| 1. |
- Bengtsson, Stefan, et al.
(författare)
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Report on the symposium “speculative realism in environmental education and the philosophy of education”
- 2024
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Ingår i: Environmental Education Research. - 1350-4622 .- 1469-5871. ; , s. 1-11
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Tidskriftsartikel (refereegranskat)abstract
- “Speculative Realism in Environmental Education and the Philosophy of Education” was a joint research symposium for the networks on Environmental and Sustainability Education (NW 30) and Philosophy of Education (NW 13), held at the European Conference of Education Research (ECER), 25 August, 2023, in Glasgow, Scotland. The symposium aimed to open up discussion on renewed interest in realisms in the field of philosophy, and what that might mean for education research and the field of environmental education research in particular. As backdrop, environmental education harbours strong democratic traditions as well as recognitions of relationships to a world that is composed by more than human positions and desires. The symposium then forms part of an ongoing discussion of how these positions are understood and intermingle in a rapidly changing world. The expectation of the event was to broaden discussion about the voices present in environmental education, human and otherwise, and sharpen engagement with established traditions within the field. In brief, three paper presentations and discussion by Graham Harman probed questions of: (a) the lightness and darkness of the objects of education, (b) who visibly desires which object in/as education, and (c) the risks of literalisms and correlationalisms in, for example, what is alluring to, and pursued by, educators. In other words, what we care about in and as environmental and sustainability education, what is perceived/treated as peculiar, and what is treated as normal and perverse to the realities of education in the Anthropocene, all matter to the work of speculative realism.
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| 2. |
- Jesnes, Kristin, et al.
(författare)
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Chapter 7. Conclusion
- 2020
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Ingår i: Platform work in the Nordic models: Issues, cases and responses. - : Nordic Council of Ministers. - 0908-6692. - 9789289366083
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Bokkapitel (refereegranskat)
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| 3. |
- Kuikkaniemi, Kai, et al.
(författare)
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Toolkit for user-created augmented reality games
- 2006
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Ingår i: MUM '06 Proceedings of the 5th international conference on Mobile and ubiquitous multimedia. - New York, NY, USA : ACM. - 1595936076 - 9781595936073
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Konferensbidrag (refereegranskat)abstract
- In this paper we present MAR (Mobile Augmented Reality) Toolkit as an easy-to-use augmented reality toolset for building multi-user mobile phone games. It is built on top of MUPE - Nokia-developed open source mobile platform based on Java - which considers the special qualities of mobile technology. MAR Toolkit contains four components, map interface (MAP), physical object tagger (POT), public display (PUD) and silent communicator (SIC).We have successfully demonstrated MAR Toolkit by implementing a game named as Mupeland Yard based on classical board game Scotland Yard. In user testing we found that common usability issues related to mobile technology and MUPE-platform troubled the tests. However, especially POT component raised interest among developers. We found that using graphical 2D-tags for providing location information for augmented reality games is a simple and robust alternative for more technology intensive GPS and cell-ID information.
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| 4. |
- Palmolahti, Lauri, et al.
(författare)
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Pinhole-resistant nanocrystalline rutile TiO2 photoelectrode coatings
- 2022
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Ingår i: Acta Materialia. - : Elsevier BV. - 1359-6454. ; 239
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Tidskriftsartikel (refereegranskat)abstract
- Atomic layer deposited (ALD) TiO2 thin films have a wide range of applications in photonics which are, however, limited by the chemical instability of the amorphous as-deposited TiO2. Post-deposition annealing is required for improving the performance by inducing phase transitions and oxide defects. ALD precursor traces remaining in the TiO2 film affect the thermally-induced processes but the understanding of the effect of growth temperature on precursor traces in the film as well as on the thermally-induced processes is weak. In this study 30 nm ALD TiO2 was grown on Si wafer from tetrakis(dimethylamido)titanium and water at 100–200 °C. TiO2 was subsequently annealed in vacuum at 200–500 °C. Increasing the growth temperature decreased the amount of N bearing precursor traces and thus makes the TiO2 more easily reducible. The reduction takes place simultaneously with the crystallization and formation of O1− defects. Vacuum annealing of TiO2 with less than 0.3 at% of N results in nanocrystalline rutile whereas samples with more N containing traces crystallized as microcrystalline anatase. Nanocrystalline rutile TiO2 was chemically stable and resistant to the dissolution at the grain boundaries under alkaline conditions making it a suitable material for protective photoelectrode coatings used in artificial photosynthesis.
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| 5. |
- Remes, Tiina Maria, et al.
(författare)
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Radiation-induced accelerated aging of the brain vasculature in young adult survivors of childhood brain tumors
- 2020
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Ingår i: Neuro-Oncology Practice. - : Oxford University Press (OUP). - 2054-2577 .- 2054-2585. ; 7:4, s. 415-427
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Tidskriftsartikel (refereegranskat)abstract
- BackgroundCranial radiotherapy may damage the cerebral vasculature. The aim of this study was to understand the prevalence and risk factors of cerebrovascular disease (CVD) and white matter hyperintensities (WMHs) in childhood brain tumors (CBT) survivors treated with radiotherapy.MethodsSeventy CBT survivors who received radiotherapy were enrolled in a cross-sectional study at a median 20 years after radiotherapy cessation. The prevalence of and risk factors for CVD were investigated using MRI, MRA, and laboratory testing. Tumors, their treatment, and stroke-related data were retrieved from patients’ files.ResultsForty-four individuals (63%) had CVD at a median age of 27 years (range, 16-43 years). The prevalence rates at 20 years for CVD, small-vessel disease, and large-vessel disease were 52%, 38%, and 16%, respectively. Ischemic infarcts were diagnosed in 6 survivors, and cerebral hemorrhage in 2. Lacunar infarcts were present in 7, periventricular or deep WMHs in 34 (49%), and mineralizing microangiopathy in 21 (30%) survivors. Multiple pathologies were detected in 44% of the participants, and most lesions were located in a high-dose radiation area. Higher blood pressure was associated with CVD and a presence of WMHs. Higher cholesterol levels increased the risk of ischemic infarcts and WMHs, and lower levels of high-density lipoprotein and higher waist circumference increased the risk of lacunar infarcts.ConclusionsTreating CBTs with radiotherapy increases the risk of early CVD and WMHs in young adult survivors. These results suggest an urgent need for investigating CVD prevention in CBT patients.
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| 7. |
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| 8. |
- Saari, Jesse, et al.
(författare)
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Tunable Ti 3+ -Mediated Charge Carrier Dynamics of Atomic Layer Deposition-Grown Amorphous TiO 2
- 2022
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Ingår i: Journal of Physical Chemistry C. - : American Chemical Society (ACS). - 1932-7447 .- 1932-7455. ; 126:9, s. 4542-4554
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Tidskriftsartikel (refereegranskat)abstract
- Amorphous titania (am.-TiO2) has gained wide interest in the field of photocatalysis, thanks to exceptional disorder-mediated optical and electrical properties compared to crystalline TiO2. Here, we study the effects of intrinsic Ti3+ and nitrogen defects in am.-TiO2 thin films via the atomic layer deposition (ALD) chemistry of tetrakis(dimethylamido)titanium(IV) (TDMAT) and H2O precursors at growth temperatures of 100-200 °C. X-ray photoelectron spectroscopy (XPS) and computational analysis allow us to identify structural disorder-induced penta- and heptacoordinated Ti4+ ions (Ti5/7c4+), which are related to the formation of Ti3+ defects in am.-TiO2. The Ti3+-rich ALD-grown am.-TiO2 has stoichiometric composition, which is explained by the formation of interstitial peroxo species with oxygen vacancies. The occupation of Ti3+ 3d in-gap states increases with the ALD growth temperature, inducing both visible-light absorption and electrical conductivity via the polaron hopping mechanism. At 200 °C, the in-gap states become fully occupied extending the lifetime of photoexcited charge carriers from the picosecond to the nanosecond time domain. Nitrogen traces from the TDMAT precursor had no effect on optical properties and only little on charge transfer properties. These results provide insights into the charge transfer properties of ALD-grown am.-TiO2 that are essential to the performance of protective photoelectrode coatings in photoelectrochemical solar fuel reactors.
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| 9. |
- van der Kolk, Birgitta W., et al.
(författare)
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Molecular pathways behind acquired obesity : Adipose tissue and skeletal muscle multiomics in monozygotic twin pairs discordant for BMI
- 2021
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Ingår i: Cell Reports Medicine. - : Elsevier BV. - 2666-3791. ; 2:4, s. 100226-
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Tidskriftsartikel (refereegranskat)abstract
- Tissue-specific mechanisms prompting obesity-related development complications in humans remain unclear. We apply multiomics analyses of subcutaneous adipose tissue and skeletal muscle to examine the effects of acquired obesity among 49 BMI-discordant monozygotic twin pairs. Overall, adipose tissue appears to be more affected by excess body weight than skeletal muscle. In heavier co-twins, we observe a transcriptional pattern of downregulated mitochondrial pathways in both tissues and upregulated inflammatory pathways in adipose tissue. In adipose tissue, heavier co-twins exhibit lower creatine levels; in skeletal muscle, glycolysis- and redox stress-related protein and metabolite levels remain higher. Furthermore, metabolomics analyses in both tissues reveal that several proinflammatory lipids are higher and six of the same lipid derivatives are lower in acquired obesity. Finally, in adipose tissue, but not in skeletal muscle, mitochondrial downregulation and upregulated inflammation are associated with a fatty liver, insulin resistance, and dyslipidemia, suggesting that adipose tissue dominates in acquired obesity.
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