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Visar resultat 11 - 15 av 20 avhandlingar som matchar ovanstående sökkriterier.
11. Circadian plasticity in the neuromuscular junction of Drosophila melanogaster
Sammanfattning : A biological clock exists in many organisms and controls rhythmic behaviors such as the activity pattern of locomotion. At the cellular level, it has been shown that circadian rhythms in the morphology of neurons exist in the fruit fly Drosophila melanogaster. LÄS MER
12. Protected Lignin Biorefining: Fundamental Insights on Lignin Reactivity
Sammanfattning : The potential to utilize lignin, which constitutes as much as 15-30% of the biomass, needs further evaluation. In the transition towards a bioeconomy, lignin has the potential to replace fossil-based phenols. Attempts to valorize the available technical lignins are ongoing; however, that lignin suffers from molecular heterogeneity. LÄS MER
13. Synthesis and Characterization of Self-Assembling Low Molecular Weight Copolymers for Bioengineering Applications
Sammanfattning : The constant need for improved biomedical materials and the interest in producing materials with similar properties to the extracellular matrix in different tissues has resulted in increasing interest in research on hydrogels. Over the last decade self-assembling copolymers have been of particular interest since they form hydrogels in response to external stimuli such as temperature. LÄS MER
14. Preparation and Properties of Surface Modified Thin Polymer Films
Sammanfattning : This thesis deals with preparation, modification and characterisation of thin polymer films. Most of the work has been performed using thin films of high-density polyethylene (HDPE) as a model system for systematic surface modifications by glow discharge plasma and UV/ozone treatments. LÄS MER
15. Synthesis and In Situ ToF-LEIS Analysis of Ultrathin Silicides and Ti-based Films
Sammanfattning : Thin films and coatings play a significant role in today’s society, with applications in electronics, optics, mechanics, and biomedicine. Further advancement in the field of surface coatings requires a good understanding of the unique features of ultrathin films and surfaces, which can only be reached with analysis techniques capable of resolving composition and morphology on a sub-nm scale. LÄS MER