Sökning: "wallin g"
Visar resultat 1 - 5 av 23 avhandlingar innehållade orden wallin g.
1. Molecular Dynamics Simulations of Fluid Lipid Membranes
Sammanfattning : Lipid molecules form thin biological membranes that envelop all living cells, and behave as two-dimensional liquid sheets immersed in bulk water. The interactions of such biomembranes with their environment lay the foundation of a plethora of biological processes rooted in the mesoscopic domain - length scales of 1-1000 nm and time scales of 1-1000 ns. LÄS MER
2. Glutathione in the brain. Studies on efflux and possible implications in neurotoxicity
Sammanfattning : Neuronal cell death in acute insults such as stroke, trauma and epilepsy involves overactivation of glutamate receptors, calcium influx and increased formation of potentially toxic reactive oxygen species. Glutathione is a key component in the antioxidant defense system against reactive oxygen species. LÄS MER
3. Explaining everyday problem solving
Sammanfattning : How well can we explain natural occurrences of cognitive behaviours given the theoretical frameworks available to us today? The thesis explores what has to be assumed in cognitive theory in order to provide such an explanation, in contrast to being able to predict behaviour under controlled circumstances. The behaviours considered are all of the type described as involving higher level cognition or being representation hungry. LÄS MER
4. From growth cessation to bud burst : conifer seedling development in response to nursery culture and environmental stimuli
Sammanfattning : In Sweden, 350-400 million seedlings are produced annually for forest regeneration. About one third of these are overwintered in frozen storage, necessitating accurate methods to assess storability. Young transplants of Norway spruce (Picea abies (L.) Karst. LÄS MER
5. Fusion activation in murine leukemia virus
Sammanfattning : This thesis describes the fusion activation in Murine leukaemia virus (MLV). During entry of retroviruses into uninfected cells, the viral and cellular membranes fuse. The fusion process is mediated by the viral envelope protein composed of three SU and TM heterodimers. LÄS MER