Search Results - "Osman, Maher"

Microwave-assisted adsorption of Cr(VI), Cd(II) and Pb(II) in presence of magnetic graphene oxide-covalently functionalized-tryptophan nanocomposite by Mahmoud, Mohamed E., Osman, Maher M., Abdel-Aal, Hany, Nabil, Gehan M.

“…Microwave (MW)-assisted remediation of heavy metals toxicity using a powerful environmental-friendly nanocomposite of magnetic graphene oxide functionalized…”
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Prognostic performance of Hong Kong Liver Cancer with Barcelona Clinic Liver Cancer staging systems in hepatocellular carcinoma by Kohla, Mohamed, Ashour, Reham, Taha, Hossam, El-Abd, Osama, Osman, Maher, Abozeid, Mai, ELKhadry, Sally Waheed

“…Accurate staging is necessary for predicting hepatocellular carcinoma (HCC) prognosis and guiding patient management. The Barcelona Clinic Liver Cancer (BCLC)…”
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A novel composite of nanomagnetite-immobilized-baker’s yeast on the surface of activated carbon for magnetic solid phase extraction of Hg(II) by Mahmoud, Mohamed E., Ahmed, Somia B., Osman, Maher M., Abdel-Fattah, Tarek M.

“…Schematic diagram of various sorbents. [Display omitted] •A novel nanomagnetic solid phase extraction composite.•Adsorptive removal of Hg(II) from…”
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Green nanosilica@folic Acid (VB9) nanocomposite for engineered adsorptive water remediation of bivalent lead, cadmium and copper by Mahmoud, Mohamed E., Osman, Maher M., Yakout, Amr A., Abdelfattah, Amir M.

“…Folic acid (VB9) was used as an eco-friendly sequestering chemical compound to modify and develop a novel nanocomposite via surface immobilization and chemical…”
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Water and soil decontamination of toxic heavy metals using aminosilica-functionalized-ionic liquid nanocomposite by Mahmoud, Mohamed E., Osman, Maher M., Yakout, Amr A., Abdelfattah, Amir M.

“…A chemical modification method is presented to establish a surface functionalization procedure of amino modified nanosilica (NS-amine) with…”
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Removal and preconcentration of lead (II), copper (II), chromium (III) and iron (III) from wastewaters by surface developed alumina adsorbents with immobilized 1-nitroso-2-naphthol by Mahmoud, Mohamed E., Osman, Maher M., Hafez, Osama F., Elmelegy, Essam

“…The potential removal and preconcentration of lead (II), copper (II), chromium (III) and iron (III) from wastewaters were investigated and explored. Three new…”
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High performance SiO2-nanoparticles-immobilized-Penicillium funiculosum for bioaccumulation and solid phase extraction of lead by Mahmoud, Mohamed E, Yakout, Amr A, Abdel-Aal, Hany, Osman, Maher M

“…Novel biosorbent systems were designed, investigated and implemented for bioaccumulation of Pb(II) from aqueous solutions. These are based on the combination…”
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Removal and preconcentration of lead (II) and other heavy metals from water by alumina adsorbents developed by surface-adsorbed-dithizone by Mahmoud, Mohamed E., Osman, Maher M., Hafez, Osama F., Hegazi, Abdelrahman H., Elmelegy, Essam

“…This paper presents the removal and preconcentration of Pb(II) from drinking tap water and wastewater samples via applications of newly modified three…”
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Immobilization of Fusarium verticillioides fungus on nano-silica (NSi–Fus): A novel and efficient biosorbent for water treatment and solid phase extraction of Mg(II) and Ca(II) by Mahmoud, Mohamed E., Yakout, Amr A., Abdel-Aal, Hany, Osman, Maher M.

“…Novel biosorbent systems were designed and implemented for water treatment of Mg(II) and Ca(II). These are based on the combination of SiO2-nanoparticles…”
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Imprinting “Nano-SiO2‑Crosslinked Chitosan-Nano-TiO2” Polymeric Nanocomposite for Selective and Instantaneous Microwave-Assisted Sorption of Hg(II) and Cu(II) by Mahmoud, Mohamed E, Nabil, Gehan M, Abdel-Aal, Hany, Fekry, Nesma A, Osman, Maher M

“…An imprinting polymeric nanocomposite-like structure was synthesized by bonding crosslinked chitosan to nano-SiO2 and nano-TiO2 simultaneously via bifunctional…”
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Performance evaluation of hybrid inorganic/organic adsorbents in removal and preconcentration of heavy metals from drinking and industrial waste water by Mahmoud, Mohamed E., Hafez, Osama F., Alrefaay, Ahmed, Osman, Maher M.

“…Hybrid inorganic/organic adsorbents based on alumina and 4-aminoantipyrene were synthesized, characterized and potentially applied to remove and preconcentrate…”
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Hybrid inorganic/organic alumina adsorbents-functionalized-purpurogallin for removal and preconcentration of Cr(III), Fe(III), Cu(II), Cd(II) and Pb(II) from underground water by Mahmoud, Mohamed E., Hafez, Osama F., Osman, Maher M., Yakout, Amr A., Alrefaay, Ahmed

“…Metal pollution is well recognized as one of the major environmental problems that must be imperatively addressed and solved. In this study, three types of…”
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Speciation and Selective Biosorption of Cr(III) and Cr(VI) Using Nanosilica Immobilized-Fungi Biosorbents by Mahmoud, Mohamed E, Yakout, Amr A, Abdel-Aal, Hany, Osman, Maher M

“…AbstractChromium is one of the most toxic and carcinogenic heavy metals. Conventional techniques which are commonly applied for removal of chromium ions from…”
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Improved adsorptive removal of cadmium from water by hybrid chemically and biologically carbonaceous sorbents by Mahmoud, Mohamed E., Osman, Maher M., Ahmed, Somia B., Abdel-Fattah, Tarek M.

“…The novelty in this submitted work is mainly based on the direct hybridization of sorption properties of active carbon (AC) sorbent with those characteristics…”
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Dowex anion exchanger-loaded-baker’s yeast as bi-functionalized biosorbents for selective extraction of anionic and cationic mercury(II) species by Mahmoud, Mohamed E., Yakout, Amr A., Osman, Maher M.

“…Dowex anion exchanger-immobilized-baker’s yeast [ Dae-yeast] were synthesized and potentially applied as environmental friendly biosorbents to evaluate the…”
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Enhanced biosorptive removal of cadmium from aqueous solutions by silicon dioxide nano-powder, heat inactivated and immobilized Aspergillus ustus by Mahmoud, Mohamed E., Yakout, Amr A., Abdel-Aal, Hany, Osman, Maher M.

“…Heat inactivated Aspergillus ustus (Asp), silicon dioxide-nano-powder (N―Si), and silicon dioxide nano-powder-combined-heat inactivated Aspergillus ustus…”
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Removal of potassium permanganate from water by modified carbonaceous materials by Mahmoud, Mohamed E., Yakout, Amr A., Saad, Shaimaa R., Osman, Maher M.

“…Potassium permanganate is commonly used in multidiscipline processes as a strong oxidizing agent for oxidative treatment of a great number of organic and…”
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Speciation, selective extraction and preconcentration of chromium ions via alumina-functionalized-isatin-thiosemicarbazone by Mahmoud, Mohamed E., Yakout, Amr A., Ahmed, Somia B., Osman, Maher M.

“…A method is presented and described for speciation, extraction and preconcentration of Cr(III) and Cr(VI) based on dynamic and static solid phase extraction…”
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Adsorption Behavior of Solvent-Free Microwave Assisted Nanosilica-Functionalized Carboxylic Acids for the Removal of Cobalt (II) from Water by Mahmoud, Mohamed E., Yakout, Amr A., Elserw, Mahmoud I. A., Osman, Maher M.

“…Nanosilica (NSi) was functionalized by oxalic acid (NSi‐Ox) and tartaric acid (NSi‐Tar) using solvent‐free microwave‐assisted approach. The two…”
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Risk factors and management of incisional hernia in the recipients of living donor liver transplant: A single institutional experience by Yassein, Taha, Elgady, Ammar, Ayoup, Islam, Gaballa, Nahla K., Abbasy, Mohamed, Abou‐Shady, Mohammed, Osman, Maher, Zakaria, Hazem M.

“…Aim Incisional hernia (IH) has a wide range of incidence after liver transplant (LT), with reported different risk factors. The aim of the study was to shed…”
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