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Träfflista för sökning "WFRF:(Bodin L G) "

Search: WFRF:(Bodin L G)

  • Result 1-10 of 45
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1.
  • Feroci, M., et al. (author)
  • The large observatory for x-ray timing
  • 2014
  • In: Proceedings of SPIE - The International Society for Optical Engineering. - : SPIE. - 9780819496126
  • Conference paper (peer-reviewed)abstract
    • The Large Observatory For x-ray Timing (LOFT) was studied within ESA M3 Cosmic Vision framework and participated in the final downselection for a launch slot in 2022-2024. Thanks to the unprecedented combination of effective area and spectral resolution of its main instrument, LOFT will study the behaviour of matter under extreme conditions, such as the strong gravitational field in the innermost regions of accretion flows close to black holes and neutron stars, and the supranuclear densities in the interior of neutron stars. The science payload is based on a Large Area Detector (LAD, 10 m2 effective area, 2-30 keV, 240 eV spectral resolution, 1° collimated field of view) and a Wide Field Monitor (WFM, 2-50 keV, 4 steradian field of view, 1 arcmin source location accuracy, 300 eV spectral resolution). The WFM is equipped with an on-board system for bright events (e.g. GRB) localization. The trigger time and position of these events are broadcast to the ground within 30 s from discovery. In this paper we present the status of the mission at the end of its Phase A study.
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2.
  • Feroci, M., et al. (author)
  • LOFT - The large observatory for x-ray timing
  • 2012
  • In: Proceedings of SPIE - The International Society for Optical Engineering. - : SPIE - International Society for Optical Engineering. - 9780819491442 ; , s. 84432D-
  • Conference paper (peer-reviewed)abstract
    • The LOFT mission concept is one of four candidates selected by ESA for the M3 launch opportunity as Medium Size missions of the Cosmic Vision programme. The launch window is currently planned for between 2022 and 2024. LOFT is designed to exploit the diagnostics of rapid X-ray flux and spectral variability that directly probe the motion of matter down to distances very close to black holes and neutron stars, as well as the physical state of ultradense matter. These primary science goals will be addressed by a payload composed of a Large Area Detector (LAD) and a Wide Field Monitor (WFM). The LAD is a collimated (<1 degree field of view) experiment operating in the energy range 2-50 keV, with a 10 m2 peak effective area and an energy resolution of 260 eV at 6 keV. The WFM will operate in the same energy range as the LAD, enabling simultaneous monitoring of a few-steradian wide field of view, with an angular resolution of <5 arcmin. The LAD and WFM experiments will allow us to investigate variability from submillisecond QPO's to yearlong transient outbursts. In this paper we report the current status of the project.
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3.
  • Dunn, R. J. H., et al. (author)
  • GLOBAL CLIMATE : State of the Climate in 2020
  • 2021
  • In: Bulletin of the American Meteorological Society. - : American Meteorological Society. - 0003-0007 .- 1520-0477. ; 102:8
  • Journal article (peer-reviewed)
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4.
  • Cumming, G. S., et al. (author)
  • Advancing understanding of natural resource governance : a post-Ostrom research agenda
  • 2020
  • In: Current Opinion in Environmental Sustainability. - : Elsevier BV. - 1877-3435 .- 1877-3443. ; 44, s. 26-34
  • Journal article (peer-reviewed)abstract
    • Institutions are vital to the sustainability of social-ecologicalsystems, balancing individual and group interests andcoordinating responses to change. Ecological decline andsocial conflict in many places, however, indicate that ourunderstanding and fostering of effective institutions for naturalresource management is still lacking. We assess theoreticaland methodological challenges facing positivist institutionalanalysis, focusing on natural resource governance according toOstrom’s social-ecological systems (SES) framework. Ratherthan adding more variables, progress requires a clearer, moreconsistent approach to selecting, defining and measuringinstitutional elements; stronger links between theory andempirical research; a greater focus on mechanisms andcausality; and the development and application of newmethods, including quantitative approaches. Strengthening theconnections between theory, models, and data suggestsseveral promising avenues for advancing institutional analysisthrough the study of relationships between institutionalstructure, process, function, context, and outcomes.
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6.
  • Bodin, Örjan, et al. (author)
  • Improving network approaches to the study of complex social–ecological interdependencies
  • 2019
  • In: Nature Sustainability. - : Springer Science and Business Media LLC. - 2398-9629. ; 2:7, s. 551-559
  • Journal article (peer-reviewed)abstract
    • Achieving effective, sustainable environmental governance requires a better understanding of the causes and consequences of the complex patterns of interdependencies connecting people and ecosystems within and across scales. Network approaches for conceptualizing and analysing these interdependencies offer one promising solution. Here, we present two advances we argue are needed to further this area of research: (i) a typology of causal assumptions explicating the causal aims of any given network-centric study of social–ecological interdependencies; (ii) unifying research design considerations that facilitate conceptualizing exactly what is interdependent, through what types of relationships and in relation to what kinds of environmental problems. The latter builds on the appreciation that many environmental problems draw from a set of core challenges that re-occur across contexts. We demonstrate how these advances combine into a comparative heuristic that facilitates leveraging case-specific findings of social–ecological interdependencies to generalizable, yet context-sensitive, theories based on explicit assumptions of causal relationships.
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7.
  • Franzen, L., et al. (author)
  • Letter to the editor (multiple letter)
  • 2005
  • In: Clinical Transplantation. - : Wiley. - 0902-0063 .- 1399-0012. ; 19:4, s. 571-
  • Journal article (other academic/artistic)
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8.
  • Hosie, S., et al. (author)
  • Gastrointestinal dysfunction in patients and mice expressing the autism-associated R451C mutation in neuroligin-3
  • 2019
  • In: Autism Research. - : Wiley. - 1939-3792 .- 1939-3806. ; 12:7, s. 1043-1056
  • Journal article (peer-reviewed)abstract
    • Gastrointestinal (GI) problems constitute an important comorbidity in many patients with autism. Multiple mutations in the neuroligin family of synaptic adhesion molecules are implicated in autism, however whether they are expressed and impact GI function via changes in the enteric nervous system is unknown. We report the GI symptoms of two brothers with autism and an R451C mutation in Nlgn3 encoding the synaptic adhesion protein, neuroligin-3. We confirm the presence of an array of synaptic genes in the murine GI tract and investigate the impact of impaired synaptic protein expression in mice carrying the human neuroligin-3 R451C missense mutation (NL3(R451C)). Assessing in vivo gut dysfunction, we report faster small intestinal transit in NL3(R451C) compared to wild-type mice. Using an ex vivo colonic motility assay, we show increased sensitivity to GABA(A) receptor modulation in NL3(R451C) mice, a well-established Central Nervous System (CNS) feature associated with this mutation. We further show increased numbers of small intestine myenteric neurons in NL3(R451C) mice. Although we observed altered sensitivity to GABA(A) receptor modulators in the colon, there was no change in colonic neuronal numbers including the number of GABA-immunoreactive myenteric neurons. We further identified altered fecal microbial communities in NL3(R451C) mice. These results suggest that the R451C mutation affects small intestinal and colonic function and alter neuronal numbers in the small intestine as well as impact fecal microbes. Our findings identify a novel GI phenotype associated with the R451C mutation and highlight NL3(R451C) mice as a useful preclinical model of GI dysfunction in autism. Autism Res 2019, 12: 1043-1056. (c) 2019 International Society for Autism Research, Wiley Periodicals, Inc. Lay Summary People with autism commonly experience gastrointestinal problems, however the cause is unknown. We report gut symptoms in patients with the autism-associated R451C mutation encoding the neuroligin-3 protein. We show that many of the genes implicated in autism are expressed in mouse gut. The neuroligin-3 R451C mutation alters the enteric nervous system, causes gastrointestinal dysfunction, and disrupts gut microbe populations in mice. Gut dysfunction in autism could be due to mutations that affect neuronal communication.
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10.
  • Bergström, Gunnar, Professor, et al. (author)
  • Reliability and factor structure of the Multidimensional Pain Inventory--Swedish Language Version (MPI-S).
  • 1998
  • In: Pain. - : LWW. - 0304-3959 .- 1872-6623. ; 75:1, s. 101-10
  • Journal article (peer-reviewed)abstract
    • The psychological assessment of chronic pain is often accomplished using questionnaires such as the (West Haven-Yale) Multidimensional Pain Inventory ((WHY)MPI) which is constructed to capture the multidimensionality of chronic pain. The (WHY)MPI theoretically originates from behavioural and cognitive behavioural theories of pain. It is divided into three parts and measures psychosocial and behavioural consequences of pain. This questionnaire has displayed satisfactory psychometric properties and translations of the original English version into German and Dutch have been demonstrated to be reliable and valid. The aim of this study was to test the reliability and factor structure of a Swedish translation of the (WHY)MPI, the MPI-S, and also to test the generalisability of the factor structure found for the (WHY)MPI. We performed analyses of internal consistency using Cronbach's alpha, and carried out a confirmatory factor analysis (CFA) employing LISREL-8 on a population of 682 patients suffering from chronic musculoskeletal pain. Test-retest analysis was accomplished on a sub-sample of 54 individuals taken from the aforementioned population. For sections 1 and 2 of the MPI-S the overall reliability and stability were good, and after the exclusion of four items, the factor structure was similar to other versions of the MPI. For section 3, despite removal of five questions, the proposed factor structure could not be replicated. This part of the inventory is designed to measure the extent of different types of activities, and our results suggest that this section may only be used for assessing general activity level. We conclude that, with a few adjustments, the analyses yielded satisfactory results for sections 1 and 2 of the MPI-S regarding its factor structure, reliability and generalisability. For section 3 the hypothesised factor structure could not be confirmed.
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