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Aims. To investigate the astrometric effects of stellar surface structures as a practical limitation to ultra-high-precision astrometry (e.g. in the context of exoplanet searches) and to quantify the expected effects in different regions of the HR-diagram. Methods. Stellar surface structures (spots, plages, granulation, non-radial oscillations) are likely to produce fluctuations in the integrated
A short text on Herman Wirth, an esoteric nazi, with the focus on his period in Sweden 1948-53 (which builds on my own research)
This thesis deals with certain aspects in the design of wireless communications systems. It is focused on problems related to the mobile or wireless channel: synchronization, channel estimation and design of wireless orthogonal frequency division multiplex (OFDM) systems. There is a short introduction to the field of wireless systems and a deeper review of pervious work and the state of the art in
BACKGROUND AND AIMS: Developing care for older people in the last phase of life requires knowledge about the type and extent of care and factors associated with the place of death. The aim of this study was to examine age, living conditions, dependency, care and service among old people during their last year of life, but also their place of death and factors predicting it. METHODS: The sample (n=
Status of three natural groups of xanthorioid lichens (Teloschistaceae), namely Xanthomendoza ulophyllodes, Xanthoria elegans and Teloschistes villosus groups is revised. Their status is elevated to the generic level. They are segregated from other hitherto accepted groups, namely Oxneria (with type species Oxneria alfredii (S. Kondr. & Poelt) S. Kondratyuk & Karnefelt) from Xanthomendoza,
A large number of rachopharmaceuticals labelled with C-11 (half-time 0.340 h) are being developed for positron emission tomographic studies of different types of receptor in the human brain. For most of these agents, the available biokinetic data are insufficient to construct realistic compound-specific biokinetic models for calculating the internal radiation dose delivered to persons undergoing i
Patients receiving oral anticoagulant treatment have abnormally low levels of functional vitamin K-dependent coagulation proteins and consequently a clear risk of hemorrhagic complications. The incidence of hemorrhages has been reported to be around 0.6-0.7% per month at a therapeutic International Normalized Ratio (INR) and the incidence of major hemorrhagic events is substantial. Therefore, the
Background: Insulin is a therapeutic protein that is widely used for the treatment of diabetes. Its biological function was discovered more than 80 years ago and it has since then been characterized extensively. Crystallization of the insulin molecule has always been a key activity since the protein is often administered by subcutaneous injections of crystalline insulin formulations. Over the year
In 1990, a joint Nordic-Russian project was initiated in order to make independent estimations of the effective dose to selected groups of inhabitants in a highly contaminated area around the city of Novozybkov In the western Bryansk region of Russia. The inhabitants were living in six villages with initial contamination levels of Cs-137 between 0.9 and 2.7 MBq m(-2). Some villages had been decont
It has been possible to sensitize the rat urethra without cutting its nerves. This was achieved by hypertrophy or disuse. Hypertrophy of the urethra (2-4-fold weight increase) was caused by the presence of an intraluminal paraffin bolus. Disuse was caused by diverting the flow of urine from the lower urinary tract. When examined in vitro after an experimental period of 1 to 4 weeks the EC50 value
Filmrecension av Roger Donaldsons Tretton dagar (Thirteen Days).
Mucin-1 has proven to be a suitable target for antibody-based diagnosis and therapy of certain tumours, but no appropriate human antibody or antibody fragment displaying slow dissociation rate kinetics against this target is available. Since a rapid dissociation character prevents an antibody fragment from remaining at the site of the antigen, this fact may prevent the successful application of a
Leflunomide is a low molecular weight immunosuppressive drug which inhibits the enzymes dehydroorotate dehydrogenase and protein tyrosine kinase, both of which are important components in the immune response. As the mechanisms of action of leflunomide and tacrolimus are different, we postulated an additive or synergistic effect of the two drugs and investigated the effects of leflunomide alone, or
