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https://www.readbyqxmd.com/read/27922481/pd-l1-assessment-for-targeted-therapy-testing-in-cancer-urgent-need-for-realistic-economic-and-practice-expectations
#1
Hadi Yaziji, Clive R Taylor
No abstract text is available yet for this article.
January 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/27922463/the-dangers-of-estimating-v%C3%AB-o2max-using-linear-nonexercise-prediction-models
#2
Alan M Nevill, Carlton B Cooke
PURPOSE: To compare the accuracy and goodness-of-fit of two competing models (linear versus allometric) when estimating V˙O2max (ml.kg.min) using non-exercise prediction models. METHODS: The two competing models were fitted to the V˙O2max (ml.kg.min) data taken from two previously published studies. Study 1 (the Allied Dunbar National Fitness Survey, ADNFS), recruited 1732 randomly selected healthy participants, aged 16 years and over, from thirty English parliamentary constituencies...
December 1, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27922208/aluminum-mediated-formation-of-cyclic-carbonates-benchmarking-catalytic-performance-metrics
#3
Arjan Willem Kleij, Jeroen Rintjema
We report a comparative study on the activity of a series of five binary catalysts derived from various reported aluminum-based complexes. A benchmarking of their initial rates in the coupling of various terminal and internal epoxides in the presence of three different nucleophilic additives has been carried out providing for the first time a useful comparison of activity metrics in the area of cyclic organic carbonate formation. These investigations provide a useful framework how to realistically valorize relative reactivities and which features are important to consider the ideal operational window of each binary catalyst system...
December 6, 2016: ChemSusChem
https://www.readbyqxmd.com/read/27920938/comparison-of-effectiveness-between-cork-screw-and-peg-screw-electrodes-for-transcranial-motor-evoked-potential-monitoring-using-the-finite-element-method
#4
Ryosuke Tomio, Takenori Akiyama, Takayuki Ohira, Kazunari Yoshida
BACKGROUND: Intraoperative monitoring of motor evoked potentials by transcranial electric stimulation is popular in neurosurgery for monitoring motor function preservation. Some authors have reported that the peg-screw electrodes screwed into the skull can more effectively conduct current to the brain compared to subdermal cork-screw electrodes screwed into the skin. The aim of this study was to investigate the influence of electrode design on transcranial motor evoked potential monitoring...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27919488/clinical-assessment-of-gait-in-individuals-with-multiple-sclerosis-using-wearable-inertial-sensors-comparison-with-patient-based-measure
#5
Massimiliano Pau, Silvia Caggiari, Alessandro Mura, Federica Corona, Bruno Leban, Giancarlo Coghe, Lorena Lorefice, Maria Giovanna Marrosu, Eleonora Cocco
BACKGROUND: This study aims to verify the feasibility of use of wearable accelerometers in an ambulatory environment to assess spatiotemporal parameters of gait in people with Multiple Sclerosis (pwMS), as well as the correlation of objective data with patient-reported outcomes. METHODS: One hundred and five pwMS (Expanded Disability Status Scale, EDSS in the range 0-6.5) classified in three sub-groups (EDSS 0-1.5, EDSS 2-4, EDSS 4.5-6.5) and 47 healthy controls (HC) participated in the study...
November 2016: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/27917977/discontinuity-in-pastoral-development-time-to-update-the-method
#6
S KrÄtli
Most off-the-shelf basic methodological tools currently used in pastoral development (e.g. technical definitions and conventional scales of observation) retain underlying assumptions about stability and uniformity being the norm (i.e. 'equilibrium thinking'). Such assumptions reflect a theoretical framework which had been questioned since the 1970s and was openly disproved in scientific circles during the 1990s, when it was shown to be fundamentally inadequate. Today, lingering equilibrium assumptions in the methodological legacy of pastoral development get in the way of operationalising state-of-the-art understanding of pastoral systems and drylands...
November 2016: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/27917619/practical-guidance-on-the-use-of-olaparib-capsules-as-maintenance-therapy-for-women-with-brca-mutations-and-platinum-sensitive-recurrent-ovarian-cancer
#7
REVIEW
Michael Friedlander, Susana Banerjee, Linda Mileshkin, Clare Scott, Catherine Shannon, Jeffrey Goh
Olaparib is the first oral poly(ADP-ribose) polymerase inhibitor to be approved as maintenance monotherapy for treatment of patients with platinum-sensitive relapsed BRCA-mutated (BRCAm) serous ovarian cancer. This review provides practical guidance on the use of olaparib (capsule formulation) in the maintenance setting. The article focuses on the key toxicities that can arise with olaparib therapy and recommendations for their management. Nausea, vomiting, fatigue and anemia are the most commonly reported adverse events in olaparib clinical trials and are generally mild to moderate and transient in nature in most patients...
December 2016: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27917528/the-ultimate-signal-to-noise-ratio-in-realistic-body-models
#8
Bastien Guérin, Jorge F Villena, Athanasios G Polimeridis, Elfar Adalsteinsson, Luca Daniel, Jacob K White, Lawrence L Wald
PURPOSE: We compute the ultimate signal-to-noise ratio (uSNR) and G-factor (uGF) in a realistic head model from 0.5 to 21 Tesla. METHODS: We excite the head model and a uniform sphere with a large number of electric and magnetic dipoles placed at 3 cm from the object. The resulting electromagnetic fields are computed using an ultrafast volume integral solver, which are used as basis functions for the uSNR and uGF computations. RESULTS: Our generalized uSNR calculation shows good convergence in the sphere and the head and is in close agreement with the dyadic Green's function approach in the uniform sphere...
December 4, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27917258/modeling-the-qbo-improvements-resulting-from-higher-model-vertical-resolution
#9
Marvin A Geller, Tiehan Zhou, D Shindell, R Ruedy, I Aleinov, L Nazarenko, N L Tausnev, M Kelley, S Sun, Y Cheng, R D Field, G Faluvegi
Using the NASA Goddard Institute for Space Studies (GISS) climate model, it is shown that with proper choice of the gravity wave momentum flux entering the stratosphere and relatively fine vertical layering of at least 500 m in the upper troposphere-lower stratosphere (UTLS), a realistic stratospheric quasi-biennial oscillation (QBO) is modeled with the proper period, amplitude, and structure down to tropopause levels. It is furthermore shown that the specified gravity wave momentum flux controls the QBO period whereas the width of the gravity wave momentum flux phase speed spectrum controls the QBO amplitude...
September 2016: Journal of Advances in Modeling Earth Systems
https://www.readbyqxmd.com/read/27916807/task-and-participant-scheduling-of-trading-platforms-in-vehicular-participatory-sensing-networks
#10
Heyuan Shi, Xiaoyu Song, Ming Gu, Jiaguang Sun
The vehicular participatory sensing network (VPSN) is now becoming more and more prevalent, and additionally has shown its great potential in various applications. A general VPSN consists of many tasks from task, publishers, trading platforms and a crowd of participants. Some literature treats publishers and the trading platform as a whole, which is impractical since they are two independent economic entities with respective purposes. For a trading platform in markets, its purpose is to maximize the profit by selecting tasks and recruiting participants who satisfy the requirements of accepted tasks, rather than to improve the quality of each task...
November 28, 2016: Sensors
https://www.readbyqxmd.com/read/27915965/systematic-review-on-role-of-mammalian-target-of-rapamycin-inhibitors-as-an-alternative-to-calcineurin-inhibitors-in-renal-transplant-challenges-and-window-to-excel
#11
Jayant Kumar, Julie M Bridson, Ajay Sharma, Ahmed Halawa
OBJECTIVES: This review focuses on the current limited evidence of graft function and graft survival in various immunosuppressive regimens involving mammalian target of rapamycin inhibitors with or without calcineurin inhibitors. MATERIALS AND METHODS: We evaluated the current literature for describing the role of mammalian target of rapamycin inhibitors as an alternative to calcineurin inhibitors by searching the PubMed, EMBASE, Cochrane, Crossref, and Scopus databases using medical subject heading terms...
December 2, 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27915148/antioxidant-response-of-the-hard-shelled-mussel-mytilus-coruscus-exposed-to-reduced-ph-and-oxygen-concentration
#12
Yanming Sui, Menghong Hu, Yueyong Shang, Fangli Wu, Xizhi Huang, Sam Dupont, Daniela Storch, Hans-Otto Pörtner, Jiale Li, Weiqun Lu, Youji Wang
Ocean acidification (OA) and hypoxic events are increasing worldwide problems, their interactive effects have not been well clarified, although their co-occurrence is prevalent. The East China Sea (the Yangtze River estuary area) suffers from not only coastal hypoxia but also pH fluctuation, representing an ideal study site to explore the combined effect of OA and hypoxia on marine bivalves. We experimentally evaluated the antioxidant response of the mussel Mytilus coruscus exposed to three pH levels (8.1, 7...
December 1, 2016: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/27915059/a-process-for-polyhydroxyalkanoate-pha-production-from-municipal-wastewater-treatment-with-biological-carbon-and-nitrogen-removal-demonstrated-at-pilot-scale
#13
Simon Bengtsson, Anton Karlsson, Tomas Alexandersson, Luca Quadri, Markus Hjort, Peter Johansson, Fernando Morgan-Sagastume, Simon Anterrieu, Monica Arcos-Hernandez, Lamija Karabegovic, Per Magnusson, Alan Werker
A process was developed for biological treatment of municipal wastewater for carbon and nitrogen removal while producing added-value polyhydroxyalkanoates (PHAs). The process comprised steps for pre-denitrification, nitrification and post-denitrification and included integrated fixed-film activated sludge (IFAS) with biofilm carrier media to support nitrification. In a pilot-scale demonstration (500-800L), wastewater treatment performance, in line with European standards, were achieved for total chemical oxygen demand (83% removal) and total nitrogen (80% removal) while producing a biomass that was able to accumulate up to 49% PHA of volatile suspended solids with acetic acid or fermented organic residues as substrates...
November 30, 2016: New Biotechnology
https://www.readbyqxmd.com/read/27915026/effects-of-model-definitions-and-parameter-values-in-finite-element-modeling-of-human-middle-ear-mechanics
#14
Daniel De Greef, Felipe Pires, Joris J J Dirckx
BACKGROUND: Despite continuing advances in finite element software, the realistic simulation of middle ear response under acoustic stimulation continues to be challenging. One reason for this is the wide range of possible choices that can be made during the definition of a model. Therefore, an explorative study of the relative influences of some of these choices is potentially very helpful. METHOD: Three finite element models of the human middle ear were constructed, based on high-resolution micro-computed tomography scans from three different human temporal bones...
November 30, 2016: Hearing Research
https://www.readbyqxmd.com/read/27914740/predicting-the-relative-impacts-of-maternal-and-neonatal-respiratory-syncytial-virus-rsv-vaccine-target-product-profiles-a-consensus-modelling-approach
#15
Wirichada Pan-Ngum, Timothy Kinyanjui, Moses Kiti, Sylvia Taylor, Jean-François Toussaint, Sompob Saralamba, Thierry Van Effelterre, D James Nokes, Lisa J White
BACKGROUND: Respiratory syncytial virus (RSV) is the major viral cause of infant and childhood lower respiratory tract disease worldwide. Defining the optimal target product profile (TPP) is complicated due to a wide range of possible vaccine properties, modalities and an incomplete understanding of the mechanism of natural immunity. We report consensus population level impact projections based on two mathematical models applied to a low income setting. METHOD: Two structurally distinct age-specific deterministic compartmental models reflecting uncertainty associated with the natural history of infection and the mechanism by which immunity is acquired and lost were constructed...
November 28, 2016: Vaccine
https://www.readbyqxmd.com/read/27914414/spatial-attention-in-bilateral-cochlear-implant-users
#16
Matthew J Goupell, Alan Kan, Ruth Y Litovsky
Cochlear-implant (CI) users have difficulty understanding speech in the presence of interfering sounds. This study was designed to determine if binaural unmasking of speech is limited by peripheral or central encoding. Speech was presented to bilateral CI listeners using their clinical processors; unprocessed or vocoded speech was presented to normal-hearing (NH) listeners. Performance was worst for all listener groups in conditions where both the target and interferer were presented monaurally or diotically (i...
September 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27914413/differences-in-acoustic-impedance-of-fresh-and-embedded-human-trabecular-bone-samples-scanning-acoustic-microscopy-and-numerical-evaluation
#17
Xiaowei Ojanen, Juha Töyräs, Satu I Inkinen, Markus K H Malo, Hanna Isaksson, Jukka S Jurvelin
Trabecular bone samples are traditionally embedded and polished for scanning acoustic microscopy (SAM). The effect of sample processing, including dehydration, on the acoustic impedance of bone is unknown. In this study, acoustic impedance of human trabecular bone samples (n = 8) was experimentally assessed before (fresh) and after embedding using SAM and two-dimensional (2-D) finite-difference time domain simulations. Fresh samples were polished with sandpapers of different grit (P1000, P2500, and P4000)...
September 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27914393/influence-of-vocal-tract-geometry-simplifications-on-the-numerical-simulation-of-vowel-sounds
#18
Marc Arnela, Saeed Dabbaghchian, Rémi Blandin, Oriol Guasch, Olov Engwall, Annemie Van Hirtum, Xavier Pelorson
For many years, the vocal tract shape has been approximated by one-dimensional (1D) area functions to study the production of voice. More recently, 3D approaches allow one to deal with the complex 3D vocal tract, although area-based 3D geometries of circular cross-section are still in use. However, little is known about the influence of performing such a simplification, and some alternatives may exist between these two extreme options. To this aim, several vocal tract geometry simplifications for vowels [ɑ], [i], and [u] are investigated in this work...
September 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27913617/evaluating-sequence-based-genomic-prediction-with-an-efficient-new-simulator
#19
Miguel Pérez-Enciso, Natalia Forneris, Gustavo de Los Campos, Andrés Legarra
The vast amount of sequence data to analyze complex traits is posing new challenges in terms of analysis and interpretation of the results. Although simulation is a fundamental tool to investigate the reliability of genomic analyses and to optimize experimental design, existing software cannot simulate complete genomes realistically. To remedy this, we have developed a new strategy (Sequence Based Virtual Breeding, SBVB) that consists of using real sequence data and simulating new offspring genomes and phenotypes in a very efficient and flexible manner...
December 2, 2016: Genetics
https://www.readbyqxmd.com/read/27911528/berry-curvature-in-magnon-phonon-hybrid-systems
#20
Ryuji Takahashi, Naoto Nagaosa
We study theoretically the Berry curvature of the magnon induced by the hybridization with the acoustic phonons via the spin-orbit and dipolar interactions. We first discuss the magnon-phonon hybridization via the dipolar interaction, and show that the dispersions have gapless points in momentum space, some of which form a loop. Next, when both spin-orbit and dipolar interactions are considered, we show anisotropic texture of the Berry curvature and its divergence with and without gap closing. Realistic evaluation of the consequent anomalous velocity is given for yttrium iron garnet...
November 18, 2016: Physical Review Letters
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