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https://www.readbyqxmd.com/read/28449224/validation-of-omi-uv-satellite-data-using-spectral-and-broadband-surface-based-measurements-at-a-queensland-site
#1
Mustapha A Jebar, Alfio V Parisi, Nathan J Downs, Joanna F Turner
This research reconstructed and validated the broadband UVA irradiances derived from discrete spectral irradiance data retrieved from the Ozone Monitoring Instrument (OMI) satellite from 1 January to 31 December 2009. OMI data at solar noon was compared to ground based spectral irradiances at Toowoomba (27°36' S 151°55' E), Australia at 310, 324 and 380 nm for both cloud free and all sky conditions. There was a strong relationship between the ground based UV spectroradiometer data and satellite based measurements with an R(2) of 0...
April 27, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/28448434/static-memory-deduplication-for-performance-optimization-in-cloud-computing
#2
Gangyong Jia, Guangjie Han, Hao Wang, Xuan Yang
In a cloud computing environment, the number of virtual machines (VMs) on a single physical server and the number of applications running on each VM are continuously growing. This has led to an enormous increase in the demand of memory capacity and subsequent increase in the energy consumption in the cloud. Lack of enough memory has become a major bottleneck for scalability and performance of virtualization interfaces in cloud computing. To address this problem, memory deduplication techniques which reduce memory demand through page sharing are being adopted...
April 27, 2017: Sensors
https://www.readbyqxmd.com/read/28448037/cooling-an-optically-trapped-ultracold-fermi-gas-by-periodical-driving
#3
Jiaming Li, Leonardo F de Melo, Le Luo
We present a cooling method for a cold Fermi gas by parametrically driving atomic motions in a crossed-beam optical dipole trap (ODT). Our method employs the anharmonicity of the ODT, in which the hotter atoms at the edge of the trap feel the anharmonic components of the trapping potential, while the colder atoms in the center of the trap feel the harmonic one. By modulating the trap depth with frequencies that are resonant with the anharmonic components, we selectively excite the hotter atoms out of the trap while keeping the colder atoms in the trap, generating parametric cooling...
March 30, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28446614/constraining-the-instantaneous-aerosol-influence-on-cloud-albedo
#4
Edward Gryspeerdt, Johannes Quaas, Sylvaine Ferrachat, Andrew Gettelman, Steven Ghan, Ulrike Lohmann, Hugh Morrison, David Neubauer, Daniel G Partridge, Philip Stier, Toshihiko Takemura, Hailong Wang, Minghuai Wang, Kai Zhang
Much of the uncertainty in estimates of the anthropogenic forcing of climate change comes from uncertainties in the instantaneous effect of aerosols on cloud albedo, known as the Twomey effect or the radiative forcing from aerosol-cloud interactions (RFaci), a component of the total or effective radiative forcing. Because aerosols serving as cloud condensation nuclei can have a strong influence on the cloud droplet number concentration (Nd ), previous studies have used the sensitivity of the Nd to aerosol properties as a constraint on the strength of the RFaci...
April 26, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28445744/nmrbox-a-resource-for-biomolecular-nmr-computation
#5
Mark W Maciejewski, Adam D Schuyler, Michael R Gryk, Ion I Moraru, Pedro R Romero, Eldon L Ulrich, Hamid R Eghbalnia, Miron Livny, Frank Delaglio, Jeffrey C Hoch
Advances in computation have been enabling many recent advances in biomolecular applications of NMR. Due to the wide diversity of applications of NMR, the number and variety of software packages for processing and analyzing NMR data is quite large, with labs relying on dozens, if not hundreds of software packages. Discovery, acquisition, installation, and maintenance of all these packages is a burdensome task. Because the majority of software packages originate in academic labs, persistence of the software is compromised when developers graduate, funding ceases, or investigators turn to other projects...
April 25, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28443681/preventing-the-forgotten-ureteral-stent-by-using-a-mobile-point-of-care-application
#6
Justin Bradley Ziemba, Wesley Ludwig, Leticia Ruiz, Eduardo Carvalhal, Brian Matlaga
INTRODUCTION: The forgotten ureteral stent (FUS) can lead to patient morbidity. To date, tracking ureteral stents is a cumbersome task, given their high frequency of insertion and variable indwelling times. To simplify this process, an application was developed to track patients with indwelling ureteral stents. We report our initial user-experience and clinical outcomes with this application. METHODS: Ureteral Stent Tracker™ (UST) is a secure, HIPPA compliant, cloud based point-of-care (POC) application...
April 26, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28443627/multifunctionality-of-silver-closo-boranes
#7
Mark Paskevicius, Bjarne R S Hansen, Mathias Jørgensen, Bo Richter, Torben R Jensen
Silver compounds share a rich history in technical applications including photography, catalysis, photocatalysis, cloud seeding and as antimicrobial agents. Here we present a class of silver compounds (Ag2B10H10 and Ag2B12H12) that are semiconductors with a bandgap at 2.3 eV in the green visible light spectrum. The silver boranes have extremely high ion conductivity and dynamic-anion facilitated Ag(+) migration is suggested based on the structural model. The ion conductivity is enhanced more than two orders of magnitude at room temperature (up to 3...
April 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28442137/enhanced-surface-ozone-during-the-heat-wave-of-2013-in-yangtze-river-delta-region-china
#8
X Pu, T J Wang, X Huang, D Melas, P Zanis, D K Papanastasiou, A Poupkou
Under the background of global warming, occurrence of heat waves has increased in most part of Europe, Asia and Australia along with enhanced ozone level. In this paper, observational air temperature and surface ozone in the Yangtze River Delta (YRD) region of China during summer of 2013, and the regional chemistry-climate model (RegCM-CHEM4) were applied to explore the relationship between heat wave and elevated ground-level ozone. Observations indicated that YRD experienced severe heat waves with maximum temperature up to 41...
April 22, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28440049/analytical-based-methodologies-for-examining-the-in-vitro-absorption-distribution-metabolism-and-elimination-adme-of-silver-nanoparticles
#9
Sesha L A Paluri, John D Ryan, Nhi H Lam, Dhriti Nepal, Ioana E Sizemore
The clinical applications of silver nanoparticles (AgNPs) remain limited due to the lack of well-established methodologies for studying their nanokinetics. Hereby, the primary goal is to adapt a suite of analytical-based methodologies for examining the in vitro absorption, distribution, metabolism, and elimination of AgNPs. Vero 76 and HEK 293 cells are exposed to ≈10-nm spherical AgNPs(+) and AgNPs(-) at relevant concentrations (0-300 µg mL(-1) ) and times (4-48 h). Absorption: Inductively coupled plasma optical emission spectroscopy (ICP-OES) demonstrates that the two AgNP formulations are not bioequivalent...
April 25, 2017: Small
https://www.readbyqxmd.com/read/28438193/pathos-a-decision-support-system-for-reporting-high-throughput-sequencing-of-cancers-in-clinical-diagnostic-laboratories
#10
Kenneth D Doig, Andrew Fellowes, Anthony H Bell, Andrei Seleznev, David Ma, Jason Ellul, Jason Li, Maria A Doyle, Ella R Thompson, Amit Kumar, Luis Lara, Ravikiran Vedururu, Gareth Reid, Thomas Conway, Anthony T Papenfuss, Stephen B Fox
BACKGROUND: The increasing affordability of DNA sequencing has allowed it to be widely deployed in pathology laboratories. However, this has exposed many issues with the analysis and reporting of variants for clinical diagnostic use. Implementing a high-throughput sequencing (NGS) clinical reporting system requires a diverse combination of capabilities, statistical methods to identify variants, global variant databases, a validated bioinformatics pipeline, an auditable laboratory workflow, reproducible clinical assays and quality control monitoring throughout...
April 24, 2017: Genome Medicine
https://www.readbyqxmd.com/read/28436871/a-systematic-approach-for-cross-source-point-cloud-registration-by-preserving-macro-and-micro-structures
#11
Xiaoshui Huang, Jian Zhang, Lixin Fan, Qiang Wu, Chun Yuan
We propose a systematic approach for registering cross-source point clouds that come from different kinds of sensors. This task is especially challenging due to the presence of significant missing data, large variations in point density, scale difference, large proportion of noise and outliers. The robustness of the method is attributed to the extraction of macro and micro structures. Macro structure is the overall structure that maintains similar geometric layout in cross-source point clouds. Micro structure is the element (e...
April 19, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28436860/effect-on-high-intensity-fields-of-a-tough-hydrophone-with-hydrothermal-pzt-thick-film-vibrator-and-titanium-front-layer
#12
Nagaya Okada, Shinichi Takeuchi
A novel tough hydrophone was fabricated by depositing hydrothermally synthesized lead zirconate titanate polycrystalline film on the back-side surface of a titanium plate. Our developed tough hydrophone resisted damage in a high-pressure field (15 MPa) at a focal point of a sinusoidal continuous wave driven by a concave high-intensity focused ultrasound (HIFU) transducer with up to 50 W of power input to the sound source. The hydrophone was suitable for the HIFU field, even though the hydrophone has a flat-shape tip of 3...
April 24, 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28436846/efficient-2d-and-3d-facade-segmentation-using-auto-context
#13
Raghudeep Gadde, Varun Jampani, Renaud Marlet, Peter Gehler
This paper introduces a fast and efficient segmentation technique for 2D images and 3D point clouds of building facades. Facades of buildings are highly structured and consequently most methods that have been proposed for this problem aim to make use of this strong prior information. Contrary to most prior work, we are describing a system that is almost domain independent and consists of standard segmentation methods. We train a sequence of boosted decision trees using auto-context features. This is learned using stacked generalization...
April 24, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28436531/international-inter-rater-agreement-in-scoring-acne-severity-utilizing-cloud-based-image-sharing-of-mobile-phone-photographs
#14
Negar Foolad, Jennifer N Ornelas, Ashley K Clark, Ifrah Ali, Victoria R Sharon, Luluah Al Mubarak, Andrés Lopez, Ali Alikhan, Bishr Al Dabagh, Alireza Firooz, Smita Awasthi, Yu Liu, Chin-Shang Li, Raja K Sivamani
BACKGROUND: Cloud-based image sharing technology allows facilitated sharing of images. Cloud-based image sharing technology has not been well-studied for acne assessments or treatment preferences, among international evaluators. We evaluated inter-rater variability of acne grading and treatment recommendations among an international group of dermatologists that assessed photographs. METHODS: This is a prospective, single visit photographic study to assess inter-rater agreement of acne photographs shared through an integrated mobile device, cloud-based, and HIPAA-compliant platform...
April 24, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28434968/cardiac-contractility-correction-strategies-applied-to-telemetry-data-from-a-hesi-sponsored-consortium
#15
Emmanuel Boulay, Michael K Pugsley, Vincent Jacquemet, Alain Vinet, Michael V Accardi, Maxim Soloviev, Eric Troncy, Jennifer M Doyle, Jennifer Beck Pierson, Simon Authier
INTRODUCTION: QT has a long history of heart rate (HR) correction but limited investigations have been undertaken to assess the impact of cardiovascular parameters on left ventricular (LV) contractility in drug safety testing. Cardiac contractility is affected by preload (Cyon-Frank-Starling law), afterload (Anrep effect) and HR (Bowditch effect). We evaluated multi-parameter correction methods to help with dP/dtmax interpretation. METHODOLOGY: Modeling was undertaken using data from dogs in single or double 4×4 Latin square studies...
April 20, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28434408/secure-internet-of-things-based-cloud-framework-to-control-zika-virus-outbreak
#16
Sanjay Sareen, Sandeep K Sood, Sunil Kumar Gupta
OBJECTIVES: Zika virus (ZikaV) is currently one of the most important emerging viruses in the world which has caused outbreaks and epidemics and has also been associated with severe clinical manifestations and congenital malformations. Traditional approaches to combat the ZikaV outbreak are not effective for detection and control. The aim of this study is to propose a cloud-based system to prevent and control the spread of Zika virus disease using integration of mobile phones and Internet of Things (IoT)...
April 24, 2017: International Journal of Technology Assessment in Health Care
https://www.readbyqxmd.com/read/28434152/compression-garments-and-recovery-from-exercise-a-meta-analysis
#17
REVIEW
Freddy Brown, Conor Gissane, Glyn Howatson, Ken van Someren, Charles Pedlar, Jessica Hill
BACKGROUND: Adequate recovery from exercise is essential to maintain performance throughout training and competition. While compression garments (CG) have been demonstrated to accelerate recovery, the literature is clouded by conflicting results and uncertainty over the optimal conditions of use. OBJECTIVES: A meta-analysis was conducted to assess the effects of CG on the recovery of strength, power and endurance performance following an initial bout of resistance, running, or non-load-bearing endurance (metabolic) exercise...
April 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28433111/epidemiology-and-introduction-to-the-clinical-presentation-of-wilson-disease
#18
Christine Lo, Oliver Bandmann
Our understanding of the epidemiology of Wilson disease has steadily grown since Sternlieb and Scheinberg's first prevalence estimate of 5 per million individuals in 1968. Increasingly sophisticated genetic techniques have led to revised genetic prevalence estimates of 142 per million. Various population isolates exist where the prevalence of Wilson disease is higher still, the highest being 885 per million from within the mountainous region of Rucar in Romania. In Sardinia, where the prevalence of Wilson disease has been calculated at 370 per million births, six mutations account for around 85% of Wilson disease chromosomes identified...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28433018/atomistic-insight-into-the-non-classical-nucleation-mechanism-during-solidification-in-ni
#19
Grisell Díaz Leines, Ralf Drautz, Jutta Rogal
Nucleation is a key step during crystallization, but a complete understanding of the fundamental atomistic processes remains elusive. We investigate the mechanism of nucleation during solidification in nickel for various undercoolings using transition path sampling simulations. The temperature dependence of the free energy barriers and rate constants that we obtain is consistent with the predictions of classical nucleation theory and experiments. However, our analysis of the transition path ensemble reveals a mechanism that deviates from the classical picture of nucleation: the growing solid clusters have predominantly non-spherical shapes and consist of face-centered-cubic and random hexagonal-close-packed coordinated atoms surrounded by a cloud of prestructured liquid...
April 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28432917/chiral-recognition-of-phenylglycinol-enantiomers-based-on-n-acetyl-l-cysteine-capped-cdte-quantum-dots-in-the-presence-of-ag
#20
Yuan Guo, Xiaoqing Zeng, Haiyan Yuan, Yunmei Huang, Yanmei Zhao, Huan Wu, Jidong Yang
In this study, a novel method for chiral recognition of phenylglycinol (PG) enantiomers was proposed. Firstly, water-soluble N-acetyl-l-cysteine (NALC)-capped CdTe quantum dots (QDs) were synthesized and experiment showed that the fluorescence intensity of the reaction system slightly enhancement when added PG enantiomers to NALC-capped CdTe quantum dots (QDs), but the R-PG and S-PG could not be distinguished. Secondly, when there was Ag(+) presence in the reaction system, the experiment result was extremely interesting, the PG enantiomers cloud make NALC-capped CdTe QDs produce different fluorescence signal, in which the fluorescence of S-PG+Ag(+)+NALC-CdTe system was significantly enhanced, and the fluorescence of R-PG+Ag(+)+NALC-CdTe system was markedly decreased...
April 18, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
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