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https://www.readbyqxmd.com/read/27925707/natural-mineral-bottled-waters-available-on-the-polish-market-as-a-source-of-minerals-for-the-consumers-part-2-the-intake-of-sodium-and-potassium
#1
Anna Gątarska, Joanna Ciborska, Elżbieta Tońska
Background: Natural mineral waters are purchased and consumed according to consumer preferences and possible recommendations. The choice of appropriate water should take into account not only the general level of mineralization but also the content of individual components, including electrolytes such as sodium and potassium. Sodium is necessary to ensure the proper physiological functions of the body. It is defined as a health risk factor only when its excessive intake occurs. Potassium acts antagonistically towards sodium and calcium ions, contributes to a reduction of the volume of extracellular fluids and at the same time reduces muscle tension and permeability of cell membranes...
2016: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/27925100/strategies-for-thirst-relief-integrative-literature-review
#2
Aline Korki Arrabal Garcia, Lígia Fahl Fonseca, Patricia Aroni, Cristina Maria Galvão
Objective: to analyze the strategies used to relieve the thirst of hospitalized patients. Method: an integrative review, for which the databases PubMed, LILACS, CINAHL and the group of references organized by the Group for Study and Research of Thirst were selected for the search of primary studies, with the keywords: thirst, ice, cold, intervention, nursing care, artificial saliva. Results: the review sample was composed of ten primary studies...
November 2016: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/27925002/a-novel-adjuvant-solution-layer-strategy-for-improving-the-efficacy-of-cryosurgery
#3
K K Ramajayam, A Kumar, S K Sarangi, A Thirugnanam
BACKGROUND: During cryosurgery, studies reported earlier suggest increased destruction inside the tumour due to adjuvants or the prevention of damage to neighbouring healthy tissue through different methods. OBJECTIVE: This study advocates a novel strategy that increases the freezing inside agarose gel phantoms by addition of glycine and limits the freezing to the desired location using a perfluorohexane layer during cryosurgery. MATERIALS AND METHODS: Cryosurgery of glycine containing gels is carried out with and without perfluorohexane layer and the thermal history is measured using K-type thermocouples connected to a data acquisition system...
September 2016: Cryo Letters
https://www.readbyqxmd.com/read/27924914/arctic-lakes-show-strong-decadal-trend-in-earlier-spring-ice-out
#4
Tereza Šmejkalová, Mary E Edwards, Jadunandan Dash
The timing of the seasonal freeze-thaw cycle of arctic lakes affects ecological processes and land-atmosphere energy fluxes. We carried out detailed ice-phenology mapping of arctic lakes, based on daily surface-reflectance time series for 2000-2013 from MODIS at 250 m spatial resolution. We used over 13,300 lakes, area >1 km(2), in five study areas distributed evenly across the circumpolar Arctic - the first such phenological dataset. All areas showed significant trends towards an earlier break-up, stronger than previously reported...
December 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27924166/dental-erosion-and-dentin-hypersensitivity-among-adult-asthmatics-and-non-asthmatics-hospital-based-a-preliminary-study
#5
Zahra Hassan Abdelaziz Farag, Elhadi Mohieldin Awooda
BACKGROUND: Asthma is a chronic inflammatory condition affecting the airways leading to spasm and swelling of the airways. The medications taken for the treatment of asthma can result in dental erosion and dentin hypersensitivity. OBJECTIVES: The aims of this study were to investigate the severity of dental erosion amongst adult asthmatics according to: gender, type and duration of medication taken and to compare dental erosion and dentin hypersensitivity between asthmatics and non-asthmatics...
2016: Open Dentistry Journal
https://www.readbyqxmd.com/read/27922004/annually-resolved-north-atlantic-marine-climate-over-the-last-millennium
#6
D J Reynolds, J D Scourse, P R Halloran, A J Nederbragt, A D Wanamaker, P G Butler, C A Richardson, J Heinemeier, J Eiríksson, K L Knudsen, I R Hall
Owing to the lack of absolutely dated oceanographic information before the modern instrumental period, there is currently significant debate as to the role played by North Atlantic Ocean dynamics in previous climate transitions (for example, Medieval Climate Anomaly-Little Ice Age, MCA-LIA). Here we present analyses of a millennial-length, annually resolved and absolutely dated marine δ(18)O archive. We interpret our record of oxygen isotope ratios from the shells of the long-lived marine bivalve Arctica islandica (δ(18)O-shell), from the North Icelandic shelf, in relation to seawater density variability and demonstrate that solar and volcanic forcing coupled with ocean circulation dynamics are key drivers of climate variability over the last millennium...
December 6, 2016: Nature Communications
https://www.readbyqxmd.com/read/27921033/new-tools-to-study-contact-activation
#7
Steffen Rosén
The recent availability of a sensitive chromogenic method approach for determination of FXIa activity has been explored for designing sensitive methods for FXIIa and kallikrein, both using FXa formation as the read-out. For both enzymes the assay range 1-10 nmol/L provides a resolution of about 0.8 absorbance units with a total assay time of about 20 min. For studies on activation kinetics, subsampling and extensive dilution can be performed in MES-bovine serum albumin (BSA) buffer pH 5.7 for quenching of enzyme activity and with ensuing determination of FXa generation in a chromogenic FXIa method...
2016: Frontiers in Medicine
https://www.readbyqxmd.com/read/27920746/-worse-but-ours-or-better-but-theirs-the-role-of-implicit-consumer-ethnocentrism-ice-in-product-preference
#8
Dominika Maison, Norbert Maliszewski
The goal of this project was to investigate whether consumer ethnocentrism is purely conscious mechanism based on ideology, as suggested by Shimp and Sharma (1987), or rather is an automatic, unconscious process. The aim of the project was an introduction of the Implicit Consumer Ethnocentrism (ICE) concept, measured by the Implicit Association Test (IAT). The goal of the four studies conducted was to investigate the following issues: (a) whether ICE - an automatic mechanism underlying the preference for local products over foreign - this could be observed next to the more ideologically based classic consumer ethnocentrism; (b) what happens when the consumer's automatic preference for local products (ICE) is confronted by objective evidence of the superiority of foreign products or by the inferiority of local products...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27920584/evaluation-management-and-prevention-of-lower-extremity-youth-ice-hockey-injuries
#9
REVIEW
Charles A Popkin, Brian M Schulz, Caroline N Park, Thomas S Bottiglieri, T Sean Lynch
Ice hockey is a fast-paced sport played by increasing numbers of children and adolescents in North America and around the world. Requiring a unique blend of skill, finesse, power and teamwork, ice hockey can become a lifelong recreational activity. Despite the rising popularity of the sport, there is ongoing concern about the high frequency of musculoskeletal injury associated with participation in ice hockey. Injury rates in ice hockey are among the highest in all competitive sports. Numerous research studies have been implemented to better understand the risks of injury...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27919308/outbreak-of-pantoea-agglomerans-bloodstream-infections-at-an-oncology-clinic-illinois-2012-2013
#10
Brian R Yablon, Raymund Dantes, Victoria Tsai, Rachel Lim, Heather Moulton-Meissner, Matthew Arduino, Bette Jensen, Megan Toth Patel, Michael O Vernon, Yoran Grant-Greene, Demian Christiansen, Craig Conover, Alexander Kallen, Alice Y Guh
OBJECTIVE To determine the source of a healthcare-associated outbreak of Pantoea agglomerans bloodstream infections. DESIGN Epidemiologic investigation of the outbreak. SETTING Oncology clinic (clinic A). METHODS Cases were defined as Pantoea isolation from blood or catheter tip cultures of clinic A patients during July 2012-May 2013. Clinic A medical charts and laboratory records were reviewed; infection prevention practices and the facility's water system were evaluated. Environmental samples were collected for culture...
December 6, 2016: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/27918675/biomechanics-in-paralympics-implications-for-performance
#11
Floor Morriën, Matthew J D Taylor, Florentina J Hettinga
PURPOSE: To provide an overview of biomechanical studies in Paralympic research and their relevance for performance in Paralympic sports. METHODS: Search terms ' Paralympic Biomechanics', 'Paralympic Sport Performance', 'Paralympic Athlete Performance', and Paralympic Athlete' were entered into the electronic database PubMed. RESULTS: Thirty-four studies were included. Biomechanical studies in Paralympics mainly contributed to performance enhancement by technical optimization (n=32) and/or injury prevention (n=6)...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918670/combined-plyometric-strength-training-improves-ice-hockey-players-on-ice-sprint
#12
Torstein E Dæhlin, Ole C Haugen, Simen Haugerud, Ivana Hollan, Truls Raastad, Bent R Rønnestad
: Combined plyometric and strength training have previously been suggested as a strategy to improve skating performance in ice hockey players. However, the effects of combined plyometric and strength training has not been previously been compared to the effects of strength training only. PURPOSE: To compare the effects of combined plyometric and strength training on ice hockey players' skating sprint performance with strength training only. METHODS: Eighteen participants were randomly assigned to two groups that completed 5 strength-training sessions per week for 8 weeks...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27917584/primary-productivity-of-snow-algae-communities-on-stratovolcanoes-of-the-pacific-northwest
#13
T L Hamilton, J Havig
The majority of geomicrobiological research conducted on glacial systems to date has focused on glaciers that override primarily carbonate or granitic bedrock types, with little known of the processes that support microbial life in glacial systems overriding volcanic terrains (e.g., basalt or andesite). To better constrain the role of the supraglacial ecosystems in the carbon and nitrogen cycles, to gain insight into microbiome composition and function in alpine glacial systems overriding volcanic terrains, and to constrain potential elemental sequestration or release through weathering processes associated with snow algae communities, we examined the microbial community structure and primary productivity of snow algae communities on stratovolcanoes in the Cascade Range of the Pacific Northwest...
December 5, 2016: Geobiology
https://www.readbyqxmd.com/read/27917410/time-lapse-in-situ-imaging-of-ice-crystal-growth-using-confocal-microscopy
#14
Moreno Marcellini, Cecile Noirjean, Dmytro Dedovets, Juliette Maria, Sylvain Deville
Ice crystals nucleate and grow when a water solution is cooled below its freezing point. The growth velocities and morphologies of the ice crystals depend on many parameters, such as the temperature of ice growth, the melting temperature, and the interactions of solutes with the growing crystals. Three types of morphologies may appear: dendritic, cellular (or fingerlike), or the faceted equilibrium form. Understanding and controlling which type of morphology is formed is essential in several domains, from biology to geophysics and materials science...
November 30, 2016: ACS Omega
https://www.readbyqxmd.com/read/27917319/the-effectiveness-of-cooling-conditions-on-temperature-of-canine-edta-whole-blood-samples
#15
Karen M Tobias, Leslie Serrano, Xiaocun Sun, Bente Flatland
BACKGROUND: Preanalytic factors such as time and temperature can have significant effects on laboratory test results. For example, ammonium concentration will increase 31% in blood samples stored at room temperature for 30 min before centrifugation. To reduce preanalytic error, blood samples may be placed in precooled tubes and chilled on ice or in ice water baths; however, the effectiveness of these modalities in cooling blood samples has not been formally evaluated. The purpose of this study was to evaluate the effectiveness of various cooling modalities on reducing temperature of EDTA whole blood samples...
2016: PeerJ
https://www.readbyqxmd.com/read/27917255/can-ice-like-structures-form-on-non-ice-like-substrates-the-example-of-the-k-feldspar-microcline
#16
Philipp Pedevilla, Stephen J Cox, Ben Slater, Angelos Michaelides
Feldspar minerals are the most common rock formers in Earth's crust. As such they play an important role in subjects ranging from geology to climate science. An atomistic understanding of the feldspar structure and its interaction with water is therefore desirable, not least because feldspar has been shown to dominate ice nucleation by mineral dusts in Earth's atmosphere. The complexity of the ice/feldspar interface arising from the numerous chemical motifs expressed on the surface makes it a challenging system...
March 31, 2016: Journal of Physical Chemistry. C, Nanomaterials and Interfaces
https://www.readbyqxmd.com/read/27916562/cryobiological-parameters-of-multipotent-stromal-cells-obtained-from-different-sources
#17
L Lauterboeck, W F Wolkers, B Glasmacher
Stem cells are important for regenerative medicine mainly due to their multilineage differentiation capacity. However, the cells rapidly loose this capability during culturing. Cryopreservation preserves the differentiation potential of the cells, until they are needed. In this study, specific cell properties of multipotent stromal cells (MSCs), from the common marmoset monkey Callithrix jacchus MSCs derived from amnion (Am) and bone marrow (Bm) were studied in order to predict optimal cooling rates for cryopreservation...
December 1, 2016: Cryobiology
https://www.readbyqxmd.com/read/27914974/nonmedical-use-of-prescription-opioids-and-heroin-use-among-adolescents-involved-in-competitive-sports
#18
Philip Veliz, Carol J Boyd, Sean Esteban McCabe
PURPOSE: Examine the past-year prevalence of nonmedical use of prescription opioids (NUPOs), heroin use, and the concurrent NUPO and heroin in a sample of 12th graders involved in 16 different sports. METHODS: A secondary analysis of nationally representative data from nine cohorts (2006-2014) of the Monitoring the Future study (n = 21,557). RESULTS: No differences were found between 12th graders who participated in at least one competitive sport and nonparticipants with respect to past-year NUPO, heroin use, and concurrent NUPO and heroin use...
November 30, 2016: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/27914794/modeling-the-secondary-drying-stage-of-freeze-drying-development-and-validation-of-an-excel-based-model
#19
Ekneet K Sahni, Michael J Pikal
Although several mathematical models of primary drying have been developed over the years, with significant impact on the efficiency of process design, models of secondary drying have been confined to highly complex models. The simple-to-use Excel-based model developed here is, in essence, a series of steady state calculations of heat and mass transfer in the 2 halves of the dry layer where drying time is divided into a large number of time steps, where in each time step steady state conditions prevail. Water desorption isotherm and mass transfer coefficient data are required...
November 30, 2016: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27913993/antifreeze-glycopeptides-from-structure-and-activity-studies-to-current-approaches-in-chemical-synthesis
#20
REVIEW
Małgorzata Urbańczyk, Jerzy Góra, Rafał Latajka, Norbert Sewald
Antifreeze glycopeptides (AFGPs) are a class of biological antifreeze agents found predominantly in Arctic and Antarctic species of fish. They possess the ability to regulate ice nucleation and ice crystal growth, thus creating viable life conditions at temperatures below the freezing point of body fluids. AFGPs usually consist of 4-55 repetitions of the tripeptide unit Ala-Ala-Thr that is O-glycosylated at the threonine side chains with β-D-galactosyl-(1 → 3)-α-N-acetyl-D-galactosamine. Due to their interesting properties and high antifreeze activity, they have many potential applications, e...
December 2, 2016: Amino Acids
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