Sökresultat

The active layer thickness (ALT) is an indicator of permafrost thaw, which potentially leads to the release of large amounts of greenhouse gases under global warming, and thus could further amplify climate change. The thaw depth of the active layer also governs seasonal surface deformation, caused by the volume change between ice to water, which poses risks for slope stability and infrastructure f

Neonicotinoid insecticides are agonists to nicotinic acetylcholine receptors (nAChRs) in the brains of insects. At sub-lethal doses these chemicals cause behavioral abnormalities in several bee species, reducing overall fitness. nAChRs expressed in the optic lobes of insects bind neonicotinoids, thus may be involved in these behavioral changes. Here we attempted without success to visualize the pr

As one of the primary countries of destination for migrant domestic workers in Asia, Singapore is a developed country with one of the highest standards of living in the region. Yet, the city-state has been on the receiving end of extensive criticism concerning the rights and protections of migrant domestic workers. Civil society organizations have been one of the loudest critics, and in recent pub

The aim of this study was to use case study approach to show educators that identities of immigrant students are complex, and a response to the dominant culture. The cases were four immigrant students in grades 8 to 10 in Iceland. Through interviews, and observations, data was gathered on how the students construct their identities in the school con-text, with a focus on teachers’ expectations. Th

The current research aims to find out how the European legal system may approach the challenges of the online social networking and their effects on the right to privacy in personal data protection of the European users. Since the answer closely depends on the nature of the right in question (human right or property right), the thesis involves a comparative analysis of the American and European p

För att se om brand regimerna i Sverige före större antropogena påverkningar skett år jämförbara med nutida Kanadensiska brand regimer jämförde jag två datasets av brand storlek och antal bränder. Man kan se likheter när Kanada och Sveriges brand regimer jämfördes, men eftersom sökarean varierade mycket (Kanada: hela landet, Sverige: 608km2) och den temporala upplösningen (Kanada: 41 år, Sverige: To assess if the fire regimes in Sweden before the strong human intervention are comparable to the recent Canadian fire regime I compared two datasets of fire numbers. A likeness could be found when comparing the Swedish and Canadian fire regimes, but due to the differences in study area (Canada: the whole state; Sweden 608km2) and time span (Canada: 41 years, Sweden: 800 years), no significant re

The cytokine IL-23 plays important roles in intestinal barrier protection and integrity, but is also linked to chronic inflammation. In this issue of JEM, Ohara et al. (https://doi.org/10.1084/jem.20230923) provide clarity on the much-debated question of which cells produce IL-23.

The catalytic oxidation of HCl by molecular oxygen (Deacon process) over ceria allows the recovery of molecular chlorine from the omnipresent HCl waste produced in various industrial processes. In previous density functional theory (DFT) model-calculations by Amrute et al. [ J. Catal. 2012, 286, 287−297.], it was proposed that the most critical reaction step in this process is the displacement of

When investigating a settlement dated to the late Mesolithic,c.5500 cal BC, at Strandvägen in south-central Sweden, an extensive assemblageof implements made of bone and antler was found. Among these finds was a richlydecorated antler piece, likely part of an antler axe. Originally it was equippedwith shallow ornamentation that was later removed and replaced by a seconddeeper motif of longitudinal

Robins captured as passage migrants by the Baltic Sea in Sweden at Falsterbo and Ottenby Bird Observatories, respectively, differ with respect to body mass, fat load and orientation behaviour. Relatively more birds with large visual fat deposits are captured at Ottenby than at Falsterbo, but robins at Falsterbo carry more fat than robins at Ottenby. Robins with small fat loads at Ottenby probably

Background. Dehiscence of colon anastomosis is a common, serious and potentially life-threatening complication after colorectal operation. In experimental models, impaired biomechanic strength of colon anastomoses is preventable by general inhibitors of matrix metalloproteinases (MMPs) and associated with collagen loss, which indicates a possible link between MMP-mediated collagen degradation and

Background: The sural nerve is the most commonly used nerve for grafting severe nerve defects. Our aim was to evaluate subjective outcome in the lower leg after harvesting the sural nerve for grafting nerve defects. Methods: Forty-six patients were asked to fill in a questionnaire to describe symptoms from leg or foot, where the sural nerve has been harvested to reconstruct an injured major nerve

The expansion of wind power in Sweden has brought increasing conflicts between the wind power industry and the interests of the military forces. This paper analyses the reasons for these perceived conflicts and suggests solutions for mitigating at least some of the problems. The analysis is based on literature studies, several semistructured interviews and workshops with stakeholders in Sweden, De