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https://www.readbyqxmd.com/read/27912037/avalanche-accidents-causing-fatalities-are-they-any-different-in-the-summer
#1
Mathieu Pasquier, Olivier Hugli, Alexandre Kottmann, Frank Techel
: Pasquier, Mathieu, Olivier Hugli, Alexandre Kottmann, and Frank Techel. Avalanche accidents causing fatalities: are they any different in the summer? High Alt Med Biol. 16:000-000, 2016. AIMS: This retrospective study investigated the epidemiology of summer avalanche accidents that occurred in Switzerland and caused at least one fatality between 1984 and 2014. Summer avalanche accidents were defined as those that occurred between June 1st and October 31st. RESULTS: Summer avalanches caused 21 (4%) of the 482 avalanches with at least one fatality occurring during the study period, and 40 (6%) of the 655 fatalities...
December 2, 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27912028/formation-and-persistence-of-brine-on-mars-experimental-simulations-throughout-the-diurnal-cycle-at-the-phoenix-landing-site
#2
E Fischer, G M Martínez, N O Rennó
In the last few years, water ice and salts capable of melting this ice and producing liquid saline water (brine) have been detected on Mars. Moreover, indirect evidence for brine has been found in multiple areas of the planet. Here, we simulate full diurnal cycles of temperature and atmospheric water vapor content at the Phoenix landing site for the first time and show experimentally that, in spite of the low Mars-like chamber temperature, brine forms minutes after the ground temperature exceeds the eutectic temperature of salts in contact with water ice...
December 2, 2016: Astrobiology
https://www.readbyqxmd.com/read/27912011/reduced-snow-cover-alters-root-microbe-interactions-and-decreases-nitrification-rates-in-a-northern-hardwood-forest
#3
Patrick O Sorensen, Pamela H Templer, Lynn Christenson, Jorge Duran, Timothy Fahey, Melany C Fisk, Peter M Groffman, Jennifer L Morse, Adrien C Finzi
Snow cover is projected to decline during the next century in many ecosystems that currently experience a seasonal snowpack. Because snow insulates soils from frigid winter air temperatures, soils are expected to become colder and experience more winter soil freeze-thaw cycles as snow cover continues to decline. Tree roots are adversely affected by snowpack reduction, but whether loss of snow will affect root-microbe interactions remains largely unknown. The objective of this study was to distinguish and attribute direct (e...
December 2016: Ecology
https://www.readbyqxmd.com/read/27910845/snow-ice-and-other-wonders-of-water-a-tribute-to-the-hydrogen-bond-by-ivar-olovsson-world-scientific-2016-softcover-pp-124-price-gbp-13-00-isbn-9789814749367
#4
Enrique Espinosa
No abstract text is available yet for this article.
December 1, 2016: Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials
https://www.readbyqxmd.com/read/27909673/how-to-build-your-simple-and-cost-effective-arthroscopic-skills-simulator
#5
Georgios Arealis, James Holton, Joana Bento Rodrigues, Maria Sagkrioti, Martyn Snow, Mark Hamlet, Ofer Levy
Acquisition of arthroscopic skills is not always easy and can be time-consuming. Simulation in arthroscopy improves surgical skills and can bridge the gap between reduced surgical exposure and training time and the need to reach a required level of competency. We propose a method to create a simple and cost-effective arthroscopic skills simulator using readily available materials and a low-cost Web camera available from online shops. This arthroscopic simulation device can be used to improve skills of all levels of trainees at home, in a bioskills laboratory, or in the theater...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27906551/ald1613-a-novel-long-acting-monoclonal-antibody-to-control-acth-driven-pharmacology
#6
Andrew L Feldhaus, Katie Anderson, Benjamin Dutzar, Ethan Ojala, Patricia Dianne McNeill, Pei Fan, Jenny Mulligan, Sam Marzolf, Charlie Karasek, Michelle Scalley-Kim, Erica Stewart, Jens Billgren, Vanessa Rubin, Kathleen Schneider, David Jurchen, Kathy Snow, Shaun Barnett, Barbara Bengtsson, Brian Baker, John A Latham, Dan Allison, Leon F Garcia-Martinez
ACTH is the primary regulator of adrenal glucocorticoid production. Elevated levels of ACTH play a critical role in disease progression in several indications including congenital adrenal hyperplasia and Cushing's disease. We have generated a specific, high affinity, neutralizing monoclonal antibody (ALD1613) to ACTH. In vitro, ALD1613 neutralizes ACTH-induced signaling via all five melanocortin receptors and inhibited ACTH-induced cAMP accumulation in a mouse adrenal cell line (Y1). ALD1613 administration to wild-type rats significantly reduced plasma corticosterone levels in a dose dependent manner...
December 1, 2016: Endocrinology
https://www.readbyqxmd.com/read/27904945/-sarcoidosis-and-uveitis-an-update
#7
REVIEW
J G Garweg
Ocular involvement in sarcoidosis is present in up to one third of patients and is frequently manifested before the underlying systemic disease has been diagnosed. With a view to the therapeutic consequences an early diagnosis of the underlying disease is advantageous. In cases of visual loss early diagnostic measures include invasive procedures, such as ultrasound-guided bronchoalveolar lavage and transbronchial biopsy, if nodular conjunctival or cutaneous manifestations which would confirm the diagnosis are not present...
November 30, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/27903346/-effect-of-snow-sports-on-knee-cartilage-maturation-in-children-and-adolescent-with-mri-quantitative-analysis-zhang
#8
B T Zhang, L Liu, J Zheng, Y M Dai, S N Yu, G F Liu, L Liu
Objective: To evaluate the effect of snow sports to the knee cartilage maturation of children and adolescent with quantitative analysis of 3.0 T MRI. Methods: Twenty children and adolescent who underwent snow sports training more than 6 months (11 males and 9 females) were recruited and named with sports group, and twenty children and adolescent who live regularly without any exercise (10 males and 10 females) were recruited as control group from June 2014 to June 2015.Each group was divided into subgroups according to their gender...
November 22, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27901343/colonization-of-snow-by-microorganisms-as-revealed-using-miniature-raman-spectrometers-possibilities-for-detecting-carotenoids-of-psychrophiles-on-mars
#9
Jan Jehlička, Adam Culka, Linda Nedbalová
We tested the potential of a miniaturized Raman spectrometer for use in field detection of snow algae pigments. A miniature Raman spectrometer, equipped with an excitation laser at 532 nm, allowed for the detection of carotenoids in cells of Chloromonas nivalis and Chlamydomonas nivalis at different stages of their life cycle. Astaxanthin, the major photoprotective pigment, was detected in algal blooms originating in snows at two alpine European sites that differed in altitude (Krkonoše Mts., Czech Republic, 1502 m a...
November 30, 2016: Astrobiology
https://www.readbyqxmd.com/read/27900476/antarctomyces-pellizariae-sp-nov-a-new-endemic-blue-snow-resident-psychrophilic-ascomycete-fungus-from-antarctica
#10
Graciéle C A de Menezes, Valéria M Godinho, Bárbara A Porto, Vívian N Gonçalves, Luiz H Rosa
In the present study, we have identified and characterised a new snow resident ascomycete blue stain fungus from Antarctica named Antarctomyces pellizariae sp. nov. Menezes, Godinho, Porto, Gonçalves and Rosa, using polyphasic taxonomy techniques. This fungal species was recovered from the seasonal snow of the Antarctic Peninsula. Antarctomyces pellizariae displayed different macro- and micromorphology when compared with A. psychrotrophicus Stchigel and Guarro, the only other Antarctomyces species reported until date...
November 30, 2016: Extremophiles: Life Under Extreme Conditions
https://www.readbyqxmd.com/read/27891717/emerging-climate-driven-disturbance-processes-widespread-mortality-associated-with-snow-to-rain-transitions-across-10%C3%A2-of-latitude-and-half-the-range-of-a-climate-threatened-conifer
#11
Brian Buma, Paul E Hennon, Constance A Harrington, Jamie R Popkin, John Krapek, Melinda S Lamb, Lauren E Oakes, Sari Saunders, Stefan Zeglen
Climate change is causing rapid changes to forest disturbance regimes worldwide. While the consequences of climate change for existing disturbance processes, like fires, are relatively well studied, emerging drivers of disturbance such as snow loss and subsequent mortality are much less documented. As the climate warms, a transition from winter snow to rain in high latitudes will cause significant changes in environmental conditions such as soil temperatures, historically buffered by snow cover. The Pacific coast of North America is an excellent test case, as mean winter temperatures are currently at the snow-rain threshold and have been warming for approximately 100 years post-Little Ice Age...
November 5, 2016: Global Change Biology
https://www.readbyqxmd.com/read/27890966/climate-change-effects-on-airborne-pathogenic-bioaerosol-concentrations-a-scenario-analysis
#12
J P G van Leuken, A N Swart, P Droogers, A van Pul, D Heederik, A H Havelaar
The most recent IPCC report presented further scientific evidence for global climate change in the twenty-first century. Important secondary effects of climate change include those on water resource availability, agricultural yields, urban healthy living, biodiversity, ecosystems, food security, and public health. The aim of this explorative study was to determine the range of expected airborne pathogen concentrations during a single outbreak or release in a future climate compared to a historical climatic period (1981-2010)...
2016: Aerobiologia
https://www.readbyqxmd.com/read/27890563/exposure-factors-for-cleaning-automotive-care-and-surface-protection-products-for-exposure-assessments
#13
Ji Young Park, Miyoung Lim, Wonho Yang, Kiyoung Lee
Accurately measuring the usage patterns of consumer products (CPs) is important to conduct realistic exposure assessments. We determined the exposure factors for 18 consumer products: household bleach, mold stain remover, all-purpose cleaner, washing machine cleaner, air conditioner cleaner, glass cleaner, drain cleaner, adhesive remover, liquid snow chain, tire shine spray, wheel cleaner, rain repellent, car wax spray, leather polish, furniture polish, anti-fog product, fabric waterproofing spray, and rust inhibitor...
November 24, 2016: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27890416/larix-decidua-%C3%AE-18-o-tree-ring-cellulose-mainly-reflects-the-isotopic-signature-of-winter-snow-in-a-high-altitude-glacial-valley-of-the-european-alps
#14
Giovanni Leonelli, Giovanna Battipaglia, Paolo Cherubini, Matthias Saurer, Rolf T W Siegwolf, Maurizio Maugeri, Barbara Stenni, Stella Fusco, Valter Maggi, Manuela Pelfini
We analyzed the chronologies of cellulose stable isotopes (δ(13)C and δ(18)O) and tree-ring widths from European larch (Larix decidua) in a high-altitude site (2190ma.s.l.) at the bottom of a glacial valley in the Italian Alps, and investigated their dependence on monthly meteorological variables and δ(18)O precipitation values. The δ(18)O of tree-ring cellulose appears to be strongly driven by the δ(18)O of winter snowfall (November to March), which suggests that larch trees mostly use the snow-melt water of the previous winter during the growing season...
November 24, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27889953/ecology-under-lake-ice
#15
REVIEW
Stephanie E Hampton, Aaron W E Galloway, Stephen M Powers, Ted Ozersky, Kara H Woo, Ryan D Batt, Stephanie G Labou, Catherine M O'Reilly, Sapna Sharma, Noah R Lottig, Emily H Stanley, Rebecca L North, Jason D Stockwell, Rita Adrian, Gesa A Weyhenmeyer, Lauri Arvola, Helen M Baulch, Isabella Bertani, Larry L Bowman, Cayelan C Carey, Jordi Catalan, William Colom-Montero, Leah M Domine, Marisol Felip, Ignacio Granados, Corinna Gries, Hans-Peter Grossart, Juta Haberman, Marina Haldna, Brian Hayden, Scott N Higgins, Jeff C Jolley, Kimmo K Kahilainen, Enn Kaup, Michael J Kehoe, Sally MacIntyre, Anson W Mackay, Heather L Mariash, Robert M McKay, Brigitte Nixdorf, Peeter Nõges, Tiina Nõges, Michelle Palmer, Don C Pierson, David M Post, Matthew J Pruett, Milla Rautio, Jordan S Read, Sarah L Roberts, Jacqueline Rücker, Steven Sadro, Eugene A Silow, Derek E Smith, Robert W Sterner, George E A Swann, Maxim A Timofeyev, Manuel Toro, Michael R Twiss, Richard J Vogt, Susan B Watson, Erika J Whiteford, Marguerite A Xenopoulos
Winter conditions are rapidly changing in temperate ecosystems, particularly for those that experience periods of snow and ice cover. Relatively little is known of winter ecology in these systems, due to a historical research focus on summer 'growing seasons'. We executed the first global quantitative synthesis on under-ice lake ecology, including 36 abiotic and biotic variables from 42 research groups and 101 lakes, examining seasonal differences and connections as well as how seasonal differences vary with geophysical factors...
November 27, 2016: Ecology Letters
https://www.readbyqxmd.com/read/27889683/biomechanics-of-simulated-versus-natural-cross-country-sit-skiing
#16
V Rosso, L Gastaldi, W Rapp, S Lindinger, Y Vanlandewijck, V Linnamo
The purpose of this study was to investigate the biomechanics of cross-country sit-skiing in simulated and natural skiing. Thirteen international level athletes participated in a ski ergometer test (simulated conditions) and a test on snow in a ski-tunnel (natural conditions) using their personal sit-ski. Tests in both conditions were performed at individual maximal speed. When comparing the two conditions the main results were: (1) maximal speed in simulated conditions was lower (p<0.05) but correlated well with the natural condition (r=0...
November 11, 2016: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/27888312/akio-makishima-thermal-ionization-mass-spectrometry-tims-silicate-digestion-separation-and-measurement
#17
Mathew S Snow
No abstract text is available yet for this article.
November 25, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27885770/the-power-of-symbolic-capital-in-patient-and-public-involvement-in-health-research
#18
Louise Locock, Anne-Marie Boylan, Rosamund Snow, Sophie Staniszewska
BACKGROUND: Policy-makers and health research funders increasingly require researchers to demonstrate that they have involved patients in the design and conduct of research. However, the extent to which patients and public have the power to get involved on an equal footing is dependent on their economic, cultural, social and symbolic capital. OBJECTIVE: To explore power relations in patient and public involvement (PPI) in research, particularly how patients may wield symbolic capital to develop a more equal relationship...
November 24, 2016: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/27885769/diverging-shrub-and-tree-growth-from-the-polar-to-the-mediterranean-biomes-across-the-european-continent
#19
Elena Pellizzari, J Julio Camarero, Antonio Gazol, Elena Granda, Rohan Shetti, Martin Wilmking, Pavel Moiseev, Mario Pividori, Marco Carrer
Climate warming is expected to enhance productivity and growth of woody plants, particularly in temperature-limited environments at the northernmost or uppermost limits of their distribution. However, this warming is spatially uneven and temporally variable, and the rise in temperatures differently affects biomes and growth forms. Here, applying a dendroecological approach with generalized additive mixed models, we analysed how the growth of shrubby junipers and coexisting trees (larch and pine species) responds to rising temperatures along a 5000-km latitudinal range including sites from the Polar, Alpine to the Mediterranean biomes...
November 25, 2016: Global Change Biology
https://www.readbyqxmd.com/read/27881951/neuronal-gene-targets-of-nf-%C3%AE%C2%BAb-and-their-dysregulation-in-alzheimer-s-disease
#20
REVIEW
Wanda M Snow, Benedict C Albensi
Although, better known for its role in inflammation, the transcription factor nuclear factor kappa B (NF-κB) has more recently been implicated in synaptic plasticity, learning, and memory. This has been, in part, to the discovery of its localization not just in glia, cells that are integral to mediating the inflammatory process in the brain, but also neurons. Several effectors of neuronal NF-κB have been identified, including calcium, inflammatory cytokines (i.e., tumor necrosis factor alpha), and the induction of experimental paradigms thought to reflect learning and memory at the cellular level (i...
2016: Frontiers in Molecular Neuroscience
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