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https://www.readbyqxmd.com/read/27920541/the-effect-of-body-mass-index-on-perioperative-thermoregulation
#1
Ayşe Belin Özer, Aysun Yildiz Altun, Ömer Lütfi Erhan, Tuba Çatak, Ümit Karatepe, İsmail Demirel, Gonca Çağlar Toprak
PURPOSE: We evaluated the effects of body mass index (BMI) on thermoregulation in obese patients scheduled to undergo laparoscopic abdominal surgery. METHODS: Sixty patients scheduled to undergo laparoscopic abdominal surgery with no pre-medication were included in the study. The patients were classified into 4 groups according to BMI <24.9, 25-39.9, 40-49.9, and >50. Anesthesia was provided with routine techniques. Tympanic and peripheral temperatures were recorded every 5 minutes starting with the induction of anesthesia...
2016: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/27919274/altered-pharmacological-effects-of-adrenergic-agonists-during-hypothermia
#2
REVIEW
Erik Sveberg Dietrichs, Georg Sager, Torkjel Tveita
Rewarming from accidental hypothermia is often complicated by hypothermia-induced cardiac dysfunction, calling for immediate pharmacologic intervention. Studies show that although cardiac pharmacologic support is applied when rewarming these patients, a lack of updated treatment recommendations exist. Mainly due to lack of clinical and experimental data, neither of the international guidelines includes information about pharmacologic cardiac support at temperatures below 30 °C. However, core temperature of accidental hypothermia patients is often reduced below 30 °C...
December 5, 2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/27918869/paramedic-initiated-cms-sepsis-core-measure-bundle-prior-to-hospital-arrival-a-stepwise-approach
#3
Jason G Walchok, Ronald G Pirrallo, Douglas Furmanek, Martin Lutz, Colt Shope, Brandi Giles, Greta Gue, Aaron Dix
BACKGROUND: To improve patient outcomes, the Center for Medicare and Medicaid Services (CMS) implemented core measures that outline the initial treatment of the septic patient. These measures include initial blood culture collection prior to antibiotics, adequate intravenous fluid resuscitation, and early administration of broad spectrum antibiotics. We sought to determine if Paramedics can initiate the CMS sepsis core measure bundle in the prehospital field reliably. METHODS: This is a retrospective, case series from a 3rd service EMS system model in Greenville, South Carolina between November 17, 2014 and February 20, 2016...
December 5, 2016: Prehospital Emergency Care
https://www.readbyqxmd.com/read/27917039/echinoids-of-the-kerguelen-plateau-occurrence-data-and-environmental-setting-for-past-present-and-future-species-distribution-modelling
#4
Charlène Guillaumot, Alexis Martin, Salomé Fabri-Ruiz, Marc Eléaume, Thomas Saucède
The present dataset provides a case study for species distribution modelling (SDM) and for model testing in a poorly documented marine region. The dataset includes spatially-explicit data for echinoid (Echinodermata: Echinoidea) distribution. Echinoids were collected during oceanographic campaigns led around the Kerguelen Plateau (+63°/+81°E; -46°/-56°S) since 1872. In addition to the identification of collection specimens from historical cruises, original data from the recent campaigns POKER II (2010) and PROTEKER 2 to 4 (2013-2015) are also provided...
2016: ZooKeys
https://www.readbyqxmd.com/read/27916686/altered-cytokine-profile-pain-sensitivity-and-stress-responsivity-in-mice-with-co-disruption-of-the-developmental-genes-neuregulin-1%C3%A3-disc1
#5
Lieve Desbonnet, Rachel Cox, Orna Tighe, Donna Lai, Richard P Harvey, John L Waddington, Colm M P O'Tuathaigh
The complex genetic origins of many human disorders suggest that epistatic (gene×gene) interactions may contribute to a significant proportion of their heritability estimates and phenotypic heterogeneity. Simultaneous disruption of the developmental genes and schizophrenia risk factors Neuregulin-1 (NRG1) and Disrupted-in-schizophrenia 1 (DISC1) in mice has been shown to produce disease-relevant and domain-specific phenotypic profiles different from that observed following disruption of either gene alone. In the current study, anxiety and stress responsivity phenotypes in male and female mutant mice with simultaneous disruption of DISC1 and NRG1 were examined...
December 1, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27915388/microbial-diversity-in-degraded-and-non-degraded-petroleum-samples-and-comparison-across-oil-reservoirs-at-local-and-global-scales
#6
Isabel Natalia Sierra-Garcia, Bruna M Dellagnezze, Viviane P Santos, Michel R Chaves B, Ramsés Capilla, Eugenio V Santos Neto, Neil Gray, Valeria M Oliveira
Microorganisms have shown their ability to colonize extreme environments including deep subsurface petroleum reservoirs. Physicochemical parameters may vary greatly among petroleum reservoirs worldwide and so do the microbial communities inhabiting these different environments. The present work aimed at the characterization of the microbiota in biodegraded and non-degraded petroleum samples from three Brazilian reservoirs and the comparison of microbial community diversity across oil reservoirs at local and global scales using 16S rRNA clone libraries...
December 3, 2016: Extremophiles: Life Under Extreme Conditions
https://www.readbyqxmd.com/read/27915198/a-new-approach-to-the-rapid-separation-of-isomeric-compounds-in-a-silybum-marianum-extract-using-uhplc-core-shell-column-with-f5-stationary-phase
#7
Jakub Fibigr, Dalibor Šatínský, Petr Solich
In this paper, a new ultra-high performance liquid chromatography (UHPLC) method using a core-shell column with a pentafluorophenyl stationary phase for separation of seven active compounds of a Silybum marianum extract was developed and validated. Silymarin, an extract of Silybum marianum, is known for its abilities to protect the liver from toxic substances, hepatitis therapy, and anti-tumour activity. Silymarin is currently being widely used in commercial preparations and herbal teas. Separation of seven compounds contained in the Silybum marianum extract (taxifolin, silychristin, silydianin, silybin A, silybin B, isosilybin A, isosilybin B) and other substances occurring in real samples was performed on the Kinetex 1...
November 27, 2016: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/27915134/metabolic-and-reproductive-plasticity-of-core-and-marginal-populations-of-the-eurythermic-saline-water-bug-sigara-selecta-hemiptera-corixidae-in-a-climate-change-context
#8
J A Carbonell, D T Bilton, P Calosi, A Millán, A Stewart, J Velasco
Ongoing climate change is driving dramatic range shifts in diverse taxa worldwide, and species responses to global change are likely to be determined largely by population responses at geographical range margins. Here we investigate the metabolic and reproductive plasticity in response to water temperature and salinity variation of two populations of the eurythermic saline water bug Sigara selecta: one population located close to the northern edge of its distribution, in a relatively cold, thermally stable region (SE England - 'marginal'), and one close to the range centre, in a warmer and more thermally variable Mediterranean climate (SE Spain - 'core')...
November 30, 2016: Journal of Insect Physiology
https://www.readbyqxmd.com/read/27914343/fluorescence-and-drug-loading-properties-of-znse-mn-zns-paclitaxel-sio2-nanocapsules-templated-by-f127-micelles
#9
Tingting Zhao, Xin Liu, Yuebin Li, Mingguang Zhang, Jian He, Xuewen Zhang, Hui Liu, Xingguo Wang, Haoshuang Gu
Hydrophobic ZnSe:Mn/ZnS core-shell fluorescence quantum dots (QDs) and anticancer drug paclitaxel (PTX) have been co-loaded into folate conjugated hybrid silica nanocapsules via F127 micelles based soft-template method in a mild aqueous environment at room temperature. The encapsulation of QDs shows a F127: QDs mass ratio dependent behavior, which impact much on the morphology and optical properties of composite nanocapsules. These as prepared composite nanocapsules also exhibit good photoluminescence stability under the temperature ranges from 19°C to 49°C...
November 23, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27912011/reduced-snow-cover-alters-root-microbe-interactions-and-decreases-nitrification-rates-in-a-northern-hardwood-forest
#10
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/27911783/deglacial-temperature-history-of-west-antarctica
#11
Kurt M Cuffey, Gary D Clow, Eric J Steig, Christo Buizert, T J Fudge, Michelle Koutnik, Edwin D Waddington, Richard B Alley, Jeffrey P Severinghaus
The most recent glacial to interglacial transition constitutes a remarkable natural experiment for learning how Earth's climate responds to various forcings, including a rise in atmospheric CO2 This transition has left a direct thermal remnant in the polar ice sheets, where the exceptional purity and continual accumulation of ice permit analyses not possible in other settings. For Antarctica, the deglacial warming has previously been constrained only by the water isotopic composition in ice cores, without an absolute thermometric assessment of the isotopes' sensitivity to temperature...
November 28, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27910670/alignment-and-absolute-wavelength-calibration-of-imaging-bragg-spectrometers
#12
G Bertschinger, O Marchuk, R Barnsley
In the present and the next generation of fusion devices, imaging Bragg spectrometers are key diagnostics to measure plasma parameters in the hot core, especially ion temperature and plasma rotation. The latter quantities are routinely obtained using the Doppler-width and -shift of the emitted spectral lines, respectively. Line shift measurements require absolute accuracies Δλ/λ of about 10 ppm, where λ-is the observed wavelength. For ITER and the present fusion devices, spectral lines of He-and H-like argon, iron, and krypton as well as Ne-like tungsten are foreseen for the measurements...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910584/fitting-of-the-thomson-scattering-density-and-temperature-profiles-on-the-compass-tokamak
#13
E Stefanikova, M Peterka, P Bohm, P Bilkova, M Aftanas, M Sos, J Urban, M Hron, R Panek
A new technique for fitting the full radial profiles of electron density and temperature obtained by the Thomson scattering diagnostic in H-mode discharges on the COMPASS tokamak is described. The technique combines the conventionally used modified hyperbolic tangent function for the edge transport barrier (pedestal) fitting and a modification of a Gaussian function for fitting the core plasma. Low number of parameters of this combined function and their straightforward interpretability and controllability provide a robust method for obtaining physically reasonable profile fits...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910526/measurement-of-helium-like-and-hydrogen-like-argon-spectra-using-double-crystal-x-ray-spectrometers-on-east
#14
B Lyu, J Chen, R J Hu, F D Wang, Y Y Li, J Fu, Y C Shen, M Bitter, K W Hill, L F Delgado-Aparicio, N Pablant, S G Lee, M Y Ye, Y J Shi, B N Wan
A two-crystal assembly was deployed on the tangential X-ray crystal spectrometer to measure both helium-like and hydrogen-like spectra on EAST. High-quality helium-like and hydrogen-like spectra were observed simultaneously for the first time on one detector for a wide range of plasma parameters. Profiles of line-integrated core ion temperatures inferred from two spectra were consistent. Since tungsten was adopted as the upper divertor material, one tungsten line (W XLIV at 4.017 Å) on the short-wavelength side of the Lyman-α line (Lα1) was identified for typical USN discharges, which was diffracted by a He-like crystal (2d = 4...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910523/first-measurement-of-the-edge-charge-exchange-recombination-spectroscopy-on-east-tokamak
#15
Y Y Li, X H Yin, J Fu, D Jiang, S Y Feng, B Lyu, Y J Shi, Y Yi, X J Zhou, C D Hu, M Y Ye, B N Wan
An edge toroidal charge exchange recombination spectroscopy (eCXRS) diagnostic, based on a heating neutral beam injection (NBI), has been deployed recently on the Experimental Advanced Superconducting Tokamak (EAST). The eCXRS, which aims to measure the plasma ion temperature and toroidal rotation velocity in the edge region simultaneously, is a complement to the exiting core CXRS (cCXRS). Two rows with 32 fiber channels each cover a radial range from ∼2.15 m to ∼2.32 m with a high spatial resolution of ∼5-7 mm...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910417/new-numerical-simulation-method-to-calibrate-the-regular-hexagonal-nai-tl-detector-with-radioactive-point-sources-situated-non-axial
#16
Ayman Hamzawy, Dimitar N Grozdanov, Mohamed S Badawi, Fuad A Aliyev, Abouzeid A Thabet, Mahmoud I Abbas, Ivan N Ruskov, Ahmed M El-Khatib, Yuri N Kopatch, Mona M Gouda
Scintillation crystals are usually used for detection of energetic photons at room temperature in high energy and nuclear physics research, non-destructive analysis of materials testing, safeguards, nuclear treaty verification, geological exploration, and medical imaging. Therefore, new designs and construction of radioactive beam facilities are coming on-line with these science brunches. A good number of researchers are investigating the efficiency of the γ-ray detectors to improve the models and techniques used in order to deal with the most pressing problems in physics research today...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910341/development-of-a-krypton-doped-gas-symmetry-capsule-platform-for-x-ray-spectroscopy-of-implosion-cores-on-the-nif
#17
T Ma, H Chen, P K Patel, M B Schneider, M A Barrios, D T Casey, H-K Chung, B A Hammel, L F Berzak Hopkins, L C Jarrott, S F Khan, B Lahmann, R Nora, M J Rosenberg, A Pak, S P Regan, H A Scott, H Sio, B K Spears, C R Weber
The electron temperature at stagnation of an ICF implosion can be measured from the emission spectrum of high-energy x-rays that pass through the cold material surrounding the hot stagnating core. Here we describe a platform developed on the National Ignition Facility where trace levels of a mid-Z dopant (krypton) are added to the fuel gas of a symcap (symmetry surrogate) implosion to allow for the use of x-ray spectroscopy of the krypton line emission.
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910328/measurement-of-deuterium-density-profiles-in-the-h-mode-steep-gradient-region-using-charge-exchange-recombination-spectroscopy-on-diii-d
#18
S R Haskey, B A Grierson, K H Burrell, C Chrystal, R J Groebner, D H Kaplan, N A Pablant, L Stagner
Recent completion of a thirty two channel main-ion (deuterium) charge exchange recombination spectroscopy (CER) diagnostic on the DIII-D tokamak [J. L. Luxon, Nucl. Fusion 42, 614 (2002)] enables detailed comparisons between impurity and main-ion temperature, density, and toroidal rotation. In a H-mode DIII-D discharge, these new measurement capabilities are used to provide the deuterium density profile, demonstrate the importance of profile alignment between Thomson scattering and CER diagnostics, and aid in determining the electron temperature at the separatrix...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27909226/unique-cytokine-and-chemokine-responses-to-exertional-heat-stroke-in-mice
#19
Michelle A King, Lisa R Leon, Deborah A Morse, Thomas L Clanton
In heat stroke, cytokines are believed to play important roles in multi-organ dysfunction and recovery of damaged tissue. The time course of the cytokine response is well defined in passive heat stroke (PHS), but little is known about exertional heat stroke (EHS). In this study we used a recently developed mouse EHS model to measure the responses of circulating cytokines/chemokines and cytokine gene expression in muscle. A very rapid increase in circulating IL-6 was observed at max core temperature (Tc,max) that peaked at 0...
December 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27908235/pentatricopeptide-motifs-in-the-n-terminal-extension-domain-of-yeast-mitochondrial-rna-polymerase-rpo41p-are-not-essential-for-its-function
#20
J Kruszewski, P Golik
The core mitochondrial RNA polymerase is a single-subunit enzyme that in yeast Saccharomyces cerevisiae is encoded by the nuclear RPO41 gene. It is an evolutionary descendant of the bacteriophage RNA polymerases, but it includes an additional unconserved N-terminal extension (NTE) domain that is unique to the organellar enzymes. This domain mediates interactions between the polymerase and accessory regulatory factors, such as yeast Sls1p and Nam1p. Previous studies demonstrated that deletion of the entire NTE domain results only in a temperature-dependent respiratory deficiency...
October 2016: Biochemistry. Biokhimii︠a︡
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