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(Doctoral thesis / Doktoravhandling, 2024)
AB toxins are proteins often used by pathogens as an attack molecule. However, some organisms use them as a defense molecule, when threatened by a predator. This PhD thesis provides insights on the understanding of the ...
(Doctoral thesis / Doktoravhandling, 2024)
In the global fight against climate change, reducing carbon dioxide emissions stands as a pressing challenge. An impactful solution involves converting CO2 into non-fossil-based chemicals, addressing rising greenhouse gas ...
(Doctoral thesis / Doktoravhandling, 2024)
Ammonia (NH3) is critical in the production of fertilizers and is one of the main alternatives to substitute fossil marine fuels, however it is a highly polluting gas. We investigated Pt-Rh nanoparticles and thin films as ...
(Doctoral thesis / Doktoravhandling, 2024)
Magnetic refrigeration is being explored as a promising alternative to current cooling methods, but existing magnetocaloric materials face challenges for mass production. This thesis investigates two types of materials: ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Daphne mezereum L., an important medicinal plant in Scandinavian folk medicine, was used to treat ailments such as diarrhea, swelling and stomach pain. A range of natural compounds have been isolated, but little attention ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Li intercalation and graphite stacking have been extensively studied because of the importance of graphite in commercial Li-ion batteries. Despite this attention, there are still questions about the atomistic structures ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
Abstract Molecular layer deposition (MLD) is an incredibly powerful and flexible tool for designing completely new materials with novel and unique properties. The low temperature layer‐by‐layer approach and the use of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
The tandem CO2 hydrogenation to hydrocarbons over mixed metal oxide/zeolite catalysts (OXZEO) is an efficient way of producing value-added hydrocarbons (platform chemicals and fuels) directly from CO2 via methanol intermediate ...
(Doctoral thesis / Doktoravhandling, 2023)
The fight between pathogens and their hosts is almost as old as life on earth. Proteins are among the most important weapons used by pathogens and their hosts in the molecular warfare that underlies pathogenesis. This ...
(Doctoral thesis / Doktoravhandling, 2023)
In this work, plasmonic metal nanoparticles (MNPs) are utilized to improve the photoelectrochemical (PEC) response of strontium titanate (STO). These MNPs were introduced by either direct exsolution, i.e., nickel (Ni), ...
(Master thesis / Masteroppgave, 2023)
A hydrometallurgical process was investigated as a method to selectively recover copper from municipal solid waste incineration (MSWI) bottom ash. In Norway, bottom ash is mainly disposed of instead of being utilized. When ...
Utviklingen av synteseruter for multifunksjonelle polymerer rettet mot kreftbehandling Restricted Access
(Master thesis / Masteroppgave, 2023)
Dagens gullstandard for kjemoteraputiske legemidler er monoklonale antistoffer (mABS) og antistoff-legemiddel-konjugater (ADC) som selektivt gjenkjenner kreftceller. Antistoffer kan ofte være temperatur sensitive, det kan ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
We report a mild superbase-catalyzed and nitrogen-selective carboxylation of N-heteroaryls, with subsequent alkylation enabling the synthesis of drug-like O-alkyl carbamates in good yields (av. 86%). Our findings suggest ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2023)
Nh2, Fl2, Mc2, Lv2, Ts2, and Og2 are used to investigate the effects of relativity on the 7th row in the periodic table. The present theoretical molecular data suggest the domination of p-orbitals for chemical bonding with ...
(Doctoral thesis / Doktoravhandling, 2023)
Hydantoin is an organic framework of considerable chemical and biological interest as it is encountered in several drugs and natural products with biological activity. Access to synthetic tools for synthesis and modification ...
(Master thesis / Masteroppgave, 2023)
(Doctoral thesis / Doktoravhandling, 2023)
The present work provides a fundamental and methodological framework for parameterisation of the thermodynamics and kinetics involved in surface protonic conduction of porous ionic oxides. A novel nomenclature for defect ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Science and chemistry teachers often feel that they have insufficient knowledge about the legal requirements concerning proper handling of chemicals. To help teachers and technicians, we have developed an online resource ...
(Doctoral thesis / Doktoravhandling, 2023)
Understanding islet cell biology is important for multiple metabolic diseases, including diabetes and obesity. Stem cell-derived islet organoids (SC-islets) are cell models suitable for closing existing knowledge gaps ...
(Master thesis / Masteroppgave, 2023)
(Master thesis / Masteroppgave, 2023)
The emission of volatile organic compounds (VOCs) from landfills is an environmental issue on both the global and local scale. In this study, the emissions of VOCs from Brånåsdalen nedlagte avfallsdeponi (Brånåsen closed ...
(Master thesis / Masteroppgave, 2023)
Mikroplast utgjør et dagsaktuelt miljøproblem som ofte nevnes i media. I kjemi programfag er det å gi eksempler på produksjon, gjenvinning og nedbrytning av plast et nytt kompetansemål i læreplanen. Til nå finnes det få ...
Studies of interaction between the Vibrio cholerae colonization factor GbpA and chitin using NMR spectroscopy and electron microscopy imaging Restricted Access
(Master thesis / Masteroppgave, 2023)
The bacterium Vibrio cholerae is one of the most well-known contaminants of water and food sources across the world, and a cause of the disease cholera. It is particularly notorious for having outbreaks in underdeveloped ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
α-helical coiled-coils are ubiquitous protein structures in all living organisms. For decades, modified coiled-coils sequences have been used in biotechnology, vaccine development, and biochemical research to induce protein ...
(Doctoral thesis / Doktoravhandling, 2023)
Persistent Organic Pollutants (POPs) are chemicals that have harmful impact on human health and the environment. POPs are now regulated but were previously widely used in different applications as additives in products and ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Abstract Model intercomparison studies often report a large spread in simulation results, but quantifying the causes of these differences is hindered by the fact that several processes contribute to the model spread ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Concentration data on POPs in air is necessary to assess the effectiveness of international regulations aiming to reduce the emissions of persistent organic pollutants (POPs) into the environment. POPs in European background ...
(Doctoral thesis / Doktoravhandling, 2023)
Due to poor access and energy-intensive conversion reactions, large reservoirs of natural gas are underutilized. Natural gas and biogas mainly contain small and stable hydrocarbons (light alkanes) and could be a more ...
(Doctoral thesis / Doktoravhandling, 2023)
Aromatic amino acids are essential building blocks for proteins. Humans lack enzymes that produce aromatic amino acids, thus they must consume them with their diet. In contrast, plants, bacteria and fungi are capable of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Unlike typical chorismate mutases, the enzyme from Mycobacterium tuberculosis (MtCM) has only low activity on its own. Remarkably, its catalytic efficiency kcat/Km can be boosted more than 100-fold by complex formation ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2023)
The coupled cluster method is considered a gold standard in quantum chemistry, reliably giving energies that are exact within chemical accuracy (1.6 mhartree). However, even in the coupled cluster single-double (CCSD) ...
(Journal article / Tidsskriftartikkel / SubmittedVersion, 2023)
The use of an alkaline base mismatched with an apolar aromatic solvent provides a new route to disassemble thermoset epoxy resins resulting in the recovery of the polymer building block bisphenol A.
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Abstract The use of diaryliodonium salts in organic reactions has rapidly increased in the last decade because of their efficiency in arylation reactions. Despite this, mechanistic investigations are still scarce, particularly ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
We have studied a series of Pd/Au alloys as Pt-catchment materials, both in lab-scale experiments and in an industrial ammonia oxidation plant. Our focus has been on how bulk Pt diffusion affects grain reconstruction in ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Browning of Fennoscandian boreal lakes is raising concerns for negative ecosystem impacts as well as reduced drinking water quality. Declined sulfur deposition and warmer climate, along with afforestation, other climate ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2023)
Recent years have witnessed an increasing interest in time-dependent coupled-cluster (TDCC) theory for simulating laser-driven electronic dynamics in atoms and molecules, and for simulating molecular vibrational dynamics. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Metal additive manufacturing has in recent years gained an increasing amount of attention, especially the subgroup of laser powder-bed fusion and aluminium alloys. However, established alloys are designed for casting and ...
(Master thesis / Masteroppgave, 2023)
Lithium-ion batteries (LIBs) with graphite-based anodes dominate the battery market around the world and have been studied extensively for the past decades, but the structural changes during cycling are still not fully ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
The Hohenberg–Kohn theorem of density-functional theory (DFT) is broadly considered the conceptual basis for a full characterization of an electronic system in its ground state by just the one-body particle density. Part ...
A Study on Metal Recovery from Ilmenite Mud Waste: Characterisation, Hydrochloric Acid Leaching, and Oxidation Roasting Restricted Access
(Master thesis / Masteroppgave, 2023)
(Master thesis / Masteroppgave, 2023)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Abstract We used the methanol-to-hydrocarbon (MTH) reaction as a shape-selective model reaction to investigate coke formation in zeolite H-Ferrierite. Despite being a 2D topology in terms of channel propagation, the FER ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
For a quantum-mechanical many-electron system, given a density, the Zhao–Morrison–Parr method allows to compute the effective potential that yields precisely that density. In this work, we demonstrate how this and similar ...
(Master thesis / Masteroppgave, 2023)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Chlorosomes are supramolecular aggregates that contain thousands of bacteriochlorophyll molecules. They perform the most efficient ultrafast excitation energy transfer of all natural light-harvesting complexes. Their broad ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
The need for practical anodes for rechargeable batteries calls for new materials with improved storage capacity and cycling stability compared to the materials of today. Materials capable of alloying with alkali metals ...
(Master thesis / Masteroppgave, 2023)
Amine-based post-combustion carbon capture is a method used for reducing CO2 emissions from industrial point sources. During this process, amines can be released into the environment and form carcinogenic nitrosamines and ...
(Master thesis / Masteroppgave, 2023)
Vernier har en mini gasskromatograf som er utviklet for bruk i undervisning. Mini gasskromatografen er solgt til en god del videregående skoler i Norge. Det finnes noen laboratorieforsøk på norsk som er utviklet for ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Chorismate mutase (CM) and cyclohexadienyl dehydratase (CDT) catalyze two subsequent reactions in the intracellular biosynthesis of l-phenylalanine (Phe). Here, we report the discovery of novel and extremely rare bifunctional ...
(Doctoral thesis / Doktoravhandling, 2023)
Solid-state batteries are currently limited by low ionic conductivity compared to the liquid analogue, and improving ionic conductivity is a major concern for commercialization. This thesis focuses on the local structure ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
This work reports conductivity relaxation measurements on both uncoated (1.2 mm thick) and coated (2.0 mm thick) La2Ni0.5Cu0.5O4+δ membranes in the temperature range between 550-850 °C and oxygen partial pressures from ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Machine learning can make a strong contribution to accelerating the discovery of transition metal complexes (TMC). These compounds will play a key role in the development of new technologies for which there is an urgent ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Aurora B, together with IN-box, the C-terminal part of INCENP, forms an enzymatic complex that ensures faithful cell division. The [Aurora B/IN-box] complex is activated by autophosphorylation in the Aurora B activation ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
We present a novel function fitting method for approximating the propagation of the time-dependent electric dipole moment from real-time electronic structure calculations. Real-time calculations of the electronic absorption ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
(P,C)-cyclometalated Au(III) complexes have shown remarkable ability to catalyze the intermolecular hydroarylation of alkynes. Evidence of an outer-sphere mechanism has been provided in a previous study and is confirmed ...
(Master thesis / Masteroppgave, 2023)
This thesis delves into the ion transport mechanisms of antimicrobial peptides through lipid membranes, examining the effects of peptide and saline concentrations on membrane properties such as structure, shape, and response ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
There is concern over possible effects on ecosystems and humans from exposure to persistent organic pollutants (POPs) and chemicals with similar properties. The main objective of this study was to develop, evaluate, and ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Abstract π‐Allyl complexes of transition metals are key species in organometallic chemistry and homogeneous catalysis. Palladium(II) π‐allyl complexes in particular, have gained a lot of attention, but their isoelectronic ...
(Master thesis / Masteroppgave, 2023)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Lewis acids (LAs) have been shown to accelerate hydrogenation of CO2, but the underlying mechanistic details remain to be elucidated. We have employed computational methods to investigate how LAs affect CO2 hydrogenation ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
The resolution-of-the-identity (RI) or density fitting (DF) approximation for the electron repulsion integrals (ERIs) has become a standard component of accelerated and reduced-scaling implementations of first-principles ...
(Master thesis / Masteroppgave, 2023)
Silicon Carbide (SiC) radiation detectors are increasingly gaining recognition for their enhanced performance in diverse applications including nuclear radiation detection, functioning under high-temperature environments, ...
(Master thesis / Masteroppgave, 2023)
For the purposes of solar–induced multi–electron storage and charge transfer reactions, heteroleptic [Cu(N^N)(P^P)]+ type copper(I) complexes where (N^N)= diimine ligand and (P^P)= bulky diphosphine ligand, have become ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Abstract
Periodicity of elements is the basis of teaching and understanding inorganic chemistry. This review exemplifies simple rules and counting procedures as heuristic algorithms yielding often-dimensionless ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Dried blood spot samples are simple to prepare and transport, enabling safe andaccessible diagnostics, both locally and globally. We review dried blood spot sam-ples for clinical analysis, focusing on liquid chromatography-mass ...
(Master thesis / Masteroppgave, 2023)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
In this work, impedance spectroscopy has been employed to explore the electrochemical behaviour of a 15 cm2 complete tubular cell with BaZr0.8Ce0.1Y0.1O3-δ (BZCY) electrolyte and two asymmetric Ni-BCZY cermet electrodes ...
(Master thesis / Masteroppgave, 2023)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Abstract The possibility for Au III σ‐cyclopropyl complexes to undergo ring‐opening and give π‐allyl complexes was interrogated. The transformation was first evidenced within (P,C)‐cyclometalated complexes, it occurs within ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Abstract One-dimensional carbon chains are highly reactive allotropes that are stabilized inside the protective environment of carbon nanotubes. Here we show that carbon chains can be encapsulated in metal oxides containing ...
(Master thesis / Masteroppgave, 2023)
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2023)
We propose a novel a posteriori error assessment for the single-reference coupled-cluster (SRCC) method called the S-diagnostic. We provide a derivation of the S-diagnostic that is rooted in the mathematical analysis of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Abstract The kinetics of chlorine (Cl) atom reactions with a series of volatile methylsiloxanes (VMS) including hexamethyldisiloxane (L2), octamethyltrisiloxane (L3), decamethyltetrasiloxane (L4), dodecamethylpentasiloxane ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Abstract A common challenge when studying rare diseases or medical conditions is the limited number of patients, usually resulting in long inclusion periods as well as unequal sampling and storage conditions. The main ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2023)
We present a numerical approach to magnetic optical rotation based on real-time time-dependent electronic-structure theory. Not relying on perturbation expansions in the magnetic-field strength, the formulation allows us ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
The pressing problem of climate change on account of anthropogenic greenhouse-gas emissions underlines the necessity for carbon capture and utilisation technologies. Several heterogeneous catalyst systems allowing the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
The transport sector is an important source of CO2 emissions worldwide, and a transition towards hydrogen-fuelled vehicles is a potential remedy. These vehicles require improvements in storage capacities, which can be ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Oxysterols are potential biomarkers for liver metabolism that are altered under disease conditions such as non-alcoholic fatty liver disease (NAFLD). We here apply sterolomics to organoids used for disease modeling of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Ten samples across the range of oxygen nonstoichometry of the ErBa2FeIII3O8 triple perovskite were obtained by high-temperature equilibration and quenching from flowing gas of controlled oxygen partial pressure. The crystal ...
Interactions in Aqueous Mixtures of Cationic Hydroxyethyl Cellulose and Different Anionic Bile Salts
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
It is known that the reduction of blood cholesterol can be accomplished through foods containing a large number of dietary fibers; this process is partially related to the binding of bile salt to fibers. To gain new insights ...
Delivering antimicrobial peptides through polymer complexation – creating efficient nanocarriers to fight resistant bacteria Restricted Access
(Master thesis / Masteroppgave, 2023)
Because of the limited number of antibiotics available and the similarities in their activity and mode of action, considerable nonclinical and clinical research is being spent in the discovery and development of new and ...
(Master thesis / Masteroppgave, 2023)
Denne oppgaven omhandler en studie hvor forsøket «syntese og farging med indigo» ble testet på kjemi 2 elever. Forsøket tar for seg redoksreaksjonen av indigo og farging av handlenett med den selvlagde indigoen. Studiet ...
Konseptuell forståelse hos generell kjemi studenter - Har kjemi- og mattefag fra videregående noe å si? Restricted Access
(Master thesis / Masteroppgave, 2023)
(Master thesis / Masteroppgave, 2023)
For mass spectrometry (MS)-based proteomics, different sample preparation methods were evaluated for limited cell samples (10 000-200 000 cells), and the optimized method was used to analyze liver organoids (20-30 organoids, ...
(Doctoral thesis / Doktoravhandling, 2023)
Laws of physics govern the motion of molecules that constitute all materials, living and non-living, in a highly hierarchical organisation, across tremendous scales of size and time. Molecular dynamics provides a direct ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
The galvanostatic charge–discharge (GCD) behaviour of silicon (Si) is known to depend strongly on morphology, cycling conditions and electrochemical environment. One common method for analysing GCD curves is through ...
(Master thesis / Masteroppgave, 2023)
Non-alcoholic fatty liver disease (NAFLD) is a disease caused by the accumulation of fat in the liver, mainly due to obesity and lifestyle. The disease is a worldwide health issue, with high prevalence and a lack of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Abstract Lytic polysaccharide monooxygenases (LPMOs) catalyze oxidative cleavage of crystalline polysaccharides such as cellulose and are crucial for the conversion of plant biomass in Nature and in industrial applications. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
The Hohenberg–Kohn theorem of density-functional theory (DFT) is broadly considered the conceptual basis for a full characterization of an electronic system in its ground state by just one-body particle density. In this ...
(Doctoral thesis / Doktoravhandling, 2023)
Surface water in the Nordic countries, a crucial resource, has been undergoing a noticeable browning trend over recent decades due to increased dissolved organic matter (DOM), originating from microscopic residues of living ...
Molecular Modeling of Nucleosome Core Particles Restricted Access
(Master thesis / Masteroppgave, 2023)
Nucleosomes, the basic units of chromatin in eukaryotes, play a critical role in DNA processing such as transcription, replication, and repair. The canonical nucleosome core particle consists of 145 to 147 DNA base pairs ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
In this work, the diblock copolymer methoxy-poly(ethylene glycol)-block-poly(ε-caprolactone) (MPEG–b-PCL) was synthesized with a block composition that allows this polymer in aqueous media to possess both an upper critical ...
(Master thesis / Masteroppgave, 2023)
The field of chemistry is increasingly applying machine learning methods to aid in the exploration and understanding of the chemical space. This thesis explores a set of supervised machine learning (ML) methods consisting ...
(Master thesis / Masteroppgave, 2023)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
It is of considerable interest to identify chemicals which may represent a hazard and risk to environmental and human health in remote areas. The OECD POV and LRTP Screening Tool (“The Tool”) for assessing chemicals for ...
(Master thesis / Masteroppgave, 2023)
(Master thesis / Masteroppgave, 2023)
(Master thesis / Masteroppgave, 2023)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Green hydrogen produced from solar energy could be one of the solutions to the growing energy shortage as non-renewable energy sources are phased out. However, the current catalyst materials used for photocatalytic water ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
Lytic polysaccharide monooxygenases (LPMOs) are surface-active redox enzymes that catalyze the degradation of recalcitrant polysaccharides, making them important tools for energy production from renewable sources. In ...