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Ramjet propulsion is commonly preferred to power supersonic and hypersonic vehicles for cruising faster than Mach 3. This is an elegant solution owing to the lean architecture which does not embody any rotating parts. Although the geometry of the engine is simple as compared to turbine based configurations, the flow physics through the engine duct is quite complex and the flow speeds modulate betw
Background: Population-based register data could be used to improve our knowledge of patients surgically treated for foot and ankle disorders. The quality register Swefoot was recently created to collect surgical and patient-reported data of foot and ankle surgery. This manuscript aims to describe the development and current use of the register. Methods: The development of Swefoot started in 2014
Biological scaffold is a popular choice for the preparation of tissue-engineered organs and has the potential to address donor shortages in clinics. However, biological scaffolds prepared by physical or chemical agents cause damage to the extracellular matrix (ECM) by potentially inducing immune responses after implantation. The current study explores the fate of the decellularized (DC) scaffolds
An investigation into the use of statistical texture analysis in combination with ultra high-frequency ultrasound for diagnosing Hirschsprung’s disease (HD); An illness that manifests itself through the absence of ganglia cells in lower parts of the intestine. Current diagnostic techniques carry a higher risk of long-term consequences in newborns and children which enables a new avenue of research
In this thesis the WKB-approximation is used to simulate the tunneling current for an Esaki nanowire diode and the result is compared to data from Esaki nanowire diodes grown with MOVPE. The WKB-approximation with triangular potential barrier predicts a strong increase of the tunneling current as a function of the doping densities and at the highest doping levels it gives lower tunneling distances
The goal of this Master’s Thesis is to investigate the implementation of cryptographic algorithms for IoT and how these encryption systems can be integrated in a NarrowBand IoT platform. Following 3rd Generation Partnership Project (3GPP) specifications, the Evolved Packet System (EPS) Encryption Algorithms (EEA) and EPS Integrity Algorithms (EIA) have been implemented and tested. The latter are b
Purpose/Background: Utilizing proton therapy (PT) for treatment of Hodgkin’s lymphoma (HL) has demonstrated favorable features, particularly a reduced dose to organs at risk (OAR) in comparison with photon radiotherapy. However, there is a coherent complexity with PT including its uncertainties, such as range-uncertainties and set-up variations as protons are highly sensitive to tissue density var
This thesis creates multiple indices to score and rank developing countries with regard to their suitability for engaging in debt-for-climate swaps, and thus identify the most suitable country candidates. The origin of debt-for-climate swaps lies in the 1980s, and after a period of diminished use and attention they have become a topic of discussion again, especially in the last two years. Desp
Kubernetes is a container orchestration platform growing ever more popular, and as the software industry shifts into the container cloud, security will become paramount. The Common Vulnerabilities and Exposures (CVEs) systems cata- log and provide references to known vulnerabilities. The goal of this thesis is to systematically evaluate the security situation of Kubernetes through common mitigatio
The growth of tissues and organs in plants is governed by the morphogen auxin coupled with the membrane protein PIN, which together generate patterns that guide development. Systems of this kind have been studied extensively in experiments and computational system biology models. This thesis builds on that work by introducing a stochastic version of these models to examine differences between stoc
On the 23rd of June the British electorate chose to vote in favour of leaving the EU. The fact that one of the prominent states will leave the EU project is in itself controversial. This thesis examines the Leave campaign through a framing analysis. A qualitative method is used in order to identify the frames within publications made by the campaign, during April-June of 2016. The content of the f
The major problem when developing primers and probe sets for detection of HIV-1 is its high genetic variability and strong ability to mutate. HIV-1 is divided into four groups, M, N, O, P based on genetic similarities, and there are more than 70 different circulating recombinant forms. The aim of this master thesis was to develop new primers and probe for a novel quantitative PCR analysis method f
To utilize sugars as a feedstock for renewable industries, the feedstock often needs to be very pure. This is due to ionic species contaminating the sugar feedstock being potent catalyst poisons in many cases. To remove ionic species from the sugar feedstock, it is dissolved and purified using packed ion-exchange columns. In this report, a lab-scale setup of a large scale ion-exchange setup was co
South East Asia, and Thailand in particular, are experiencing rapid population ageing. In Thailand older people are increasing in both proportion of the population and absolute number. Adaptations are needed to support this ageing population and to prevent poverty in old age. Since 2009 Thailand has had a minimum universal social pension, the Old Age Allowance (OAA) for all citizens aged 60 and ov
Although nanoparticles (NPs) are very small, their field in science is currently growing very large. There are several biological, medical and technical applications possible for NPs when bound to proteins. Protein-NP interactions are difficult to predict and therefore a lot of fundamental research is yet to be completed. This study is an attempt to contribute with the aim to explore the interacti
Several governments recently adopted strategies to facilitate the development of artificial intelligence (AI), one of the reasons being the pursuit of sustainability – a claim with little scientific grounding so far. In this thesis, I strived to outline the scope of AI’s potentials by showing i) the limits of its theoretical and practical usefulness and ii) the political barriers to using it for s
The development of sports within the European Union (EU) has been blooming the latest century, especially in the football sector, which has been transformed into a multi-billion industry. The development of European football has attracted investors outside the EU into heavy investing in football clubs across Europe. This has enabled purchases of new talents and high profile players for astronomica
The aim is to develop a profound comprehension of what role knowledge plays in the process of integrating the internal knowledge within organizations with the external knowledge that can be found in the surrounding cluster initiatives. This research contains a qualitative case study which was developed by following an interpretative, abductive approach that granted the authors to work with theory
