Institutt for kjemi: Recent submissions
Now showing items 221-240 of 1395
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Study programme driven engineering education: interplay between mathematics and engineering subjects
(Peer reviewed; Journal article, 2022)This paper presents a report from an early phase of the project Mathematics as a Thinking Tool. The primary goal of this project is to increase engineering students’ perception of the relevance of mathematics by developing ... -
Occurrence and sorption behaviour of bisphenols and benzophenone UV-filters in e-waste plastic and vehicle fluff
(Peer reviewed; Journal article, 2022)Bisphenols and benzophenone UV-filters are hazardous, high production volume chemicals. There is concern that these contaminants could leach into the environment or be recycled into new products during waste management. ... -
Deciphering the Composition of Fulvic Acids from Recirculating Aquaculture Systems by Quadrupole Time-of-Flight Mass Spectrometry
(Peer reviewed; Journal article, 2022)The constant reuse of waters in recirculating aquaculture systems (RAS) together with the continuous addition of organic matter from fish degradation components, faeces and non-consumed feed promote the accumulation of ... -
Assessing and managing environmental hazards of polymers: historical development, science advances and policy options
(Peer reviewed; Journal article, 2022)Polymers are the main constituents of many materials and products in our modern world. However, their environmental safety is not assessed with the same level of detail as done for non-polymeric chemical substances. Moreover, ... -
Chemo-Enzymatic Synthesis of Enantiopure β-Antagonist (S)-Betaxolol
(Peer reviewed; Journal article, 2022)The β-blocker (S)-betaxolol has been synthesized in 99% enantiomeric excess (ee) from the commercially available precursor 4-(2-hydroxyethyl)phenol. The racemic chlorohydrin 1-chloro-3-(4-(2-(cyclopropylmethoxy)ethyl)phe ... -
Maternal dopamine exposure provides offspring starvation resistance in Daphnia
(Peer reviewed; Journal article, 2022)The neurotransmitter dopamine has been shown to play an important role in modulating behavioral, morphological, and life history responses to food abundance. However, costs of expressing high dopamine levels remain poorly ... -
Legendre-Fenchel transforms capture layering transitions in porous media
(Peer reviewed; Journal article, 2022)We have investigated the state of a nanoconfined fluid in a slit pore in the canonical and isobaric ensembles. The systems were simulated with molecular dynamics simulations. The fluid has a transition to a close-packed ... -
Eldre jernalders tjæreproduksjon ut av tåken. Om tidlig norsk tjæreproduksjon med utgangspunkt i et funn på Averøy i Møre og Romsdal
(Journal article; Peer reviewed, 2021) -
Impact of ozone treatment on dissolved organic matter in land-based recirculating aquaculture systems studied by Fourier transform ion cyclotron resonance mass spectrometry
(Peer reviewed; Journal article, 2022)In land-based recirculating aquaculture systems (RAS), the accumulation of dissolved organic matter (DOM) can have detrimental effects on water quality impacting the system performance, microbial community, and consequently ... -
The influence of temperature on cellulose swelling at constant water density.
(Peer reviewed; Journal article, 2022)We have in this paper investigated how water sorbs to cellulose. We found that both cellulose nanofibril (CNF) and cellulose nanocrystal (CNC) films swell similarly, as they are both mainly composed of cellulose. CNF/CNC ... -
Distribution pattern of mercury in northern Barents Sea and Eurasian Basin surface sediment
(Peer reviewed; Journal article, 2022)Marine sediment is a significant sink for the global pollutant mercury. In a rapidly changing Arctic region, mercury (Hg) bioaccumulation in the marine ecosystem remains a prominent environmental issue. Here, we report ... -
Application of Nanotechnology Incorporated with Natural Ingredients in Natural Cosmetics
(Peer reviewed; Journal article, 2022)Technology and environmental innovations always have a growing emphasis and have affected various industries. Since the cosmetics industry is highly competitive and consumers always desire innovations in products, the ... -
Directed Lithiation of Protected 4-Chloropyrrolopyrimidine: Addition to Aldehydes and Ketones Aided by Bis(2-dimethylaminoethyl)ether
(Peer reviewed; Journal article, 2023)Pyrrolopyrimidines are important scaffolds for the preparation of bioactive molecules. Therefore, developing efficient and flexible ways for selective functionalization of the pyrrolopyrimidine skeleton is of interest. We ... -
Photosensitized and Photothermal Stimulation of Cellular Membranes by Organic Thin Films and Nanoparticles
(Peer reviewed; Journal article, 2022)Conjugated polymers are increasingly exploited for biomedical applications. In this work, we explored the optical characteristics of conjugated polymers of variable chemical structures at multiple levels relevant to ... -
Fluctuation-Dissipation Theorems for Multiphase Flow in Porous Media
(Peer reviewed; Journal article, 2022)A thermodynamic description of porous media must handle the size- and shape-dependence of media properties, in particular on the nano-scale. Such dependencies are typically due to the presence of immiscible phases, contact ... -
Tunable Gold-catalyzed Reactions of Propargyl Alcohols and Aryl Nucleophiles
(Peer reviewed; Journal article, 2022)Gold-catalyzed transformations of 1,3-diarylpropargyl alcohols and various aryl nucleophiles were studied. Selective tunable synthetic methods were developed for 1,1,3-triarylallenes, diaryl-indenes and tetraaryl-allyl ... -
Molecular orbital theory in cavity QED environments
(Peer reviewed; Journal article, 2022)Coupling between molecules and vacuum photon fields inside an optical cavity has proven to be an effective way to engineer molecular properties, in particular reactivity. To ease the rationalization of cavity induced effects ... -
Use of Photocatalytically Active Supramolecular Organic–Inorganic Magnetic Composites as Efficient Route to Remove β-Lactam Antibiotics from Water
(Peer reviewed; Journal article, 2022)Considerable efforts have been made in recent years to identify an optimal treatment method for the removal of antibiotics from wastewaters. A series of supramolecular organic-inorganic magnetic composites containing ... -
Formation and growth of multiple, distinct ice lenses in frost heave
(Peer reviewed; Journal article, 2022)This paper presents a fully coupled thermo-hydro-mechanical (THM) modelwhich simulates frost heave in fully saturated soils. The model is able tosimulate the formation and growth of multiple distinct ice lenses. The ... -
Multiscale models for large molecular systems: from development to applications
(Doctoral theses at NTNU;2023:17, Doctoral thesis, 2023)The atomistic description of complex molecular systems, such as solutions and biological moieties, requires some sort of compromise between computational efforts and accuracy. Low-level models can treat thousands of atoms, ...