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C-14 sample preparation for AMS microdosing studies at Lund University using online combustion and septa-sealed vials

The Department of Physics at Lund University is participating in a European Union project called EUMAPP (European Union Microdose AMS Partnership Programme), in which sample preparation and accelerator mass spectrometry (AMS) measurements of biological samples from microdosing studies have been made. This paper describes a simplified method of converting biological samples to solid graphite for C-

Utility of splenic transient elastography in assessing the presence of portal hypertension - A review

Portal hypertension (PH) is a major complication of chronic liver disease, often leading to serious clinical consequences such as variceal bleeding, ascites, and splenomegaly. The current gold standard for PH diagnosis, namely, hepatic venous pressure gradient measurement, is invasive and not widely available. Transient elastography has emerged as a non-invasive alternative for assessing liver sti

Optimering av växelbyten

At this point, railway switching systems exchange takes about 15 hours to perform. It means that long time is needed if performing multiple exchanges. It even means that traffic on tracks has to be disallowed for a long amount of time. It costs maintenance companies like Infranord a lot of money to keep tracks free from other vehicles during the work. The company needs to purchase special permissi

A Simulation Study of Swedish Emergency Care.

Purpose The master thesis highlights improvements potentials that exist in the Psychiatric ER in Stockholm County and the resource-saving measures that can be realized in the medical logistics through by producing a simulation model of the system. Methodology In order to fulfill the purpose of the master thesis qualitative methods such as interviews has been used successfully. To make the simulati

Factoring out glue-code in systems of IoT devices: the PalCom architecture model

We present an architecture for distributed, heterogeneous systems where there is a clear separation of concerns for Computation, Coordination, Configuration. The computation part is often implemented in traditional programming code, and packaged as services. The other concerns might need to be addressed much later and by other people in separate organisations, or even by end users. In this paper w

Economic Diversification and Institutional Quality—Issues of Concentrated Interests

Recent research has provided broad accounts of what high institutional quality is; bureaucrats should be impartial and recruited on merit, public power should not be used for private gain, there should be rule of law, and property rights should be secure. Many scholars argue the reason why, in spite of this knowledge, recent institutional reforms have had limited success is that improvements are n

Stay or go – how topographic complexity influences alpine plant population and community responses to climate change

In the face of climate change, populations have two survival options − they can remain in situ and tolerate the new climatic conditions (“stay”), or they can move to track their climatic niches (“go”). For sessile and small-stature organisms like alpine plants, staying requires broad climatic tolerances, realized niche shifts due to changing biotic interactions, acclimation through plasticity, or

Scepticism and Belief in Witchcraft Drama, 1538-1681

This book situates witchcraft drama within its cultural and intellectual context, highlighting the centrality of scepticism and belief in witchcraft to the genre. It is argued that these categories are most fruitfully understood not as static and mutually exclusive positions within the debate around witchcraft, but as rhetorical tools used within it. In drama, too, scepticism and belief are vital

Developing eHealth in neonatal care to enhance parents' self-management

BackgroundDischarge from a neonatal care unit is often experienced as a vulnerable time for parents. By communicating through digital technology, it may be possible to improve the support for parents and thereby make the transition from hospital to home less stressful.AimTo develop an eHealth device supporting the transition from hospital to home for parents with a preterm‐born child in Sweden usi

Monitoring electron energies during FLASH irradiations

When relativistic electrons are used to irradiate tissues, such as during FLASH pre-clinical irradiations, the electron beam energy is one of the critical parameters that determine the dose distribution. Moreover, during such irradiations, linear accelerators (linacs) usually operate with significant beam loading, where a small change in the accelerator output current can lead to beam energy reduc

Laplace distribution models for road topography and roughness

Gaussian models are frequently used for road elevations. However, these models are often only valid for short sections of the road. Here we present a comprehensive approach to describe various aspects of road surface/elevation by using extensions of Gaussian models arising from random gamma distributed variances. These random variances result in the Laplace distribution and thus we refer to the so

Galvanomagnetic methods of Curie temperature determination in (Ga,Mn)As

We critically discuss various experimental methods to determine Curie temperature TC of (Ga,Mn)As thin layers or other conducting magnetic materials by means of electric charge transport measurements. They all base on the influence of sample magnetization on the magnetoresistivity tensor ρ̂ and are an alternative to the method based upon an analysis of the temperature derivative of the sample resi

Integrating transport and land-use planning? How steering cultures in local authorities affect implementation of integrated public transport and land-use planning

Previous research has shown integrated planning to be important for achieving aims concerning more environmentally friendly transport operations, but less good at explaining prerequisites of implementation. This paper analyses how management and working practises in local authorities, here understood as steering cultures, affect implementation of integrated land-use and public transport planning a

Comparison of experimental and calculated shielding factors for modular buildings in a radioactive fallout scenario

Experimentally and theoretically determined shielding factors for a common light construction dwelling type were obtained and compared. Sources of the gamma-emitting radionuclides 60Co and 137Cs were positioned around and on top of a modular building to represent homogeneous fallout. The modular building used was a standard prefabricated structure obtained from a commercial manufacturer. Four refe