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X-ray fluorescence analysis in medical sciences: a review

Some elements have toxic effects on the human body and there is thus a need to control their levels in human organs and tissues. Moreover, it is important to increase our knowledge of relationships between observable toxic effects and element concentrations in man and his environment. Monitoring and basic occupational and environmental research rely on measurements directly in humans as well as sa

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Artikeln bygger på gästföreläsningar i Heidelberg och Helsingfors. Den är en förstudie till ett av Vetenskapsrådet stött projekt om tillämpningen av de tyska raslagarna vid hindersprövning på pastorsämbetena i Sverige. Tillämpningen byggde på en internationell privaträttslig konvention från 1902. I Nederländerna, med samma rättsläge, tillämpades raslagarna endast på tyska medborgare, men i Sverige

Unga vuxna med en historia av uppförandestörning : En långtidsuppföljning med ett salutogent och ekologiskt perspektiv

Popular Abstract in Swedish Denna avhandling innehåller en huvudstudie och en delstudie. Syftet med huvudstudien var att följa upp en grupp ungdomar som hade blivit diagnostiserade med uppförandestörning (n=351) i det unga vuxenlivet. Delstudiens syfte var att ifrågasätta och klargöra frågeformuläret KASAM-29 och dess förhållande till den salutogena teorin. I avhandlingen användes olika utfallsvarThis dissertation consists of a primary and a secondary study. The aim of the primary study is to follow-up a group of juveniles diagnosed with conduct disorder (n=351) into adulthood. The secondary study's aim is to question, clarify and attach the questionnaire SOC-29 to the salutogenic theory.In the dissertation different outcomes and outcome measurements are fomulated and discussed. Two perspe

Ketotifen induces primary necrosis of human eosinophils

Eosinophils are considered essential in the pathogenesis of allergy. Reduced eosinophil apoptosis is considered to be a key element in the formation of eosinophilia in allergic conditions. Antihistamines are widely used in the treatment of allergic disorders, but their effects on eosinophil apoptosis are poorly understood. The histamine HI-receptor antagonist, ketotifen, is available orally and as

Beslut om trombosprofylax vid graviditet--enklare med riskpoäng

Swedish guidelines for thrombosis risk estimation and thrombosis prophylaxis in relation to pregnancy are based on risk factors with a 5-fold increased risk of thrombosis or some multiple thereof. The risk factors are added together forming a risk score, where by risk score 1 is associated with a 5-fold increased risk, risk score 2 with a 25-fold increased risk, etc. The absolute risk of thrombosi

The influence of metal coordination on ligand geometry: the structure of 2-(diphenylphosphino)acetophenone and bis(2-(diphenylphosphino)acetophenone)palladium(II)bistriflate

The structures of 2(diphenylphosphino)acetophenone and bis(2(diphenyl phosphino)acetophenone)palladium(II)bistriflate have been determined by X-ray crystallography. The ligand is of interest because its P,O donor set combines the hard and soft properties. In the Pd-complex, which was prepared by treating tetrakisacetonitrile-palladium-bistriflate with 2-(diphenylphosphino)acetophenone in dichlorom

Modeling dune response by overwash transport

A numerical model is presented that simulates sediment transport and profile response produced by overwash of dunes by wave runup. Transport formulas are derived for the different regions of the subaerial portion of the beach covering the swash zone, beach and dune crest, and region landward of the crest. After calculating the distribution of the cross-shore sediment transport rate, profile respon

Ultrafast depolarization of the fluorescence in a conjugated polymer

The effect of the extent of electron conjugation on the primary photophysics in semiconducting polymers is reported. A rapid depolarization of photoluminescence and transient absorption, which indicates a reorientation of the transition dipole moment by ~30° on a sub-100 fs time scale, is observed in the fully conjugated polymer poly[2-(2'-ethylhexyloxy)-5-methoxy-1,4-phenylenevinylene] (MEH-PPV).

Do self-presentation concerns moderate the relationship between implicit and explicit homonegativity measures?

This study investigated whether the relation between implicit and explicit homonegativity measures is affected by self-presentation concerns, since previous research in this area has been inconclusive. In Experiment 1, 70 high-school students made evaluative ratings of pictures of homosexual and heterosexual couples. Self-presentation was manipulated by either instructing participants that the stu

Cyst formation and glial response in the brain lesions of stroke-prone spontaneously hypertensive rats

The brain lesions in spontaneously hypertensive stroke-prone rats (SHRSP) are characterised by multifocal microvascular damage, breakdown of the blood-brain barrier, massive extravasation of plasma constituents and severe brain oedema, with consequent spongy and cystic tissue destruction in the cerebral cortex and basal ganglia as well as loosening of the white matter. In this paper we analyse in

Interactions between M proteins of Streptococcus pyogenes and glycosaminoglycans promote bacterial adhesion to host cells.

Several microbial pathogens have been reported to interact with glycosaminoglycans (GAGs) on cell surfaces and in the extracellular matrix. Here we demonstrate that M protein, a major surface-expressed virulence factor of the human bacterial pathogen, Streptococcus pyogenes, mediates binding to various forms of GAGs. Hence, S. pyogenes strains expressing a large number of different types of M prot

Anthracycline-based chemotherapy as primary treatment for intravascular lymphoma

Background: Optimal therapeutic management of intravascular lymphoma (IVL) lacks precise guidelines. Patients and methods: The clinico-pathological features of 38 HIV-negative patients with IVL were reviewed to define efficacy of chemotherapy in these malignancies. Clinical characteristics of 22 patients treated with chemotherapy and of 16 untreated patients were compared in order to understand be

Structure investigation of Ti-IV-BODOLates involved in the catalytic asymmetric reduction of ketones using catecholborane

The complexes formed by the reaction of [Ti(OiPr)(4)] and bicyclo-octanediols (BODOLs) 1 and 2 (1:1) are useful as chiral catalysts in asymmetric reductions and were investigated by H-1 NMR spectroscopy and computational methods. A consistent picture emerged of head-to-tail dimers being kept together via a Ti-O-Ti-O mu-oxo bridge similar to the Ti-tartrates but different from the corresponding Ti-

Datorsimulering av utrymning vid brand – inventering av tre angreppssätt

Three approaches for modelling evacuation in the event of fire were studied based on existing computer programs. The programs included in the study were ERM, EVACNET4, STEPS, buildingEXODUS and SIMULEX. However, only some aspects of buildingEXODUS were examined. The three approaches, called network models (ERM and EVACNET4), gridmodels (STEPS and buildingEXOUDUS) and particle models (SIMULEX) diff