Browsing Vitenskapelige publikasjoner (TN-IKBM) by Title
Now showing items 138-157 of 220
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Network analysis of nitrate-sensitive oral microbiome reveals interactions with cognitive function and cardiovascular health across dietary interventions
(Peer reviewed; Journal article, 2021)Many oral bacteria reduce inorganic nitrate, a natural part of a vegetable-rich diet, into nitrite that acts as a precursor to nitric oxide, a regulator of vascular tone and neurotransmission. Aging is hallmarked by reduced ... -
Nitrogen doped Carbon Nanotubes as Electrocatalyst for Oxygen Reduction Reaction
(Peer reviewed; Journal article, 2019)The oxygen reduction reaction on nitrogen doped multiwalled carbon nanotubes (N-MCNTs) is studied for its application for deoxygenation of seawater. N-MCNTs were synthesized using commercial MCNTs and polyaniline as nitrogen ... -
Non-Amide Polymers as Kinetic Hydrate Inhibitors-Maleic Acid/ Alkyl Acrylate Copolymers and the Effect of pH on Performance
(Peer reviewed; Journal article, 2021)Kinetic hydrate inhibitors (KHIs) have been used for over 25 years to prevent gas hydrate formation in oil and gas production flow lines. The main component in KHI formulations is a water-soluble polymer with many amphiphilic ... -
Nonpolymeric Citramide-Based Kinetic Hydrate Inhibitors: Good Performance with Just Six Alkylamide Groups
(Peer reviewed; Journal article, 2022)The use of kinetic hydrate inhibitors (KHIs) is a well-known method for preventing gas hydrate formation in oil and gas production flow lines. The main ingredient in KHI formulations is one or more polymers with amphiphilic ... -
Numerical investigations of pipe flow downstream a flow conditioner with bundle of tubes
(Peer reviewed; Journal article, 2023-01)Flow conditioners are widely utilized in pipeline systems to improve the precision of flow rate measurement in the pipeline systems of the offshore and subsea oil and gas industry. There is a lack of knowledge about the ... -
Nutraceutical productions from microalgal derived compounds via circular bioeconomy perspective
(Peer reviewed; Journal article, 2021-03)Circular bioeconomy has become a sustainable business model for commercial production that promises to reuse, recycle & recover while considering less environmental footprints in nutraceutical industries. Microalgae ... -
N‑Oxide Polyethers as Kinetic Hydrate Inhibitors: Side Chain Ring Size Makes the Difference
(Peer reviewed; Journal article, 2021)The formation of gas hydrates in flow lines is one of the most severe problems for flow assurance in the gas and oil industry. Developing effective kinetic hydrate inhibitors (KHIs) to avoid the problem of gas hydrate ... -
N‑Vinyl Caprolactam/Maleic-Based Copolymers as Kinetic Hydrate Inhibitors: The Effect of Internal Hydrogen Bonding
(Peer reviewed; Journal article, 2022)Kinetic hydrate inhibitors (KHIs) have been used for over 25 years to prevent gas hydrate formation in oil and gas production flow lines, but they are some of the most expensive oilfield production chemicals. The main ... -
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 ... -
Oxyvinylenelactam Polymers-A New Class of Lactam-Based Kinetic Hydrate Inhibitor Polymers
(Peer reviewed; Journal article, 2022)The deployment of kinetic hydrate inhibitors (KHIs) is a chemical method for the prevention of gas hydrate plugging in gas, condensate, and oil production flow lines. Polymers made using the monomer N-vinylcaprolactam ... -
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 ... -
Personalized medicine to improve treatment of dopa-responsive dystonia—a focus on tyrosine hydroxylase deficiency
(Peer reviewed; Journal article, 2021-11)Dopa-responsive dystonia (DRD) is a rare movement disorder associated with defective dopamine synthesis. This impairment may be due to the fact of a deficiency in GTP cyclohydrolase I (GTPCHI, GCH1 gene), sepiapterin ... -
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 Lower-Molecular-Weight Polyethyleneimines as Oilfield Scale Inhibitors: An Experimental and Theoretical Study
(Peer reviewed; Journal article, 2022)For many years, amino methylenephosphonate (-CH2-N-PO3H2)-based scale inhibitors (SIs) have been deployed for preventing various scales in the oil and gas industry, particularly for squeeze treatment applications. However, ... -
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 ... -
Photodegradable Antimicrobial Agents: Synthesis and Mechanism of Degradation
(Peer reviewed; Journal article, 2022)As a strategy to inactivate antimicrobial agents after use, we designed a range of ethanolamine derivatives where four of them possessed interesting activity. The ethanolamine moiety facilitates photodecomposition, which ... -
Photodegradable Antimicrobial Agents: Towards Structure Optimization
(Peer reviewed; Journal article, 2023)Antibiotic resistance continues to be an ominous threat facing human health globally and urgent action is required to limit the loss of human life. The pollution of antibiotics into the environment is one of the drivers ...