Sökresultat

Att Spåra Gammastrålar med en Gammakamera Gammastrålar produceras av både radioaktiva material och kosmiska objekt, så som supernovor och neutronstjärnor. Gammastrålar består av fotoner, precis som synligt ljus, men har mycket högre energi. Att kunna spåra gammastrålar är användbart inom allt från medicinteknik, till samhällsskydd, och även inom många olika forskningsområden. Fotoner kan interagIn this study the Geant4 toolkit has been used to perform Monte Carlo simulations of relatively inexpensive, inorganic, scintillator-based detectors. Full simulations of the optical photons produced via the scintillation process have been done in order to achieve realistic responses from the attached electro-optical sensors. The main focus of this work is on identifying interaction positions in sc

Denna kvalitativa studie har undersökt och utvärderat chefers upplevelser av en implementerad kompetensförsörjningsstrategi inom Region Skånes psykologverksamhet och hur den kan ha påverkat kompetensförsörjning och kompetensutveckling. Studien baserades på semistrukturerade intervjuer med nio chefer på olika verksamhetsnivåer och har analyserats genom en tematisk analys med en abduktiv ansats. ResThis qualitative study examined and evaluated managers’ experiences of an implemented competence supply strategy within the psychology services at Region Skåne and how it may have affected competence supply and competence development. The study was based on semi-structured interviews with nine managers at different organizational levels and was analyzed using a thematic analysis with an abductive

The report investigates whether ultra-high-frequency ultrasound at 30 MHz can distinguish healthy- from diseased intestinal tissue in infants with Hirschsprung's disease with the same accuracy as 50 MHz. Hirschsprung's disease is defined as the absence of ganglion cells in the distal parts of the intestine. During treatment, the affected sections of the intestine are surgically removed. Th

Technological innovation has been a crucial driver of economic growth, leading to significant improvements in our quality of life. However, the rise of dual-use technologies—those with both beneficial and harmful potential—poses increasing risks. This paper examines what the impact of government policies designed to mitigate these risks is on innovation, focusing on Denmark’s 2008 Biosecurity Law

We test the hypothesis that the spread in the age-metallicity plot of the solar neighborhood is due to a mixture of stars belonging to kinematically different sub-populations of the Galactic disk, i.e., the thin and the thick disk. We use a kinematic subsample of similar to 600 stars from a sample of similar to 6000 dwarf and subgiant stars from the Hipparcos catalog. All of these stars have a ful

A low power wideband low noise amplifier (LNA) was designed and implemented in SiGe HBT technology. The measured noise figure is less than or equal to 1 dB in almost the entire L-band. The gain in the L-band is above 13 dB with a gain variation of 4 dB. Hence, it’s useful for present as well as future GNSS applications. The current consumption is 5 mA from a single supply of +5V. The stability of

A model of emotional conditioning is ex- tended with a cortical model where stimulus codes compete for activation. This system is combined with motivational inputs that mod- ulate both sensory and emotional processing. The extended model is able to reproduce the attentional blocking effect. It can also learn to switch between different sensory targets when the motivational state changes. The relat

Classic material & cases on European Competition Law and Practice. From the first cases decided by the Court of Justice of the European Union and through the most recent cases decided in 2011. The later the cases, the more difficult it becomes to decide if they fit under the name classics. The case law is organized to cover major issues in a basic presentation on Competition Law. Both for stud

The magnitude and Impact of the parasitic capacitances in a vertical InAs nanowire transistor consisting of a matrix of nanowires is evaluated A simple transistor model is fitted to experimental I-V characteristics and the influence of the parasitic components on the transistor performance for different structures is investigated Simulations of the S parameters indicate an intrinsic f(T) of about

The fluorescence interference contrast (FLIC) effect prevents the use of fluorescence techniques to probe the continuity and fluidity of supported lipid bilayers on reflective materials due to a lack of detectable fluorescence. Here we show that adding nanostructures onto reflective surfaces to locally confer a certain distance between the deposited fluorophores and the reflecting surface enables

In 2020, fecal (stool) testing was recommended for diagnosing Mycobacterium tuberculosis complex (MTBC) infection in children by using the Cepheid Xpert MTB/RIF assay; since then, countries have begun implementing stool-based testing, often as part of a comprehensive strategy to enhance TB case finding among children. On the basis of an experience-sharing workshop in November 2023, we determined i

Aims Alternative splicing of Titin (TTN) I-band exons produce protein isoforms with variable size and elasticity, but the mechanisms whereby TTN splice factors regulate exon usage and thereby determining cardiomyocyte passive stiffness and diastolic function, is not well understood. Non-coding RNA transcripts from the antisense strand of protein-coding genes have been shown to regulate alternative

Climate change calls for coastal management to consider longer time scales. The main objective of this study is to develop an analytical tool for long-term dune management to help evaluate the risk associated with high water levels, high waves, and their joint probability, as well as the probability of dune erosion, overwash, and breaching to occur. The tool also aims to identify vulnerable dune s

In this work, a combination of sonication and carbon dioxide expanded liquid extraction (SA-CXLE) is used for the first time for the extraction of lipids from berry seeds. Three solvents (ethanol, methanol and ethyl lactate) are screened for the best recoveries of total lipids. Ethanol is selected due to its efficiency, greenness and sustainability. The effects of operation variables including tem