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Introduction: An increased production and use of carbon nanotubes (CNTs) is occurring worldwide. In parallel, a growing concern is emerging on the adverse effects the unintentional inhalation of CNTs can have on humans. There is currently a debate regarding which exposure metrics and measurement strategies are the most relevant to investigate workplace exposures to CNTs. This study investigated wo

Objective:Type 1 diabetes and obesity has increased in childhood. We therefore tested the hypothesis that type 1 diabetes human leukocyte antigen DQ (HLA-DQ) risk genotypes may be associated with increased body mass index (BMI).Design:The type 1 diabetes high-risk HLA-DQ A1(*)05:01-B1(*)02:01/A1(*)03:01-B1(*)03:02 genotype along with lower risk DQ genotypes were determined at the time of clinical

Abstract Preeclampsia is a serious pregnancy complication that affects 3-8% of all pregnancies leading to maternal- and fetal morbidity and mortality. The etiology is still not known in detail. Previous findings have shown an up regulation of the genes coding for fetal hemoglobin (HbF) in preeclamptic placentas. The cell-free HbF protein was shown to be accumulating in the vascular lumen, to induc

I slutet av 90-talet utvecklades produkten korslimmat trä, KL-trä. Framtagningen av KL-trä var ett projekt för att framställa ett byggnadsmaterial med avseende att kunna konkurrera med betongindustrin och därigenom bidra till en lägre miljöpåverkan, då trä har en låg påverkan på miljön i förhållande till många andra konstruktionsmaterial. KL-träelement är vanligtvis konstruerade som plattor och haIn the late 1990s cross-laminated timber (CLT) was developed. The development of CLT was a project aimed to produce a structural product that could compete with the concrete industry and contribute to a reduced effect on the environment, due to the low environmental impact of timber in relation to other building materials. CLT elements are usually constructed as panels which contain multiple layer

För skapa ett transporteffektivt samhälle kommer kollektivtrafiken att spela en allt större roll i framtidens transportsystem. Om kollektivtrafiken utgör ett reellt alternativ till bilen kan den bidra till både sänkta utsläpp av växthusgaser och marknära partiklar och bidra till en mer effektiv användning av stadens yta. Speciellt i större städer ställs allt högre krav på en effektiv markanvändninIn order to create a more transport efficient society public transport has to play an even bigger role in the future transportation system. If public transport constitutes a realistic alternative to the car it can contribute to both the decrease of greenhouse gases and particles harmful for health, as well as contributing to a more efficient use of city spaces. Especially in larger cities ever hig

Interactions of a potential new PAMP with a startling receptor The presence of an innate immune system means we are able to quickly identify a threat and promptly fight it off without the need to ask for its identification card. This way, innate immunity dampens damage while providing time for the adaptive branch of the immune system to develop more specific cells and molecules against the intrud

Purpose: To study the effect of environmentally-relevant personal values (biospheric, altruistic, egoistic and hedonic) on the purchase intention of second-hand clothing (SHC). Methodology: This research is a quantitative study and follows a deductive research approach. The empirical data was obtained through convenience sampling by means of an online self-completion questionnaire. A total of 669

During the Salvadoran armed conflict (1980-1992) hundreds of children became separated from their families. The majority of the children were abducted by the armed forces of the government and still to this day the fate and whereabouts of most children are unknown. These children are the ''disappeared children of El Salvador''. In 1994, families of the disappeared children formed a

Denna uppsats beskriver lagstiftningen angående marknadsdefinition, framförallt av koncentrationer unionsdimension. Slutsatserna appliceras sen till en analys av plattvärmeväxlarindustrin (PHE) för att producera ett exempel på hur en sådan argumentation kan föras. Följaktligen presenteras bakgrundsinformation om plattvärmeväxlarindustrin i kapitel 2. Där presenteras även två separata teknologier (An essay describing the legal regime governing market definition, particularly concerning concentration cases having a Union dimension. The author high-lights difficulties under the current legal regime, consisting mainly of the EU Commission’s Relevant Market Notice and case law. It is concluded that though this gives some guidance, case-law as well as doctrine indicates that parties will be able

Pollenanalys och landskapsrekonstruktionsmodellering (modellen REVEALS) användes för att undersöka landskapsutvecklingen i Botorpsströmmens dräneringsområde i södra Sverige över de senaste 2000 åren. Studien ingår i två större projekt, The archaeology and ecology of collapse: social and agricultural change following the Black Death och Managing Multiple Stressors in the Baltic Sea. Resultaten frånThis thesis reports the results from a pollen analytical and quantitative landscape reconstruction (REVEALS model) study in the drainage area of the Botorpsströmmen River in southern Sweden as a part of the project The archaeology and ecology of collapse: social and agricultural change following the Black Death and the project Managing Multiple Stressors in the Baltic Sea. The focus of this study

Bakgrund: UNFPA är en underorganisation till Förenta Nationerna (FN). UNFPA fokuserar på populations- och utvecklingsstrategier och jämlikhet mellan könen. I mars 2005 bestämdes det i UNDP/UNFPAs styrelse att UNFPAs inköpsavdelning (PSB) skulle behöva förbättras om de skulle nå upp till sina mål. Flera studier har genomförts och resultatet av dessa visade bland annat på en rekommendation att införBackground: UNFPA is a subsidiary organ to the United Nations (UN) with a primary focus on population and development strategies, sexual and reproductive health and gender equality. In March 2005 the UNDP/UNFPA Executive Board had realized that for the UNFPA Procurement Services Branch (PSB) to operate in line with its mission, focus would need to be directed specifically towards improvements in t

The purpose of this Master’s Thesis is to investigate how the risk of onset of mould and decay will change due to a changing climate. The research encompasses the time period 1960-2099 in open fields near the cities Göteborg, Lund, Stockholm and Östersund for the emission scenarios A1B, A2 and B1. The risk of onset of mould and decay is studied on wood in outdoor climate as well as the risk of

Abstract Nutrient availability is one of the most important components of soil chemistry, and has Been shown to strongly impact ectomycorrhizal community composition and diversity. Phosphorous, magnesium, and potassium are important macronutrients for plant growth. Tree growth in the boreal and temperate forests is immensely dependent on their fungal mutualistic partners for their nutrition, parti

Abstract Toxic cyanobacterial blooms can form in both freshwater and marine environments, which could threaten the health of human beings and animals. The genera that are known for causing the scums in freshwater are Anabaena, Microcystis, Cylindrospermopsis and Planktothrix. In order to control lake water quality and minimize the potential health risk associated with the cyanobacterial blooms, th

Skogsskador och skogsdöd är ett växande problem i Europa. "Svarta Triangeln", som ligger i bergsområdet där Tysklands, Tjeckiens och Polens gränser möts, är en av de värst drabbade områdena. I dagsläget saknas kunskap för att kunna förklara skogsskadorna helt och hållet, men markförsurningen i området, som orsakas främst av förbränning av svavelrikt kol i de många kolkraftverken, är trolForest decline is an increasing problem in Europe. "The Black Triangle" area, situated in the mountainous region where the borders of Germany, the Czech Republic and Poland meet, is one of the worst damaged areas. The reasons for the forest dieback are not fully understood, but the soil acidification caused by the burning of sulphur rich coal in the region is considered a major cause. To

Den fotokemiska reaktorn vid Copenhagen Centre for Atmospheric Research, Köpenhamns universitet, har i denna studie används för att bestämma nya värden på hastighetskonstanterna k(i) för reaktionen: CH3Br + OH -> produkter (i) och k(ii) för reaktionen: CH3Br + O(1D) -> produkter. (ii) Radikalerna (O(1D) och OH) framställdes i studien genom att fotolysera ozonmolekyler med UV-C-ljus. OxidationsprocThe photochemical reactor in Copenhagen Centre for Atmospheric Research, University of Copenhagen, was used to determine new values for the rate constants k(i) and of the reaction: CH3Br + OH −> products (i) and k(ii) for the reaction: CH3Br + O(1D) −> products. (ii) The radicals (O(1D) and OH) were produced by photolysis of ozone molecules with UV-C light. The oxidation process was monitored by a

Populärvetenskaplig sammanfattning: De kvartära landskapsformerna i södra Sverige skapades till stor del under och i samband med avsmältningen av den senaste inlandesisen. Skåne blev isfritt för ca 13 000 år sedan med en isavsmältning i nordvästar Skåne mot NO. I samband med denna avsmältning skapades ett småkuperat moränlandskap, plana slätter, mindre kullar och åsar. Åsarna har bildats av materiThe purpose with this study is to identify and examine heterogeneities within the ground, which is important for the groundwater flow on a more local scale. Investigation of the geology within an area is normally done through observations in field, combined with studies of geological maps and documented drillings. Depending on drilling methods, varying results are obtained but often with a good re

Under vissa typer av operationer, till exempel då kärlen kring hjärtat opereras, använder sig läkare av en speciell typ av röntgenmaskin för att orientera sig inuti kroppen, så kallad genomlysning. För att undgå att öppna upp bröstkorgen på patienten går läkarna in med små verktyg i kärlen via ljumskarna och upp till hjärtat. Eftersom läkarna står så nära patienten träffar en del av strålningen de

Nynas Petroleum is one of the world´s largest producers of naphthenic specialty oils. They have refineries in several parts of the world and their largest production facility is situated in Nynäshamn, Sweden. They also have oil depots in all continents and their largest depot is located in Antwerp, Belgium. In the beginning of 2007 Nynas introduced a new type of transformer oils, called Nova grade

The reactor containment is one of the most important buildings at a nuclear power plant. In case of an accident the containment wall is the final protection against radioactive leakage to the surrounding environment. A reactor containment contains different types of concrete structures. They can be grouped as external structures constituting a barrier between the inside of the containment and the