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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Structural studies show that enzymes have a limited number of unique folds, although structurally related enzymes have evolved to perform a large variety of functions. In this review, we have focused on enzymes containing ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Local approximations facilitate the application of post-Hartree–Fock methods in the condensed phase, but simultaneously introduce errors leading to discontinuous potential-energy surfaces. In this work, we explore how these ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
Lipid A is one of the three components of bacterial lipopolysaccharides constituting the outer membrane of Gram-negative bacteria, and is recognized to have an important biological role in the inflammatory response of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Design and development of novel inorganic nanocarriers for encapsulation of natural antimicrobial substances for food packaging applications have received great interest during the last years. Natural nanoclays are the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The OH-initiated photo-oxidation of piperazine and 1-nitropiperazine as well as the photolysis of 1-nitrosopiperazine were investigated in a large atmospheric simulation chamber. The rate coefficient for the reaction of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Abstract: Hydrogen produced from water using photocatalysts driven by sunlight is a sustainable way to overcome the intermittency issues of solar power and provide a green alternative to fossil fuels. TiO2 has been used ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Progress in the field of Na‐based batteries strongly relies on the development of new advanced materials. However, one of the main challenges of implementing new electrode materials is the understanding of their mechanisms ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The improvement of indoor environments is of great importance as it can significantly improve human health, comfort and productivity. Herein, different forms of TiO2 nanorods were used as the photocatalyst for generation ...
(Doctoral thesis / Doktoravhandling, 2021)
Quantum Chemistry constitutes an extensive framework for accurately simulating the electronic wavefunction of atoms and molecules. The same framework may in principle be applied to the domain of periodic structures such ...
(Master thesis / Masteroppgave, 2021)
Denne masteroppgaven har fokus på syntese og karakterisering av hydridoksidene med sammensetningen Ln2LiHO3 (Ln = La, Nd), Sr substituert La2LiHO3, LaSr3Fe3HxOy og HoHO. Motivasjonen for valg av de nevnte hydridoksidsystemene ...
(Master thesis / Masteroppgave, 2021)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The interplay between fluctuations of the local structure and magnetic interactions is of great importance for phenomena like superconductivity, colossal magnetoresistance, and frustrated magnetism. Such local distortions ...
(Master thesis / Masteroppgave, 2021)
Denne studien presenterer utvikling og testing av to undervisningsverktøy for leseopplæring i naturfag: rollekort og samtalekart. Disse verktøyene er ment å skulle støtte elever i å engasjere seg med ulike tekster i ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Two high-mass polar compounds were observed in aqueous side-fractions from the purification of okadaic acid (1) and dinophysistoxin-2 (2) from Dinophysis blooms in Spain and Norway. These were isolated and shown to be ...
(Master thesis / Masteroppgave, 2021)
Denne studien presenterer en sammenligning av kompetansemål om helse, miljø og sikkerhet, og bærekraftige produksjons- og deponeringsprosesser i nordiske læreplaner i fagene naturfag og kjemi. Det nye norske læreplanverket, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Fortum Oslo Varme AS (FOV) decided (in July 2018) to build a 1:350 scale pilot plant to demonstrate that the selected Shell’s CANSOLV capture technology using solvent DC-103 is suitable for cleaning CO₂ from the exhaust ...
(Master thesis / Masteroppgave, 2021)
The main topic of this thesis is the surface kinetics of BaGdxLa1-xCo2O6-δ (BGLC), a mixed ionic electronic conducting double perovskite, with operation temperatures between 400-700 °C that shows potential for use as an ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
We present a fully analytic approach to calculate infrared (IR) and Raman spectra of molecules embedded in complex molecular environments modeled using the fragment-based polarizable embedding (PE) model. We provide the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Although various alloy systems have been explored for additive manufacturing (AM) during the past decade, introducing a new alloy remains a challenging task. Most of the materials require iterative builds, for investigating ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The structural challenges faced by eukaryotic cells through the cell cycle are key for understanding cell viability and proliferation. We tested the hypothesis that the biosynthesis of structural lipids is linked to the ...
(Doctoral thesis / Doktoravhandling, 2021)
Thermoelectric materials are able to directly convert heat into electricity, which makes them predestined candidates for the recuperation of waste heat and contributing to a more efficient energy economy. They hold enormous ...
(Master thesis / Masteroppgave, 2021)
(Master thesis / Masteroppgave, 2021)
(Master thesis / Masteroppgave, 2021)
In this work we have investigated the possibility for solid state precipitation of spinel crystals in zinc oxide by separate addition of three different dopant elements. These dopant elements were iron, antimony and vanadium, ...
(Master thesis / Masteroppgave, 2021)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Dried blood spot (DBS) metabolite analysis is a central tool for the clinic, e.g., newborn screening. Instead of applying multiple analytical methods, a single liquid chromatography-mass spectrometry (LC–MS) method was ...
(Master thesis / Masteroppgave, 2021)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Following successful abatement of external nutrient sources, one must shift the focus to the role of phosphorus (P) release from sediment. This enables us to better assess the causes for sustained eutrophication in freshwater ...
(Master thesis / Masteroppgave, 2021)
(Master thesis / Masteroppgave, 2021)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The oxidation of ammonia is a key reaction for the production of artificial fertilizers and for environmental protection. Depending on the area of application, the catalytic reaction needs to be tuned toward the production ...
(Master thesis / Masteroppgave, 2021)
(Master thesis / Masteroppgave, 2021)
Proton ceramic fuel cells based on an yttrium-doped barium zirconate electrolyte might pose as a viable option for future hydrogen applications. High resistances in the electrolyte however hampers the performance of the ...
(Master thesis / Masteroppgave, 2021)
Antibiotic resistance has become an increasingly pressing issue in recent times. With a dwindling discovery rate of new antibacterials, gram-negative bacteria threaten to return humanity to the pre-antibiotic era where ...
(Doctoral thesis / Doktoravhandling, 2021)
By enabling formation and development of primitive cells, also known as protocells, solid surfaces might have played an important role in the emergence of life on Earth.
Current theories on how life originated from ...
(Master thesis / Masteroppgave, 2021)
Høsten 2021 og 2022 innføres nye læreplaner i fagene kjem 1 og kjemi 2 i videregående skole. Dette medfører implementering av nye temaer i læreplanene for fag samt fokus på andre arbeidsmåter og verdier i den overordnede ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Li-ion capacitors (LICs) are designed to achieve high power and energy densities using a carbon-based material as a positive electrode coupled with a negative electrode often adopted from Li-ion batteries. However, such ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Mimicking natural photosynthesis by direct photoelectrochemical (PEC) reduction of CO2 to chemicals and fuels requires complex cell assemblies with limitations in selectivity, efficiency, cost, and stability. Here, we ...
(Master thesis / Masteroppgave, 2021)
Indole-based hydroaxmic acids have previously been shown to selectively inhibit bacterial peptide deformylase (PDF), a metalloenzyme that cleaves off formyl the N-terminal end of newly formed proteins. Amino acid formylation ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Proton conducting oxide electrolytes find potential application in proton ceramic fuel cells and electrolyzers operating at intermediate temperatures, e.g. 400–600 °C. However, state-of-the-art proton conducting ceramics ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
The flux of terrestrial dissolved inorganic phosphorous (DIP, i.e. PO43−) via rivers into coastal seas is usually calculated by simply multiplying its concentration with the corresponding water flow at the river mouth. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
B-site cation inter-diffusion in the ABO3 perovskite yttrium-substituted barium zirconate (BZY) was studied at temperatures from 1100 to 1460 °C under reducing and oxidising conditions. The experiments followed two different ...
(Master thesis / Masteroppgave, 2021)
Development of a novel method for synthesis of β-lactam Restricted Access
(Master thesis / Masteroppgave, 2021)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Metal–organic frameworks (MOFs) have been heavily researched due to their porous and crystalline nature. Because of this, MOFs are enticing materials for fields as diverse as gas separation and purification, water harvesting, ...
(Doctoral thesis / Doktoravhandling, 2021)
The selective oligomerization of ethene to linear alpha olefins is an attractive method for production of a wide range of key intermediates for the chemical industry. Current industrial processes are predominantly utilizing ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
National long-term monitoring programs on persistent organic pollutants (POPs) in background air have traditionally relied on active air sampling techniques. Due to limited spatial coverage of active air samplers, questions ...
(Master thesis / Masteroppgave, 2021)
I denne oppgaven blir det utviklet et kontekstbasert undervisningsopplegg om grønn kjemi og organisk oksidasjon. Opplegget går ut på at elever skal gjennomføre en av tre forskjellige metoder for å oksidere benzaldehyd til ...
(Doctoral thesis / Doktoravhandling, 2021)
Catalytic hydrogenation of amides could be an excellent option for the green atom efficient formation of alcohols and amines. However, the low reactivity of amides has been a big drawback for this reaction. In the last ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
2D materials exhibiting alternating ferro- and non-ferromagnetic layers are highly sought due to their potential for applications. In this work, we demonstrate, through the use of robust methodology, the existence of ...
(Doctoral thesis / Doktoravhandling, 2021)
Copper salts are often used to activate the C-H bond of alkynes and to catalyze the cycloaddition of alkynes to azides (CuAAC reaction). While cheap and easily accessible, the copper salts generate many different active ...
(Doctoral thesis / Doktoravhandling, 2021)
How primitive cells emerged and developed on the early Earth remain an unsolved question. In contrast to the hypotheses that the first living cells evolved from a single ancestor, their development as colonies would provide ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
We report on the B-site substitution of Pt for Ni in the system LaNi1–xPtxO3. The system can only be synthesized between x ≤ 0.50, with LaNiO3 (x = 0.00) and the stoichiometric double perovskite La2NiPtO6 (x = 0.50) ...
(Master thesis / Masteroppgave, 2021)
Fire studenters opplevelser av bachelorprogrammet i kjemi og biokjemi Restricted Access
(Master thesis / Masteroppgave, 2021)
Dette prosjektet er et masterprosjekt ved seksjon for kjemididaktikk hos Skolelaboratoriet i kjemi ved Kjemisk institutt, Universitetet i Oslo. Studien tar for seg eventuelle årsaker til frafall på bachelorprogrammet i ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
We have investigated the pressure (P) effect on structural (up to 10 GPa), transport [R(T): up to 10 GPa], and magnetic [(M(T): up to 1 GPa)] properties and analyzed the flux pinning mechanism of the Fe0.99Mn0.01Se0.5Te0.5 ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
A double-cell perovskite PrBaFe2O5+w is synthesized and its equilibrium nonstoichiometry investigated after quenching from flowing gas of varied oxygen partial pressures and temperatures. Whereas w = 0 is reached at 856 ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
We here demonstrate a new route for deposition of phosphorous based materials by atomic layer deposition (ALD) using the phosphites Me3PO3 or Et3PO3 as precursors. These contain phosphorous in the oxidation state (III) and ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Due to its small size, large specific surface area and hydrophobicity, microplastics, and the adsorbed contaminants may together cause potential negative effects on ecosystems and human beings. In this study, kinetics and ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
As a potent nonviral system for biomolecular delivery to neurons via their axons, we have studied molecular characteristics of lysinated fluorescent dextran nanoconjugates with degrees of conjugation of 0.54–15.2 mol lysine ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Abstract Earthquakes at lower crustal depths are common during continental collision. However, the coseismic weakening mechanisms required to propagate an earthquake at high pressures are poorly understood. Transient ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The use of Pt–Rh catalysts is central in a number of industrial processes, and to explain their performance it is essential to have a solid understanding of their nanoscopic surface structure. Here we use scanning tunneling ...
(Master thesis / Masteroppgave, 2021)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Liver organoids are emerging tools for precision drug development and toxicity screening. We demonstrate that electromembrane extraction (EME) based on electrophoresis across an oil membrane is suited for segregating ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
In modern Li-based batteries, alloying anode materials have the potential to drastically improve the volumetric and specific energy storage capacity. For the past decade silicon has been viewed as a “Holy Grail” among these ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The rheological changes that occur during the chemical gelation of semidilute solutions of chitosan in the presence of the low-toxicity agent glyceraldehyde (GCA) are presented and discussed in detail. The entanglement ...
(Master thesis / Masteroppgave, 2021)
Dissolved natural organic matter (DNOM) is omnipresent in natural freshwaters. It is the main source of food for aquatic heterotrophic respiration, though little is known of the bioavailability of the DNOM when flowing ...
(Master thesis / Masteroppgave, 2021)
(Master thesis / Masteroppgave, 2021)
(Master thesis / Masteroppgave, 2021)
Inland surface waters are an important part of the global carbon cycle through sedimentation, atmospheric emissions, dissolution of atmospheric carbon dioxide (CO2) and the transport of dissolved carbon in runoff. The ...
(Master thesis / Masteroppgave, 2021)
Protocells are self-organized primitive compartments which are thought to be precursors to first living cells at the origin of life. Several different types of model protocell structures have been proposed; among them, the ...
(Master thesis / Masteroppgave, 2021)
(Master thesis / Masteroppgave, 2021)
(Master thesis / Masteroppgave, 2021)
(Master thesis / Masteroppgave, 2021)
Ammonia Oxidation Based Reactions and their Catalysts Restricted Access
(Master thesis / Masteroppgave, 2021)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Some organic contaminants, including the persistent organic pollutants (POPs), have achieved global distribution through long range atmospheric transport (LRAT). Regulatory efforts, monitoring programs and modelling studies ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
We report on the structural, magnetic and electronic properties of Rh substituted LaNiO3, LaNi1–xRhxO3 (0 ≤ x ≤ 1). Increased Rh contents are associated with increased structural distortion, and we observe a phase ...
(Master thesis / Masteroppgave, 2021)
Point defects in semiconductors have emerged as viable candidates for quantumbased technologies such as quantum computing, communication, and sensing. The present work is related to quantum compatible point defects in ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Low molecular weight (low Mr) thioredoxin reductases (TrxRs) are homodimeric NADPH-dependent dithiol flavoenzymes that reduce thioredoxins (Trxs) or Trx-like proteins involved in the activation networks of enzymes, such ...
Development of β-Ga2O3 as a novel material for power electronics, dopant diffusion and defect interaction Restricted Access
(Master thesis / Masteroppgave, 2021)
(Master thesis / Masteroppgave, 2021)
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
While occupational inhalation exposure to gaseous elemental mercury (GEM) has decreased in many workplaces as mercury is being removed from most products and processes, it continues to be a concern for those engaged in ...
(Journal article / Tidsskriftartikkel / PublishedVersion, 2021)
This work introduces a strategy for organoid analysis - direct Electromembrane Extraction based Mass Spectrometry (dEME-MS) – for coupling liver organoids with mass spectrometry (MS). dEME-MS comprises electrophoresis of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Lipid nanodiscs formed by mixtures of styrene maleic acid (SMA) copolymers and lipid membranes are important tools for studying membrane proteins in many biotechnological applications. However, molecular interactions leading ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Abstract
Tumor-associated glycolipids such as NeuGc GM3 are auspicious molecular targets in antineoplastic therapies and vaccine strategies. 14F7 is a monoclonal IgG1 with high clinical potential in cancer ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Abstract The deaminative hydrogenation of amides is one of the most convenient pathways for the synthesis of amines and alcohols. The ideal source of reducing equivalents for this reaction is molecular hydrogen, though, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The self-diffusion coefficients of palladium in PdHx (x = 0, 0.25, 0.5, 0.75, 1) were studied using density functional theory to obtain the required thermodynamic and kinetic parameters. The enthalpy of migration decreased ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
A galvanic deposition method for the in-situ formation of Pt nanoparticles (NPs) on top and inner surfaces of high-aspect-ratio black TiO2-nanotube electrodes (bTNTs) for true utilization of their total surface area has ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Abstract The recently discovered lytic polysaccharide monooxygenases (LPMOs), which cleave polysaccharides by oxidation, have been associated with bacterial virulence, but supporting functional data is scarce. Here we show ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
For the successful implementation of catalysts in industrial processes, three overall goals are optimized: activity, selectivity, and stability. This review will address the role of chemical descriptors in aiding and guiding ...
Synthesis and Characterization of La4BaCu5-xCoxOα as a Positrode for Proton Ceramic Electrochemical Cells - An Experimental and First Principles Investigation Restricted Access
(Master thesis / Masteroppgave, 2021)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
In the present paper, we demonstrate how modifications of the microstructure and the chemical composition can influence the electrochemical behavior of cathodes for molten carbonate fuel cells (MCFCs). Based on our experience, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Defect-engineering of TiO2 can have a major impact on its photocatalytic properties for the degradation of persisting and non-biodegradable pollutants. Herein, a series of intrinsic and extrinsic defects are induced by ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
We here report on photoactive organic–inorganic hybrid thin films prepared by the molecular layer deposition (MLD) method. The new series of hybrid films deposited using 2,6-naphthalenedicarboxylic acid (2,6-NDC) and either ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Down conversion of solar UV and blue light is one of the few ways of surpassing the Shockley-Queisser limit of solar cells. One of the most efficient down conversion systems is the Pr3+ - Yb3+ lanthanide pair. However, ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
The fabrication of interpenetrated heterostructures from desirable energy materials for the development of efficient supercapacitors is promising yet challenging. Herein, a leaf-shaped cobalt phosphide/cobalt oxide ...
(Master thesis / Masteroppgave, 2021)
(Master thesis / Masteroppgave, 2021)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Monolithic device integration of crystalline complex oxide thin films can open for smarter and more sustainable devices in electronics and energy technology. However, the facile integration of such compounds has so far ...