhopadhyay, Ilkay Oksuz, Xavier Pennec, Marco Pereanez, Catarina Pinto, Paolo Piras, Marc-Michel Rohe, Daniel Rueckert, Maxime Sermesant, Kaleem Siddiqi, Mahdi Tabassian, Luciano Teresi, Sotirios A Tsaftaris, Matthias Wilms, Alistair A Young, Xingyu Zhang, Pau Medrano-Gracia
Statistical shape modeling is a powerful tool for visualizing and quantifying geometric and functional patterns of the heart. After myocardial infarction (MI), the left ventricle typically remodels in response to physiological challenges. Several methods have been proposed in the literature to describe statistical shape changes. Which method best characterizes left ventricular remodeling after MI is an open research question. A better descriptor of remodeling is expected to provide a more accurate evaluation of disease status in MI patients...
January 17, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28103491/chemically-activated-carbon-from-lignocellulosic-wastes-for-heavy-metal-wastewater-remediation-effect-of-activation-conditions
#4
Arunima Nayak, Brij Bhushan, Vartika Gupta, P Sharma
Chemical activation is known to induce specific surface features of porosity and functionality which play a definite role in enhancing the adsorptive potential of the developed activated carbons. Different conditions of temperature, time, reagent type and impregnation ratio were applied on sawdust precursor and their effect on the physical, surface chemical features and finally on the adsorption potential of the developed activated carbons were analysed. Under activation conditions of 600°C, 1hr, 1:0.5 ratio, ZnCl2 impregnated carbon (CASD_ZnCl2) resulted in microporosity while KOH impregnation (CASD_KOH) yielded a carbon having a wider pore size distribution...
January 10, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28103461/-hashimoto-thyroiditis-and-periodontal-disease-a-narrative-review
#5
REVIEW
Ana Morais, Marta Resende, José Pereira
INTRODUCTION: Currently there is a growing interest in studying systemic conditions with impact on the periodontium. The aim of this article is to determinate if there is a relation between Hashimoto's thyroiditis and periodontal disease. MATERIAL AND METHODS: Founded on periodontology based on evidence and in the combination of the keywords: 'Hashimoto disease'; 'Hypothyroidism'; 'Periodontal disease'; 'Systemic Diseases'; a search and evaluation of articles was conducted in Medline, Scopus and Thomson Reuters databases, selecting 30 articles for integral analysis...
October 31, 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28103448/bedside-contribution-of-electrical-impedance-tomography-to-set-positive-end-expiratory-pressure-for-ecmo-treated-severe-ards-patients
#6
Guillaume Franchineau, Nicolas Bréchot, Guillaume Lebreton, Guillaume Hekimian, Ania Nieszkowska, Jean-Louis Trouillet, Pascal Leprince, Jean Chastre, Charles-Edouard Luyt, Alain Combes, Matthieu Schmidt
RATIONALE: Optimal positive end-expiratory pressure (PEEP) is unknown in severe acute respiratory distress syndrome (ARDS) patients on extracorporeal membrane oxygenation (ECMO) receiving mechanical ventilation with very low tidal volume. OBJECTIVES: To evaluate electrical impedance tomography's (EIT) ability to monitor a PEEP trial and to derive from EIT the best compromise PEEP in this setting. METHODS: A decremental PEEP trial (20-0 cmH2O) in 5 cmH2O steps was monitored by EIT, with lung images divided into four ventral-to-dorsal horizontal regions of interest...
January 19, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28103391/bedside-to-bench-re-thinking-nursing-research
#7
EDITORIAL
Seamus Cowman
There is very little clarity or agreement in the nursing profession on the best way to teach and examine students on research understanding, let alone develop and appraise nursing research application to patient care. Nursing research, in the curriculum, is a patchwork of interpretation, and in application it is delivered with varied levels of complexity across schools of Nursing and Midwifery, often with disregard to distinguishing undergraduate from postgraduate research teaching. This is not uncommon in health professions education, as this lack of clarity on teaching research also extends to medical schools...
January 19, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28103283/orthogonal-procrustes-analysis-for-dictionary-learning-in-sparse-linear-representation
#8
Giuliano Grossi, Raffaella Lanzarotti, Jianyi Lin
In the sparse representation model, the design of overcomplete dictionaries plays a key role for the effectiveness and applicability in different domains. Recent research has produced several dictionary learning approaches, being proven that dictionaries learnt by data examples significantly outperform structured ones, e.g. wavelet transforms. In this context, learning consists in adapting the dictionary atoms to a set of training signals in order to promote a sparse representation that minimizes the reconstruction error...
2017: PloS One
https://www.readbyqxmd.com/read/28103255/mitigating-diseases-transmitted-by-aedes-mosquitoes-a-cluster-randomised-trial-of-permethrin-impregnated-school-uniforms
#9
Pattamaporn Kittayapong, Phanthip Olanratmanee, Pongsri Maskhao, Peter Byass, James Logan, Yesim Tozan, Valérie Louis, Duane J Gubler, Annelies Wilder-Smith
BACKGROUND: Viral diseases transmitted via Aedes mosquitoes are on the rise, such as Zika, dengue, and chikungunya. Novel tools to mitigate Aedes mosquitoes-transmitted diseases are urgently needed. We tested whether commercially insecticide-impregnated school uniforms can reduce dengue incidence in school children. METHODS: We designed a cluster-randomised controlled trial in Thailand. The primary endpoint was laboratory-confirmed dengue infections. Secondary endpoints were school absenteeism; and impregnated uniforms' 1-hour knock-down and 24 hour mosquito mortality as measured by standardised WHOPES bioassay cone tests at baseline and after repeated washing...
January 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28103144/role-of-different-natural-antioxidants-in-the-modulation-of-mrna-expression-of-apoptotic-molecules-in-the-livers-of-carbon-tetrachloride-intoxicated-rats
#10
Nouf M Al-Rasheed, Naglaa F El-Orabi, Laila Mohamed Fadda, Hanaa Mahmoud Ali, Nawal M Al-Rasheed, Yieldez Bassiouni, Abeer Mohammad Aldbass
Overexpression of nuclear factor (NF-κB) or activation of Smad3 by transforming growth factor β (TGF-β1) induced by oncogenes results in overexpression of fibrotic processes and hence cell death. The objective of this study is to examine whether Silymarin (Sil) alone or in combination with Vitamin E (Vit E) and/or Curcumin (Cur) plays a modulatory role against the overexpression of NF-κB, and TGF-β that induced in response to carbon tetrachloride (CCl4) administration. The present work revealed that CCl4 induced elevation of in serum alanine aminotransferase (ALT), Apoptosis regulator (Bax), Smad3, TGF-β, and NF-kB hepatic mRNA expression (using Real-time PCR), administration of Sil alone downregulated these expressions...
January 19, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/28103141/modification-of-the-genome-of-domestic-animals
#11
Samantha N Lotti, Kathryn M Polkoff, Marcello Rubessa, Matthew B Wheeler
In the past few years, new technologies have arisen that enable higher efficiency of gene editing. With the increase ease of using gene editing technologies, it is important to consider the best method for transferring new genetic material to livestock animals. Microinjection is a technique that has proven to be effective in mice but is less efficient in large livestock animals. Over the years, a variety of methods have been used for cloning as well as gene transfer including; nuclear transfer, sperm mediated gene transfer (SMGT), and liposome-mediated DNA transfer...
January 19, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/28103063/delivering-on-the-promise-of-smoke-free-public-housing
#12
Douglas E Levy, Inez F Adams, Gary Adamkiewicz
On November 30, 2016, the US Department of Housing and Urban Development (HUD) published a final rule mandating that public housing authorities it supports prohibit all smoking on their residential premises, including within residents' apartments. The primary rationale for this action was to protect nonsmoking residents from the harms of tobacco smoke exposure. Although the harms of secondhand smoke are clear and the potential for reducing nonsmoking residents' exposure is real, it will be no simple matter to successfully implement the policy requirements set down by HUD...
January 19, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28103025/identification-of-the-first-selective-activin-receptor-like-kinase-1-inhibitor-a-reversible-version-of-l-783277
#13
Hanna Cho, Sandip Sengupta, Sean Sh Jeon, Wooyoung Hur, Hwan Geun Choi, Hong Seog Seo, Byung Joo Lee, Jeong Hun Kim, Minhwan Chung, Noo Li Jeon, Nam Doo Kim, Taebo Sim
We synthesized 1 (San78-130), a reversible version of L-783277, as a selective and potent ALK1 inhibitor. Our study showed that 1 possesses great kinase selectivity against a panel of 342 kinases and more potent activity against ALK1 than L-783277. Among the six ALK isotypes (ALK1-6), ALK1 is most significantly inhibited by compound 1. Compound 1 suppresses the BMP9-induced Smad1/5 pathway by mainly inhibiting ALK1 in C2C12 cells. Our molecular dynamics simulations suggest that H-bonding interaction between the C-4' hydroxyl group of 1 and Arg334 of ALK1 substantially contributes to the ALK1 inhibition...
January 19, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28103021/efficient-removal-of-methane-over-the-cobalt-monoxide-doped-aupd-nanocatalysts
#14
Shaohua Xie, Yuxi Liu, Jiguang Deng, Simiao Zang, Zhenhua Zhang, Hamidreza Arandiyan, Hongxing Dai
Catalytic total oxidation of CH4 at a relatively low temperature over the precious metal (e.g., Pd-, Rh- or Pt)-based catalyst is believed to be a potential technology for the removal of greenhouse gas CH4. The traditional Pd-based catalysts for CH4 combustion reported in the literature tend to deactivate at high temperatures (> 600 °C), because the PdOx active phase is easily changed into aggregated metallic Pd nanoparticles (NPs). The high cost of Pd also limits its wide applications. In order to overcome such drawbacks, we herein design a novel pathway by introducing a certain amount of CoO to the supported Au-Pd alloy NPs to generate high-performance Au-Pd-xCoO/3DOM Co3O4 (x is the Co/Pd molar ratio) catalysts...
January 19, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28102946/a-portal-dosimetry-dose-prediction-method-based-on-collapsed-cone-algorithm-using-the-clinical-beam-model
#15
J Martínez Ortega, N Gómez González, P Castro Tejero, M Pinto Monedero, N B Tolani, L Núñez Martín, R Sánchez Montero
PURPOSE: Amorphous silicon electronical portal imaging devices (EPIDs) are widely used for dosimetric measurements in Radiation Therapy. The purpose of this work was to determine if a portal dose prediction method can be utilized for dose map calculations based on the linear accelerator model within a commercial treatment planning system (Pinnacle(3) v8.0 m). METHODS: The method was developed for a 6 MV photon beam on the Varian Clinac 21-EX, at a nominal dose rate of 400 MU/min...
January 2017: Medical Physics
https://www.readbyqxmd.com/read/28102943/comparison-of-five-cluster-validity-indices-performance-in-brain-18-f-fet-pet-image-segmentation-using-k-means
#16
Bedor Abualhaj, Guoyang Weng, Melissa Ong, Ali Asgar Attarwala, Flavia Molina, Karen Büsing, Gerhard Glatting
PURPOSE: Dynamic [(18) F]fluoro-ethyl-L-tyrosine positron emission tomography ([(18) F]FET-PET) is used to identify tumor lesions for radiotherapy treatment planning, to differentiate glioma recurrence from radiation necrosis and to classify gliomas grading. To segment different regions in the brain k-means cluster analysis can be used. The main disadvantage of k-means is that the number of clusters must be pre-defined. In this study, we therefore compared different cluster validity indices for automated and reproducible determination of the optimal number of clusters based on the dynamic PET data...
January 2017: Medical Physics
https://www.readbyqxmd.com/read/28102938/low-energy-catalytic-electrolysis-for-simultaneously-hydrogen-evolution-and-lignin-depolymerization
#17
Xu Du, Wei Liu, Zhe Zhang, Arie Mulyadi, Alex Brittain, Jian Gong, Yulin Deng
Hereby we present a novel proton exchange membrane (PEM) electrolysis process in which lignin was used as the hydrogen source at anode for hydrogen production. Either polyoxometalate (POM) or FeCl3 was used as the catalysts and charge transfer agents in anode. Over 90% Faraday efficiency was achieved. In a thermal insulation reactor, the heat energy can be maintained at a very low stage for continuous operation. Compared to the best alkaline water electrolysis reported in literature, the electrical energy consumption could be 40% lower with novel lignin electrolysis method...
January 19, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28102933/what-if-a-tumor-is-significantly-enlarged-just-before-stereotactic-body-radiation-therapy-a-case-report-and-review-of-the-literature
#18
Hung-Jen Chen, Ji-An Liang, Chih-Yi Chen, Yang-Hao Yu, Chun-Ru Chien
Stereotactic body radiation therapy (SBRT) plays an important role in early stage non-small cell lung cancer. Tumor growth before radiotherapy planning (RTP) or during SBRT has been reported in lung cancer patients; however, little is known of growth during the period in-between (i.e. after RTP but before SBRT). An 83-year-old man referred to our hospital and diagnosed with medically inoperable non-small cell lung cancer was noted to have significant tumor progression on day 1 of cone beam computed tomography just before the planned SBRT delivery...
November 18, 2016: Thoracic Cancer
https://www.readbyqxmd.com/read/28102924/current-practices-related-to-family-presence-during-acute-deterioration-in-adult-emergency-department-patients
#19
Megan J Youngson, Judy Currey, Julie Considine
AIMS: To explore the characteristics and interactions of clinicians, patients and family members during management of the deteriorating adult patient in the Emergency Department. BACKGROUND: Previous research into family presence during resuscitation has identified many positive outcomes when families are included. However, over that last three decades the epidemiology of acute clinical deterioration has changed, with a decrease in in-hospital cardiac arrests and an increase in acute clinical deterioration...
January 19, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28102908/addressing-critical-gaps-in-the-treatment-of-eating-disorders
#20
REVIEW
Alan E Kazdin, Ellen E Fitzsimmons-Craft, Denise E Wilfley
Remarkable progress has been made in developing psychosocial interventions for eating disorders and other mental disorders. Two priorities in providing treatment consist of addressing the research-practice gap and the treatment gap. The research-practice gap pertains to the dissemination of evidence-based treatments from controlled settings to routine clinical care. Closing the gap between what is known about effective treatment and what is actually provided to patients who receive care is crucial in improving mental health care, particularly for conditions such as eating disorders...
January 19, 2017: International Journal of Eating Disorders
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