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https://www.readbyqxmd.com/read/29156294/phospholipase-a1-based-cross-reactivity-among-venoms-of-clinically-relevant-hymenoptera-from-neotropical-and-temperate-regions
#1
Amilcar Perez-Riverol, Luís Gustavo Romani Fernandes, Alexis Musacchio Lasa, José Roberto Aparecido Dos Santos-Pinto, Débora Moitinho Abram, Gabriel Hideki Izuka Moraes, Frederic Jabs, Michaela Miehe, Henning Seismman, Mario Sergio Palma, Ricardo de Lima Zollner, Edzard Spillner, Márcia Regina Brochetto-Braga
Molecular cross-reactivity caused by allergen homology or cross-reactive carbohydrate determinants (CCDs) is a major challenge for diagnosis and immunotherapy of insect venom allergy. Venom phospholipases A1 (PLA1s) are classical, mostly non-glycosylated wasp and ant allergens that provide diagnostic benefit for differentiation of genuine sensitizations from cross-reactivity. As CCD-free molecules, venom PLA1s are not causative for CCD-based cross-reactivity. Little is known however about the protein-based cross-reactivity of PLA1 within vespid species...
November 17, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/29156272/a-quantitative-assessment-of-distributions-and-sources-of-tropospheric-halocarbons-measured-in-singapore
#2
Sayantan Sarkar, Wei Hong Fan, Shiguo Jia, Donald R Blake, Jeffrey S Reid, Puji Lestari, Liya E Yu
This work reports the first ground-based atmospheric measurements of 26 halocarbons in Singapore, an urban-industrial city-state in Southeast (SE) Asia. A total of 166 whole air canister samples collected during two intensive 7 Southeast Asian Studies (7SEAS) campaigns (August-October 2011 and 2012) were analyzed for C1-C2 halocarbons using gas chromatography-electron capture/mass spectrometric detection. The halocarbon dataset was supplemented with measurements of selected non-methane hydrocarbons (NMHCs), C1-C5 alkyl nitrates, sulfur gases and carbon monoxide to better understand sources and atmospheric processes...
November 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29156218/use-of-luminescent-gunshot-residues-markers-in-forensic-context-part-ii
#3
A M Arouca, M A M Lucena, R J Rossiter, M Talhavini, I T Weber
Gunshot residues (GSR) are important physical evidence in firearm-related crimes. Recently developed non-toxic ammunition, however, requires a new methodology for its characterization. To overcome this drawback, the introduction of noncommercial luminescent markers in ammunition was proposed. These markers, synthesized and added to the gunpowder, presented as a versatile tool for GSR analysis, since they require UV radiation alone to visualize the luminescent GSR (LGSR). This has opened up new perspectives for understanding GSR behavior at a crime scene...
November 6, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29155774/operation-of-a-25-kwth-calcium-looping-pilot-plant-with-high-oxygen-concentrations-in-the-calciner
#4
María Erans, Michal Jeremias, Vasilije Manovic, Edward J Anthony
Calcium looping (CaL) is a post-combustion CO2 capture technology that is suitable for retrofitting existing power plants. The CaL process uses limestone as a cheap and readily available CO2 sorbent. While the technology has been widely studied, there are a few available options that could be applied to make it more economically viable. One of these is to increase the oxygen concentration in the calciner to reduce or eliminate the amount of recycled gas (CO2, H2O and impurities); therefore, decreasing or removing the energy necessary to heat the recycled gas stream...
October 25, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29152203/pyric-carnivory-raptor-use-of-prescribed-fires
#5
Torre J Hovick, Devan A McGranahan, R Dwayne Elmore, John R Weir, Samuel D Fuhlendorf
Fire is a process that shaped and maintained most terrestrial ecosystems worldwide. Changes in land use and patterns of human settlement have altered fire regimes and led to fire suppression resulting in numerous undesirable consequences spanning individual species and entire ecosystems. Many obvious and direct consequences of fire suppression have been well studied, but several, albeit less obvious, costs of alteration to fire regimes on wildlife are unknown. One such phenomenon is the response of carnivores to fire events-something we refer to as pyric-carnivory...
November 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/29151402/difference-in-first-aid-activity-during-mass-casualty-training-based-on-having-taken-an-educational-course
#6
Youichi Yanagawa, Kazuhiko Omori, Kouhei Ishikawa, Ikuto Takeuchi, Kei Jitsuiki, Toshihiko Yoshizawa, Jun Sato, Hideyuki Matsumoto, Masaru Tsuchiya, Hiromichi Osaka
BACKGROUND: The Japanese Association for Disaster Medicine developed a mass casualty life support (MCLS) course to improve cooperation among medical practitioners during a disaster, which is essential for reducing the rates of preventable disaster death. We investigated whether there was difference in first aid activity among members of the ambulance service during mass casualty training based on having taken the MCLS course. METHODS: Mass casualty training was held at the fire department of Numazu City...
November 20, 2017: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/29151188/dry-flue-gas-desulfurization-by-product-application-effects-on-plant-uptake-and-soil-storage-changes-in-a-managed-grassland
#7
Jason R Burgess-Conforti, Kristofor R Brye, David M Miller, Erik D Pollock, Lisa S Wood
Environmental regulations mandate that sulfur dioxide (SO2) be removed from the flue gases of coal-fired power plants, which results in the generation of flue gas desulfurization (FGD) by-products. These FGD by-products may be a viable soil amendment, but the large amounts of trace elements contained in FGD by-products are potentially concerning. The objective of this study was to evaluate the effects of land application of a high-Ca dry FGD (DFGD) by-product on trace elements in aboveground biomass and soil...
November 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29150965/i-thought-he-was-going-to-set-our-house-on-fire
#8
Nancy Lutwak
Recently the wife of an octogenarian suffering from dementia brought her husband to the emergency department stating, "I can't take care of him anymore. He is becoming more aggressive. I thought he was going to set our house on fire last night". She recounted finding her husband in the kitchen at the range turning the dials. This article is protected by copyright. All rights reserved.
November 18, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29150865/enhanced-mu-opioid-receptor-dependent-opioidergic-modulation-of-striatal-cholinergic-transmission-in-dyt1-dystonia
#9
Giulia Ponterio, Annalisa Tassone, Giuseppe Sciamanna, Valentina Vanni, Maria Meringolo, Massimo Santoro, Nicola Biagio Mercuri, Paola Bonsi, Antonio Pisani
BACKGROUND: Mu opioid receptor activation modulates acetylcholine release in the dorsal striatum, an area deeply involved in motor function, habit formation, and reinforcement learning as well as in the pathophysiology of different movement disorders, such as dystonia. Although the role of opioids in drug reward and addiction is well established, their involvement in motor dysfunction remains largely unexplored. METHODS: We used a multidisciplinary approach to investigate the responses to mu activation in 2 mouse models of DYT1 dystonia (Tor1a(+/Δgag) mice, Tor1a(+/-) torsinA null mice, and their respective wild-types)...
November 18, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29150838/gi-530159-a-novel-selective-mechano-sensitive-k2p-channel-opener-reduces-rat-dorsal-root-ganglion-drg-neuron-excitability
#10
Alexandre J C Loucif, Pierre-Philippe Saintot, Jia Liu, Brett M Antonio, Shannon G Zellmer, Katrina Yoger, Emma L Veale, Anna Wilbrey, Kiyoyuki Omoto, Lishuang Cao, Alex Gutteridge, Neil A Castle, Edward B Stevens, Alistair Mathie
BACKGROUND AND PURPOSE: TREK two pore domain potassium channels play a critical role in regulating the excitability of somatosensory nociceptive neurons and are important mediators of pain perception. An understanding of the roles of TREK channels in pain perception and, indeed, in other pathophysiological conditions, has been severely hampered by the lack of potent and/or selective activators and inhibitors. In this study we describe a new, selective opener of TREK channels, GI-530159 (4,4'-(Hexafluoroisopropylidene)bis(p-phenyleneoxy)dianiline)...
November 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29150760/slow-passage-through-a-hopf-bifurcation-in-excitable-nerve-cables-spatial-delays-and-spatial-memory-effects
#11
L M Bilinsky, S M Baer
It is well established that in problems featuring slow passage through a Hopf bifurcation (dynamic Hopf bifurcation) the transition to large-amplitude oscillations may not occur until the slowly changing parameter considerably exceeds the value predicted from the static Hopf bifurcation analysis (temporal delay effect), with the length of the delay depending upon the initial value of the slowly changing parameter (temporal memory effect). In this paper we introduce new delay and memory effect phenomena using both analytic (WKB method) and numerical methods...
November 17, 2017: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/29149879/risk-management-of-emergency-service-vehicle-crashes-in-the-united-states-fire-service-process-outputs-and-recommendations
#12
David P Bui, Keshia P Porter, Stephanie Griffin, Dustin D French, Alesia M Jung, Stephen Crothers, Jefferey L Burgess
BACKGROUND: Emergency service vehicle crashes (ESVCs) are a leading cause of death in the United States fire service. Risk management (RM) is a proactive process for identifying occupational risks and reducing hazards and unwanted events through an iterative process of scoping hazards, risk assessment, and implementing controls. We describe the process, outputs, and lessons learned from the application of a proactive RM process to reduce ESVCs in US fire departments. METHODS: Three fire departments representative of urban, suburban, and rural geographies, participated in a facilitated RM process delivered through focus groups and stakeholder discussion...
November 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29149606/chronic-stress-alters-striosome-circuit-dynamics-leading-to-aberrant-decision-making
#13
Alexander Friedman, Daigo Homma, Bernard Bloem, Leif G Gibb, Ken-Ichi Amemori, Dan Hu, Sebastien Delcasso, Timothy F Truong, Joyce Yang, Adam S Hood, Katrina A Mikofalvy, Dirk W Beck, Norah Nguyen, Erik D Nelson, Sebastian E Toro Arana, Ruth H Vorder Bruegge, Ki A Goosens, Ann M Graybiel
Effective evaluation of costs and benefits is a core survival capacity that in humans is considered as optimal, "rational" decision-making. This capacity is vulnerable in neuropsychiatric disorders and in the aftermath of chronic stress, in which aberrant choices and high-risk behaviors occur. We report that chronic stress exposure in rodents produces abnormal evaluation of costs and benefits resembling non-optimal decision-making in which choices of high-cost/high-reward options are sharply increased...
November 16, 2017: Cell
https://www.readbyqxmd.com/read/29147694/emerging-investigator-series-the-effect-of-wildfire-on-streamwater-mercury-and-organic-carbon-in-a-forested-watershed-in-the-southeastern-united-states
#14
Allison M Jensen, Todd M Scanlon, Ami L Riscassi
Wildfires alter forested ecosystems, which include large stores of mercury (Hg) and organic carbon, two compounds that are closely linked in vegetation, soils, and streamwater. Studies have shown that wildfires release elevated levels of mercury to the atmosphere which can be locally redeposited and leave charred organic material (vegetation and litter) on the soil surface. Both can contribute to the elevated mobilization of Hg into lakes and streams. However, no studies have conducted a detailed examination of hydrological transport of Hg following a wildfire...
November 17, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/29146842/genome-sequences-of-19-novel-erwinia-amylovora-bacteriophages
#15
Ian N D Esplin, Jordan A Berg, Ruchira Sharma, Robert C Allen, Daniel K Arens, Cody R Ashcroft, Shannon R Bairett, Nolan J Beatty, Madeline Bickmore, Travis J Bloomfield, T Scott Brady, Rachel N Bybee, John L Carter, Minsey C Choi, Steven Duncan, Christopher P Fajardo, Brayden B Foy, David A Fuhriman, Paul D Gibby, Savannah E Grossarth, Kala Harbaugh, Natalie Harris, Jared A Hilton, Emily Hurst, Jonathan R Hyde, Kayleigh Ingersoll, Caitlin M Jacobson, Brady D James, Todd M Jarvis, Daniella Jaen-Anieves, Garrett L Jensen, Bradley K Knabe, Jared L Kruger, Bryan D Merrill, Jenny A Pape, Ashley M Payne Anderson, David E Payne, Malia D Peck, Samuel V Pollock, Micah J Putnam, Ethan K Ransom, Devin B Ririe, David M Robinson, Spencer L Rogers, Kerri A Russell, Jonathan E Schoenhals, Christopher A Shurtleff, Austin R Simister, Hunter G Smith, Michael B Stephenson, Lyndsay A Staley, Jason M Stettler, Mallorie L Stratton, Olivia B Tateoka, P J Tatlow, Alexander S Taylor, Suzanne E Thompson, Michelle H Townsend, Trever L Thurgood, Brittian K Usher, Kiara V Whitley, Andrew T Ward, Megan E H Ward, Charles J Webb, Trevor M Wienclaw, Taryn L Williamson, Michael J Wells, Cole K Wright, Donald P Breakwell, Sandra Hope, Julianne H Grose
Erwinia amylovora is the causal agent of fire blight, a devastating disease affecting some plants of the Rosaceae family. We isolated bacteriophages from samples collected from infected apple and pear trees along the Wasatch Front in Utah. We announce 19 high-quality complete genome sequences of E. amylovora bacteriophages.
November 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29146825/toroidal-plasmoid-generation-via-extreme-hydrodynamic-shear
#16
Morteza Gharib, Sean Mendoza, Moshe Rosenfeld, Masoud Beizai, Francisco J Alves Pereira
Saint Elmo's fire and lightning are two known forms of naturally occurring atmospheric pressure plasmas. As a technology, nonthermal plasmas are induced from artificially created electromagnetic or electrostatic fields. Here we report the observation of arguably a unique case of a naturally formed such plasma, created in air at room temperature without external electromagnetic action, by impinging a high-speed microjet of deionized water on a dielectric solid surface. We demonstrate that tribo-electrification from extreme and focused hydrodynamic shear is the driving mechanism for the generation of energetic free electrons...
November 16, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29146456/is-more-always-better-how-different-doses-of-exercise-after-incomplete-spinal-cord-injury-affects-the-membrane-properties-of-deep-dorsal-horn-interneurons
#17
M M Rank, M P Galea, R Callister, R J Callister
Interneurons in the deep dorsal horn (DDH) of the spinal cord process somatosensory input, and form an important link between upper and lower motoneurons to subsequently shape motor output. Exercise training after SCI is known to improve functional motor recovery, but little is known about the mechanisms within spinal cord neurons that underlie these improvements. Here we investigate how the properties of DDH interneurons are affected by spinal cord injury (SCI) alone, and SCI in combination with different 'doses' of treadmill exercise training (3, 6, and 9wks)...
November 13, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29146076/short-term-effects-of-prescribed-burning-on-litterfall-biomass-in-mixed-stands-of-pinus-nigra-and-pinus-pinaster-and-pure-stands-of-pinus-nigra-in-the-cuenca-mountains-central-eastern-spain
#18
J Espinosa, J Madrigal, A C De La Cruz, M Guijarro, E Jimenez, C Hernando
Fire severity, defined as the magnitude of fire effects in an ecosystem, is a key factor to consider in planning management strategies for protecting forests against fire. Although prescribed burning has been used as a fuel reduction tool in forest ecosystems, it is quite limited in the Mediterranean region. Furthermore, little is known about how tree crowns are affected by prescribed underburning aimed at reducing fire severity in conifer stands. As part of an ongoing study to assess the effects of prescribed burning on the tree canopy, litterfall is currently being monitored in a network of experimental plots located in mixed (Pinus nigra and Pinus pinaster) and pure (P...
November 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29145670/sequential-firing-codes-for-time-in-rodent-medial-prefrontal-cortex
#19
Zoran Tiganj, Min Whan Jung, Jieun Kim, Marc W Howard
A subset of hippocampal neurons, known as "time cells" fire sequentially for circumscribed periods of time within a delay interval. We investigated whether medial prefrontal cortex (mPFC) also contains time cells and whether their qualitative properties differ from those in the hippocampus and striatum. We studied the firing correlates of neurons in the rodent mPFC during a temporal discrimination task. On each trial, the animals waited for a few seconds in the stem of a T-maze. A subpopulation of units fired in a sequence consistently across trials for a circumscribed period during the delay interval...
December 1, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/29145432/evaluating-the-intensity-of-fire-at-the-acheulian-site-of-gesher-benot-ya-aqov-spatial-and-thermoluminescence-analyses
#20
Nira Alperson-Afil, Daniel Richter, Naama Goren-Inbar
This manuscript presents an attempt to evaluate the intensity of fire through spatial patterning and thermoluminescence methodology. Previous studies of Layer II-6 Level 2 at the Acheulian site of Gesher Benot Ya'aqov suggested that hominins differentiated their activities across space, including multiple activities around a hearth reconstructed on the basis of the distribution of burned flint artifacts. A transect of ~4 m was extended from the center of the reconstructed hearth of Level 2 to its periphery in order to examine the intensity of fire...
2017: PloS One
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