Excessive input of anthropogenic reactive nitrogen (Nr) to forested ecosystems is associated with increased rates of denitrification and possible emission of the potentially harmful greenhouse gas nitrous oxide (N 2 ...

Drugs are important in curing diseases, and in the latter decade, research in the use of drugs to cure cancer has grown exponentially. There are thousands of drug candidates that go through screening processes each year, ...

Atomlagsdeponering, ALD, er en metode for deporing av tynne filmer som er svært jevne og uniforme. Metoden er godt egnet til deponering av belegg på overflater med komplisert geometri, og regnes derfor som et svært viktig ...

This master thesis was an integrated part of EUTROPIA. The specific aim of this present study is to enhance our understanding of the effects of reduction in acid rain on P-loss from agriculture soil due to reduced ...

Aims The main purpose of the study was to assess and characterize the exposure to dust and selected dust constituents in the Norwegian silicon carbide industry from 1913 to 2005 and construct a retrospective job-exposure ...

Clusters of water molecules mimic the transition from gas phase to bulk water. Cluster species of the desired sizes can be selected using mass spectrometric techniques and their size-dependent properties can thereby be ...

This work summarises the outcome of research performed at the Universities of Liverpool and Oslo during the course of an EU-Marie Curie EST fellowship and funded through the NOVELOX program under the 6th framework (FP6) ...

Background: Scientists and regulatory agencies strive to identify chemicals that may cause harmful effects to humans and the environment; however, prioritization is challenging because of the large number of chemicals ...

Oxides with layered perovskite-like K2NiF4-type structure have attracted significant attention since the discovery of high temperature superconductivity in La2CuO4+δ based systems. Further investigation of this type of ...

The present work focuses on the redox energetics of novel perovskite-type oxygen carriers for chemical looping reforming. The aim of this study is to increase the level of knowledge on the redox characteristics of materials ...

The selection of basic variables in current-density-functional theory and formal properties of the resulting formulations are critically examined. Focus is placed on the extent to which the Hohenberg-Kohn theorem, ...

Recently, we have implemented a scheme for the calculation of the adiabatic connection linking the Kohn-Sham system to the physical, interacting system. This scheme uses a generalized Lieb functional, in which the ...

Various inorganic membranes have demonstrated good capability to separate hydrogen from other gases at elevated temperatures. Hydrogen-permeable, dense, mixed proton-electron conducting ceramic oxides offer superior ...

Målet med prosjektet var å få mer kunnskap og forståelse om de fysikalske og kjemiske egenskapene til én-dimensjonale kjeder av sinkoksid som en tilnærming til sinkoksidnanotråder. Hovedfokuset har vært å forstå de ...

A robust on-line automatic filtration and filter-flush solid phase extraction liquid chromatography tandem mass spectrometry (AFFL-SPE-LC- MS/MS) method for determination of 25hydroxycholesterol (25HC), 24S hydroxycholesterol ...

In order to understand the single crystal X-ray structures of a series of synthetic peptides mimicking the Pro138-Gly144 segment of human AQP4 [1] , we have crystallized and determined the X-ray structures of some of these ...

Correlations aimed at linking the hydration thermodynamics to materials parameters can be of vital importance for further development of proton conducting oxides. However, the currently proposed correlations are to a large ...

Abstract c-Myb is a gene-specific transcription factor involved in the regulation of many target genes. As with other oncoproteins, an atypical function of the c-Myb may lead to uncontrolled cell growth and division that ...

The present thesis is focused on the methodology of lithiation-halogenation of 6-chloro-9-substituted purines and 9-substituted adenines via 8-purinyl anions. As an extension of this work, lithiation-halogenation of ...

The Hedgehog signaling pathway, first discovered in the fruit fly Drosophila melanogaster, was later found to be largely conserved in vertebrates and is crucial within diverse aspects of animal development, as well as for ...

Det antidepressive legemidlet venlafaxin selges i dag som et racemat på tross av at dens to enantiomerer har ulik farmakologisk virkning. Asymmetriske synteser av venlafaxin finnes i litteraturen, men ingen av dem egner ...

PET is an effective tool for imaging of biochemical processes within patients and is instrumental for quantitative imaging of the availability of opioid receptors in the central nervous system. The opioid receptor system ...

Siden tusenårsskiftet har reaksjoner katalysert av ikke-metallholdige organiske molekyler (organokatalyse) økt i popularitet. Organokatalysatorer opererer under milde reaksjons betingelser og via flere aktiviseringsmoder. ...

I et prosjekt ved Institutt for Energiteknikk (IFE) skulle mekanismer studeres ved bruk av surfaktanter i kombinasjon med superkritisk CO2 for økt utvinning av restolje fra eldre oljereservoarer. Surfaktant sammen med CO2 ...

Gjennom kunnskapsløftet av 2006 ble den grunnleggende ferdigheten Å kunne bruke digitale verktøy innført. Dette var et resultat av stadige teknologiske fremskritt, som også gjør det naturlig å innvie teknologien i ...

Passive air samplers (PAS) were deployed at 86 European background sites during summer 2006 in order (i) to gain further insight into spatial patterns of persistent organic pollutants (POPs) in European background air and, ...

This thesis shows that the indoor environment can significantly contribute to exposure to a type of environmental pollutants called perfluorinated compounds (PFC), although for most of us the highest intake comes from food, ...

During the last decade, there has been an increased concern of impact to human health from exposure to lubricants and organophosphates (OPs) for workers in the aviation industry. In spite of this concern, neither methods ...

The aim of this work was to investigate the potential of model materials designed by atomic layer deposition toward applications in catalysis research. Molybdenum based catalysts promoted with cobalt were selected as target ...

Double eigenvalues are not generic for matrices without any particular structure. A matrix depending linearly on a scalar parameter, Α + μΒ, will, however, generically have double eigenvalues for some values of the parameter ...

Background: Reproductive behaviors (such as age of childbearing, parity, and breastfeeding prevalence) have changed over the same historical time period as PCB emissions and may produce intergenerational differences in ...

Eight deoxynucleoside triphosphates (dNTPs) and nucleoside triphosphates (NTPs): ATP, CTP, GTP, UTP, dATP, dCTP, dGTP and dTTP, were separated using two 15 cm, 2.1. mm I.D. ZIC-pHILIC columns coupled in series, using simple ...

I denne oppgaven er to ulike topologier studert, MFI og *BEA, hvor fire ulike materialer er benyttet, H-ZSM-5 I, H-beta I, H-ZSM-5 II og H-beta II. H-beta I og H-ZMS-5 I har omtrent samme tetthet av sure seter, Si/Al-forhold~130. ...

Abstract Groundwater resources in the lower shire region in Malawi, Southern Africa, show high salinity. The sources of salinity and the mechanism of groundwater salinization in this inland region are not known. The main ...

Dette arbeidet har omhandlet reaksjon mellom HCN og OH under atmosfæriske forhold. HCN er identifisert som et produkt hovedsaklig fra forbrenning av biomasse, men dets rolle nitrogenkretsløpet er ennå ikke bestemt. ...

TiNb2O7 er tidligere vist å være en blandet elektron- og protonleder. Mange sider av defektstrukturen er ukjent for TiNb2O7, og en teoretisk og eksperimentell studie av denne ville kunne bidra til økt forståelse av ...

In this study, the potential of using off-line or online two dimensional liquid chromatography (2D LC) separations of plant extracts was examined. A new approach to high speed, online isocratic elution comprehensive 2D LC ...

Several 6-aryl-9-benzylpurines have been shown to be selective antagonists for various adenosine receptors including A1, A2A, A2B and A3. The structures of the most active compounds resemble those screened in the Mycobacterium ...

Sammendrag I dette prosjektet er reaksjonen mellom maursyre og OH og reaksjonen mellom maursyre og Cl, som er de viktigste nedbrytningsreaksjonene i atmosfæren blitt studert nærmere både eksperimentelt og ved kvantekjemiske ...

This study was performed in the Vansjø-Hobøl catchment in SE Norway, as part of research related to the transport of phosphorus to the eutrophic lake Vansjø, the largest lake in the catchment. This study is part of The ...

Wanshan er et lite distrikt i Guizhou-provinsen i Sørvest-Kina som i årrekker var den viktigste Kviksølvprodusenten i Kina frem til gruvene ble stengt i 2001. Gruvedriften har etterlatt seg store slagghauger og gruvetipper ...

Oppgaven presenterer en syntese av α-bromodiazoacetamider, laget fra sykliske, symmetriske aminer. De bromerte α-diazoacetamidene utgjør et nytt tilskudd til α-diazoacetamidene som er kjent i litteraturen. α-bromodiazoacetamidene ...

Abstract The uncharged temperature responsive polymer MHEC-g-PNIPAAM (modified hydroxyethylcellulose graft poly(N-isopropylacrylamide)), and its anionic analogue were characterized by the aid of dynamic light scattering ...

The methanol-to-hydrocarbons (MTH) reaction is a flexible alternative step in the upgrading of natural gas, coal or biomass. By tuning the catalyst and process conditions, methanol can be converted into a variety of ...

The Characterization of anti body-antigen interactions provider Crucial information on the structural basis of the specificity of binding of two antibodies Their target anti-gens. In this project, an attempt was made two ...

Syklopropaner kan delta i syntetisk nyttige ringåpningsreaksjoner. Ved fremstillingen av syklopropaner kan flere stereogene sentre dannes fra relativt enkle forbindelser. Dette gjør syklopropanene til viktige syntetiske ...

Catalysis by platinum Pt and other noble metals is involved in industrial processes that convert petroleum and natural gas resources to useful fuels and other value-added chemicals. The cleavage of carbon-hydrogen bonds ...

Oxides with high ionic conductivity represent a class of functional materials with characteristics suitable for electrochemical energy converters, such as fuel cells and batteries. This work addresses effects from changes ...