Sökning: "Åsa Lindgren"
Visar resultat 1 - 5 av 14 avhandlingar innehållade orden Åsa Lindgren.
1. Road construction materials as a source of pollutants
Sammanfattning : This thesis deals mainly with road construction materials, particularly in cases where they may contribute polluting substances. The complexity of the measuring and evaluation of some pollutants with respect to sampling and chemical analysis is considered. LÄS MER
2. Horizontal variation of plankton in lakes
Sammanfattning : .... LÄS MER
3. Effects of herbivory on arctic and alpine vegetation
Sammanfattning : The distribution of plant species and functional traits in alpine and arctic environments are determined by abiotic conditions, but also by biotic interactions. In this thesis, I investigate interactions among plants and herbivory effects on plant community composition and plant functional traits in three different regions: Swedish Lapland, Beringia (USA/Russia) and Finnmark (Norway). LÄS MER
4. Function of natural killer cells in Helicobacter pylori infection and gastric cancer
Sammanfattning : Helicobacter pylori infection is one of the most wide-spread infections in the world and causes a chronic inflammation in the gastrointestinal mucosa characterised by increased production of IFN-γ and is associated with an increased risk of developing gastric cancer. The mechanisms behind the development of gastric cancer in H. LÄS MER
5. Down syndrome : Growth and endocrine impact
Sammanfattning : Down syndrome (DS) is associated with psychomotor retardation, short stature and endocrine dysfunction. Statural growth is a well-known indicator of health. The growth in DS differs markedly from that of other children and there is a 20 cm reduction of final height as compared to target height. LÄS MER