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- Breitbarth, E., et al.
(författare)
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Iron biogeochemistry across marine systems : progress from the past decade
- 2010
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Ingår i: Biogeosciences. - : Copernicus GmbH. - 1726-4170 .- 1726-4189. ; 7:3, s. 1075-1097
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Tidskriftsartikel (refereegranskat)abstract
- Based on an international workshop (Gothenburg, 14-16 May 2008), this review article aims to combine interdisciplinary knowledge from coastal and open ocean research on iron biogeochemistry. The major scientific findings of the past decade are structured into sections on natural and artificial iron fertilization, iron inputs into coastal and estuarine systems, colloidal iron and organic matter, and biological processes. Potential effects of global climate change, particularly ocean acidification, on iron biogeochemistry are discussed. The findings are synthesized into recommendations for future research areas
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| 5. |
- Amici, Julia, et al.
(författare)
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A Roadmap for Transforming Research to Invent the Batteries of the Future Designed within the European Large Scale Research Initiative BATTERY 2030
- 2022
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Ingår i: Advanced Energy Materials. - : John Wiley & Sons. - 1614-6832 .- 1614-6840. ; 12:17
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Forskningsöversikt (refereegranskat)abstract
- This roadmap presents the transformational research ideas proposed by "BATTERY 2030+," the European large-scale research initiative for future battery chemistries. A "chemistry-neutral" roadmap to advance battery research, particularly at low technology readiness levels, is outlined, with a time horizon of more than ten years. The roadmap is centered around six themes: 1) accelerated materials discovery platform, 2) battery interface genome, with the integration of smart functionalities such as 3) sensing and 4) self-healing processes. Beyond chemistry related aspects also include crosscutting research regarding 5) manufacturability and 6) recyclability. This roadmap should be seen as an enabling complement to the global battery roadmaps which focus on expected ultrahigh battery performance, especially for the future of transport. Batteries are used in many applications and are considered to be one technology necessary to reach the climate goals. Currently the market is dominated by lithium-ion batteries, which perform well, but despite new generations coming in the near future, they will soon approach their performance limits. Without major breakthroughs, battery performance and production requirements will not be sufficient to enable the building of a climate-neutral society. Through this "chemistry neutral" approach a generic toolbox transforming the way batteries are developed, designed and manufactured, will be created.
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| 6. |
- Guabiraba, Rodrigo, et al.
(författare)
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Mechanisms of type I interferon production by chicken TLR21
- 2024
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Ingår i: Developmental and comparative immunology. - 1879-0089. ; 151
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Tidskriftsartikel (refereegranskat)abstract
- The innate immune response relies on the ability of host cells to rapidly detect and respond to microbial nucleic acids. Toll-like receptors (TLRs), a class of pattern recognition receptors (PRRs), play a fundamental role in distinguishing self from non-self at the molecular level. In this study, we focused on TLR21, an avian TLR that recognizes DNA motifs commonly found in bacterial genomic DNA, specifically unmethylated CpG motifs. TLR21 is believed to act as a functional homologue to mammalian TLR9. By analysing TLR21 signalling in chickens, we sought to elucidate avian TLR21 activation outputs in parallel to that of other nucleic acid species. Our analyses revealed that chicken TLR21 (chTLR21) triggers the activation of NF-κB and induces a potent type-I interferon response in chicken macrophages, similar to the signalling cascades observed in mammalian TLR9 activation. Notably, the transcription of interferon beta (IFNB) by chTLR21 was found to be dependent on both NF-κB and IRF7 signalling, but independent of the TBK1 kinase, a distinctive feature of mammalian TLR9 signalling. These findings highlight the conservation of critical signalling components and downstream responses between avian TLR21 and mammalian TLR9, despite their divergent evolutionary origins. These insights into the evolutionarily conserved mechanisms of nucleic acid sensing contribute to the broader understanding of host-pathogen interactions across species.
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| 7. |
- Trapp, T, et al.
(författare)
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Transgenic mice overexpressing XIAP in neurons show better outcome after transient cerebral ischemia
- 2003
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Ingår i: Molecular and Cellular Neuroscience. - : ACADEMIC PRESS INC ELSEVIER SCIENCE. - 1044-7431 .- 1095-9327. ; 23:2, s. 302-313
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Tidskriftsartikel (refereegranskat)abstract
- X-chromosome linked inhibitor of apoptosis protein (XIAP) is a member of the inhibitor of apoptosis protein (IAP) family and known to inhibit death of various cells under different experimental conditions. Although present in brain tissue, little is known about the physiology of the IAPs in nerve cells. Here we report on the establishment of transgenic mice with overexpression of human XIAP in brain neurons. The mice developed normally, and were more resistant to brain injury caused by transient forebrain ischemia after occlusion of the middle cerebral artery compared to control mice. The XIAP transgenic animals exhibited significantly smaller brain damage, as shown by TUNEL labelling, less reduction in brain protein synthesis, and less active caspase-3 after ischemia compared with controls. Upregulation of RhoB, which is an early indicator of neurological damage, was markedly reduced in the XIAP-overexpressing mice, which had also a better neurological outcome than control animals. This together with the increase in XIAP in normal mouse brain in regions surviving the infarct demonstrates that XIAP is an important factor promoting neuronal survival after ischemia. The results suggest that interference with the levels and the activity of XIAP in neurons may provide targets for the development of drugs limiting neuronal death after ischemia, and possibly in other brain injuries. (C) 2003 Elsevier Science (USA). All rights reserved.
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