Sökning: "S Hansen"

Visar resultat 1 - 5 av 16 avhandlingar innehållade orden S Hansen.

  1. 1. Aquatic vegetation in coastal ecosystems : The role of biotic interactions and environmental change for ecosystem functions and resilience in the Baltic Sea

    Författare :Åsa Austin; Johan S. Eklöf; Joakim P. Hansen; Serena Donadi; Matthew E. S. Bracken; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; biodiversity; ecosystem functions; ecosystem multifunctionality; water clarity; fish recruitment; functional traits; feedbacks; biotic interactions; competition; facilitation; foundation species; seagrass; macrophytes; lagoons; brackish water; Baltic Sea; marin ekologi; Marine Ecology;

    Sammanfattning : Coastal ecosystems are among the most productive on Earth but subjected to many human pressures. In shallow coastal areas, aquatic vegetation constitutes foundation species that sustain secondary production and act as a nutrient filter, which may buffer human impacts. LÄS MER

  3. 2. Studies on cysteine-rich peptides from Nemertea and Violaceae : Proteomic and transcriptomic discovery and characterization

    Författare :Erik Jacobsson; Ulf Göransson; Håkan S. Andersson; Robert Burman; Espen Hansen; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Peptide toxin; cystine knot; nemertide; cyclotide; nemertea.; Farmakognosi; Pharmacognosy;

    Sammanfattning : The overall aims of the projects included in this thesis were to discover, synthesize and characterize disulphide-stabilized peptides from marine worms (Nemertea sp.) and plants (Viola sp.). LÄS MER

  4. 3. Role of Melatonin, Neuropeptide S and Short Chain Fatty Acids in Regulation of Duodenal Mucosal Barrier Function and Motility

    Författare :Wan Salman Wan Saudi; Markus Sjöblom; Olof Nylander; Mark Berner-Hansen; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; 51Cr-EDTA; rat; in vivo; duodenum; enteric nervous system; paralytic ileus; parecoxib; bicarbonate secretion; motility; ethanol; HCl; melatonin; neuropeptide S; short chain fatty acids; chemosensing; Physiology; Fysiologi;

    Sammanfattning : The duodenal epithelium is regularly exposed to HCl, digestive enzymes, bacteria and toxins, and sometimes also to ethanol and drugs. The imbalance of aggressive factors in the intestinal lumen and mucosal barrier function increases the risk of tissue injury and inflammation. LÄS MER

  5. 4. Internet or Traditional Stores : Identifying Influences on Consumers' Mobile Phone Purchases

    Författare :Therese Hansen; Amjad Hadjikhani; Cecilia Pahlberg; Peter Thilenius; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Business Studies; Företagsekonomi;

    Sammanfattning : This explorative study aims to identify factors that can explain why some consumer purchases occur via Internet Stores while others take place in traditional stores. During the last few years' development of IT and Internet, the thoroughly explored research area of where consumers purchase has come to involve a new type of retail store, the Internet store. LÄS MER

  7. 5. Dissertatio botanica qua Aspalathus, consensu experient. Facult. Med. Ups. præside Carol. Pet. Thunberg, ... publico exam. subijcitur ab Jacobo Hansén ... Gothlando. in audit. botan. d. VII Jun. MDCCCII. Pars poster

    Författare :Carl Peter Thunberg; Jacob Hansén; Carl Peter Thunberg; Uppsala universitet; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER