Browsing Vitenskapelige publikasjoner (TN-IKBM) by Subject "VDP::Matematikk og Naturvitenskap: 400::Kjemi: 440"
Now showing items 21-40 of 55
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Improved pH-Responsive Release of Phenformin from Low-Defect Graphene Compared to Graphene Oxide
(Peer reviewed; Journal article, 2021-09)Graphene-based drug carriers provide a promising addition to current cancer drug delivery options. Increased accessibility of high-quality graphene made by plasma-enhanced chemical vapor deposition (PE-CVD) makes it an ... -
Innovative Functional Biomaterials as Therapeutic Wound Dressings for Chronic Diabetic Foot Ulcers
(Peer reviewed; Journal article, 2023-06)The imbalance of local and systemic factors in individuals with diabetes mellitus (DM) delays, or even interrupts, the highly complex and dynamic process of wound healing, leading to diabetic foot ulceration (DFU) in 15 ... -
Investigation of the enantioselectivity of acetylcholinesterase and butyrylcholinesterase upon inhibition by tacrine-iminosugar heterodimers
(Peer reviewed; Journal article, 2023-09)The copper-catalysed azide-alkyne cycloaddition was applied to prepare three enantiomeric pairs of heterodimers containing a tacrine residue and a 1,4-dideoxy-1,4-imino-D-arabinitol (DAB) or 1,4-dideoxy-1,4-imino-L-arabinitol ... -
Major bioactive chemical compounds in Astragali Radix samples from different vendors vary greatly
(Peer reviewed; Journal article, 2021-07)The worldwide traditional Chinese medicine (TCM) herbs sales figures have increased considerably to 50 billion US$ (2018). Astragali Radix (AR) is amongst the most often sold TCM herbs; sales in the European Union (EU) ... -
Microstructural Investigations of VO2 Thermochromic Thin Films Grown by Pulsed Laser Deposition for Smart Windows Applications
(Peer reviewed; Journal article, 2022)Abstract The structural properties of VO2 thin films, grown on either LSAT or Si substrates by pulsed laser deposition (PLD), are elucidated by means of transmission electron microscopy (TEM) methods. The TEM observations ... -
Modeling 3D cancer growth and extracellular matrix properties in vitro
(Master thesis, 2018-08-15)Background: Cancer can be defined as loss of normal behavior of cellular components thus losing tissue organization and giving rise to a tumor microenvironment (TME). Increased matrix stiffness, strain and elevated ... -
Monitoring farmed fish welfare by measurement of cortisol as a stress marker in fish feces by liquid chromatography coupled with tandem mass spectrometry
(Peer reviewed; Journal article, 2022-04)The aquaculture industry has become a sustainable source of food for humans. Remaining challenges include disease issues and ethical concerns for the discomfort and stress of farmed fish. There is a need for reliable ... -
Multi-functional Flow Assurance Chemicals: Corrosion and Kinetic Hydrate Inhibition from Maleic Anhydride:N-Vinyl Caprolactam Copolymers and Synergists
(Peer reviewed; Journal article, 2023)Water-based flow assurance issues include corrosion, scale, and gas hydrate formation. Chemical solutions to mitigate these issues usually require separate inhibitors, which sometimes can lead to compatibility difficulties. ... -
The one-health approach in seaweed food production
(Peer reviewed; Journal article, 2022-01)Seaweeds are rich in macronutrients, micronutrients, and bioactive components and have great potential as sustainable resources in terms of both production and consumption of a desirable food. Still, the seaweed aquaculture ... -
Oxidative synthesis of ortho-quinones from hydroxy-PAHs by stabilized formulation of 2-iodoxybenzoic acid (SIBX)
(Peer reviewed; Journal article, 2022)Polycyclic aromatic phenols (PAPs or hydroxy-PAHs) are conveniently converted into their corresponding ortho-quinones using commercially available stabilized iodoxybenzoic acid (SIBX). SIBX provides a safer and commercially ... -
Performance of Waterborne Polyurethanes in Inhibition of Gas Hydrate Formation and Corrosion: Influence of Hydrophobic Fragments
(Peer reviewed; Journal article, 2020-12)The design of new dual-function inhibitors simultaneously preventing hydrate formation and corrosion is a relevant issue for the oil and gas industry. The structure-property relationship for a promising class of hybrid ... -
Permeability evolution of shear failing chalk cores under thermochemical influence
(Peer reviewed; Journal article, 2020-04)Development of petroleum reservoirs, including primary depletion of the pore pressure and repressurization during water injection naturally, leads to changes in effective stresses of the formations. These changes impose ... -
Phosphonated Iminodisuccinates-A Calcite Scale Inhibitor with Excellent Biodegradability
(Peer reviewed; Journal article, 2023-01)Scale inhibitors are an extremely important chemical in upstream oil and gas field operations and water treatment industries. These inhibitors prevent nucleation and/or crystal growth of scales such as calcite and barite. ... -
Phosphonated Polyetheramine-Coated Superparamagnetic Iron Oxide Nanoparticles for Inhibition of Oilfield Scale
(Peer reviewed; Journal article, 2023)Oilfield scale is one of the significant problems in hydrocarbon production in the oil and gas industry. Many research groups have attempted to develop greener chemicals to meet environmental regulations. Magnetic nanoparticles ... -
Photodegradable antimicrobial agents - synthesis, photodegradation, and biological evaluation
(Peer reviewed; Journal article, 2021-09)Multi-drug resistant (MDR) bacteria are already a significant health-care problem and are making the combat of infections quite challenging. Here we report the synthesis of several new compounds containing an ethanolamine ... -
Physico-Chemical Aspects of the Processes During the Combustion and Heating of Tobacco under Different Conditions
(Peer reviewed; Journal article, 2023-05)Smoking cigarettes causes lung cancer, heart disease, chronic obstructive pulmonary disease (COPD) and other serious diseases. The damage caused by cigarette smoking is multifaceted and complex. Exposure to harmful and ... -
Powerful Synergy of Acetylenic Diol Surfactants with Kinetic Hydrate Inhibitor Polymers - Choosing the Correct Synergist Aqueous Solubility
(Peer reviewed; Journal article, 2021-09)The performance of injected kinetic hydrate inhibitor (KHI) polymer solutions can be boosted considerably by judicious choice of the polymer solvent system. We report the excellent KHI synergism of the low-foaming acetylenic ... -
Pushing the Known Performance Envelope of Kinetic Hydrate Inhibitors - Powerful Synergy of Trialkylamine Oxides with Acrylamide-based Polymers
(Peer reviewed; Journal article, 2021-12)Poly(N-isopropyl methacrylamide) (PNIPMAm) and copolymers are a class of commercially used kinetic hydrate inhibitors (KHIs) for deployment in oil and gas field production flow lines. Here, we report improvements of the ... -
Regiodivergent Synthesis of 11H-Indolo[3,2-c]quinolines and Neocryptolepine from a Common Starting Material
(Peer reviewed; Journal article, 2023)A large number of diversely functionalized analogs of the bioactive natural products neocryptolepine and isocryptolepine have been prepared from a series of 3-bromoquinoline derivatives. The neocryptolepines were obtained ... -
Regiospecific Photochemical Synthesis of Methylchrysenes
(Peer reviewed; Journal article, 2022-12)Methylated polycyclic aromatic hydrocarbons (PAHs) are suspected to be some of the toxic compounds in crude oil towards marine life and are needed as single compounds for environmental studies. 1-, 3- and 6-methylchrysene ...