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As part of a program designed to elucidate the excited state properties of key eumelanin building blocks, we report herein a study of 5,6-dihydroxyindole (DHI) in phosphate buffer at pH 3 and pH 7 using femtosecond transient absorption spectroscopy. The transient absorption changes following excitation at 266 nm were used to directly monitor relaxation of the excited states. It was found that the
The Bicoid (Bcd) protein gradient in Drosophila serves as a paradigm for gradient formation in textbooks. To explain the generation of the gradient, the ARTS model, which is based on the observation of a bcd mRNA gradient, proposes that the bcd mRNA, localized at the anterior pole at fertilization, migrates along microtubules (MTs) at the cortex to the posterior to form a bcd mRNA gradient which i
Background. Reliable risk estimates for venous thrombosis in families with inherited thrombophilia are scarce but necessary for determining optimal screening and treatment policies. Objectives: In the present analysis, we determined the risk of a first venous thrombotic event in carriers of a thrombophilic defect (i.e. antithrombin-, protein C- or protein S deficiency, or factor V Leiden). Patient
Nyckelord: Miljömål, miljönyckeltal, ekonomistyrning, CSR, strategi, Alfdex Författare: Henrik Nilsson & Sandra Abdul Karim Handledare: Hans Knutsson Titel: Miljövänlighet i fordonsindustrin? En studie om styrning av miljömål på Alfdex AB Problem: Miljövänlighet och ekonomisk framgång har länge setts som motpoler. Det har lett till att många företag i fordonsindustrin har föredragit att beKeywords: Environmental goals, environmental KPI, management control, CSR, strategy, Alfdex Authors: Henrik Nilsson & Sandra Abdul Karim Supervisor: Hans Knutsson Title: Environmental friendliness in the automotive industry? A study about managing environmental goals in Alfdex AB Problem: Environmental friendliness and economic success has long been seen as opposites. This has resulted in
The use of an object-oriented approach in software engineering has proven to be successful for many years, but in the fields of mechanics and automation it has been ignored for long. The Tetra Pak Carton Bottle automation team believes that a switch from a function-oriented architecture to an object-oriented one would be of benefit not only to them but also any department which is involved with de
This paper proposes a fast method for detection of indecent video content using repetitive motion analysis. Unlike skin detection, motion will provide invariant features irrespective of race and color. The video material to be evaluated is divided into short fixed-length sections. By filtering different combinations of B-frame motion vectors using adjacency in time and space, one dominant motion v
Dominance can be maintained through status recognition or recognition of individual (familiar) opponents. In crustaceans, both types of recognition exist, often based on chemical signals. Fight behaviours involved in establishment and maintenance of dominance relationships in male and female European lobster (Homarus gammarus) were examined. Same-sex pairs of size-matched animals interacted on two
To create fair conditions between majority and minority in Sweden is a challeging project. Male immigrants usually do not get same opportunities for a success identity structure and integration into Swedish society as women and children. The aim of this thesis is therefore to critically examine and analyse the processes regarding identity structure and integration for male immigrants with a specif
The purpose of this essay was to study how youths think about their youth and future. Our intention was to study in which order of priority today's high school students in Helsingborg ranked family life, education, career and vagabonding. We also investigated what the term adolescence meant to them. Our main questions were how our respondents looked upon their youth and their future. In which
The terrestrial biosphere shows substantial inertia in its response to environmental change. Hence, assessments of transient changes in ecosystem properties to 2100 do not capture the full magnitude of the response realized once ecosystems reach an effective equilibrium with the changed environmental boundary conditions. This equilibrium state can be termed the committed state, in contrast to a tr
Desire for life and protecting lives has come to the fore during the pandemic. Borders have been closed to stop the spread of Covid-19. The virus does not respect borders, yet physical distance is crucial. Three things have become clear. One is the level of uncertainty about which measures are most efficient. The other is that the neo-liberal philosophy with “just in time” deliveries on a global m
This thesis deals with the question of how men perceive the usage of gender stereotypes in print advertisements. After reviewing existing literature in the field of gender stereotypes and their utilization in advertisements, a research gap has been identified in two areas: male gender stereotypes and perception of advertisements. Hence, this thesis combines these two aspects in an attempt to contr
Visual routines theory posits that vision is critical for guiding sequential actions in the world. Most studies on the link between vision and sequential action have considered individual agents, while substantial human behaviour is characterized by multi-party interaction. Here, the actions of each person may affect what the other can subsequently do. We investigated task execution and gaze alloc
The honeybee Apis mellifera, with a brain of only 960,000 neurons and the ability to perform sophisticated cognitive tasks, has become an excellent model in life sciences and in particular in cognitive neurosciences. It has been used in our laboratories to investigate brain and behavioural asymmetries, i.e., the different functional specializations of the right and the left sides of the brain. It
Lung transplantation is currently the only option for patients with end-stage respiratory diseases, but owing to various complications and adverse effects of the treatment in combination with the increasing demand for and limited access to donor organs, new strategies are needed. Recent advances in materials science, culture techniques, cell-phenotyping and isolation techniques, bioreactor enginee
