Search for dissertations about: "NAP"

Showing result 11 - 15 of 21 swedish dissertations containing the word NAP.

  2. 11. Estimating source area of pollen and pollen productivity in the cultural landscapes of southern Sweden - developing a palynological tool for quantifying past plant cover

    Author : Anna Broström; Kvartärgeologi; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; aerial photographs; pollen productivity estimates; relevant source area of pollen; southern Sweden; quantitative landscape reconstruction; GIS; pollen dispersal; simulation model; Geology; physical geography; Geologi; fysisk geografi;

    Abstract : Fossil pollen records retrieved from peat and lake sediments have great potential for quantifying past plant cover. This thesis is a contribution to the development of a palynological interpretation tool for reconstructing past cultural landscapes in terms of plant abundance and distribution. READ MORE

  4. 12. Neutrophil recruitment in H. pylori induced inflammation: characterization of regulatory factors

    Author : Mikael Innocenti; Göteborgs universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Helicobacter pylori; endothelial cells; neutrophils; monocytes; transendothelial; migration; chemokines; cytokines; adhesion molecules inflammation; LPS; CagPAI; VacA;

    Abstract : Helicobacter pylori, a bacterium colonizing the human gastric mucosa, is strongly associatedwith the development of gastric and duodenal ulcers, as well as gastric, adenocarcinoma.Virtually all infected individuals develop active chronic gastritis characterized by a continousinfiltration of neutrophils as well as mononuclear cells. READ MORE

  5. 13. Characterisation of surface traits of Helicobacter pylori and their role in the infectious process

    Author : Christoffer Petersson; Roland Möllby; Linköpings universitet; []
    Keywords : MEDICINE; MEDICIN;

    Abstract : The surface appendages of bacteria determine the initial contact with host cells. Characterisation of functional organisation and spatial distribution of adhesive traits of outer membrane components of Gram-negative bacteria is a key issue in studies of the parasite-host cell interaction. READ MORE

  6. 14. The primed neutrophil : a friend or a foe in inflammation

    Author : Per Follin; Staffan Ahlstedt; Linköpings universitet; []
    Keywords : MEDICINE; MEDICIN;

    Abstract : Human neutrophils are the most abundant of the white blood cells in circulation and represent the first line of defense against invading microorganisms. With a membrane-bound enzyme system (the NADPH oxidase), these cells can generate reactive oxygen metabolites that serve efficiently in antimicrobial defense. READ MORE

  7. 15. Long shifts, short rests and vulnerability to shift work

    Author : John Axelsson; Torbjörn Åkerstedt; Ulf Lundberg; Phil Tucker; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Sleep; alertness; sleepiness; shiftwork; compressed working hours; long shifts; 12h shifts; quick returns; quick change-overs; tolerance; gender; Psychology; Psykologi;

    Abstract : At the same time as many urban economies are developing into 24-hour societies it is becoming increasingly popular amongst shift workers to compress their working hours. This is done by working longer shifts (>8h) and/or restricting free time (... READ MORE