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(Doctoral thesis / Doktoravhandling, 2014)
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 ...
(Master thesis / Masteroppgave, 2017)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
This open-access article is distributed under the terms of the Creative Commons Attribution Licence
(Doctoral thesis / Doktoravhandling, 2017)
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 ...
(Master thesis / Masteroppgave, 2013)
Phosphatidylinositol phosphates (PIPs) are phospholipids (PLs) that play fundamental roles as signaling molecules in numerous cellular processes. However, PIPs have shown to be perhaps some of the most challenging compounds ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1988)
© 1988 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1988)
This research was originally published in Zeitschrift für Kristallographie - New Crystal Structures. © 1988 De Gruyter
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Laboratory experiments were carried out to study Schiff-base condensation reactions between amines and formaldehyde that occur on inlet lines of emission monitoring instruments. Primary amines and formaldehyde were found ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1988)
© 1988 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1988)
© 1988 Acta Chemica Scandinavica
High sensitivity measurements of side-chain oxysterols using liquid chromatography mass spectrometry
(Doctoral thesis / Doktoravhandling, 2016)
(Master thesis / Masteroppgave, 2015)
(Master thesis / Masteroppgave, 2005)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The atmospheric chemistry of (CH3)3CNH2 (tert-butylamine, tBA) and (CH3)2(CH2OH)CNH2 (2-amino-2-methyl-1-propanol, AMP) has been studied by quantum chemistry methods and in photo-oxidation experiments in the EUPHORE chamber ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1992)
© 1992 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Satellite-based measurements of the column CH2O/NO2 ratio have previously been used to estimate near-surface ozone (O3) sensitivity (i.e., NOx or VOC limited), and the forthcoming launch of air quality-focused geostationary ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
KBaPO4 – recently reported to hydrate in steam at 80°C into a novel low-temperature protonic conductor – was synthesized by a solid state reaction and its electrical properties characterized by impedance spectroscopy. At ...
(Master thesis / Masteroppgave, 2018)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Transport is a key parameter in air quality research and plays a dominant role in the Colorado Northern Front Range Metropolitan Area (NFRMA), where terrain-induced flows and recirculation patterns can lead to vigorous ...
(Doctoral thesis / Doktoravhandling, 2009)
Nye funksjonelle materialer er essensielle komponenter i fremtidens energiteknologi. Gruppe for faststoff elektrokjemi ved Kjemisk Institutt, Universitetet i Oslo, har i en årrekke ledet an i forskning på keramiske materialer ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1987)
© 1987 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Water uptake by black carbon (BC)-containing aerosol was quantified in North American wildfire plumes of varying age (1 to ~40 h old) sampled during the SEAC4RS mission (2013). A Humidified Dual SP2 (HD-SP2) is used to ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
In 2015, the CO2 Technology Centre Mongstad (TCM DA), operated a test campaign using aqueous monoethanolamine (MEA) solvent at 30 wt%. The main objective was to demonstrate and document the performance of the TCM DA Amine ...
(Master thesis / Masteroppgave, 2020)
(Master thesis / Masteroppgave, 2018)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Objectives
In vivo evaluations of a gonadotropin releasing hormone-receptor single photon emission computed tomography radiotracer for non-invasive detection of gonadotropin releasing homone-receptors in ...
(Doctoral thesis / Doktoravhandling, 2010)
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 ...
(Master thesis / Hovedoppgave, 2004)
To monitor chemical changes in brain occurring during stress, several rats were put to death in both stressed and non-stressed situations. According to age it was desirable to see which effects stress constitutes in a rat ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2022)
Selective hydrogenation of CO2 into value-added hydrocarbons, particularly single products, is of great interest. However, this is a challenge because of the simultaneous occurrence of numerous competing elementary reactions. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Wildfires emit significant amounts of pollutants that degrade air quality. Plumes from three wildfires in the western U.S. were measured from aircraft during the Studies of Emissions and Atmospheric Composition, Clouds and ...
(Master thesis / Masteroppgave, 2018)
The increasing demand for faster and more efficient separations for biological samples have driven organic polymer-based monolithic columns back into the spotlight. The nature of the monolithic structure allows the use of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Land and atmospheric initial conditions of the Weather Research and Forecasting (WRF) model are often interpolated from a different model output. We perform case studies during NASA's SEAC4RS and DISCOVER-AQ Houston airborne ...
Vapour-solid interactions for SMSB and asymmetric amplification of pyrimidine and pyridine aldehydes
(Doctoral thesis / Doktoravhandling, 2022)
In the last 25 years, the addition of diisopropylzinc to pyrimidine carbaldehydes, known nowadays as the Soai reaction, has drawn the attention of many research groups, not only as it is to date the only chemical reaction ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Chemical models must correctly calculate the ozone formation rate, P(O3), to accurately predict ozone levels and to test mitigation strategies. However, air quality models can have large uncertainties in P(O3) calculations, ...
(Master thesis / Masteroppgave, 2017)
Denne oppgaven har hatt flere mål. Det første var å syntetisere AlPO-5 krystaller med varierende lengde samt undersøke effekten synteseparameterne konsentrasjon og aldring av syntese-gel kan ha på morfologi og størrelse. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1993)
© 1993 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1994)
The nuclear and magnetic structures of ( Y 1 − x Ca x ) Ba 2 Fe 3 O 8 + δ with x=0.05, 0.10, and 0.20 have been investigated by neutron-powder diffraction at room temperature. The compound crystallizes with the symmetry ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2004)
Two types of chemical-pressure effects on the Verwey-type transition in Ba Sm Fe 2 O 5 are studied, viz., ionic-size contractions at the Ba and Sm sites. Whereas the replacement of Sm by the smaller Eu and Gd atoms increases ...
(Master thesis / Masteroppgave, 2018)
Quinolones are a class of synthetic compounds that are used as antibacterial agents since their discovery in the 1960s. Their chemical synthesis has mostly been based on ring-closing reactions, for instance the Gould-Jacobs ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1992)
© 1992 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
A one pot catalytic system which involves Cu and an alkoxide co-catalyst has been used for methanol (MeOH) synthesis at low temperature. Up to about 92% syngas conversion per pass and more than 90% selectivity to MeOH (the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2004)
Pressure effects on the charge-ordering (CO) transition have been investigated for an oxygen-deficient double-perovskite cobalt oxide, BaYCo 2 O 5.0 , through resistivity measurements using a piston-cylinder-type clamp ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1991)
© 1991 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1994)
© 1994 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1992)
The nuclear and magnetic structures of YBa 2 Fe 3 O 8 have been investigated by powder neutron diffraction at room temperature. The nuclear structure of the compound has the symmetry of space group P4/mmm and lattice ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1991)
© 1991 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1990)
© 1990 Acta Chemica Scandinavica
(Master thesis / Masteroppgave, 2017)
The purpose of this work is to systematically assess the consequences of a potential radiological attack on processed food in a production facility. Infant milk formula (IMF) is specifically chosen as the case of investigation. ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2008)
Zeolites with the CHA topology have been synthesized with Si/Al ratios ranging from 15 to 133. ICP-AES analysis shows that the Si/Al ratio in the material is close to linearly related to the Si/Al ratio in the reaction ...
(Master thesis / Masteroppgave, 2017)
In this thesis, structural and dynamic features of thermoresponsive amphiphilic pentablock copolymers have been studied for their potential use for drug delivery application. The copolymers are amphiphilic poly(ethylene ...
(Doctoral thesis / Doktoravhandling, 2014)
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 ...
(Master thesis / Masteroppgave, 2006)
Hensikten med denne oppgaven var å bestemme kvikksølv i jord i et nedbørfelt.
Kvikksølv er en langtransportert luftforurensing som slippes ut fra antropogene så vel som naturlige kilder. Kvikksølv på elementær form blir ...
Syntese av Li-holdige filmer med ALCVD Restricted Access
(Master thesis / Masteroppgave, 2008)
(Master thesis / Masteroppgave, 2009)
This work presents the first reported thin film deposition of α-Bi2O3 by ALD (Atomic Layer Deposition). In addition, thin films of Co3O4 and CoO are for the first time reported deposited by ALD from the respective novel ...
(Master thesis / Masteroppgave, 2014)
The possibility for performing self-diffusion measurements by Carr-Purcell-Meiboom-Gill (CPMG) experiments using the inherent magnetic field inhomogeneities as a gradient field were tested for six sample molecules, using ...
(Master thesis / Masteroppgave, 2019)
Organoids and organ-on-a-chip (OoC) are human-induced pluripotent stem cell-derived miniaturized organs that recapitulate organ specific functions. They open up a plethora of opportunities to change the way we test drugs, ...
En studie av reaksjoner mellom pyrrol og halodiazoacetater Restricted Access
(Master thesis / Masteroppgave, 2017)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The catalytic mechanism of the cyclic amidohydrolase isatin hydrolase depends on a catalytically active manganese in the substrate-binding pocket. The Mn2+ ion is bound by a motif also present in other metal dependent ...
(Doctoral thesis / Doktoravhandling, 2014)
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 ...
(Doctoral thesis / Doktoravhandling, 2013)
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 ...
(Master thesis / Masteroppgave, 2013)
4-Substituted pyrido[1,2-e]purines as anticancer agents have the ability to intercalate with DNA molecules and display improved cytotoxic activities especially towards the resistant cancer cell lines (MCF7R). These compounds ...
(Master thesis / Masteroppgave, 2014)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
(Master thesis / Masteroppgave, 2014)
(Doctoral thesis / Doktoravhandling, 2012)
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 ...
(Doctoral thesis / Doktoravhandling, 2017)
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 ...
(Master thesis / Masteroppgave, 2007)
The work is based on possible protonic transport in LaNb3O9. This ABO3–type perovskite is known to have large voids in the lattice due to many inherent A-site metal vacancies. Acceptor-doping of this material may facilitate ...
(Master thesis / Masteroppgave, 2014)
Inntak av rusmidler endrer signaliseringssystemet av nevrotransmittere i hjernen. For å kunne vurdere effekten av forskjellige rusmidler er det derfor viktig å kunne bestemme nivåene av nevrotransmittere. Dette kan studeres ...
(Master thesis / Masteroppgave, 2015)
(Doctoral thesis / Doktoravhandling, 2015)
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 ...
(Master thesis / Masteroppgave, 2015)
Oxysterols in biological samples of limited size are present in low concentrations thus sensitive methods are advantageous. Derivatization of oxysterols prior to liquid chromatography (LC) mass spectrometry (MS) analysis ...
(Doctoral thesis / Doktoravhandling, 2020)
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 ...
(Doctoral thesis / Doktoravhandling, 2018)
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 ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
Mathematical models are investigated and suggested for the calculation of the elastic stiffness of polymer nanocomposites. Particular emphasis is placed on the effect on the elastic stiffness from agglomerates and the ...
(Master thesis / Masteroppgave, 2015)
Poly(styrene co-divinylbenzene) (PS-DVB) monolithic pre-columns of 50 μm inner diameter (ID) were developed for peptides and small molecules enrichment intended for use in automated miniaturized liquid chromatography-mass ...
(Doctoral thesis / Doktoravhandling, 2018)
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 ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
Neurons communicate via chemical signals called neurotransmitters (NTs). The numerous identified NTs can have very different physiochemical properties (solubility, charge, size etc.), so quantification of the various NT ...
(Master thesis / Masteroppgave, 2015)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
We used multiple sets of simulations both at the atomistic and coarse-grained level of resolution to investigate interaction and binding of α-tochoperol transfer protein (α-TTP) to phosphatidylinositol phosphate lipids ...
(Doctoral thesis / Doktoravhandling, 2009)
Nøyaktige simuleringer av kjemiske og biologiske prosesser på molekylært nivå har lenge vært uoppnålig for en rekke molekylære systemer, og har nå blitt mulig for mange av disse systemene gjennom ny metodeutvikling av ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
We present the first analytic implementation of cubic and quartic force constants at the level of Kohn–Sham density-functional theory. The implementation is based on an open-ended formalism for the evaluation of energy ...
(Master thesis / Masteroppgave, 2014)
The prevalence of gold catalysis in the synthetic community has increased dramatically within the last few years, and a wide range of N-heterocyclic carbene (NHC) gold(I) and, to a lesser extent, gold(III) complexes have ...
(Doctoral thesis / Doktoravhandling, 2017)
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 ...
(Master thesis / Masteroppgave, 2014)
Understanding Eutrophication
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
Two forms, α and β, are known for the racemic amino acid DL-methionine, C5H11NO2S. The phase transition between them, taking place around 326 K, is associated with sliding at the central interfaces of the hydrophobic ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2015)
The Ruddlesden–Popper (RP3) type oxides, La4Co3O10+δ and La4Ni3O10+δ, form a complete solid solution. Powder X-ray and neutron diffraction data show that La4(Co1−xNix)3O10+δ is isostructural to the monoclinic La4Co3O10+δ ...
(Master thesis / Masteroppgave, 2017)
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
A selective sampling procedure is applied to reduce the number of density functional theory calculations needed to find energetically favorable grain boundary structures. The procedure is based on a machine learning algorithm ...
(Doctoral thesis / Doktoravhandling, 2015)
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 ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
A novel open tubular nanoproteomic platform featuring accelerated on-line protein digestion and high-resolution nano liquid chromatography mass spectrometry (LC-MS) has been developed. The platform features very narrow ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
Iso-octyl chain-hydroxylated oxysterols were determined in attomoles per 10,000 cells concentrations in 10,000–80,000 cultured pancreatic adenocarcinoma cells, using a sensitive, highly automated nano-LC-ESI-MS-based method. ...
(Master thesis / Masteroppgave, 2014)
In this project four oxide systems have been studied with focus on synthesis and characterization; LaxSr4-xFeO10-δ(0.00 ≤ x ≤ 1.00), LaSr3Fe3-yMnyO10-δ (0.50 ≤ y ≤ 1.50), Sr4Fe3--z(CO3)zO10-4z-δ (0.00 ≤ z ≤ 1.00) and ...
(Doctoral thesis / Doktoravhandling, 2016)
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 ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
In the title compound, C9H9IO3, the molecules are close to planar [maximum deviation from benzene ring plane = 0.229 (5) Å for the methyl carboxylate C atom] with the methyl groups oriented away from each other. In the ...
(Master thesis / Masteroppgave, 2019)
Polymer micelles can be used in pharmaceuticals, detergents, cosmetics and have a potential for drug delivery systems. In many applications of polymeric micelles, there are also surfactant molecules present. Still, it is ...
Utforsking av potensielle forløparar for atomlagsavsetting av gull Restricted Access
(Master thesis / Masteroppgave, 2015)
Tynne filmar av eit materiale som kan leie straum godt, vere kjemisk inert og spegle varmestråling godt er, i alle fall med ALD, i dag ikkje mogleg. Arbeidet i denne oppgåva har som hovudtema å undersøke om ein serie med ...
(Master thesis / Masteroppgave, 2015)
Masteroppgaven er en undersøkelse som ble gjort i forbindelse med 65.000 kjemisett som ble laget for å markere 150 års jubileet for massevirkningsloven. Massevirkningsloven ble framsatt av to unge, lovende forskere Cato ...
(Master thesis / Masteroppgave, 2015)
Naturproduktet myxin er et potensielt nytt legemiddel mot akutt myelogen leukemi (AML). Myxin er praktisk talt uløselig i vann, og frem til idag er det ikke rapportert noen effektiv syntese av dette naturproduktet. En ...