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Rapporten beskriver prototyper av kontinuerliga tvåfraktionsinsamlare för övervakning av partikulära luftföroreningar i arbetsmiljö som har konstruerats. En prototyp är personburen och ger möjligheter till insamling av två partikelstorleksfraktioner i 18 diskreta intervall. PIXE-metoden (analys med partikelinducerad röntgenstrålning) används för multielementanalys av de erhållna proven. Även med m
Originally studied in relation to aging and cancer research, telomerase is now also investigated in relation to psychiatric disorders and treatments. Based on emerging clinical and preclinical data, we hypothesise that telomerase activation could represent a novel element mediating the mechanism of action of certain psychopharmacological interventions (e.g. antidepressants, lithium and antipsychot
After a long career in studying agricultural and rural development, in the following paper I take the opportunity to reflect on these issues in the rear view mirror. The advantage of this is of course that my biographical time span now covers a considerable historical one, starting with the apocalyptic alarms over the population bomb at the end of the 60s, especially in Asia, and the widespread fe
It is well known that the xylem of gymnosperm trees consists mainly of tracheids and that the dimensions of these cells change over the growth season in temperate regions. When looking at a micrograph of a cross section of a growth ring, it can be seen that early in the season tracheids have larger radial diameters and thin walls, while tracheids formed later in the growth season have smaller radi
It is a trivial fact that water is needed for decay of wood by brown rot fungi, but when this is looked at in more detail, there are several fundamental questions concerning water and decay that are not solved. The purpose of this study is to study how the wood-water interaction is changed during degradation of brown-rot fungi of Norway spruce (Picea abies (L) Karst.) grown at two different parts
Den 13 november 1872 inträffade en extrem översvämning i kustområdena kring Södra Östersjön. Högt vattenstånd i kombination med höga vågor ledde till att cirka 300 personer omkom och fler än 15 000 blev hemlösa. Utmed Skånes kust omkom minst 23 personer, över 100 bostadshus förstördes och hundratals kustfiskare förlorade sin inkomstkälla då båtar och fiskeredskap slogs sönder och drogs ut i havet.On November 13, 1872 an extreme flood occurred in the coastal areas surrounding the South Baltic Sea. An extreme storm surge in combination with high waves caused the death of about 300 people and more than 15,000 people lost their homes. Along the coast of Scania, southern Sweden, at least 23 people were killed and more than 100 houses were destroyed. Hundreds of fishermen lost their source of in
Background: Genome and transcriptome sequencing has greatly facilitated the understanding of biomass-degrading mechanisms in a number of fungal species. The information obtained enables the investigation and discovery of genes encoding proteins involved in plant cell wall degradation, which are crucial for saccharification of lignocellulosic biomass in second-generation biorefinery applications. T
It has been proposed that hyaluronan-binding proteoglycans play an important role as guiding cues during neural crest (NC) cell migration, but their precise function has not been elucidated. In this study, we examine the distribution, structure and putative role of the two major hyaluronan-binding proteoglycans, PG-M/versicans and aggrecan, during the course of avian NC development. PG-M/versicans
Protein Microchip Array technology makes it possible to examine patterns of protein expressions and modifications. Current technologies such as two-dimensional get electrophoresis (2-DE) in combination with mass spectrometry allows the identification of biologically relevant proteins with high resolving power, but has also considerable limitations. Most spots observed in 2-DE are from high abundan
Purpose - The purpose of this paper is to augment heat transfer rates of traditional rib-elements with minimal pressure drop penalties. Design/methodology/approach - The novel geometries in the present research are conventional cylindrical ribs with rounded transitions to the adjacent flat surfaces and with modifications at their bases. All turbulent fluid flow and heat transfer results are presen
This paper presents a study exploring the capabilities of a new method, described by Åkesson and Alic [1], which extends the capabilities of the algebraic graphic statics method, by Van Mele and Block [11]. The new method extends the algebraic graphic statics method by making it bi-directional i.e. allowing for determination of an updated form diagram by making direct interactive manipulations of
Genomic sequencing of avian haemosporidian parasites (Haemosporida) has been challenging due to excessive contamination from host DNA. In this study, we developed a cost-effective protocol to obtain parasite sequences from naturally infected birds, based on targeted sequence capture and next generation sequencing. With the genomic data of Haemoproteus tartakovskyi as a reference, we successfully s
As diets change in response to ethical, environmental, and health concerns surrounding meat consumption, fermentation has potential to improve the taste and nutritional qualities of plant-based foods. In this study, cauliflower, white beans, and a 50:50 cauliflower-white bean mixture were fermented using different strains of Lactobacillus plantarum. In all treatments containing cauliflower, the pH
Världen förändras kontinuerligt. Företag arbetar idag hårt för att hålla jämna steg med omvärlden för att på så vis hålla sig konkurrenskraftiga. Att arbeta för att hitta nya affärsmöjligheter har blivit av allt större betydelse. IKEA är ett globalt företag som står inför en enorm tillväxt för att nå deras mål till år 2020. För att klara denna tillväxt och för att kunna säkra försörjningen till nyThe world is continuously changing. Today many companies work hard to keep up with the surrounding world to stay competitive. To work with finding new business opportunities has become of higher importance than ever. IKEA is a global company facing a tremendous growth to reach their goal for 2020. To manage this growth and be able to secure supply to new retail markets, the company needs to increa
In 2008, the National Library of Sweden decided to transition from the Swedish system of classification, SAB, to the internationally established system Dewey Decimal Classification (DDC). The aim of this master’s thesis is to study the process of transition and the effect of this transition on the library collections and users of three Swedish libraries: two university libraries and one public lib
