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https://www.readbyqxmd.com/read/29353289/the-new-agreement-of-the-international-riga-consensus-conference-on-nasal-airway-function-tests
#1
K Vogt, G Bachmann-Harildstad, A Lintermann, A Nechyporenko, F Peters, K D Wernecke
The report reflects an agreement based on the consensus conference of the International Standardization Committee on the Objective Assessment of the Nasal Airway in Riga, 2nd Nov. 2016. The aim of the conference was to address the existing nasal airway function tests and to take into account physical, mathematical and technical correctness as a base of international standardization as well as the requirements of the Council Directive 93/42/EEC of 14 June 1993 concerning medical devices. Rhinomanometry, acoustic rhinometry, peak nasal inspiratory flow, Odiosoft-Rhino, optical rhinometry, 24-h measurements, computational fluid dynamics, nasometry and the mirrow test were evaluated for important diagnostic criteria, which are the precision of the equipment including calibration and the software applied; validity with sensitivity, specificity, positive and negative predictive values, reliability with intra-individual and inter-individual reproducibility and responsiveness in clinical studies...
January 21, 2018: Rhinology
https://www.readbyqxmd.com/read/29352405/virus-particle-detection-by-convolutional-neural-network-in-transmission-electron-microscopy-images
#2
Eisuke Ito, Takaaki Sato, Daisuke Sano, Etsuko Utagawa, Tsuyoshi Kato
A new computational method for the detection of virus particles in transmission electron microscopy (TEM) images is presented. Our approach is to use a convolutional neural network that transforms a TEM image to a probabilistic map that indicates where virus particles exist in the image. Our proposed approach automatically and simultaneously learns both discriminative features and classifier for virus particle detection by machine learning, in contrast to existing methods that are based on handcrafted features that yield many false positives and require several postprocessing steps...
January 19, 2018: Food and Environmental Virology
https://www.readbyqxmd.com/read/29351948/order-from-chaos-unravelling-the-determinants-of-mixed-martial-arts-performance
#3
Lachlan Peter James
No abstract text is available yet for this article.
January 19, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29351672/high-treatment-success-rate-among-multidrug-resistant-tuberculosis-patients-in-myanmar-2012-2014-a-retrospective-cohort-study
#4
Myat K Thu, Ajay M V Kumar, Kyaw T Soe, Saw Saw, Saw Thein, Zaw Mynit, Htet M W Maung, Si T Aung
Background: Since 2011, Myanmar has adopted domiciliary care for multidrug-resistant tuberculosis (MDR-TB) patients and implemented several patient-support measures such as community-based directly observed treatment, nutritional support and financial incentives for patients and providers. We assessed treatment outcomes among MDR-TB patients registered for treatment in the Yangon and Mandalay Regions of Myanmar during 2012-2014 and factors associated with unfavourable treatment outcomes...
January 17, 2018: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29350639/dynamic-mri-in-the-evaluation-of-the-spine-state-of-the-art
#5
Giulia Michelini, Antonella Corridore, Silvia Torlone, Federico Bruno, Claudia Marsecano, Raffaella Capasso, Ferdinando Caranci, Antonio Barile, Carlo Masciocchi, Alessandra Splendiani
INTRODUCTION: Degenerative disease of the spine is a generic term encompassing a wide range of different disease processes, which leads to spinal instability; traumatic/neoplastic events can accelerate this aging process. Therefore, the dynamic nature of the spine and its mobility across multiple segments is difficult to depict with any single imaging modality. METHODS: A review of PubMed databases for articles published about kMRI in patients with cervical and lumbar spinal desease was performed...
January 19, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29350465/proteomics-analysis-of-skeletal-muscle-from-leptin-deficient-ob-ob-mice-reveals-adaptive-remodeling-of-metabolic-characteristics-and-fiber-type-composition
#6
Milena Schönke, Marie Björnholm, Alexander V Chibalin, Juleen R Zierath, Atul S Deshmukh
Skeletal muscle insulin resistance, an early metabolic defect in the pathogenesis of type 2 diabetes, may be a cause or consequence of altered protein expressions profiles. Proteomics technology offers enormous promise to investigate molecular mechanisms underlying pathologies, however, the analysis of skeletal muscle is challenging. Using state-of-the-art multi-enzyme digestion and filter-aided sample preparation (MED-FASP) and a mass spectrometry (MS) based workflow, we performed a global proteomics analysis of skeletal muscle from leptin-deficient, obese, insulin resistant (ob/ob) and lean mice in mere two fractions in a short time (8 hours/sample)...
January 19, 2018: Proteomics
https://www.readbyqxmd.com/read/29349907/accelerated-hydrogen-evolution-kinetics-on-nife-layered-double-hydroxide-electrocatalysts-by-tailoring-water-dissociation-active-sites
#7
Guangbo Chen, Tao Wang, Jian Zhang, Pan Liu, Hanjun Sun, Xiaodong Zhuang, Mingwei Chen, Xinliang Feng
Owing to its earth abundance, low kinetic overpotential, and superior stability, NiFe-layered double hydroxide (NiFe-LDH) has emerged as a promising electrocatalyst for catalyzing water splitting, especially oxygen evolution reaction (OER), in alkaline solutions. Unfortunately, as a result of extremely sluggish water dissociation kinetics (Volmer step), hydrogen evolution reaction (HER) activity of the NiFe-LDH is rather poor in alkaline environment. Here a novel strategy is demonstrated for substantially accelerating the hydrogen evolution kinetics of the NiFe-LDH by partially substituting Fe atoms with Ru...
January 19, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29349873/carbon-molecular-sieve-membranes-derived-from-tr%C3%A3-ger-s-base-based-microporous-polyimide-for-gas-separation
#8
Jian Jin, Zhenggong Wang, Huiting Ren, Shenxiang Zhang, Feng Zhang
Carbon molecular sieve (CMS) membrane based membrane attracts great attentions because of their outstanding gas separation performance. Polymer precursor is one of key points for preparation of high performance CMS. Tröger's base (TB) group is constructed by a bridged bicyclic amine. Such a bicyclic bridged stereo structure endows TB unit with highly contorted and great shape-persistent properties. In this work, a TB-based PIM-PI (TB-PI) is used as a polymer precursor to prepare CMS for the first time. By optimizing the thermal treatment condition, three CMS membranes treated under different soaking temperatures named TB-CMS-550, TB-CMS-650, and TB-CMS-800 were obtained...
January 19, 2018: ChemSusChem
https://www.readbyqxmd.com/read/29349517/a-novel-genomic-signature-predicting-fdg-uptake-in-diverse-metastatic-tumors
#9
Aurora Crespo-Jara, Maria Carmen Redal-Peña, Elena Maria Martinez-Navarro, Manuel Sureda, Francisco Jose Fernandez-Morejon, Francisco J Garcia-Cases, Ramon Gonzalez Manzano, Antonio Brugarolas
BACKGROUND: Building a universal genomic signature predicting the intensity of FDG uptake in diverse metastatic tumors may allow us to understand better the biological processes underlying this phenomenon and their requirements of glucose uptake. METHODS: A balanced training set (n = 71) of metastatic tumors including some of the most frequent histologies, with matched PET/CT quantification measurements and whole human genome gene expression microarrays, was used to build the signature...
January 18, 2018: EJNMMI Research
https://www.readbyqxmd.com/read/29349508/impact-of-intervention-time-on-hospital-survival-in-patients-requiring-emergent-airway-management-a-preliminary-study
#10
Kuo-Chuan Hung, Hsiu-Jung Lin, Shao-Wei Hsieh, Cheuk-Kwan Sun
BACKGROUND: The time in the day of intervention for physiological deterioration reportedly impacts patient outcomes. This study aimed at determining the impact of the time of ETI on hospital survival in critically ill patients. METHODS: Between January 2014 and December 2016, 151 patients who underwent emergency tracheal intubation (ETI) by the airway response team (ART) in the general wards of a tertiary referral center were retrospectively reviewed. Patients were divided into two groups based on the time of ETI (daytime group, 8:00 a...
January 18, 2018: Journal of Anesthesia
https://www.readbyqxmd.com/read/29349482/-esophageal-diverticula-excluding-cricopharyngeal-diverticula
#11
C A Gutschow, H Schmidt
Diverticula of the middle and lower third of the esophagus are commonly associated with esophageal motility disorders. The increase of intraluminal pressure leads to an outpouching of the mucosal and submucosal layers through the esophageal muscle coat. These pouches are also called false diverticula, because they only consist of the mucosal and submucosal esophageal layers. In contrast, the more rarely encountered true diverticula that retain the complete esophageal wall are generally associated with periesophageal granulomatous lymph node disease...
January 18, 2018: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/29347827/psychological-well-being-and-adherence-to-antiretroviral-therapy-among-adolescents-living-with-hiv-in-zambia
#12
Sumiyo Okawa, Sylvia Mwanza Kabaghe, Mwiya Mwiya, Kimiyo Kikuchi, Masamine Jimba, Chipepo Kankasa, Naoko Ishikawa
Physical and psychosocial changes during adolescence could influence the psychological well-being and adherence to antiretroviral therapy (ART) of adolescents living with HIV. However, few studies have assessed these two important issues in Zambia. This study aimed at addressing this gap by examining adolescents' depressive symptoms and ART adherence. This was a mixed-methods study conducted from April to July 2014. We recruited 200 adolescents, ages 15 to 19, who were already aware of their HIV status. We measured depressive symptoms using the short form of the Center for Epidemiologic Studies Depression Scale, and self-reported three-day adherence to ART...
January 18, 2018: AIDS Care
https://www.readbyqxmd.com/read/29346431/sensitivity-and-specificity-of-two-dried-blood-spot-methods-for-hiv-1-viral-load-monitoring-among-patients-in-hanoi-vietnam
#13
Todd M Pollack, Hao T Duong, Phuong T Truong, Thuy T Pham, Cuong D Do, Donn Colby
The use of dried blood spot (DBS) specimens for HIV viral load (VL) monitoring is recommended to support the roll-out of routine VL monitoring in low and middle income countries (LMICs). To better understand the use of DBS for VL monitoring, we evaluated two DBS testing methods, Roche TaqMan® Free Virus Evolution protocol (DBS-FVE) and Roche TaqMan® SPEX protocol (DBS-SPEX)) in patients receiving ART at an HIV clinic in Hanoi, Vietnam. Sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) were calculated for each DBS testing method at the thresholds of 1000 and 5000 copies/ml compared to plasma VL...
2018: PloS One
https://www.readbyqxmd.com/read/29346326/lipid-membrane-nanosensors-for-environmental-monitoring-the-art-the-opportunities-and-the-challenges
#14
REVIEW
Georgia-Paraskevi Nikoleli, Dimitrios Nikolelis, Christina G Siontorou, Stephanos Karapetis
The advent of nanotechnology has brought along new materials, techniques, and concepts, readily adaptable to lipid membrane-based biosensing. The transition from micro-sensors to nano-sensors is neither straightforward nor effortless, yet it leads to devices with superior analytical characteristics: ultra-low detectability, small sample volumes, better capabilities for integration, and more available bioelements and processes. Environmental monitoring remains a complicated field dealing with a large variety of pollutants, several decomposition products, or secondary chemicals produced ad hoc in the short- or medium term, many sub-systems affected variously, and many processes largely unknown...
January 18, 2018: Sensors
https://www.readbyqxmd.com/read/29346099/cell-membrane-tracking-in-living-brain-tissue-using-differential-interference-contrast-microscopy
#15
John Lee, Ilya Kolb, Craig R Forest, Christopher J Rozell
Differential interference contrast (DIC) microscopy is widely used for observing unstained biological samples that are otherwise optically transparent. Combining this optical technique with machine vision could enable the automation of many life science experiments; however, identifying relevant features under DIC is challenging. In particular, precise tracking of cell boundaries in a thick ( ) slice of tissue has not previously been accomplished. We present a novel deconvolution algorithm that achieves the state-of-the-art performance at identifying and tracking these membrane locations...
April 2018: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29346098/region-based-prediction-for-image-compression-in-the-cloud
#16
Jean Begaint, Dominique Thoreau, Philippe Guillotel, Christine Guillemot
Thanks to the increasing number of images stored in the cloud, external image similarities can be leveraged to efficiently compress images by exploiting inter-images correlations. In this paper, we propose a novel image prediction scheme for cloud storage. Unlike current state-of-the-art methods, we use a semi-local approach to exploit inter-image correlation. The reference image is first segmented into multiple planar regions determined from matched local features and super-pixels. The geometric and photometric disparities between the matched regions of the reference image and the current image are then compensated...
April 2018: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29346094/reweighted-low-rank-matrix-analysis-with-structural-smoothness-for-image-denoising
#17
Hengyou Wang, Yigang Cen, Zhiquan He, Zhihai He, Ruizhen Zhao, Fengzhen Zhang
In this paper, we develop a new low-rank matrix recovery algorithm for image denoising. We incorporate the total variation (TV) norm and the pixel range constraint into the existing reweighted low-rank matrix analysis to achieve structural smoothness and to significantly improve quality in the recovered image. Our proposed mathematical formulation of the low-rank matrix recovery problem combines the nuclear norm, TV norm, and norm, thereby allowing us to exploit the low-rank property of natural images, enhance the structural smoothness, and detect and remove large sparse noise...
April 2018: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29346090/fast-2d-complex-gabor-filter-with-kernel-decomposition
#18
Jaeyoon Kim, Suhyuk Um, Dongbo Min
2D complex Gabor filtering has found numerous applications in the fields of computer vision and image processing. Especially, in some applications, it is often needed to compute 2D complex Gabor filter bank consisting of filtering outputs at multiple orientations and frequencies. Although several approaches for fast Gabor filtering have been proposed, they focus primarily on reducing the runtime for performing filtering once at specific orientation and frequency. To obtain the Gabor filter bank, the existing methods are repeatedly applied with respect to multiple orientations and frequencies...
April 2018: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29345628/reversibility-and-intermediate-steps-as-key-tools-for-the-growth-of-extended-ordered-polymers-via-on-surface-synthesis
#19
Marco Di Giovannantonio, Giorgio Contini
Surface-confined polymerization is a bottom-up strategy to create one- and two-dimensional covalent organic nanostructures with a π-conjugated backbone, which are suitable to be employed in real-life electronic devices, due to their high mechanical resistance and electronic charge transport efficiency. This strategy makes it possible to change the properties of the final nanostructures by a careful choice of the monomer architecture (<i>i.e.</i> of its constituent atoms and their spatial arrangement)...
January 18, 2018: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29345623/affordable-and-accurate-large-scale-hybrid-functional-calculations-on-gpu-accelerated-supercomputers
#20
Laura E Ratcliff, Augustin Degomme, José A Flores-Livas, Stefan Goedecker, Luigi Genovese
Performing high accuracy hybrid functional calculations for condensed matter systems containing a large number of atoms is at present computationally very demanding or even out of reach if high quality basis sets are used. We present a highly optimized multiple GPU implementation of the exact exchange operator which allows one to perform fast hybrid functional density-functional theory calculations with systematic basis sets without additional approximations for up to a thousand atoms...
January 18, 2018: Journal of Physics. Condensed Matter: An Institute of Physics Journal
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