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- Lindqvist, PG, et al.
(författare)
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Low sun exposure habits is associated with a dose-dependent increased risk of hypertension: a report from the large MISS cohort
- 2021
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Ingår i: Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology. - : Springer Science and Business Media LLC. - 1474-9092. ; 20:2, s. 285-292
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Tidskriftsartikel (refereegranskat)abstract
- In prospective observational cohort studies, increasing sun exposure habits have been associated with reduced risk of cardiovascular mortality. Our aim was to assess possible observational mechanisms for this phenomenon. A written questionnaire was answered by 23,593 women in the year 2000 regarding risk factors for melanoma, including factors of possible interest for hypertension, such as detailed sun exposure habits, hypertension, marital status, education, smoking, alcohol consumption, BMI, exercise, and chronic high stress. Hypertension was measured by the proxy “use of hypertension medication” 2005–2007, and high stress by “need of anti-depressive medication”. Sun exposure habits was assessed by the number of `yes’ to the following questions; Do you sunbath during summer?, During winter vacation?, Do you travel south to sunbath?, Or do you use sun bed? Women answering ‘yes’ on one or two questions had moderate and those answering ‘yes’ on three or four as having greatest sun exposure. The main outcome was the risk of hypertension by sun exposure habits adjusted for confounding. As compared to those women with the greatest sun exposure, women with low and moderate sun exposure were at 41% and 15% higher odds of hypertension (OR 1.41, 95% CI 1.3‒1.6, p < 0.001 and OR 1.15, 95% CI 1.1‒1.2, p < 0.001), respectively. There was a strong age-related increased risk of hypertension. Other risk factors for hypertension were lack of exercise (OR 1.36), a non-fair phenotype (OR 1.08), chronic high stress level (OR 1.8), and lack of university education (OR 1.3). We conclude that in our observational design sun exposure was associated with a dose-dependent reduced risk of hypertension, which might partly explain the fewer deaths of cardiovascular disease with increasing sun exposure.
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- Ek, Martin, 1984, et al.
(författare)
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Redox dynamics of 2D crystalline vanadium oxide phases on high-index anatase facets
- 2023
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Ingår i: Nanoscale. - 2040-3372 .- 2040-3364. ; 15:21, s. 9503-9509
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Tidskriftsartikel (refereegranskat)abstract
- Vanadium oxides exist in a multitude of phases with varying structure and stoichiometry. This abundance of phases can be extended through the use of other oxides as supports, and through redox treatments. However, the combined effects of different supports and redox treatments can be difficult to identify, particularly when present as different terminating facets on nanoparticles. Here, we examine structural dynamics of 2D vanadium oxides supported on anatase TiO2 nanoparticles, correlated with changes in oxidation state, using in situ transmission electron microscopy imaging and electron energy loss spectroscopy. As the average oxidation state is reduced below V(iv), an ordered cubic V(ii) phase is observed exclusively at the high-index {10l} facets of the support. This local accommodation of highly reduced states is necessary for explaining the observed range of average oxidation states. In turn, the findings show that oxidation states extending from V(v)-V(iv) to V(ii) can be simultaneously stabilized by different supporting oxide surfaces during exposure to atmospheres with controlled redox potential.
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- Lindqvist, PG, et al.
(författare)
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The relationship between sun exposure and all-cause mortality
- 2017
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Ingår i: Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology. - : Springer Science and Business Media LLC. - 1474-9092. ; 16:3, s. 354-361
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Tidskriftsartikel (refereegranskat)
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- Rodhouse, PG, et al.
(författare)
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Cephalopod predation by the king penguin Aptenodytes patagonicus from South Georgia
- 1998
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Ingår i: MARINE ECOLOGY-PROGRESS SERIES. - : INTER-RESEARCH. - 0171-8630. ; 168, s. 13-19
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The king penguin Aptenodytes patagonicus is a sub-Antarctic species that feeds primarily on mesopelagic fish and cephalopods in the vicinity of the Antarctic Polar Front (APF). We examined the cephalopod prey of adult penguins at a breeding colony on Sout
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