Browsing by Author "Nimir, Hassan"
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Biodegradable Preformed Particle Gel (PPG) Made of Natural Chitosan Material for Water Shut-Off Application
Elaf, Reem; Ben Ali, Ahmed; Saad, Mohammed; Hussein, Ibnelwaleed A.; Nimir, Hassan; Bai, Baojun... more authors ... less authors ( MDPI , 2023 , Article)Oil and gas extraction frequently produces substantial volumes of produced water, leading to several mechanical and environmental issues. Several methods have been applied over decades, including chemical processes such ... -
Development of Inorganically Cross-Linked Sulfonated Polyacrylamide Preformed Particle Gels for Conformance Control: Impact of Anionic Groups
Elaf, Reem; Hamza, Ahmed; Nimir, Hassan; Saad, Mohammed; Hussein, Ibnelwaleed A.; Bai, Baojun... more authors ... less authors ( American Chemical Society (ACS) , 2024 , Article)Modern oil and gas extraction faces challenges, notably from the surplus of produced water, hampering hydrocarbon recovery and raising environmental and economic concerns. A promising solution is the injection of preformed ... -
Effect of pH on dissolution of iron sulfide scales using THPS
Ahmed, Musa; Onawole, Abdulmujeeb; Hussien, Ibnelwaleed; Saad, Mohammed; Mahmoud, Mohammed; Nimir, Hassan... more authors ... less authors ( Society of Petroleum Engineers (SPE) , 2019 , Conference Paper)Iron Sulfides scale has been a critical problem for oil and gas wells for several decades. One of the best candidates to remove these scales is tetrakis(hydroxymethyl)phosphonium sulfate (THPS). Most studies on the dissolution ... -
Electrochemically stable tunnel-type α-MnO2-based cathode materials for rechargeable aqueous zinc-ion batteries
De Luna, Yannis; Alsulaiti, Asma; Ahmad, Mohammad I.; Nimir, Hassan; Bensalah, Nasr ( Frontiers Media , 2023 , Article)The purpose of this study is the synthesis of α-MnO2-based cathode materials for rechargeable aqueous zinc ion batteries by hydrothermal method using KMnO4 and MnSO4 as starting materials. The aim is to improve the ... -
Metal complex as p-type dopant-based organic spiro-OMeTAD hole-transporting material for free-Li-TFSI perovskite solar cells
Elawad, Mohammed; Elbashir, Abdalla A.; Sajid, Muhammad; John, Kingsley Igenepo; Nimir, Hassan; Yang, Li; Ziyada, Abobakr K.; Osman, Abdelbagi; Rajab, Fahd... more authors ... less authors ( American Institute of Physics , 2024 , Article)Lithium bis(fluorosulfonyl)imide (Li-TFSI) is an efficient p-dopant that has been used to enhance the conductivity of perovskite solar cells (PSCs). However, the performance of the corresponding devices is still not ... -
Nonheme Fe(IV) Oxo Complexes of Two New Pentadentate Ligands and Their Hydrogen-Atom and Oxygen-Atom Transfer Reactions
Mitra, Mainak; Nimir, Hassan; Demeshko, Serhiy; Bhat, Satish S.; Malinkin, Sergey O.; Haukka, Matti; Lloret-Fillol, Julio; Lisensky, George C.; Meyer, Franc; Shteinman, Albert A.; Browne, Wesley R.; Hrovat, David A.; Richmond, Michael G.; Costas, Miquel; Nordlander, Ebbe... more authors ... less authors ( American Chemical Society (ACS) , 2015 , Article)Two new pentadentate {N5} donor ligands based on the N4Py (N4Py = N,N-bis(2-pyridylmethyl)-N-bis(2-pyridyl)methylamine) framework have been synthesized, viz. [N-(1-methyl-2-benzimidazolyl)methyl-N-(2-pyridyl)methyl-N-(bi ... -
A novel platinum complex of the histone deacetylase inhibitor belinostat: Rational design, development and in vitro cytotoxicity
Parker, James P.; Nimir, Hassan; Griffith, Darren M.; Duff, Brian; Chubb, Anthony J.; Brennan, Marian P.; Morgan, Maria P.; Egan, Denise A.; Marmion, Celine J.... more authors ... less authors ( Elsevier Inc. , 2013 , Article)The successful design and synthesis of a novel Pt complex of the histone deacteylase inhibitor belinostat are reported. Molecular modelling assisted in the identification of a suitable malonate derivative of belinostat(mal-p-Bel) ... -
Synthesis, Characterization, Crystal Structures, and in vitro Antitumor Activity of Palladium and Platinum (Ii) Complexes with 2-Acetyl-4-Methylthiazole Thiosemicarbazone and 2-Acetylpyrazine Thiosemicarbazone
Nimir, Hassan; Al Mohaideb, Norah; Hamad, Mariem; Ali, Awadelkareem; Aktas, Cenk; Huch, Volker; Veith, Michael; Rauch, Uli... more authors ... less authors ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The novel Schiff bases I HAMTTSC (2-Acetyl-4-methylthiazole thiosemicarbazone), II HAPTSC(2-Acetylpyrazine thiosemicarbazone) and their complexes with Pt(II) and Pd(II): 1 [Pt(AMTTSC)Cl], 2 [Pt(AMTTSC)2], 3 [Pd(AMTTSC)Cl], ...