Browsing UiS Brage by Author "Mady, Mohamed Fawzy Hamed Attia"
Now showing items 1-16 of 16
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Antiscaling Evaluation and Quantum Chemical Studies of Nitrogen-Free Organophosphorus Compounds for Oilfield Scale Management
Mady, Mohamed Fawzy Hamed Attia; Abdel-Azeim, Safwat; Kelland, Malcolm A. (Peer reviewed; Journal article, 2021-08)Nonpolymeric aminomethylenephosphonates are widely used as powerful scale inhibitors in the petroleum industry. However, most of these inhibitors have certain drawbacks, such as low biodegradability and incompatibilities ... -
Design, synthesis and antitumor evaluation of novel pyrazolopyrimidines and pyrazoloquinazolines
Mady, Mohamed Fawzy Hamed Attia; El-Naggar, Mohamed; Hassan, Ashraf S.; Awad, Hanem M. (Journal article; Peer reviewed, 2018-05)A series of N-aryl-7-aryl-pyrazolo[1,5-a]pyrimidines 18a–u and N-aryl-pyrazolo[1,5-a] quinazolines 25a–c were designed and synthesized via the reaction of 5-aminopyrazoles 11a–c with enaminones 12a–g or 19, respectively. ... -
Design, Synthesis, Anticancer Evaluation, Enzymatic Assays, and a Molecular Modeling Study of Novel Pyrazole−Indole Hybrids
Hassan, Ashraf S.; Moustafa, Gaber O.; Awad, Hanem M.; Nossier, Eman S.; Mady, Mohamed Fawzy Hamed Attia (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 ... -
Efficient Electrochemical Reduction of CO2 to CO by Ag-Decorated B-Doped g-C3N4: A Combined Theoretical and Experimental Study
Lu, Song; Zhang, Yang; Mady, Mohamed Fawzy Hamed Attia; Tucho, Wakshum Mekonnen; Lou, Fengliu; Yu, Zhixin (Peer reviewed; Journal article, 2022)Electrochemical CO2 reduction (ECR) has received great attention in energy conversion and CO2 mitigation. In recent years, graphitic carbon nitride (g-C3N4) has been regarded as a very promising support for metal nanoparticles ... -
Environmentally Friendly Phosphonated Polyetheramine Scale Inhibitors - Excellent Calcium Compatibility for Oilfield Applications
Mady, Mohamed Fawzy Hamed Attia; Bayat, Parya; Kelland, Malcolm A. (Peer reviewed; Journal article, 2020-05)Scaling is one of the most frequently stated problems in the oil industry, and scale inhibitors (SIs) are applied to prevent its formation. Organophosphonates are well-known types of SIs, particularly useful for squeeze ... -
Exploring Modified Alendronic Acid as a New Inhibitor for Calcium-Based Oilfield Scales
Mady, Mohamed Fawzy Hamed Attia; Ortega, Rocio Carolina; Kelland, Malcolm Andrew (Peer reviewed; Journal article, 2022-02)Organophosphorus compounds are well known as oilfield scale inhibitors. Earlier work showed that a series of new and well-known bone-targeting drugs incorporating non-toxic bisphosphonates (BPs) (PO3H2–C–PO3H2) gave good ... -
Fosfomycin and Its Derivatives: New Scale Inhibitors for Oilfield Applications
Mady, Mohamed Fawzy Hamed Attia; Ortega, Rocio Carolina (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
Hassan, Ali M.; Said, Ahmed O.; Heakal, Bassem H.; Younis, Ahmed; Aboulthana, Wael M.; Mady, Mohamed Fawzy Hamed Attia (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 ... -
Investigation of the Antiscaling Performance of Phosphonated Chitosan for Upstream Petroleum Industry Application
Mady, Mohamed Fawzy Hamed Attia; Abdel-Azeim, Safwat; Kelland, Malcolm Andrew (Peer reviewed; Journal article, 2021)Scale deposition is one of the main water-based production problems in the upstream oil and gas industry. Few environmentally friendly scale inhibitors show good thermal stability as well as calcium compatibility. We report ... -
Phosphonated Lower-Molecular-Weight Polyethyleneimines as Oilfield Scale Inhibitors: An Experimental and Theoretical Study
Mady, Mohamed Fawzy Hamed Attia; Karaly, Ali H.; Abdel-Azeim, Safwat; Hussein, Ibnelwaleed A.; Kelland, Malcolm Andrew; Younis, Ahmed (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
Mady, Mohamed Fawzy Hamed Attia; Alkaraly, Ali Hasan Saber; Kelland, Malcolm Andrew (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 ... -
Regiospecific Photochemical Synthesis of Methylchrysenes
Bøhme, Thomas Andre; Egeland, Mari; Lorentzen, Marianne; Mady, Mohamed Fawzy Hamed Attia; Solbakk, Michelle F.; Sæbø, Krister Samsonsen; Jørgensen, Kåre Bredeli (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 ... -
Reliability and Performance of Vinyl Lactam-Based Kinetic Hydrate Inhibitor Polymers after Treatment under a Range of Conditions
Kelland, Malcolm Andrew; Zhang, Qian; Dirdal, Erik Gisle; Mady, Mohamed Fawzy Hamed Attia (Peer reviewed; Journal article, 2021)Well-known kinetic hydrate inhibitors (KHIs) such as poly(N-vinylcaprolactam) (PVCap), poly(N-vinylpyrrolidone) (PVP), and 1:1 N-vinylcaprolactam:N-vinylpyrrolidone (VCap:VP) copolymer have been subjected to a range of ... -
Review of Nanotechnology Impacts on Oilfield Scale Management
Mady, Mohamed Fawzy Hamed Attia; Kelland, Malcolm Andrew (Peer reviewed; Journal article, 2020)Nanotechnology has grown rapidly in both research and applications over the past two decades including in the upstream petroleum industry. A recent hot area for studying nanotechnology has been oilfield scale management. ... -
Synthesis and Antiscaling Evaluation of Novel Hydroxybisphosphonates for Oilfield Applications
Mady, Mohamed Fawzy Hamed Attia; Rehman, Abdur; Kelland, Malcolm Andrew (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 and Study of Modified Polyaspartic Acid Coupled Phosphonate and Sulfonate Moieties As Green Oilfield Scale Inhibitors
Mady, Mohamed Fawzy Hamed Attia; Rehman, Abdur; Kelland, Malcolm Andrew (Peer reviewed; Journal article, 2021)The petroleum industry has strived for several years to explore environmentally friendly scale inhibitors with no acute environmental impact. Well-known industrial biodegradable polyaspartic acid is widely used as a potent ...