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The Palaeocene arctic supported a vegetation type quite distinct from the tundra and polar desert of today. Here we demonstrate, through the palynological record, the structure of this extinct vegetation and its dynamics over this period. The Late Palaeocene coal-bearing units of the Sagwon Bluffs on Alaska's North Slope (present latitude 69 degrees N) are predominantly fine-grained, non-marine an
When dealing with large-scale environmental contamination, as following the Chernobyl accident, changed land use such that the products of the land are radiologically acceptable and sustain an economic return from the land is a potentially sustainable remediation option. In this paper, willow short rotation coppice (SRC) is evaluated on radiological, technical and economic grounds for W. European
Fibroblast-mediated collagen gel contraction depends on collagen-binding ss1 integrins. Perturbation of these integrins reveals an alternative contraction process that is integrin aVss3-dependent and platelet-derived growth factor (PDGF) BB-stimulated. Connective tissue cells actively control interstitial fluid pressure (IFP) and inflammation-induced lowering of IFP provides a driving force for ed
Glioblastoma multiforme is the most common malignant primary brain tumor and also one of the most therapy-resistant tumors. Because of the dismal prognosis, various therapies modulating the immune system have been developed in experimental models. Previously, we have shown a 37-70% cure in a rat glioma model where rats were peripherally immunized with tumor cells producing IFN. On the basis of the
Transcriptional factors of the GntR family regulate numerous physiological and morphological processes in response to the nutrient state of bacterial cells. The number of GntR transcriptional factors in genomes of soil-dwelling actinomycetes is one of the highest among bacteria, reflecting both the large size of their chromosomes and the complex ecological niche that they occupy. However, very lit
Light sensors are increasingly used to monitor vegetation growing status by measuring reflectance or transmittance in multispectral or photosynthetically active radiation (PAR) bands. The measurements are then used to estimate vegetation indices or the fraction of absorbed PAR (FPAR) in a continuous and long-term manner and to serve as inputs to environmental monitoring and calibration/validation
Heteroclitic monoclonal antibodies are characterized by the ability to bind multiple epitopes with little or no similarity. Such antibodies have been reported earlier, but insight into to the molecular basis of this propensity is limited. Here we report that the KIM185 antibody to human CD18 reacts with the plasma protein C4b-binding protein (C4BP). This was revealed during affinity purification p
Background: S100A9 has been shown to be important for the function of so called Myeloid Derived Suppressor Cells (MDSC). Cells with a similar phenotype are also involved in pro-inflammatory processes, and we therefore wanted to investigate the gene expression and function of these cells in animals that were either subjected to chronic inflammation, or inoculated with tumors. Methods: CD11b(+)Ly6C(
Waxing and waning ice sheets and changing sea levels have been interpreted from the Quaternary stratigraphic record at Leinstranda, Broggerhalvoya in NW Svalbard. We have identified seven high relative sea-level events, related to glacio-isostatic loading, and separated by at least four glacial events. To establish a chronology for the high sea-level events (interstadials and interglacials) and th
Syftet med studien är att utforska hur personer hanterar sin självpresentation på sociala nätverkssidor. Fokus ligger på hur användare förhåller sig till en heterogen publik samt hur sociala normer och det upplevda risktagandet påverkar beteendet och självpresentationen på olika digitala forum. Studien har utförts med hjälp av en kvalitativ metod och empirin består av tre fokusgruppintervjuer med
In the E. ON sponsored research project, Distibution LABoratory, at the Department of Industrial Electrical Engineering and Automation at LTH the impact of the increased move towards use of cables in the Swedish distribution grid is examined. The project also built a model of a small distribution grid. The model was used to simulate a Petersen coil earthed grid system. Petersen coil earthing lower
The Archaean Yilgarn craton in Western Australia is a granite greenstone belt with abundant economically important mineral reserves, including several world-class gold deposits such as the giant Kalgoorlie deposit. Structural controls on gold deposition and the fact that most deposits were formed later in the craton’s tectonic history, has resulted in the general acceptance of a late-orogenic str
Amningsfrekvensen i Sverige och övriga västvärlden har under flera år varit sjunkande. Den nedåtgående trenden kan delvis bero på förändrade attityder till amning. Syftet med studien var att mäta föräldrars attityder till amning dagarna efter förlossningen, med målet att nå en högre förståelse för vilka variabler som påverkar dessa attityder. Detta är en tvärsnittsstudie baserad på Iowa Infant Fee
In carrying out foreign policy in the 21st century, it is indispensable for a global force such as the United States to focus on decisions made by the civil society. Particularly, by implementing foreign policy that balances between hard power and soft power diplomacy, the practices of the new public diplomacy enable nation-states to interact with the public culturally and personally by encouragin
This study presents the formulation of planning guidelines to apply by the responsible entity for municipal solid waste management (IMAUBAR) in Iribarren Municipality, Venezuela, with the aim of complying with the recent legislative instrument passed in December 2010, the Law of Integrated Management of Garbage. An overview of the Latin American Region solid waste management planning documents was
Summary: The aim of this palaeoecological study is to demonstrate and date human impact during the Mesolithic and the Neolithic time in an area considered to be relatively unsuitable for farming and livestock-breeding. The study area is located on the Kullaberg peninsula in northwestern Skåne, South Sweden. The peninsula constitutes a hilly bedrock terrain with Quaternary deposits in the topograph
The main objective of this work was the evaluation of TM (Thematic Mapper) and MSS (Multi Spectral Scanner) data of Landsat 1 and 5 for a large scale forest damage assessment in the black triangle region. The area covers the Krusne Hory and neighboring mountain areas (border area of Germany, Poland and the Czech Republic. A temporal comparison of land use of 1975 and 1989 of a sub area and a class
Globaliseringen av kulturen, ekonomin och politiken leder till gränsöverskridande interaktioner för många aktörer mellan regioner och länder. I takt med att kommunikationen blir allt snabbare och når allt fler platser ökar kontakten mellan människor och ger ögonblickligen information om händelser från alla jordens hörn. Nya innovationer och medicinska genombrott stärker livskvaliteten och ökar livThe globalization of culture, economy and politics leads to cross-border interactions of actors across regions and countries. As communication gets faster and reaching more places contact between people is increasing and information on events from every corner of the world is accessible. New innovations and medical breakthroughs will strengthen the quality of life and increase life expectancy for
