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Mapping the surface phase diagram of GaAs(001) using droplet epitaxy

We combine droplet epitaxy with low-energy electron microscopy imaging techniques to map the surface phase diagram of GaAs(001). The phase patterns produced in droplet epitaxy are interpreted using a simple model which links the spatial coordinates of phase boundaries to the free energy. It is thereby possible to gain important information on surface phase stability, based on the observed sequenti

Digital twins to personalize medicine

Personalized medicine requires the integration and processing of vast amounts of data. Here, we propose a solution to this challenge that is based on constructing Digital Twins. These are high-resolution models of individual patients that are computationally treated with thousands of drugs to find the drug that is optimal for the patient.

In situ high-resolution structure of the baseplate antenna complex in Chlorobaculum tepidum

Photosynthetic antenna systems enable organisms harvesting light and transfer the energy to the photosynthetic reaction centre, where the conversion to chemical energy takes place. One of the most complex antenna systems, the chlorosome, found in the photosynthetic green sulfur bacterium Chlorobaculum (Cba.) tepidum contains a baseplate, which is a scaffolding super-structure, formed by the protei

The financial crisis of today: a rerun of the past?

The deep financial crisis of today has created an interest in the financial catastrophes of yesterday. LarsJonung, Research Adviser at DG ECFIN, asks: is the present crisis a rerun of those of the past?

Pre-contrast T1 and cartilage thickness as confounding factors in dGEMRIC when evaluating human cartilage adaptation to physical activity

Background: The dGEMRIC (delayed Gadolinium-Enhanced MRI of Cartilage) technique has been used in numerous studies for quantitative in vivo evaluation of the relative glycosaminoglycan (GAG) content in cartilage. The purpose of this study was to determine the influence of pre-contrast T1 and cartilage thickness when assessing knee joint cartilage quality with dGEMRIC. Methods: Cartilage thickness

Det finansiella systemet och den ekonomiska tillväxten: Svenska erfarenheter 1834-1991

Syftet med denna studie är att belysa sambandet mellan den ekono- miska tillväxten och det finansiella systemet. Här behandlas följande centrala fråga: Påverkas tillväxttakten av den finansiella sektorn eller är det tillväxten som driver utvecklingen av det finansiella systemet? Studien, som vilar på en granskning av internationella forsknings- resultat från främst 1990-talet, omfattar en statisti

Characterization of histamine receptors mediating contraction and relaxation of the ovarian follicle wall

Histamine is known to be present in ovarian tissue and may play a role in the ovulation process. The effect of histamine on the follicular smooth musculature was investigated using strips from the protruding part of mature bovine follicles, mounted in vitro for registration of isometric motor activity. Histamine contracted the preparation in a concentration-dependent manner. The response was inhib

Skapa synligare skatter!

Svenska politiker ”mörkar” när det gäller frågan om vad vi faktiskt betalar i skatt. Det handlar om ett demokratiskt informationsunderskott som inte är värdigt ett samhälle som gör anspråk på öppenhet i det offentliga samtalet. Nu måste beslut fattas om att alla lönebesked redovisar såväl totallön, löneskatt och löneavgifter, som bruttolön, inkomstskatt och nettolön. Fiffiga finansministrar har hi

Indoor Particle Concentrations, Size Distributions, and Exposures in Middle Eastern Microenvironments

There is limited research on indoor air quality in the Middle East. In this study, concentrations and size distributions of indoor particles were measured in eight Jordanian dwellings during the winter and summer. Supplemental measurements of selected gaseous pollutants were also conducted. Indoor cooking, heating via the combustion of natural gas and kerosene, and tobacco/shisha smoking were asso

Phenological shifts alter the seasonal structure of pollinator assemblages in Europe

Pollinators play an important role in terrestrial ecosystems by providing key ecosystem functions and services to wild plants and crops, respectively. The sustainable provision of such ecosystem functions and services requires diverse pollinator communities over the seasons. Despite evidence that climate warming shifts pollinator phenology, a general assessment of these shifts and their consequenc