Materials with pores of controlled size and connectivity are of fundamental importance in chemical industry and research. The pores in microporous materials, which have the same dimensions as individual molecules, can be ...

Roughly, three-quarters of the energy produced in the world ends up as waste heat. However, the waste heat can be harvested, stored and reused using specially built heat storage reactors for high- or low-temperature ...

The capture and storage of solar energy in chemical form by a photoelectrochemical (PEC) cell is an elegant and simple solution to the increasing energy demands and needs for chemicals and fuels from non-fossil sources. ...

This dissertation aims to study methods of speciation and extraction of metals in industrial solutions. the metals studied has low concentration relative to the main product in the industrial solution. The result is species ...

Carbon capture and storage is suggested as one of the solutions to reduce CO2 emissions. Material choice is an important part for the total cost of the transport system for CO2. The present work comprises investigations ...

The work described in this thesis focused on developing a method to synthesise a variety of organic molecules with imidazophenanthridine or pyrrolophenanthridine ring structures. These are complex structures with previously ...

Most available literature on molecular systems in magnetic fields are limited to special cases: Either small or highly symmetric species of specific orientation to the field, or fields of low intensity - or combinations ...

This thesis investigated the connection between two major global concerns: the infamous cyanobacteria (“blue-green algae”), and the endocrine disruptors, compounds able to interfere with the hormonal system. Do cyanobacteria ...

Self-assembly represents an easy way to create large quantities of various kinds of nanoparticles. Small molecules are “programmed” to self-organize into nanostructures, without external manipulation. These nanostructures ...

This dissertation aims at advancing the capability of hybrid particle-field simulations of representing various physical phenomena relevant to biological systems. While hybrid particle-field simulations are computationally ...

The work described in this thesis has focused on total synthesis directed towards two different classes of secondary metabolites isolated from the Agelas sponge, ageloxime D and analogs, and agelasine F. Ageloximes were ...

The interest in organogold chemistry has increased rapidly during the last 20-30 years, and nowadays there are numerous research group across the world working with gold and its rich chemistry. Au(I) complexes have been ...

We have developed the first atomic layer deposition (ALD) processes for thin films of iron in a +2 oxidation state (Fe2+), as well as nickel titanate (NiTiO3). These materials are important for the understanding and ...

This thesis focus on the research of the new and scarcely explored material class oxyhydrides, where the anionic lattice consists of both oxide and hydride anions. Selected oxyhydrides described by the formula La2‑xNdxLiHO3 ...

Two of the biggest challenges for the world today are the global warming, partly resulting from the increased CO2 emissions, and the need of new energy sources due to an increasing world population and the necessary ...

This thesis has got two parts within the common theme of Diels-Alder reactions. One part starts with the group of natural products called asmarines. These compounds, which were found in the red sea sponges, were believed ...

Magnetic properties are an important application area in quantum chemistry. However, for the most widely used method in electronic structure calculations, density-functional theory, it is still not understood how to ...

Positron emission tomography (PET) is one of the most sensitive in vivo imaging techniques available to clinicians and researchers. It helps in understanding the biological interactions and mechanism of various diseases ...

This thesis contributed to the field of human exposure to environmental pollutants called poly- and perfluoroalkyl substances (PFASs). Daily intakes of PFASs via ingestion, inhalation, and dermal absorption were estimated ...

Lithium-ion batteries (LIBs) are the power source of choice for portable devices and electric vehicles. The technology is increasingly used for large-scale stationary energy storage to balance supply and demand of intermittent ...

The aim of the study was to advance the chemistry related to aminophosphonic acids. After reviewing the available literature, our attention was drawn towards the preparation of chiral ∝-aminophosphonic acids and derivatives ...

Mye av dagens høyteknologiske utstyr og apparater ville sannsynligvis ikke sett dagens lys hvis ikke det hadde vært for materialteknologiens stadige fremskritt. I jakten på stadige forbedringer av slik teknologi må man ...

The relatively short lifetime of unidimensional 10-ring zeolite catalysts in the methanol to hydrocarbons reaction is improved by a factor of ~20 by introducing mesoporosity in the zeolites via sequential desilication and ...

This thesis summarizes atomic layer deposition (ALD) of thin films of a set of alkali metal niobates and tantalates with technologically important physical properties. ALD of LiNbO3 is presented first, where we showcase ...

Cereal crops (such as oats, wheat, barley, rye, corn etc.) are often contaminated with toxigenic fungi during field or storage conditions, which can consequently lead to food and feed contamination with mycotoxins and to ...

Eutrophication is globally a growing concern, as freshwater bodies are becoming more and more exposed to nutrient pollution. Excessive P loading is often the main cause of eutrophication, as P is often the limiting nutrient ...

This dissertation is submitted in partial fulfilment of the requirements for the degree of Philosophiae Doctor (PhD) at Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Oslo, Norway. The ...

Luminescent materials have become an integral part of our society, being for instance used to light up our buildings and electronic displays. The process of absorbing ultra-violet light and converting it to visible or near ...

This PhD thesis deeply analyzes the mechanistic and kinetic behavior of methanol and dimethyl ether (DME) in the industrially relevant Methanol-To-Hydrocarbons (MTH) reaction, which employs zeolitic materials as catalysts. ...

Around three decades ago, environmental chemists developed a new technique to identify pollutants present in complex environmental mixtures: effect-directed analysis (EDA). EDA uses chemical tools (for the extraction, ...

Resistance to chemotherapy and/or radiotherapy limits the effectiveness of cancer treatment. One factor that can contribute to resistance is the process of DNA repair. Among the different DNA repair pathways, the base ...

Det er den organiske formen av kvikksølv, metylkvikksølv, som står i sentrum for kvikksølvforskningen. Metylkvikksølv anrikes opp gjennom næringskjedene, så selv om vannet ikke inneholder mye kvikksølv kan fisk allikevel ...

Energy demand and emissions of greenhouse gases are increasing. The use of renewable energy such as solar energy, hydro power and wind power can help mitigate further emissions. Transparent conducting oxides (TCO’s) are ...

In this thesis we explore several physics scenarios based on the Minimal Supersymmetric Standard Model (MSSM) and its extension in terms of Rparity violation. We derive predictions for, and analyse results from, the ongoing ...

Improvements in performance of lithium ion batteries (LIB) depend on further developments of the electroactive materials, specially the cathode. Many different classes of materials have been investigated as possible cathode ...

Gangliosides are sialic acid-containing glycosphingolipids expressed on all vertebrate cells. They are primarily positioned in the plasma membrane, with the ceramide part anchored in the membrane and the glycan part exposed ...

This thesis presents experimental work on thin films of different compounds containing lithium, sodium or potassium has been synthesized by atomic layer deposition (ALD). The overall motivation for this work has been to ...

Diazo compounds have great synthetic potential as versatile reagents in organic synthesis. The formation of Rh(II) carbenoids from diazo compounds allows the selective formation of C-C and C-heteroatom bonds and the ...

There are many different solar cell technologies which aim at producing electricity from sunlight cheap and/or efficient. As the efficiency of silicon cells is slowly but continuously climbing, price plummeting, and ...

The interest in organogold compounds continues to grow. Gold(III) complexes are being investigated as catalysts for organic transformations as well as tested as potential anti-cancer drugs. Despite this wide-ranging interest ...

New methods for Born-Oppenheimer molecular dynamics simulations have been developed and used to study protonated water clusters and mechanochemistry of alkanes. The novel algorithms are an efficient coordinate transformation ...

Industrial development, increase in population and need for improving the living standards of people around the globe have resulted into high demand of energy worldwide. The renewable energy sources seem to be unreliable ...

The overall aim of this work is to contribute to a better understanding of the reactions taking place at the oxygen electrode in proton ceramic fuel cells (PCFCs) and, moreover, to develop new materials with improved ...

Facing the increasing environmental degradation locally and globally, the Chinese government sets mandatory goals of 10% reduction of SO2 emission and 20% reduction of energy intensity in its 11th Five-Year Plan period ...

The present thesis is focused on the design of synthetic routes towards asmarine analogues. Asmarines are marine natural products isolated from the sponges Raspalia sp. The asmarine molecule contains a seven-membered ring ...

The basis of supramolecular chemistry is a detailed knowledge of fundamental molecular properties and non-covalent interactions, which is dedicated to the preparation of novel structures as functional materials. Here we ...

The thesis investigates the fundamental properties, i.e. ionic transport and hydration, of materials that can be used in sustainable energy production. Every production is confronted with new challenges and new opportunities. ...

The main aim of this Ph.D. project was to study, understand and improve the current knowledge on the Cu-based catalytic reaction in the conversion of ethylene-to-1,2-dichloroethane (oxychlorination), a crucial intermediate ...

Fuel cells are expected to serve as a contribution to meet the demand for clean energy. High temperature fuel cells such as solid oxide fuel cells (SOFC) and proton ceramic fuel cells (PCFC) are developed for use as ...

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) ...

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 ...

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 ...

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 ...