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https://www.readbyqxmd.com/read/28551511/the-effects-of-foot-cooling-on-postural-muscle-responses-to-an-unexpected-loss-of-balance
#1
Oran W Ferguson, Nadia Polskaia, Craig D Tokuno
The purpose of this study was to examine the role of foot sole somatosensory information during reactive postural control. Twenty young adults (22.0±1.4y) participated in this study. Baseline skin sensitivity from the foot sole was assessed using Semmes-Weinstein monofilaments. Postural muscle responses, in the form of electromyographic (EMG) onset latencies and amplitudes, were then obtained while participants recovered their balance while standing on a moveable platform that could translate in either the forward or backward direction...
May 25, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28550467/resource-partitioning-between-pacific-walruses-and-bearded-seals-in-the-alaska-arctic-and-sub-arctic
#2
L E Oxtoby, L Horstmann, S M Budge, D M O'Brien, S W Wang, T Schollmeier, M J Wooller
Climate-mediated changes in the phenology of Arctic sea ice and primary production may alter benthic food webs that sustain populations of Pacific walruses (Odobenus rosmarus divergens) and bearded seals (Erignathus barbatus). Interspecific resource competition could place an additional strain on ice-associated marine mammals already facing loss of sea ice habitat. Using fatty acid (FA) profiles, FA trophic markers, and FA stable carbon isotope analyses, we found that walruses and bearded seals partitioned food resources in 2009-2011...
May 26, 2017: Oecologia
https://www.readbyqxmd.com/read/28550281/decadal-variations-in-eastern-canada-s-taiga-wood-biomass-production-forced-by-ocean-atmosphere-interactions
#3
Etienne Boucher, Antoine Nicault, Dominique Arseneault, Yves Bégin, Mehdi Pasha Karami
Across Eastern Canada (EC), taiga forests represent an important carbon reservoir, but the extent to which climate variability affects this ecosystem over decades remains uncertain. Here, we analyze an extensive network of black spruce (Picea mariana Mill.) ring width and wood density measurements and provide new evidence that wood biomass production is influenced by large-scale, internal ocean-atmosphere processes. We show that while black spruce wood biomass production is primarily governed by growing season temperatures, the Atlantic ocean conveys heat from the subtropics and influences the decadal persistence in taiga forests productivity...
May 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28549743/intensive-care-nursing-students-perceptions-of-simulation-for-learning-confirming-communication-skills-a-descriptive-qualitative-study
#4
Marte-Marie Wallander Karlsen, Anita Kristin Gabrielsen, Anne Lise Falch, Dag-Gunnar Stubberud
AIM: The aim of this study was to explore intensive care nursing students experiences with confirming communication skills training in a simulation-based environment. RESEARCH METHODOLOGY: The study has a qualitative, exploratory and descriptive design. The participants were students in a post-graduate program in intensive care nursing, that had attended a one day confirming communication course. Three focus group interviews lasting between 60 and 80min were conducted with 14 participants...
May 23, 2017: Intensive & Critical Care Nursing: the Official Journal of the British Association of Critical Care Nurses
https://www.readbyqxmd.com/read/28549283/the-use-of-foot-pumps-compression-devices-in-the-perioperative-management-of-ankle-fractures-systematic-review-of-the-current-literature
#5
REVIEW
Rachel Clarkson, Samer S S Mahmoud, Amar Rangan, William Eardley, Paul Baker
BACKGROUND: Ankle fractures account for 9% of all fractures seen in the United Kingdom. 15,000 of these fractures undergo operative fixation each year. Soft tissue swelling impacts on timing of fixation due to fears of infection and wound dehiscence. The use of arterio-venous foot pumps (AVFP) is increasing in this population although the evidence for their efficacy is unclear. In order to address this, we present an overview of the evidence for AVFP device use following ankle fracture...
March 10, 2017: Foot
https://www.readbyqxmd.com/read/28548907/evaluation-of-thermal-optical-analysis-method-of-elemental-carbon-for-marine-fuel-exhaust
#6
Maija K Lappi, Jyrki P Ristimäki
The awareness of black carbon (BC) as the second largest anthropogenic contributor in global warming and an ice melting enhancer has increased. Due to prospected increase in shipping especially in the Arctic reliability of BC emissions and their invented amounts from ships is gaining more attention. The International Maritime Organisation (IMO) is actively working towards estimation of quantities and effects of BC especially in the Arctic. IMO has launched work towards constituting a definition for BC and agreeing appropriate methods for its determination from shipping emission sources...
May 26, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28547775/acidic-electrolyzed-water-delays-browning-by-destroying-conformation-of-polyphenoloxidase
#7
Jiangping Sun, Meng Wang, Haiquan Liu, Jing Xie, Yingjie Pan, Changhua Xu, Yong Zhao
BACKGROUND: Browning frequently occurs at fruits, vegetables and aquatic products during storage, it drastically reduces the consumer's acceptability and considerable financial loss. The objective of this paper was to investigate the effects of acidic electrolyzed water (AEW) technology on polyphenoloxidase (PPO), which is an essential enzyme for browning. RESULTS: AEW ice exhibited a good ability in delaying browning in shrimp. Kinetic study revealed that AEW exhibited the mixed type inhibition of PPO with Ki value of 1...
May 26, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28546635/local-cryotherapy-minimally-impacts-the-metabolome-and-transcriptome-of-human-skeletal-muscle
#8
Dylan C Sarver, Kristoffer B Sugg, Nathaniel P Disser, Elizabeth R Sibilsky Enselman, Tariq M Awan, Christopher L Mendias
Cryotherapy is commonly used in the treatment of skeletal muscle injuries. However, the data to support the use of cryotherapy is inconclusive, and the biochemical etiology of cryotherapy in human skeletal muscle remains largely unknown. We therefore sought to determine how a clinically-relevant dose of cryotherapy would impact the transcriptome and metabolome of skeletal muscle. Eight healthy male subjects (age 24.7 ± 4.5 years, BMI 22.2 ± 1.6) received a 15 minute bout of local cryotherapy, delivered via ice cup massage over the anterolateral thigh...
May 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28544339/family-functioning-and-perceived-support-from-nurses-during-cancer-treatment-among-danish-and-australian-patients-and-their-families
#9
Karin B Dieperink, Elisabeth Coyne, Debra K Creedy, Birte Østergaard
AIMS AND OBJECTIVES: This study aims to compare family functioning and perceptions of support from nurses among Danish and Australian adult oncology patients and family members. BACKGROUND: Family can have a strong influence on the health of individuals, providing support during a health crisis such as cancer. However, family functioning and supportive care from nurses may vary across cultures and settings. DESIGN AND METHODS: A descriptive, cross sectional comparative design with patients and family members from Denmark and Australia...
May 25, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28543364/diffusion-weighted-mri-with-minimal-distortion-in-head-and-neck-radiotherapy-using-a-turbo-spin-echo-acquisition-method
#10
Tim Schakel, Johannes M Hoogduin, Chris H J Terhaard, Marielle E P Philippens
PURPOSE: Diffusion weighted (DW) MRI, showing high contrast between tumor and background tissue, is a promising technique in radiotherapy for tumor delineation. However, its use for head-and-neck patients is hampered by poor geometric accuracy in conventional echo planar imaging (EPI) DW-MRI. An alternative turbo spin echo sequence, DW-SPLICE, is implemented and demonstrated in patients. METHODS: The DW-SPLICE sequence was implemented on a 3.0T system and evaluated in 10 patients...
May 23, 2017: Medical Physics
https://www.readbyqxmd.com/read/28543018/multiple-ice-binding-proteins-of-probable-prokaryotic-origin-in-an-antarctic-lake-alga-chlamydomonas-sp-ice-mdv-chlorophyceae
#11
James A Raymond
Ice-associated algae produce ice-binding proteins (IBPs) to prevent freezing damage. The IBPs of the three chlorophytes that have been examined so far share little similarity across species, making it likely that they were acquired by horizontal gene transfer (HGT). To clarify the importance and source of IBPs in chlorophytes, we sequenced the IBP genes of another Antarctic chlorophyte, Chlamydomonas sp. ICE-MDV (Chlamy-ICE). Genomic DNA and total RNA were sequenced and screened for known ice-associated genes...
May 19, 2017: Journal of Phycology
https://www.readbyqxmd.com/read/28542345/ancient-mtdna-diversity-reveals-specific-population-development-of-wild-horses-in-switzerland-after-the-last-glacial-maximum
#12
Julia Elsner, Michael Hofreiter, Jörg Schibler, Angela Schlumbaum
On large geographical scales, changes in animal population distribution and abundance are driven by environmental change due to climatic and anthropogenic processes. However, so far, little is known about population dynamics on a regional scale. We have investigated 92 archaeological horse remains from nine sites mainly adjacent to the Swiss Jura Mountains dating from c. 41,000-5,000 years BP. The time frame includes major environmental turning points such as the Last Glacial Maximum (LGM), followed by steppe vegetation, afforestation and initial re-opening of the landscape by human agricultural activities...
2017: PloS One
https://www.readbyqxmd.com/read/28542125/notes-from-the-field-measles-outbreak-at-a-united-states-immigration-and-customs-enforcement-facility-arizona-may-june-2016
#13
Heather Venkat, Ahmed M Kassem, Chia-Ping Su, Clancey Hill, Evan Timme, Graham Briggs, Kenneth Komatsu, Susan Robinson, Rebecca Sunenshine, Manisha Patel, Diana Elson, Paul Gastañaduy, Shane Brady
HASH(0x36f16f8)
May 26, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28542087/validity-of-postmortem-glycated-hemoglobin-to-determine-status-of-diabetes-mellitus-in-corneal-donors
#14
Mark C Soper, Santica M Marcovina, Caroline K Hoover, Peter M Calhoun, Kristen E McCoy, Christopher G Stoeger, Gregory A Schmidt, Baha M Arafah, Marianne O Price, Loretta B Szczotka-Flynn, Jonathan H Lass
PURPOSE: To examine the stability of postmortem glycated hemoglobin (HbA1c) measurement and its relationship to premortem glycemia. METHODS: Postmortem blood samples were obtained from 32 donors (8 known diabetic) and shipped on ice to a central laboratory to examine the stability of HbA1c measurements during the first 9 postmortem days. Thirty-nine other suspected diabetic donors underwent comparison of premortem and postmortem HbA1c measurements. RESULTS: Postmortem HbA1c measurements remained stable after 9 postmortem days (all measurements within ±0...
May 23, 2017: Cornea
https://www.readbyqxmd.com/read/28541703/molecular-origin-of-the-vibrational-structure-of-ice-ih
#15
Daniel R Moberg, Shelby C Straight, Christopher Knight, Francesco Paesani
An unambiguous assignment of the vibrational spectra of ice Ih remains a matter of debate. This study demonstrates that an accurate representation of many-body interactions between water molecules, combined with an explicit treatment of nuclear quantum effects through many-body molecular dynamics (MB-MD), leads to a unified interpretation of the vibrational spectra of ice Ih in terms of the structure and dynamics of the underlying hydrogen-bond network. All features of the infrared and Raman spectra in the OH stretching region can be unambiguously assigned by taking into account both the symmetry and the delocalized nature of the lattice vibrations as well as the local electrostatic environment experienced by each water molecule within the crystal...
May 26, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28540460/ultrasensitive-and-high-throughput-analysis-of-chlorophyll-a-in-marine-phytoplankton-extracts-using-a-fluorescence-microplate-reader
#16
Manolis Mandalakis, Austėja Stravinskaitė, Anna Lagaria, Stella Psarra, Paraskevi Polymenakou
Chlorophyll a (Chl a) is the predominant pigment in every single photosynthesizing organism including phytoplankton and one of the most commonly measured water quality parameters. Various methods are available for Chl a analysis, but the majority of them are of limited throughput and require considerable effort and time from the operator. The present study describes a high-throughput, microplate-based fluorometric assay for rapid quantification of Chl a in phytoplankton extracts. Microplate sealing combined with ice cooling was proved an effective means for diminishing solvent evaporation during sample loading and minimized the analytical errors involved in Chl a measurements with a fluorescence microplate reader...
May 25, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28540096/intra-articular-osteoid-osteoma-as-a-cause-of-anteromedial-knee-pain
#17
Ergin Sagtas, Kemal Gokkus, Ahmet Turan Aydin
A 32-year-old male patient presented to our clinic with chronic left knee pain that was ongoing for about 1.5 years. The patient visited several times our clinic and the other clinics; conservative treatment (including rest, knee brace, and ice application with NSAIDs) was recommended by various different doctors. The anamnesis, physical examination, and plain radiography were nonspecific. Early MRI findings mislead us to believe it is bone marrow edema. One and half years with noneffective treatment, the knee pain persisted...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28539141/individual-traits-personal-values-and-conflict-resolution-in-an-isolated-confined-extreme-environment
#18
Jesper G Corneliussen, Gloria R Leon, Anders Kjærgaard, Birgit A Fink, Noah C Venables
BACKGROUND: The study of personality traits, personal values, and the emergence of conflicts within groups performing in an isolated, confined, and extreme environment (ICE) may provide insights helpful for the composition and support of space crews for long duration missions. METHODS: Studied pre/post and over the 2-yr period of the investigation were 10 Danish military personnel deployed to stations in Greenland on a 26-mo staggered rotation. Subjects completed the NEO PI-R, Triarchic Psychopathy Measure, and Portrait Values Questionnaire, and participated in structured interviews...
June 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28538639/development-of-the-emergency-preservation-and-resuscitation-for-cardiac-arrest-from-trauma-epr-cat-clinical-trial
#19
Samuel A Tisherman, Hasan B Alam, Peter M Rhee, Thomas M Scalea, Tomas Drabek, Raquel M Forsythe, Patrick M Kochanek McCm
BACKGROUND: Patients who suffer a cardiac arrest from trauma rarely survive, even with aggressive resuscitation attempts, including an Emergency Department (ED) thoracotomy. Emergency Preservation and Resuscitation (EPR) was developed to utilize hypothermia to buy time to obtain hemostasis before irreversible organ damage occurs. Large animal studies have demonstrated that cooling to tympanic membrane temperature 10°C during exsanguination cardiac arrest can allow up to 2 hours of circulatory arrest and repair of simulated injuries with normal neurologic recovery...
May 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28537397/preparation-dependent-orientation-of-crystalline-ice-islands-on-ag-111
#20
Sarah-Charlotta Heidorn, Karsten Lucht, Cord Bertram, Karina Morgenstern
We observe the transformation of fractal ice islands grown at 96 K to compact ones annealed at 118 K and compare those to compact islands grown directly at 118 K. The low temperature grown islands form a four bilayer high wetting layer. The annealing causes a crystallization and reshaping of the islands and a substantial increase in height and roughness, in particular at higher coverage. Moreover, it leads to a dewetting of the ice film. The islands grown at the higher temperature show qualitative similarities to the annealed ones, at smaller nucleation density...
May 24, 2017: Journal of Physical Chemistry. B
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