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Sökning: WFRF:(Torres M) > Linköpings universitet

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1.
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2.
  • Garcia-Benito, R., et al. (författare)
  • CALIFA, the Calar Alto Legacy Integral Field Area survey III. Second public data release
  • 2015
  • Ingår i: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 576:A135
  • Tidskriftsartikel (refereegranskat)abstract
    • This paper describes the Second Public Data Release (DR2) of the Calar Alto Legacy Integral Field Area (CALIFA) survey. The data for 200 objects are made public, including the 100 galaxies of the First Public Data Release (DR1). Data were obtained with the integral-field spectrograph PMAS /PPak mounted on the 3.5 m telescope at the Calar Alto observatory. Two different spectral setups are available for each galaxy, (i) a low-resolution V500 setup covering the wavelength range 3745-7500 angstrom with a spectral resolution of 6.0 angstrom (FWHM); and (ii) a medium-resolution V1200 setup covering the wavelength range 3650-4840 angstrom with a spectral resolution of 2.3 angstrom (FWHM). The sample covers a redshift range between 0.005 and 0.03, with a wide range of properties in the color-magnitude diagram, stellar mass, ionization conditions, and morphological types. All the cubes in the data release were reduced with the latest pipeline, which includes improved spectrophotometric calibration, spatial registration, and spatial resolution. The spectrophotometric calibration is better than 6% and the median spatial resolution is 2 4. In total, the second data release contains over 1.5 million spectra.
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3.
  • Butler, C.C., et al. (författare)
  • Antibiotic prescribing for discoloured sputum in acute cough/lower respiratory tract infection
  • 2011
  • Ingår i: European Respiratory Journal. - : European Respiratory Society. - 0903-1936 .- 1399-3003. ; 38:1, s. 119-125
  • Tidskriftsartikel (refereegranskat)abstract
    • We investigated whether discoloured sputum and feeling unwell were associated with antibiotic prescription and benefit from antibiotic treatment for acute cough/lower respiratory tract infection (LTRI) in a prospective study of 3,402 adults in 13 countries. A two-level model investigated the association between producing discoloured sputum or feeling generally unwell and an antibiotic prescription. A three-level model investigated the association between an antibiotic prescription and symptom resolution. Patients producing discoloured sputum were prescribed antibiotics more frequently than those not producing sputum (OR 3.2, 95% CI 2.1-5.0), unlike those producing clear/white sputum (OR 0.95, 95% CI 0.61-1.48). Antibiotic prescription was not associated with a greater rate or magnitude of symptom score resolution (as measured by a 13-item questionnaire completed by patients each day) among those who: produced yellow (coefficient 0.00; p=0.68) or green (coefficient -0.01; p=0.11) sputum; reported any of three categories of feeling unwell; or produced discoloured sputum and felt generally unwell (coefficient -0.01; p=0.19). Adults with acute cough/LRTI presenting in primary care settings with discoloured sputum were prescribed antibiotics more often compared to those not producing sputum. Sputum colour, alone or together with feeling generally unwell, was not associated with recovery or benefit from antibiotic treatment.
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4.
  • Dwyer, R., et al. (författare)
  • Addition of a macrolide to a beta-lactam in bacteremic pneumococcal pneumonia
  • 2006
  • Ingår i: European Journal of Clinical Microbiology and Infectious Diseases. - : Springer Science Business Media. - 0934-9723 .- 1435-4373. ; 25:8, s. 518-521
  • Tidskriftsartikel (refereegranskat)abstract
    • In the study presented here, data collected prospectively from 340 adult patients hospitalised in five countries with bacteremic pneumococcal CAP and treated with a beta-lactam +/- a macrolide were analysed retrospectively to evaluate the efficacy of this antimicrobial combination. Univariate and multivariate analyses revealed no significant effect on case fatality rate when a macrolide/beta-lactam regimen was used as initial therapy. Results were not affected by severity of illness, or by excluding patients who died within 2 days of admission. Identified predictors of death in a multivariate regression model were age greater than 65 years (OR=2.6), two or more lung lobes affected (OR=2.2), and severity of disease as estimated using the acute physiology score (APS)greater than 8.
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5.
  • Butler, C.C., et al. (författare)
  • Variation in antibiotic prescribing and its impact on recovery in patients with acute cough in primary care : Prospective study in 13 countries
  • 2009
  • Ingår i: BMJ. - : BMJ. - 0959-8146 .- 0959-8138 .- 1468-5833. ; 338:7710, s. 1545-
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To describe variation in antibiotic prescribing for acute cough in contrasting European settings and the impact on recovery. Design: Cross sectional observational study with clinicians from 14 primary care research networks in 13 European countries who recorded symptoms on presentation and management. Patients followed up for 28 days with patient diaries. Setting: Primary care. Participants: Adults with a new or worsening cough or clinical presentation suggestive of lower respiratory tract infection. Main outcome measures: Prescribing of antibiotics by clinicians and total symptom severity scores over time. Results: 3402 patients were recruited (clinicians completed a case report form for 99% (3368) of participants and 80% (2714) returned a symptom diary). Mean symptom severity scores at presentation ranged from 19 (scale range 0 to 100) in networks based in Spain and Italy to 38 in the network based in Sweden. Antibiotic prescribing by networks ranged from 20% to nearly 90% (53% overall), with wide variation in classes of antibiotics prescribed. Amoxicillin was overall the most common antibiotic prescribed, but this ranged from 3% of antibiotics prescribed in the Norwegian network to83% in the English network. While fluoroquinolones were not prescribed at all in three networks, they were prescribed for 18% in the Milan network. After adjustment for clinical presentation and demographics, considerable differences remained in antibiotic prescribing, ranging from Norway (odds ratio 0.18, 95% confidence interval 0.11 to 0.30) to Slovakia (11.2, 6.20 to 20.27) compared with the overall mean (proportion prescribed: 0.53). The rate of recovery was similar for patients who were and were not prescribed antibiotics (coefficient -0.01, Pless than0.01) once clinical presentation was taken into account. Conclusions: Variation in clinical presentation does not explain the considerable variation in antibiotic prescribing for acute cough in Europe. Variation in antibiotic prescribing is not associated with clinically important differences in recovery. Trial registration: Clinicaltrials.gov NCT00353951.
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7.
  • Casellas, Nicolas M., et al. (författare)
  • Resistive switching in an organic supramolecular semiconducting ferroelectric
  • 2019
  • Ingår i: Chemical Communications. - : ROYAL SOC CHEMISTRY. - 1359-7345 .- 1364-548X. ; 55:60, s. 8828-8831
  • Tidskriftsartikel (refereegranskat)abstract
    • The combination of switchable dipolar side groups and the semiconducting core of the newly synthetized C-3-symmetric benzotrithiophene molecule (BTTTA) leads to an ordered columnar material showing continuous tunability from injection- to bulk-limited conductivity modulation.
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8.
  • Cirera, Borja, et al. (författare)
  • Long-Range Orientational Self-Assembly, Spatially Controlled Deprotonation, and Off-Centered Metalation of an Expanded Porphyrin
  • 2017
  • Ingår i: Journal of the American Chemical Society. - : AMER CHEMICAL SOC. - 0002-7863 .- 1520-5126. ; 139:40, s. 14129-14136
  • Tidskriftsartikel (refereegranskat)abstract
    • Expanded porphyrins are large-cavity macro cycles with enormous potential in coordination chemistry, anion sensing, photodynamic therapy, and optoelectronics. In the last two decades, the surface science community has assessed the physicochemical properties of tetrapyrrolic-like macrocydes. However, to date, the sublimation, self-assembly and atomistic insights of expanded porphyrins on surfaces have remained elusive. Here, we show the self-assembly on Au(111) of an expanded aza-porphyrin, namely, an "expanded hemi-spatially-controlled porphyrazine", through a unique growth mechanism based on deprotonation long-range orientational self-assembly. Furthermore, a spatially controlled "writing" protocol on such self-assembled architecture is presented based on the STM tip-induced deprotonation of the inner protons of individual macrocydes. Finally, the capability of these surface-confined macrocydes to host lanthanide elements is assessed, introducing a novel off-centered coordination motif. The presented findings represent a milestone in the fields of porphyrinoid chemistry and surface science, revealing a great potential for novel surface patterning, opening new avenues for molecular level information storage, and boosting the emerging field of surface-confined coordination chemistry involving f-block elements.
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9.
  • Engel, Philipp, et al. (författare)
  • The Bee Microbiome: Impact on Bee Health and Model for Evolution and Ecology of Host-Microbe Interactions
  • 2016
  • Ingår i: mBio. - : American Society for Microbiology. - 2161-2129 .- 2150-7511. ; 7:2
  • Forskningsöversikt (refereegranskat)abstract
    • As pollinators, bees are cornerstones for terrestrial ecosystem stability and key components in agricultural productivity. All animals, including bees, are associated with a diverse community of microbes, commonly referred to as the micro biome. The bee micro biome is likely to be a crucial factor affecting host health. However, with the exception of a few pathogens, the impacts of most members of the bee microbiome on host health are poorly understood. Further, the evolutionary and ecological forces that shape and change the microbiome are unclear. Here, we discuss recent progress in our understanding of the bee microbiome, and we present challenges associated with its investigation. We conclude that global coordination of research efforts is needed to fully understand the complex and highly dynamic nature of the interplay between the bee micro biome, its host, and the environment. High-throughput sequencing technologies are ideal for exploring complex biological systems, including host-microbe interactions. To maximize their value and to improve assessment of the factors affecting bee health, sequence data should be archived, curated, and analyzed in ways that promote the synthesis of different studies. To this end, the BeeBiome consortium aims to develop an online database which would provide reference sequences, archive metadata, and host analytical resources. The goal would be to support applied and fundamental research on bees and their associated microbes and to provide a collaborative framework for sharing primary data from different research programs, thus furthering our understanding of the bee microbiome and its impact on pollinator health.
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10.
  • Fredriksson, Anna M K, 1979, et al. (författare)
  • Exploring contextual variables of tactical planning within the construction industry
  • 2017
  • Ingår i: 24th EurOMA conference, July 3-5, Edinburgh, Scotland..
  • Konferensbidrag (refereegranskat)abstract
    • The purpose is to explore what context dependencies within the planning environment of the construction industry that need to be considered designing tactical planning processes. The preliminary result using a Delphi study including architects, clients, contractors, researchers, and suppliers indicates that the top five most important context dependencies are: Several kinds of stakeholders, Several planning phases, Lack of standardisation in planning, Low information sharing, and Opportunistic behaviour. Based on the patterns between the different expert groups two propositions are developed, indicating lack of shared understanding of planning between different stakeholders in construction and a project focus when thinking of planning.
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