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- Joffrin, E., et al.
(author)
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Overview of the JET preparation for deuterium-tritium operation with the ITER like-wall
- 2019
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In: Nuclear Fusion. - : IOP Publishing. - 1741-4326 .- 0029-5515. ; 59:11
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Research review (peer-reviewed)abstract
- For the past several years, the JET scientific programme (Pamela et al 2007 Fusion Eng. Des. 82 590) has been engaged in a multi-campaign effort, including experiments in D, H and T, leading up to 2020 and the first experiments with 50%/50% D-T mixtures since 1997 and the first ever D-T plasmas with the ITER mix of plasma-facing component materials. For this purpose, a concerted physics and technology programme was launched with a view to prepare the D-T campaign (DTE2). This paper addresses the key elements developed by the JET programme directly contributing to the D-T preparation. This intense preparation includes the review of the physics basis for the D-T operational scenarios, including the fusion power predictions through first principle and integrated modelling, and the impact of isotopes in the operation and physics of D-T plasmas (thermal and particle transport, high confinement mode (H-mode) access, Be and W erosion, fuel recovery, etc). This effort also requires improving several aspects of plasma operation for DTE2, such as real time control schemes, heat load control, disruption avoidance and a mitigation system (including the installation of a new shattered pellet injector), novel ion cyclotron resonance heating schemes (such as the three-ions scheme), new diagnostics (neutron camera and spectrometer, active Alfven eigenmode antennas, neutral gauges, radiation hard imaging systems...) and the calibration of the JET neutron diagnostics at 14 MeV for accurate fusion power measurement. The active preparation of JET for the 2020 D-T campaign provides an incomparable source of information and a basis for the future D-T operation of ITER, and it is also foreseen that a large number of key physics issues will be addressed in support of burning plasmas.
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| 5. |
- Lindell, Lina, 1977-, et al.
(author)
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Journey to the destination: a circular tourism economy : a training program for the hospitality industry to facilitate a transition towards increased circularity in the South Baltic Region
- 2019
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Reports (other academic/artistic)abstract
- Being aware of the extent of the tourism industry and that it is ever growing, which is also encouraged in many individual countries by the national and regional governments, it is evident that the tourism industry is an essential target group for introducing circular concepts and implementing circular solutions. Yet, this sector has so far received little attention in the literature and initiatives on circularity.Circular Economy (CE) goes beyond “green” or “environmental”, it includes all aspects of a community and challenges us to create solutions that are completely different from what we are used to. It also invites us to open up and interact with other stakeholders and the general public.In your hands is the first training material in circular economy specifically developed for small to medium sized companies of the tourism industry in the South Baltic Region. It is a small but important step in the direction towards circularity and a wellbeing society. Through this work we have shown that despite cultural challenges and regional differences there is a shared, common interest in making tourism more sustainable and even to work together towards a transformation of the hospitality industry. This common vision has been stronger than the challenges we faced in making this work and this is what will ensure the continued growing awareness on circularity and its integration in different sectors in our communities. In this work we have featured some of the groundbreaking experts in this field, and some of the first good practices from our regions. They are all courageous pioneers in a field that with time will become the norm. In fact, in the 10th Annual Forum of the EU strategy for the Baltic Sea Region (12-13/6/2019, Gdansk, Poland), CE was highlighted as the pathway to reach prosperity and wellbeing in the Baltic Sea Region.
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| 6. |
- Olafsson, S, et al.
(author)
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Fourteen sequence variants that associate with multiple sclerosis discovered by meta-analysis informed by genetic correlations
- 2017
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In: NPJ genomic medicine. - : Springer Science and Business Media LLC. - 2056-7944. ; 2, s. 24-
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Journal article (peer-reviewed)abstract
- A meta-analysis of publicly available summary statistics on multiple sclerosis combined with three Nordic multiple sclerosis cohorts (21,079 cases, 371,198 controls) revealed seven sequence variants associating with multiple sclerosis, not reported previously. Using polygenic risk scores based on public summary statistics of variants outside the major histocompatibility complex region we quantified genetic overlap between common autoimmune diseases in Icelanders and identified disease clusters characterized by autoantibody presence/absence. As multiple sclerosis-polygenic risk scores captures the risk of primary biliary cirrhosis and vice versa (P = 1.6 × 10−7, 4.3 × 10−9) we used primary biliary cirrhosis as a proxy-phenotype for multiple sclerosis, the idea being that variants conferring risk of primary biliary cirrhosis have a prior probability of conferring risk of multiple sclerosis. We tested 255 variants forming the primary biliary cirrhosis-polygenic risk score and found seven multiple sclerosis-associating variants not correlated with any previously established multiple sclerosis variants. Most of the variants discovered are close to or within immune-related genes. One is a low-frequency missense variant in TYK2, another is a missense variant in MTHFR that reduces the function of the encoded enzyme affecting methionine metabolism, reported to be dysregulated in multiple sclerosis brain.
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| 9. |
- Heurling, Kerstin, et al.
(author)
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Quantitative positron emission tomography in brain research
- 2017
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In: Brain Research. - : Elsevier BV. - 0006-8993 .- 1872-6240. ; 1670, s. 220-234
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Journal article (peer-reviewed)abstract
- The application of positron emission tomography (PET) in brain research has increased substantially during the past 20 years, and is still growing. PET provides a unique insight into physiological and pathological processes in vivo. In this article we introduce the fundamentals of PET, and the methods available for acquiring quantitative estimates of the parameters of interest. A short introduction to different areas of application is also given, including basic research of brain function and in neurology, psychiatry, drug receptor occupancy studies, and its application in diagnostics of neurodegenerative disorders such as Alzheimer's disease and Parkinson's disease. Our aim is to inform the unfamiliar reader of the underlying basics and potential applications of PET, hoping to inspire the reader into considering how the technique could be of benefit for his or her own research. (C) 2017 Elsevier B.V. All rights reserved.
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| 10. |
- Hofmann, R., et al.
(author)
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Supplemental oxygen therapy does not affect the systemic inflammatory response to acute myocardial infarction
- 2018
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In: Journal of Internal Medicine. - : WILEY. - 0954-6820 .- 1365-2796. ; 283:4, s. 334-345
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Journal article (peer-reviewed)abstract
- Background. Oxygen therapy has been used routinely in normoxemic patients with suspected acute myocardial infarction (AMI) despite limited evidence supporting a beneficial effect. AMI is associated with a systemic inflammation. Here, we hypothesized that the inflammatory response to AMI is potentiated by oxygen therapy. Methods. The DETermination of the role of Oxygen in suspected Acute Myocardial Infarction (DETO2X-AMI) multicentre trial randomized patients with suspected AMI to receive oxygen at 6 L min(-1) for 6-12 h or ambient air. For this prespecified subgroup analysis, we recruited patients with confirmed AMI from two sites for evaluation of inflammatory biomarkers at randomization and 5-7 h later. Ninety-two inflammatory biomarkers were analysed using proximity extension assay technology, to evaluate the effect of oxygen on the systemic inflammatory response to AMI. Results. Plasma from 144 AMI patients was analysed whereof 76 (53%) were randomized to oxygen and 68 (47%) to air. Eight biomarkers showed a significant increase, whereas 13 were decreased 5-7 h after randomization. The inflammatory response did not differ between the two treatment groups neither did plasma troponin T levels. After adjustment for increase in troponin T over time, age and sex, the release of inflammation-related biomarkers was still similar in the groups. Conclusions. In a randomized controlled setting of normoxemic patients with AMI, the use of supplemental oxygen did not have any significant impact on the early release of systemic inflammatory markers.
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