Blar i Universitetet i Stavanger på tidsskrift "ACS Omega"
Viser treff 1-17 av 17
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1,4-Dideoxy-1,4-imino‑D‑arabinitol (DAB) Analogues Possessing a Hydrazide Imide Moiety as Potent and Selective α‑Mannosidase Inhibitors
(Peer reviewed; Journal article, 2020-07)The synthesis of two polyhydroxylated pyrrolidines as 1,4-dideoxy-1,4-imino-D-arabinitol (DAB) analogues bearing a hydrazide moiety is described. The DAB analogues act as selective and potent inhibitors of α-mannosidase ... -
Design, Synthesis, Anticancer Evaluation, Enzymatic Assays, and a Molecular Modeling Study of Novel Pyrazole−Indole Hybrids
(Peer reviewed; Journal article, 2021-04)The molecular hybridization concept has recently emerged as a powerful approach in drug discovery. A series of novel indole derivatives linked to the pyrazole moiety were designed and developed via a molecular hybridization ... -
Dynamics of monolayer physisorption in homogeneous mesoporous media
(Journal article; Peer reviewed, 2019-12)A model for monolayer physisorption of a one-component gas on the pore surface of a homogeneous macroporous or mesoporous porous medium is presented. It originates from an averaging over many pores of a macroporous medium ... -
Fosfomycin and Its Derivatives: New Scale Inhibitors for Oilfield Applications
(Peer reviewed; Journal article, 2022)Aminomethylenephosphonate-based scale inhibitors (SIs) have been widely studied and recognized for several decades to mitigate various oilfield scales. However, most of these compounds afforded several drawbacks, such as ... -
Green Synthesis, Characterization, Antimicrobial and Anticancer Screening of New Metal Complexes Incorporating Schiff Base
(Peer reviewed; Journal article, 2022)A Schiff base ligand of o-vanillin and 4-aminoazobenzene and its transition metal complexes of Ni(II), Co(II), Zn(II), Cu(II), Mn(II), and Zr(IV) were prepared under microwave irradiation as a green approach compared to ... -
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 ... -
Maleic and Methacrylic Homopolymers with Pendant Dibutylamine or Dibutylamine Oxide Groups as Kinetic Hydrate Inhibitors
(Peer reviewed; Journal article, 2022)Kinetic hydrate inhibitors (KHIs) are applied in oil and gas fields to prevent gas hydrate formation, most often in cold subsea flow lines. The main component in industrial KHI formulations is a water-soluble polymer with ... -
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 ... -
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 ... -
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. ... -
Review on Geopolymers as Wellbore Sealants: State of the Art Optimization for CO2 Exposure and Perspectives
(Peer reviewed; Journal article, 2023-06)Wellbores used in underground production and storage activities, including carbon capture and storage (CCS), are typically sealed using sealants based on Ordinary Portland Cement (OPC). However, leakage along these seals ... -
Synergistic Gas Hydrate and Corrosion Inhibition Using Maleic Anhydride: N-Isopropylmethacrylamide Copolymer and Small Thiols
(Peer reviewed; Journal article, 2023)Kinetic gas hydrate inhibitors (KHIs) are often used in combination with film-forming corrosion inhibitors (CIs) in oilfield production flow lines. However, CIs can be antagonistic to KHI performance. In this study, maleic ... -
Synthesis and Antiscaling Evaluation of Novel Hydroxybisphosphonates for Oilfield Applications
(Peer reviewed; Journal article, 2021)Organophosphorous compounds are still widely used as potential scale inhibitors in the upstream oil and gas industry, particularly in squeeze treatments as they have good adsorption properties on rock and are easily ... -
Synthesis of an Alleged Byproduct Precursor in Iodixanol Preparation
(Peer reviewed; Journal article, 2018-07)N1,N3-Bis(2,3-dihydroxypropyl)-2,4,6-triiodo-5-(N-(oxiran-2-ylmethyl)acetamido)isophthalamide (1), the alleged precursor of several minor byproducts formed when the X-ray contrast agent iodixanol is synthesized from ... -
Theoretical Modeling of the Impact of Salt Precipitation on CO2 Storage Potential in Fractured Saline Reservoirs
(Peer reviewed; Journal article, 2020)Deep saline reservoirs have the capacity to hold large volumes of CO2. However, apart from the high brine salinity, which poses an injectivity challenge, a high percentage of saline reservoirs are also fractured. The ...