تصفح حسب المؤلف "Mahmoud, Khaled A."
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2D Ti3C2Tx (MXene)-reinforced polyvinyl alcohol (PVA) nanofibers with enhanced mechanical and electrical properties
Sobolčiak, Patrik; Ali, Adnan; Hassan, Mohammad K.; Helal, Mohamed I.; Tanvir, Aisha; Popelka, Anton; Al-Maadeed, Mariam A.; Krupa, Igor; Mahmoud, Khaled A.... more authors ... less authors ( Public Library of Science , 2017 , Article)Novel 2D Ti3C2Tx (MXene)-reinforced polyvinyl alcohol (PVA) nanofibers have been successfully fabricated by an electrospinning technique. The high aspect ratio, hydrophilic surfaces, and metallic conductivity of delaminated ... -
Chitosan/lignosulfonate nanospheres as "green" biocide for controlling the microbiologically influenced corrosion of carbon steel
Rasheed, Pathath Abdul; Pandey, Ravi P.; Jabbar, Khadeeja A.; Samara, Ayman; Abdullah, Aboubakr M.; Mahmoud, Khaled A.... more authors ... less authors ( MDPI AG , 2020 , Article)In this work, uniform cross-linked chitosan/lignosulfonate (CS/LS) nanospheres with an average diameter of 150-200 nm have been successfully used as a novel, environmentally friendly biocide for the inhibition of mixed ... -
Controlled design of PtPd nanodendrite ornamented niobium oxynitride nanosheets for solar-driven water splitting
Ahmad, Yahia H.; Eid, Kamel; Mahmoud, Khaled A.; Al-Qaradawi, Siham Y. ( Royal Society of Chemistry , 2018 , Article)Developing efficient photocatalysts for the water splitting reaction is crucial in a fuel cell reaction. Herein, we present a facile road-map for one-pot fabrication of PtPd nanodendrite (ND) ornamented niobium oxynitride ... -
Developing sustainable draw solute for forward osmosis process using poly(amidoamine) dendrimer coated magnetic nanoparticles
Hassanein, Amani; Hafiz, Mhd Ammar; Hassan, Mohammad K.; Ba-Abbad, Muneer M.; AL-Ejji, Maryam; Alfahel, Radwan; Mahmoud, Khaled A.; Talhami, Mohammed; Hawari, Alaa H.... more authors ... less authors ( Elsevier B.V. , 2023 , Article)Forward osmosis is the least energy intensive water treatment membrane process, however, designing a sustainable draw solute is still a critical research necessity. In this work, we developed Poly(amidoamine) dendrimer ... -
Electrochemical performance of Ti3C2Tx MXene in aqueous media: towards ultrasensitive H2O2 sensing
Lorencova, Lenka; Bertok, Tomas; Dosekova, Erika; Holazova, Alena; Paprckova, Darina; Vikartovska, Alica; Sasinkova, Vlasta; Filip, Jaroslav; Kasak, Peter; MonikaJerigova; Velic, Dusan; Mahmoud, Khaled A.; Tkac, Jan... more authors ... less authors ( Elsevier Ltd , 2017 , Article)An extensive characterization of pristine and oxidized Ti3C2Tx (T: O, OH, F) MXene showed that exposure of MXene to an anodic potential in the aqueous solution oxidizes the nanomaterial forming TiO2 layer or TiO2 domains ... -
Fabrication of fouling resistant Ti3C2Tx (MXene)/cellulose acetate nanocomposite membrane for forward osmosis application
Alfahel, Radwan; Azzam, Reem S.; Hafiz, MhdAmmar; Hawari, Alaa H.; Pandey, Ravi P.; Mahmoud, Khaled A.; Hassan, Mohammad K.; Elzatahry, Ahmed A.... more authors ... less authors ( Elsevier Ltd , 2020 , Article)In this study, Ti3C2Tx (MXene) was used to enhance the fouling resistance of FO flat-thin film membranes. Mixed-matrix Ti3C2Tx (MXene)/ cellulose acetate (CA) membranes with different (wt%) loading of MXene were fabricated ... -
"green" ZnO-Interlinked Chitosan Nanoparticles for the Efficient Inhibition of Sulfate-Reducing Bacteria in Inject Seawater
Rasool, Kashif; Nasrallah, Gheyath K.; Younes, Nadin; Pandey, Ravi P.; Abdul Rasheed, P.; Mahmoud, Khaled A.... more authors ... less authors ( American Chemical Society , 2018 , Article)Antimicrobial agents and corrosion inhibitors are widely used as biocides in the oil and gas industry to disinfect water and inhibit excessive biofilm formation caused mainly by sulfate reducing bacteria (SRBs). However, ... -
Highly stable Ti3C2Tx (MXene)/Pt nanoparticles-modified glassy carbon electrode for H2O2 and small molecules sensing applications
Lorencova, L.; Lorencova, Lenka; Bertok, Tomas; Filip, Jaroslav; Jerigova, Monika; Velic, Dusan; Kasak, Peter; Mahmoud, Khaled A.; Tkac, Jan... more authors ... less authors ( Elsevier B.V. , 2018 , Article)© 2018 Elsevier B.V. Electrochemical performance of a 2D Ti3C2Tx (MXene, where T: [dbnd]O, –OH, –F) sheets modified with Pt nanoparticles (PtNPs) was investigated. The results showed that Ti3C2Tx/PtNP nanocomposite deposited ... -
Impaired Liver Size and Compromised Neurobehavioral Activity are Elicited by Chitosan Nanoparticles in the Zebrafish Embryo Model
Abou-Saleh, Haissam; Younes, Nadin; Rasool, Kashif; Younis, Manaf H.; Prieto, Rafael M.; Yassine, Hadi M.; Mahmoud, Khaled A.; Pintus, Gianfranco; Nasrallah, Gheyath K.... more authors ... less authors ( MDPI , 2019 , Article)The use of chitosan nanoparticles (ChNPs) in various biological and environmental applications is attracting great interest. However, potential side effects related to ChNP toxicity remain the major limitation hampering ... -
Microbiologically-influenced corrosion of the electroless-deposited NiP-TiNi – Coating
Eman M., Fayyad; Rasheed, P. Abdul; Al-Qahtani, Noora; Abdullah, Aboubakr M.; Hamdy, Fatma; Sharaf, Mohammed A.; Hassan, Mohammad K.; Mahmoud, Khaled A.; Mohamed, Adel M.; Jarjoura, George; Farhat, Zoheir... more authors ... less authors ( Elsevier B.V. , 2021 , Article)In this study, we reveal the microbiologically influenced corrosion (MIC) behavior of the new electroless NiP-TiNi nanocomposite coating in simulated seawater using the electrochemical impedance spectroscopy (EIS) technique ... -
MXene (Ti3 C2 Tx )/Cellulose Acetate Mixed-Matrix Membrane Enhances Fouling Resistance and Rejection in the Crossflow Filtration Process
Azam, Reem S.; Almasri, Dema A.; Alfahel, Radwan; Hawari, Alaa H.; Hassan, Mohammad K.; Elzatahry, Ahmed A.; Mahmoud, Khaled A.... more authors ... less authors ( MDPI , 2022 , Article)Obstacles in the membrane-based separation field are mainly related to membrane fouling. This study involved the synthesis and utilization of covalently crosslinked MXene/cellulose acetate mixed matrix membranes with MXene ... -
Natural clay-supported palladium catalysts for methane oxidation reaction: Effect of alloying
Ahmad, Yahia H.; Mohamed, Assem T.; Mahmoud, Khaled A.; Aljaber, Amina S.; Al-Qaradawi, Siham Y. ( Royal Society of Chemistry , 2019 , Article)The catalytic combustion of methane (CCM) has been extensively studied owing to the wide use of methane in motor vehicles and power generation turbines. However, the absence of polarizability and the high C-H bond strength ... -
Screening the growth inhibition mechanism of sulfate reducing bacteria by chitosan/lignosulfonate nanocomposite (CS@LS) in seawater media
Kashif, Rasool; Pandey, Ravi P.; Rasheed, P. Abdul; Gomez, Tricia; Al-Absi, Enas S.; Nasrallah, Gheyath K.; Mahmoud, Khaled A.... more authors ... less authors ( Elsevier , 2021 , Article)Sulfate-reducing bacteria (SRBs) induced biofilm formation is a global industrial concern due to its role in the development of microbial-induced corrosion (MIC). Herein, we have developed a biodegradable chitosan/lignosulfonate ... -
Tailoring electrocatalytic properties of Pt nanoparticles grown on Ti3C2Tx MXene surface
Filip, Jaroslav; Zavahir, Sifani; Lorencova, Lenka; Bertok, Tomas; Yousaf, Ammar Bin; Mahmoud, Khaled A.; Tkac, Jan; Kasak, Peter... more authors ... less authors ( Electrochemical Society, Inc. , 2019 , Article)In this work, the spontaneous and NaBH4-induced reduction of chloroplatinic acid on the surface of Ti3C2TX MXene was investigated to synthesize a hybrid PtNP-decorated MXene nanomaterial (MX-Pt) with potential as hydrogen ...