Search results

Filter

Filetype

Your search for "*" yielded 538999 hits

Molecular phylogeny of xanthorioid lichens (Teloschistaceae, Ascomycota), with notes on their morphology.

Five new monophyletic groups of xanthorioid lichens have been identified by phylogenetic analyses using nuclear ITS and 18S and mitochondrial 12 mt and 23 mt sequences. As a consequence, the following new genera are described: Gallowayella, Jesmurraya, Honeggeria, Massjukiella and Martinjahnsia. New combinations for 26 species are proposed: Gallowayella aphrodites, G. borealis, G. concinna, G. cop

Primary weight maintenance: an observational study exploring candidate variables for intervention

Background: Previous studies have focused on weight maintenance following weight loss, i.e. secondary weight maintenance (SWM). The long-term results of SWM have been rather modest and it has been suggested that preventing initial weight gain, i.e. primary weight maintenance (PWM), may be more successful. Therefore, developing a prevention strategy focused on PWM, enabling normal weight or overwei

Physical activity, sedentary behaviors, and estimated insulin sensitivity and secretion in pregnant and non-pregnant women

Background: Overweight and obesity during pregnancy raise the risk of gestational diabetes and birth complications. Lifestyle factors like physical activity may decrease these risks through beneficial effects on glucose homeostasis. Here we examined physical activity patterns and their relationships with measures of glucose homeostasis in late pregnancy compared to non-pregnant women. Methods: Nor

Frail elderly patients' experiences of information on medication. A qualitative study

Background: Older patients generally have only poor knowledge about their medicines. Knowledge is important for good adherence and for participating in decisions about treatment. Patients are entitled to be informed on an individual and adequate level. The aim of the study was to explore frail elderly patients' experiences of receiving information about their medications and their views on how the

Application of the BRAFO tiered approach for benefit-risk assessment to case studies on heat processing contaminants

The aim of the European Funded Project BRAFO (benefit-risk analysis of foods) project was to develop a framework that allows quantitative comparison of human health risks and benefits of foods based on a common scale of measurement. This publication describes the application of the BRAFO methodology to three different case studies: the formation of acrylamide in potato and cereal based products, t

Electron spin relaxation at low field

The low field ESR lineshape and the electron spin-lattice relaxation correlation function are calculated using the stochastic Liouville theory for an effective electron spin quantum number S = 1. When an axially symmetric permanent zero field splitting provides the dominant relaxation mechanism, and when it is much larger than the rotational diffusion constant, it is shown that both electron spin

Orientation specific deposition of mesoporous particles

We present a protocol for a facile orientation specific deposition of plate-like mesoporous SBA-15 silica particles onto a surface (mesopores oriented normal to surface). A drop of an aqueous dispersion of particles is placed on the surface and water vaporizes under controlled relative humidity. Three requirements are essential for uniform coverage: particle dispersion should not contain aggregate

Frontotemporal dementia - symptoms and brain pathology

Popular Abstract in Swedish Frontotemporal demens (FTD) är en grupp av demenssjukdomar som främst drabbar hjärnans pannlober och främre tinninglober. Gemensamt för FTD-sjukdomarna är en fortskridande nervcellsförlust och förtvining av framför allt hjärnbarken. Sjukdomen medför personlighetsförändring med beteendestörningar, förändringar i känsloliv och kognitiva svårigheter. En försämring av språkFrontotemporal dementia (FTD) is the clinical term for a heterogeneous group of dementia disorders with symptoms emerging from frontotemporal lobar degeneration (FTLD). FTD encompasses the behavioural variant (bvFTD) and the progressive aphasias: progressive non-fluent aphasia (PNFA) and semantic dementia (SD). Neuropathological classification is based on protein pathology with three major subgrou

Effects of water gradients and use of urea on skin ultrastructure evaluated by confocal Raman microspectroscopy.

The rather thin outermost layer of the mammalian skin, stratum corneum (SC), is a complex biomembrane which separates the water rich inside of the body from the dry outside. The skin surface can be exposed to rather extreme variations in ambient conditions (e.g. water activity, temperature and pH), with potential effects on the barrier function. Increased understanding of how the barrier is affect

Fast-Track Program for Liver Resection - Factors Prolonging Length of Stay

Background/Aims: Fast-track programs involving multi-modal measures to enhance recovery after surgery, reduce morbidity and decrease hospital length of stay (LOS) are used for different major surgical procedures. For liver resections, factors influencing LOS within a fast-track program have been studied only to a limited extent, which was the aim of the present study. Methodology: The present stud

2D Electronic Spectroscopy Reveals Excitonic Structure in the Baseplate of a Chlorosome

In green photosynthetic bacteria, the chlorosome baseplate mediates excitation energy transfer from the interior of the light-harvesting chlorosome toward the reaction centers. However, the electronic states of the baseplate remain unexplored, hindering the mechanistic understanding of the baseplate as an excitation energy collector and mediator. Here we use two-dimensional spectroscopy to study t

Nosocomial hepatitis C in a thoracic surgery unit; retrospective findings generating a prospective study

We describe the transmission of hepatitis C virus (HCV) to two patients from a thoracic surgeon who was unaware of his hepatitis C infection. By partial sequencing of the non-structural 5B gene and phylogenetic analysis, the viruses from both patients were found to be closely related to genotype la strain from the surgeon. Two further hepatitis C cases were found in relation to the thoracic clinic

Sustainable consumption progress: should we be proud or alarmed?

Many environmental strategies relying on a mere improvement of resource productivity and eco-efficiency of processes and products are not able to fully address the environmental impacts induced by increasing consumption. In addition to these strategies, the concept of sustainable consumption calls for changing the levels and patterns of consumption, which require complimentary approaches. However,

Adaptive and neutral variation of the resprouter Nothofagus antarctica growing in distinct habitats in north-western Patagonia

N. antarctica occurs in the widest range of habitat types among all South American Nothofagus. The aim of this Study is to investigate adaptive responses by variation in morphological (tree form and leaf characters), and environmental traits (soils) of the polymorphic N. antarctica. Also we analyze the effect of genetic drift and limited gene flow in such predominantly apomict by means of neutral