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https://www.readbyqxmd.com/read/28644924/intravenous-thrombolysis-for-acute-ischemic-stroke-a-bridge-between-two-centuries
#1
Georgios Tsivgoulis, Odysseas Kargiotis, Andrei Alexandrov
Intravenous tissue-plasminogen activator (tPA) remains the only approved systemic reperfusion therapy suitable for most patients presenting timely with acute ischemic stroke. Accumulating real-word experience for over 20 years regarding tPA safety and effectiveness lead to re-appraisal of original contraindications for intravenous thrombolysis (IVT). Areas covered: This narrative review focuses on fast yet appropriate selection of patients for safe administration of tPA per recently expanded indications. Novel strategies for rapid patient assessment will be discussed...
June 23, 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/28641712/wireless-the-life-and-death-of-guglielmo-marconi
#2
EDITORIAL
Harold Smulyan, Robert S Pinals, Lisa Pinals, Daniel Villarreal
With little training in physics, Guglielmo Marconi developed the invention that stunned the world by wirelessly connecting ships and continents. Ten years before his death, he sustained a myocardial infarction followed by unmistakable angina pectoris. His personality and unhappy family life limited his ability to cope with his disease and to deal with Italy's most respected physicians. But their descriptions of his diagnosis and management are surprisingly few. Poor record keeping, intentional news suppression of his failing health or limited medical opportunities could be the reason for this lack of information...
June 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28641672/determination-of-five-alternative-antifouling-agents-found-along-the-korean-coasts
#3
Seongeon Lee, Dongsup Lee, Yong-Woo Lee
  Since the ban of tri-butyl tin, other various alternative antifouling agents have been used. In this study, the contamination levels from these antifouling agents were examined in the main harbors in Korea. The sampled harbors were classified into four types and the levels of contamination from the antifouling agents were analyzed. The highest degree of contamination was found in the big harbors, followed by the fishing harbors, harbors near agricultural areas, and military and coast guard harbors. In addition, an increase in the number of ships that entered the ports significantly influenced the contamination by the antifouling agents...
July 1, 2017: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/28640236/a-decision-mixture-model-based-method-for-inshore-ship-detection-using-high-resolution-remote-sensing-images
#4
Fukun Bi, Jing Chen, Yin Zhuang, Mingming Bian, Qingjun Zhang
With the rapid development of optical remote sensing satellites, ship detection and identification based on large-scale remote sensing images has become a significant maritime research topic. Compared with traditional ocean-going vessel detection, inshore ship detection has received increasing attention in harbor dynamic surveillance and maritime management. However, because the harbor environment is complex, gray information and texture features between docked ships and their connected dock regions are indistinguishable, most of the popular detection methods are limited by their calculation efficiency and detection accuracy...
June 22, 2017: Sensors
https://www.readbyqxmd.com/read/28638964/ships-ballast-water-treatment-by-chlorination-can-generate-toxic-trihalomethanes
#5
Marco R Hernandez, Nargis Ismail, Ken G Drouillard, Hugh J MacIsaac
The International Maritime Organization (IMO) will enforce a new abundance-based performance standard for ballast water in September, 2017. Strong oxidants, like chlorine, have been proposed as a method for achieving this standard. However chlorine treatment of ballast water can produce hazardous trihalomethanes. We assessed maximum trihalomethane production from one chlorine dose for three types of ballast water (fresh, brackish and marine) and three levels of total organic carbon (TOC) concentration (natural, filtered, enhanced)...
June 21, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28637341/assessment-of-workers-exposure-to-grain-dust-and-bioaerosols-during-the-loading-of-vessels-hold-an-example-at-a-port-in-the-province-of-qu%C3%A3-bec
#6
Geneviève Marchand, Marie Gardette, Kiet Nguyen, Valérie Amano, Eve Neesham-Grenon, Maximilien Debia
Longshoremen are exposed to large amounts of grain dust while loading of grain into the holds of vessels. Grain dust inhalation has been linked to respiratory diseases such as chronic bronchitis, hypersensitivity, pneumonitis, and toxic pneumonitis. Our objective was to characterize the exposure of longshoremen to inhalable and total dust, endotoxins, and cultivable bacteria and fungi during the loading of grain in a vessel's hold at the Port of Montreal in order to assess the potential health risks. Sampling campaigns were conducted during the loading of two different types of grain (wheat and corn)...
June 15, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/28635640/analysis-of-maneuvering-targets-with-complex-motions-by-two-dimensional-product-modified-lv-s-distribution-for-quadratic-frequency-modulation-signals
#7
Fulong Jing, Shuhong Jiao, Changbo Hou, Weijian Si, Yu Wang
For targets with complex motion, such as ships fluctuating with oceanic waves and high maneuvering airplanes, azimuth echo signals can be modeled as multicomponent quadratic frequency modulation (QFM) signals after migration compensation and phase adjustment. For the QFM signal model, the chirp rate (CR) and the quadratic chirp rate (QCR) are two important physical quantities, which need to be estimated. For multicomponent QFM signals, the cross terms create a challenge for detection, which needs to be addressed...
June 21, 2017: Sensors
https://www.readbyqxmd.com/read/28632832/-a-hundred-years-since-the-beginning-of-the-great-war-trichinosis-outbreak-in-dresden-marine-in-chile-chronicle-of-an-announced-infection
#8
Italo Fernández, Alejandro Mihovilovich
In commemoration of one hundred years of the beginning of World War I, the occurrence of an outbreak of trichinosis in the crew of the SMS Dresden, a German ship that participated in that world conflagration, is re-viewed. In September 1915, while the sailors of SMS Dresden were forcibly detained on Isla Quiriquina, Bío Bío Region, Chile, 60 individuals became ill. The cause of the outbreak was the consumption of sausages made from pork infected with the parasite Trichinella spiralis. There was a fatal case...
April 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28632176/the-ship-movement-trajectory-prediction-algorithm-using-navigational-data-fusion
#9
Piotr Borkowski
It is essential for the marine navigator conducting maneuvers of his ship at sea to know future positions of himself and target ships in a specific time span to effectively solve collision situations. This article presents an algorithm of ship movement trajectory prediction, which, through data fusion, takes into account measurements of the ship's current position from a number of doubled autonomous devices. This increases the reliability and accuracy of prediction. The algorithm has been implemented in NAVDEC, a navigation decision support system and practically used on board ships...
June 20, 2017: Sensors
https://www.readbyqxmd.com/read/28629732/impact-of-granulocyte-contamination-on-pbmc-integrity-of-shipped-blood-samples-implications-for-multi-center-studies-monitoring-regulatory-t-cells
#10
Charuta Agashe, David Chiang, Alexander Grishin, Madhan Masilamani, Stacie M Jones, Robert A Wood, Scott H Sicherer, A Wesley Burks, Donald Y M Leung, Peter Dawson, Hugh A Sampson, M Cecilia Berin
In centralized immune monitoring for a multi-center allergen immunotherapy trial, we observed frequent loss of CD4(+) T cell integrity following staining of cultured PBMCs with our regulatory T cell flow cytometry panel. Samples were marked by a loss of total cellular events, altered scatter properties, and reduced CD3(+)CD4(+) events. This occurred only in samples that were stained with Foxp3 and were therefore treated with Foxp3 fixation-permeabilization buffer. We identified granulocyte contamination in samples associated with a loss of integrity, and went on to test the impact of granulocyte depletion on day-old blood samples...
June 16, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28624673/a-geographical-analysis-of-trafficking-on-a-popular-darknet-market
#11
Julian Broséus, Damien Rhumorbarbe, Marie Morelato, Ludovic Staehli, Quentin Rossy
Cryptomarkets are online marketplaces, located on the darknet, that facilitate the trading of a variety of illegal goods, mostly drugs. While the literature essentially focus on drugs, various other goods and products related to financial or identity fraud, firearms, counterfeit goods, as well as doping products are also offered on these marketplaces. Through the analysis of relevant data collected on a popular marketplace in 2014-2015, Evolution, this research provides an analysis of the structure of trafficking (types and proportions of products, number of vendors and shipping countries)...
June 4, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28622113/seafarers-perception-of-job-demand-a-cross-sectional-study
#12
Luisa Maria Roberta Tedesco, Pietro Ferrara, Lucia Stromillo, Antonio Arnese, Luciana Albano
The study offers an insight regarding seafarers' perceptions towards factors of psychological distress on board. In order to identify stressors on sea-workers, a cross-sectional survey was conducted, targeting a population group of workers of Italian shipping companies sailing across the world. The research aimed to investigate workers' demographic and professional characteristics and in what ways them influence perception of job fatigue, using an Italian version of the Karasek questionnaire. The 80.1% of the involved seafarers returned the questionnaire, yielding a mean level of perceived job demand of 32...
June 16, 2017: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28621530/tailoring-the-oxygen-reduction-activity-of-hemoglobin-through-immobilization-within-microporous-organic-polymer%C3%A2-graphene-composite
#13
Ahmed B Soliman, Rana R Haikal, Arwa A Abugable, Mohamed H Hassan, Stavros G Karakalos, Perry J Pellechia, Hamdy H Hassan, Magdi Habeeb Yacoub, Mohamed H Alkordi
A facile one pot, bottom up, approach to construct composite materials of Graphene and a pyrimidine-based porous-organic polymer (PyPOP), as host for immobilizing human hemoglobin (Hb) biofunctional molecules is reported. The graphene was selected due to its excellent electrical conductivity, while the PyPOP was utilized due to its pronounced permanent microporosity and chemical functionality. This approach enabled enclathration of the hemoglobin within the microporous composite through a ship-in-a-bottle process, where the composite of the PyPOP@G was constructed from its molecular precursors, under mild reaction conditions...
June 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28619627/composition-spatial-distribution-and-sources-of-macro-marine-litter-on-the-gulf-of-alicante-seafloor-spanish-mediterranean
#14
Santiago García-Rivera, Jose Luis Sánchez Lizaso, Jose María Bellido Millán
The composition, spatial distribution and source of marine litter in the Spanish Southeast Mediterranean were assessed. The data proceed from a marine litter retention programme implemented by commercial trawlers and were analysed by GIS. By weight, 75.9% was plastic, metal and glass. Glass and plastics were mainly found close to the coast. A high concentration of metal was observed in some isolated zones of both open and coastal waters. Fishing activity was the source of 29.16% of the macro-marine litter, almost 68...
June 12, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28619186/ankle-brachial-index-and-peripheral-artery-disease-are-not-related-to%C3%A2-restless-legs-syndrome
#15
A Szentkirályi, H Völzke, W Hoffmann, M Dörr, H W Hense, K Berger
OBJECTIVE: Our aim was to investigate the relationship between impaired peripheral arterial circulation as measured by ankle-brachial index (ABI) and restless legs syndrome (RLS) in the general population. METHODS: Data are derived from three independent, German population-based, prospective studies: the control sample of BiDirect (N = 966), the second follow-up of SHIP (N = 2333), and a subsample of SHIP-Trend (N = 1269). RLS was assessed with questions based on the RLS minimal criteria...
July 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28618818/passive-bottom-reflection-loss-estimation-using-ship-noise-and-a-vertical-line-array
#16
Lanfranco Muzi, Martin Siderius, Christopher M Verlinden
An existing technique for passive bottom-loss estimation from natural marine surface noise (generated by waves and wind) is adapted to use noise generated by ships. The original approach-based on beamforming of the noise field recorded by a vertical line array of hydrophones-is retained; however, additional processing is needed in order for the field generated by a passing ship to show features that are similar to those of the natural surface-noise field. A necessary requisite is that the ship position, relative to the array, varies over as wide a range of steering angles as possible, ideally passing directly over the array to ensure coverage of the steepest angles...
June 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28617869/statins-are-related-to-impaired-exercise-capacity-in-males-but-not-females
#17
Martin Bahls, Stefan Groß, Till Ittermann, Raila Busch, Sven Gläser, Ralf Ewert, Henry Völzke, Stephan B Felix, Marcus Dörr
BACKGROUND: Exercise and statins reduce cardiovascular disease (CVD). Exercise capacity may be assessed using cardiopulmonary exercise testing (CPET). Whether statin medication is associated with CPET parameters is unclear. We investigated if statins are related with exercise capacity during CPET in the general population. METHODS: Cross-sectional data of two independent cohorts of the Study of Health in Pomerania (SHIP) were merged (n = 3,500; 50% males). Oxygen consumption (VO2) at peak exercise (VO2peak) and anaerobic threshold (VO2@AT) was assessed during symptom-limited CPET...
2017: PloS One
https://www.readbyqxmd.com/read/28616833/use-of-preservative-agents-and-antibiotics-for-increased-poliovirus-survival-on-positively-charged-filters
#18
Christine Susan Fagnant, Alexandra Lynn Kossik, Nicolette Angela Zhou, Liliana Sánchez-Gonzalez, Jill Christin Falman, Erika Karen Keim, Yarrow Linden, Alana Scheibe, Kilala Sayisha Barnes, Nicola Koren Beck, David S Boyle, John Scott Meschke
Environmental surveillance of poliovirus (PV) and other non-enveloped viruses can help identify silent circulation and is necessary to certify eradication. The bag-mediated filtration system is an efficient method to filter large volumes of environmental waters at field sites for monitoring the presence of viruses. As filters may require long transit times to off-site laboratories for processing, viral inactivation or overgrowth of bacteria and fungi can interfere with virus detection and quantification (Miki and Jacquet in Aquatic Microb Ecol 51(2):195-208, 2008)...
June 14, 2017: Food and Environmental Virology
https://www.readbyqxmd.com/read/28613817/neutron-reflection-study-of-surface-adsorption-of-fc-fab-and-the-whole-mab
#19
Zongyi Li, Ruiheng Li, Charles Smith, Fang Pan, Mario Campana, John Robert Peter Webster, Christopher F van der Walle, Shahid Uddin, Steven M Bishop, Jim Warwicker, Jian Ren Lu, Rojaramani Narwal
Characterizing the influence of Fc and Fab fragments on monoclonal antibody (mAb) adsorption at the air/water interface is an important step to understanding liquid mAb drug product stability during manufacture, shipping and storage. Here, neutron reflection is used to study the air/water adsorption of a mAb and its Fc and Fab fragments. By varying the isotopic contrast, the adsorbed amount, thickness, orientation and immersion of the adsorbed layers could be determined unambiguously. Whilst Fc adsorption reached saturation within the hour, its surface adsorbed amount showed little variation with bulk concentration...
June 14, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28611943/association-between-serum-thyroid-stimulating-hormone-levels-and-visceral-adipose-tissue-a-population-based-study-in-northeast-germany
#20
Tilman Witte, Henry Völzke, Markus M Lerch, Katrin Hegenscheid, Nele Friedrich, Till Ittermann, John A Batsis
BACKGROUND: Abdominal obesity is a major driver for adverse medical conditions. While an interaction between adipose tissue and thyroid function is thought to exist, to our knowledge, no study has examined the effect of thyroid-stimulating hormone (TSH) on visceral adipose tissue (VAT) in a population-based context. OBJECTIVE: We determined an association between serum TSH levels and VAT. METHODS: A sample of 1,021 female and 956 male adults aged 20-79 years was drawn from registry offices in the cross-sectional, population-based Study of Health in Pomerania Trend (SHIP Trend) in Northeast Germany from 2008 to 2012...
February 2017: European Thyroid Journal
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