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  • 1
    Publication Date: 2019
    Description: Background: Patient safety is a priority of any healthcare system, and one of the most effective measures is hand hygiene. For this, it is important that health staff have correct adherence and perform the technique properly. Otherwise, the incidence of nosocomial infections can increase, with consequent complications. The aim here was to analyze hand hygiene training and the effectiveness of different methods and educational strategies among nurses and whether they maintained correct adherence over time. Methods: A systematic review was conducted in the sources CINAHL (Cumulative Index to Nursing and Allied Health Literature), Dialnet, Lilacs (Latin American and Caribbean Health Sciences Literature), ProQuest (Proquest Health and Medical Complete), Medline, SciELO (Scientific Electronic Library Online), and Scopus. The search equation with Medical Subject Headings (MeSH) descriptors was “Nurs* AND (handwashing OR hand hygiene) AND clinical trial”. The review was performed following the recommendations of the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. Results: n = 17 clinical trials were included, with a total of 5747 nurses and nursing students. Strategies such as reminder sounds, practical simulations, videos, and audiovisual media improved handwashing compliance. Adherence overtime increased by up to 60%. The greatest effectiveness was related to the use of povidone–iodine, which reduced colony formation compared Hand hygiene teaching strategies among nursing staff: a systematic review to soap. Conclusions: The strategies that go beyond teaching techniques such as lectures may be more effective at increasing hand hygiene compliance. Combined approaches to learning/instruction improve user satisfaction by enabling self-management, flexibility, and repetition.
    Print ISSN: 1661-7827
    Electronic ISSN: 1660-4601
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Published by MDPI
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  • 2
    ISSN: 0305-0491
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0983
    Keywords: RNA ; Mitochondria ; Rainbow trout ; Liver
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We have isolated and, by electrophoresis, using agarose slab gels in the presence of methylmercury hydroxide, analyzed the mitochondrial RNA content of the liver of rainbow trout. The RNAs corresponding to most of the mitochondrial DNA-encoded genes have been identified. Furthermore, among the transcription products we have also identified the nature of the RNA 8 previously described in human mitochondria, and detected a novel transcript that may represent the mRNA for ND6.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0495
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The three aquifer units differentiated in the Low Andarax—detritic, carbonated, and deep aquifers—present problems in water quality. This is made worse during the course of development as a result of the appearance of processes of marine intrusion, dissolution of saline rocks present in the stratigraphic series, overexploitation with considerable increase in the boron content, and the continual recycling of water with a resulting increase in total dissolved solids. All this has resulted in the salinization of the majority of the underlying soils that has led to the abandoning of many cultivated areas—especially areas of citrus growth—and/or the substitution of a farming system that is much more tolerant of the salts.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0827
    Keywords: Key words: Articular cartilage — Periosteum — Perichondrium.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Abstract. The purpose of this study was to compare the chondrogenic potential of free perichondrial with free periosteal grafts in the resurfacing of full-thickness defects of patellar articular cartilage in rabbits. We used adolescent New Zealand rabbits weighing between 2.4 and 3.6 kg. A 6-mm wide and 3-mm thick defect was created on the patellar articular surface. A total of 30 rabbits were randomly divided into a control group and two test groups. One test group received free perichondrial grafts (PC); the other received free periosteal grafts (PO). All the animals were killed 8 weeks after surgery. All the histological samples were scored from 0 to 17 according to a standard scoring system. Differences in the quality of the regenerated tissue were only found between the control and the test groups. There were no statistically significant histological differences between the grafted defects of the PC and the PO groups that there are not on any of the variables. The results of this study support that there are not significant differences in the quality of the repair tissue when using these two types of biological grafts.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-072X
    Keywords: Glucose-6-phosphate dehydrogenase ; Pentose phosphate cycle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The activity of glucose-6-phosphate dehydrogenase changes when the mycelium is grown on different carbon sources. In the presence of ribose, the activity of the enzyme is approximately 3 times higher than when the mycelium is grow in a medium containing glucose. This increase in the enzyme activity is developped progressively when the concentration of ribose increases from 1% to 6% and it is blocked if cycloheximide is added to the medium. This results suggest an increase in “de novo” synthesis of the enzyme rather than an specific activation of the latent enzyme. Three isoenzymes of glucose-6-phosphate dehydrogenase are isolated from mycelium grown on ribose, whereas only two isoenzymes are isolated from mycelium grown on glucose.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 0020-711X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 0014-5793
    Keywords: Ethanol ; Isolated organelle ; Mitochondrion ; RNA synthesis ; Rat liver
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 9
    Publication Date: 2018-08-10
    Description: We will report on two drilling proposals within the International Ocean Discovery Program (IODP) to address open questions on Antarctic Ice-sheet (AIS) dynamics in a transect from the Weddell Sea to the Scotia Sea on the Atlantic side of the Southern Ocean. IODP proposal 848-pre (Ice-sheet and sea-level history of the Weddell Sea) shall drill three contourite drifts northeast of Riiser-Larson Ice Shelf on the slope of the southeastern Weddell Sea that contain high-resolution Mio-Pleistocene sections. As the southern extension of the Atlantic Ocean, the Weddell Sea is a key area to study Earth‘s past climate variability. It constitutes a major source of Antarctic Bottom Water formation, which influences the Atlantic Meridional Overturning Circulation. Moreover, the Weddell Gyre is an important cyclonic circulation system for water-mass communication between the Antarctic Ice Sheet and the Southern Ocean. One of the world's two largest ice shelves, the Filchner-Rønne Ice Shelf, drains into the Weddell Basin. Ice-sheet dynamics in the Weddell Sea sector of the East Antarctic Ice Sheet (EAIS) are highly susceptible to far-field changes in sea level. Practically all icebergs from the EAIS merge in the Weddell Sea before they exit Antarctica through the Scotia Sea, thereby providing a unique location to study AIS dynamics. Despite these paramount scientific issues that have, over the last two decades, identified the Weddell Sea as a key area to study past and present climate change, there has been no deep scientific drilling for high-resolution reconstruction of the Plio-Pleistocene. Our scientific objectives aim at achieving the first complete Late Neogene reconstruction for the Weddell Sea. We will address the overarching questions on changing ice-sheet dynamics, interhemispheric phasing of ice-sheet and climate events, ocean circulation, and bottom-water production. Specifically, we wish to unravel whether the formation of the contourite ridges north of Crary Fan were associated with a sea-level drop initiated through intensification of Northern Hemisphere glaciation during the Pliocene. Also, did the drainage pattern change during the Mid-Pleistocene Transition? Can we decipher ice-sheet dynamics on glacial-to-interglacial time scales and during the Last Glacial Maximum? Can we detect farfield sea-level effects and rates of sea-level rise from Iceberg Alley? Can we relate varve thickness variations obtained from counting and dating varved sediment on the contourite ridges to external (solar) or internal (ocean-atmosphere) variability on decadal-to-centennial time scales? IODP proposal 847-full revised (Plio-Pleistocene reconstruction of ice-sheet, atmosphere, and ocean dynamics in Iceberg Alley) shall drill two deep-ocean sites in the Scotia Sea farther north. We aim at delivering the first well-dated, high-resolution and spatially integrated record of variability in icebergs flux from Iceberg Alley, where a substantial number of Antarctic icebergs exit from the Weddell Sea into the warmer Antarctic Circumpolar Current (ACC). In particular, we will characterize the iceberg flux during the mid-Pliocene warm interval, the mid-Pleistocene transition, the warm interglacials of the last 800 kyr, and during glacial terminations. We will use the geochemical provenance of detrital material to determine regional sources of AIS mass loss; address inter-hemispheric phasing of ice-sheet and climate events, and the relation of AIS variability to sea level. We will also deliver critical information on changes in Drake Passage throughflow, meridional overturning in the Southern Ocean, CO2 transfer via wind-induced upwelling, sea-ice variability, bottom water outflow from the Weddell Sea, Antarctic weathering inputs, and changes in oceanic and atmospheric fronts in the vicinity of the ACC by comparing north-south variations across the Scotia Sea. Comparing changes in dust proxy records between the Scotia Sea and Antarctic ice cores will provide a detailed reconstruction of changes in the Southern Hemisphere westerlies on millennial and orbital time scales for the last 800 kyr. Extending this comparison beyond 800 kyr will help evaluating climate-dust couplings since the Pliocene, its potential role in iron fertilization and atmospheric CO2 drawdown during glacials, and whether dust and changes in Antarctic ice volume played a role in the mid-Pleistocene transition.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , NonPeerReviewed
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  • 10
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Es wird festgestellt, dass in jungen Erbsenkeimlingen, die ihrer Kotyledonen beraubt wurden, einige freie Aminosäuren fehlen. Wenn solche Keimlinge mit Pyridoxinlösung infiltriert werden, ist jedoch unter ihren freien Aminosäuren auch die sonst fehlende Glutaminsäure nachweisbar.
    Type of Medium: Electronic Resource
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