Sökning: "sulfide"
Visar resultat 16 - 20 av 149 avhandlingar innehållade ordet sulfide.
16. Synthesis and Rearrangement of Epoxy Sugars
Sammanfattning : Ring-Contraction of sugar-derived epoxy alcohols, functionalised in position 1 and 6, by treatment with lithium bromide and N, N, N', N'-tetramethylurea in refluxing toluene gave enantiomerically pure a,b-unsaturated aldehydes of furanosides. O-Glycosidic epoxy alcohols gave only one, easily purified, aldehyde in approximately 30-60% yield depending on the substitution pattern. LÄS MER
17. Dental acrylates and methacrylates - Interactions with the immune system
Sammanfattning : Professionals working in dentistry have reported adverse effects, such as allergic contact dermatitis due to exposure to different methacrylates/acrylates. Leakage of such monomers from dental fillings due to incomplete curing is also common. LÄS MER
18. Health effects of air pollution in Iceland : respiratory health in volcanic environments
Sammanfattning : Air pollution has adverse effects on human health. The respiratory system is the most exposed and short-term changes in air pollution levels have been associated with worsening of asthma symptoms and increased rates of heart attacks and stroke. Air pollution in cities due to traffic is the major concern, as many people are exposed. LÄS MER
19. A molecular exploration of sensory responses in c. elegans
Sammanfattning : Sensation provides a pivotal ability, allowing animals to survive in complex environments. The cues sensed by animals are represented by external stimuli and internal signals. However, the mechanisms mediating sensations in molecular and cellular level are still not well-studied. In this thesis, by using free-living nematodes C. LÄS MER
20. Metal abundance and behavior in geo-materials affected by metal-sulfide oxidation
Sammanfattning : .... LÄS MER