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https://www.readbyqxmd.com/read/28206876/sample-treatment-in-pesticide-residue-determination-in-food-by-high-resolution-mass-spectrometry-are-generic-extraction-methods-the-end-of-the-road
#1
Roberto Romero-González, Francisco Javier Arrebola Liébanas, Rosalía López-Ruiz, Antonia Garrido Frenich
The use of high-resolution MS (HRMS) is becoming popular in laboratories for the determination of pesticide residues in food commodities. The recent improvements in the instrumentation have helped to increase the number of active compounds and transformation products that can be monitored within a simple chromatographic run. However, prior to instrumental determination, it is necessary to perform a nonspecific, or generic, sample treatment that allows the efficient extraction of several compounds with very relevant differences in their physical and chemical properties...
November 1, 2016: Journal of AOAC International
https://www.readbyqxmd.com/read/28199630/end-of-the-road-for-aliskiren-in-heart-failure
#2
Andros Tofield
No abstract text is available yet for this article.
February 1, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28194374/regenerative-potential-of-the-cartilaginous-tissue-in-mesenchymal-stem-cells-update-limitations-and-challenges
#3
Ivana Beatrice Mânica da Cruz, Antônio Lourenço Severo, Verônica Farina Azzolin, Luiz Filipe Machado Garcia, André Kuhn, Osvandré Lech
Advances in the studies with adult mesenchymal stem cells (MSCs) have turned tissue regenerative therapy into a promising tool in many areas of medicine. In orthopedics, one of the main challenges has been the regeneration of cartilage tissue, mainly in diarthroses. In the induction of the MSCs, in addition to cytodifferentiation, the microenvironmental context of the tissue to be regenerated and an appropriate spatial arrangement are extremely important factors. Furthermore, it is known that MSC differentiation is fundamentally determined by mechanisms such as cell proliferation (mitosis), biochemical-molecular interactions, movement, cell adhesion, and apoptosis...
January 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28162916/investigation-on-occupant-injury-severity-in-rear-end-crashes-involving-trucks-as-the-front-vehicle-in-beijing-area-china
#4
Quan Yuan, Meng Lu, Athanasios Theofilatos, Yi-Bing Li
PURPOSE: Rear-end crashes attribute to a large portion of total crashes in China, which lead to many casualties and property damage, especially when involving commercial vehicles. This paper aims to investigate the critical factors for occupant injury severity in the specific rear-end crash type involving trucks as the front vehicle (FV). METHODS: This paper investigated crashes occurred from 2011 to 2013 in Beijing area, China and selected 100 qualified cases i...
November 9, 2016: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28153551/current-and-future-percutaneous-strategies-for-the-treatment-of-acute-and-chronic-heart-failure
#5
Ignacio J Amat-Santos, Luis H Varela-Falcón, William T Abraham
The prevalence of heart failure (HF) has risen in parallel with improved survival in patients after a myocardial infarction and an aging population worldwide. In recent years, new percutaneous therapies have been developed to complement current established treatments for acute/decompensated and chronic HF and minimize risks. In acute presentations, the failure of medical treatment is no longer the end of the road in refractory circulatory shock; the use of mechanical circulatory support devices may be the next milestone in well-resourced health settings...
January 30, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28125994/measuring-geographical-accessibility-to-palliative-and-end-of-life-peolc-related-facilities-a-comparative-study-in-an-area-with-well-developed-specialist-palliative-care-spc-provision
#6
COMPARATIVE STUDY
Clare Pearson, Julia Verne, Claudia Wells, Giovanna M Polato, Irene J Higginson, Wei Gao
BACKGROUND: Geographical accessibility is important in accessing healthcare services. Measuring it has evolved alongside technological and data analysis advances. High correlations between different methods have been detected, but no comparisons exist in the context of palliative and end of life care (PEoLC) studies. To assess how geographical accessibility can affect PEoLC, selection of an appropriate method to capture it is crucial. We therefore aimed to compare methods of measuring geographical accessibility of decedents to PEoLC-related facilities in South London, an area with well-developed SPC provision...
January 26, 2017: BMC Palliative Care
https://www.readbyqxmd.com/read/28125956/problems-of-video-based-pain-detection-in-patients-with-dementia-a-road-map-to-an-interdisciplinary-solution
#7
EDITORIAL
Miriam Kunz, Dominik Seuss, Teena Hassan, Jens U Garbas, Michael Siebers, Ute Schmid, Michael Schöberl, Stefan Lautenbacher
BACKGROUND: Given the unreliable self-report in patients with dementia, pain assessment should also rely on the observation of pain behaviors, such as facial expressions. Ideal observers should be well trained and should observe the patient continuously in order to pick up any pain-indicative behavior; which are requisitions beyond realistic possibilities of pain care. Therefore, the need for video-based pain detection systems has been repeatedly voiced. Such systems would allow for constant monitoring of pain behaviors and thereby allow for a timely adjustment of pain management in these fragile patients, who are often undertreated for pain...
January 26, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28106746/fisheye-based-method-for-gps-localization-improvement-in-unknown-semi-obstructed-areas
#8
Julien Moreau, Sébastien Ambellouis, Yassine Ruichek
A precise GNSS (Global Navigation Satellite System) localization is vital for autonomous road vehicles, especially in cluttered or urban environments where satellites are occluded, preventing accurate positioning. We propose to fuse GPS (Global Positioning System) data with fisheye stereovision to face this problem independently to additional data, possibly outdated, unavailable, and needing correlation with reality. Our stereoscope is sky-facing with 360° × 180° fisheye cameras to observe surrounding obstacles...
January 17, 2017: Sensors
https://www.readbyqxmd.com/read/28102303/panmixia-and-dispersal-from-the-mediterranean-basin-to-macaronesian-islands-of-a-macrolichen-species
#9
David Alors, Francesco Dal Grande, Paloma Cubas, Ana Crespo, Imke Schmitt, M Carmen Molina, Pradeep K Divakar
The Mediterranean region, comprising the Mediterranean Basin and the Macaronesian Islands, represents a center of diversification for many organisms. The genetic structure and connectivity of mainland and island microbial populations has been poorly explored, in particular in the case of symbiotic fungi. Here we investigated genetic diversity and spatial structure of the obligate outcrossing lichen-forming fungus Parmelina carporrhizans in the Mediterranean region. Using eight microsatellite and mating-type markers we showed that fungal populations are highly diverse but lack spatial structure...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28088757/challenges-in-neonatal-transport-in-jamaica-a-resource-limited-setting
#10
Salome Henry, Helen Trotman
AIM: This study aimed to determine challenges associated with neonatal transport in Jamaica, a resource-limited setting. METHODS: This was a prospective descriptive study of neonates transported to the University Hospital of the West Indies (UHWI) over a 15 month period. Data on the clinical status of the neonates before, during and at the end of transport, as well as on accompanying staff and equipment, were collected. Neonatal demographics, reason for transfer and outcome at 48 h and at discharge were also collected...
January 14, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28062518/implementing-montessori-methods-for-dementia-a-scoping-review
#11
REVIEW
Sander L Hitzig, Christine L Sheppard
PURPOSE OF THE STUDY: A scoping review was conducted to develop an understanding of Montessori-based programing (MBP) approaches used in dementia care and to identify optimal ways to implement these programs across various settings. DESIGN AND METHODS: Six peer-reviewed databases were searched for relevant abstracts by 2 independent reviewers. Included articles and book chapters were those available in English and published by the end of January 2016. Twenty-three articles and 2 book chapters met the inclusion criteria...
January 6, 2017: Gerontologist
https://www.readbyqxmd.com/read/28060704/segnet-a-deep-convolutional-encoder-decoder-architecture-for-scene-segmentation
#12
Vijay Badrinarayanan, Alex Kendall, Roberto Cipolla
We present a novel and practical deep fully convolutional neural network architecture for semantic pixel-wise segmentation termed SegNet. This core trainable segmentation engine consists of an encoder network, a corresponding decoder network followed by a pixel-wise classification layer. The architecture of the encoder network is topologically identical to the 13 convolutional layers in the VGG16 network [1]. The role of the decoder network is to map the low resolution encoder feature maps to full input resolution feature maps for pixel-wise classification...
January 2, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28043705/characteristics-of-pahs-in-street-dust-of-beijing-and-the-annual-wash-off-load-using-an-improved-load-calculation-method
#13
Yingxia Li, Ningning Song, Yang Yu, Zhifeng Yang, Zhenyao Shen
A significant amount of polycyclic aromatic hydrocarbons (PAHs) adsorbed in street dust ends up in runoff. Accordingly, evaluating the content, possible wash-off load and constituent risks associated with street dust is critical for urban runoff usage. Based on the PAH concentrations examined in this study, different risk assessment methods were applied and the differences among results were analyzed. An improved PAH wash-off calculation method was established and the annual PAH wash-off load was obtained. In addition, emission sources were diagnosed based on isomer ratios and PMF methods...
December 30, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/28043070/opportunities-and-limitations-for-intersection-collision-intervention-a-study-of-real-world-left-turn-across-path-accidents
#14
Ulrich Sander
Turning across the path of oncoming vehicle accidents are frequent and dangerous. To date not many car manufacturers have introduced Automated Emergency Braking (AEB) systems addressing this type of conflict situation, but it is foreseeable that these scenarios will be part of the Euro NCAP 2020 rating. Nine out of ten collisions are caused by the driver of the turning vehicle. An AEB system evaluating the ego and conflict vehicle driver's possibilities to avoid a pending crash by either braking or steering was specified for application in various constellations of vehicle collisions...
February 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28040048/noise-sensitivity-and-loudness-derivative-index-for-urban-road-traffic-noise-annoyance-computation
#15
Laure-Anne Gille, Catherine Marquis-Favre, Reinhard Weber
Urban road traffic composed of powered-two-wheelers (PTWs), buses, heavy, and light vehicles is a major source of noise annoyance. In order to assess annoyance models considering different acoustical and non-acoustical factors, a laboratory experiment on short-term annoyance due to urban road traffic noise was conducted. At the end of the experiment, participants were asked to rate their noise sensitivity and to describe the noise sequences they heard. This verbalization task highlights that annoyance ratings are highly influenced by the presence of PTWs and by different acoustical features: noise intensity, irregular temporal amplitude variation, regular amplitude modulation, and spectral content...
December 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28038877/emissions-of-organic-pollutants-from-traffic-and-roads-priority-pollutants-selection-and-substance-flow-analysis
#16
Anna Markiewicz, Karin Björklund, Eva Eriksson, Yuliya Kalmykova, Ann-Margret Strömvall, Anna Siopi
A large number of organic pollutants (OPs) emitted from vehicles and traffic-related activities exhibit environmental persistence and a tendency to bioaccumulate, and may have detrimental long-term effects on aquatic life. The aim of the study was to establish a list of significant sources of OPs occurring in road runoff, identify the OPs emitted from these sources, select a number of priority pollutants (PP), and estimate the quantity of PPs emitted in a road environment case study using substance flow analysis (SFA)...
February 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28036065/design-of-a-mobile-low-cost-sensor-network-using-urban-buses-for-real-time-ubiquitous-noise-monitoring
#17
Rosa Ma Alsina-Pagès, Unai Hernandez-Jayo, Francesc Alías, Ignacio Angulo
One of the main priorities of smart cities is improving the quality of life of their inhabitants. Traffic noise is one of the pollutant sources that causes a negative impact on the quality of life of citizens, which is gaining attention among authorities. The European Commission has promoted the Environmental Noise Directive 2002/49/EC (END) to inform citizens and to prevent the harmful effects of noise exposure. The measure of acoustic levels using noise maps is a strategic issue in the END action plan. Noise maps are typically calculated by computing the average noise during one year and updated every five years...
December 29, 2016: Sensors
https://www.readbyqxmd.com/read/28004145/nobel-prize-nominees-and-the-rise-of-urology-in-europe-around-1900
#18
Nils Hansson, Matthis Krischel, Thorsten Halling, Friedrich Moll, Heiner Fangerau
PURPOSE: Recent historical research has reconstructed the roads leading to the Nobel Prize for the trained urologists Werner Forssmann (1904-1979) in 1956 and Charles Huggins (1901-1997) in 1966. However, the story of urology and the Nobel Prize does not start and end with the laureates. Taking James Israel (1848-1926), Félix Guyon (1831-1920), and Peter J Freyer (1852-1921) as examples, this paper shows that pioneers in urology were in fact runners-up for the award much earlier. METHODS: The study is based on an analysis of original files in the Nobel Prize archive in Stockholm, scientific publications of the early twentieth century, and secondary literature...
December 21, 2016: World Journal of Urology
https://www.readbyqxmd.com/read/27999053/issues-in-antifungal-stewardship-an-opportunity-that-should-not-be-lost
#19
Chand Wattal, Arunaloke Chakrabarti, Jaswinder Kaur Oberoi, J Peter Donnelly, Rosemary A Barnes, B L Sherwal, Neeraj Goel, Sonal Saxena, George M Varghese, Rajeev Soman, Poonam Loomba, Bansidhar Tarai, Sanjay Singhal, Naimish Mehta, V Ramasubramanian, Dharma Choudhary, Yatin Mehta, Supradip Ghosh, Sumathi Muralidhar, Ravinder Kaur
Many countries have observed an increase in the incidence of invasive fungal infections (IFIs) over the past two decades with emergence of new risk factors and isolation of new fungal pathogens. Early diagnosis and appropriate antifungal treatment remain the cornerstones of successful outcomes. However, due to non-specific clinical presentations and limited availability of rapid diagnostic tests, in more than half of cases antifungal treatment is inappropriate. As a result, the emergence of antifungal resistance both in yeasts and mycelial fungi is becoming increasingly common...
December 20, 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27938449/ems-systems-in-lower-middle-income-countries-a-literature-review
#20
Suryanto, Virginia Plummer, Malcolm Boyle
: Introduction Prehospital care is one of the many issues that require addressing by lower-middle income countries (LMICs) where approximately 90% of global injuries occur. This may arise from more traffic in LMICs, poor road conditions, lack of public awareness of the importance of road safety, and the lack of ability to provide first aid to the victims. However, prehospital care in LMICs remains underdeveloped. Problem There is insufficient evidence regarding the development of prehospital care among LMICs...
February 2017: Prehospital and Disaster Medicine
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