Search Results - "El Sharkawy, M"

Eddy currents analysis methods for an MRI longitudinal gradient coil by Alsharafi, Sadeq S, Badawi, Ahmed M, El‐Sharkawy, AbdEl‐Monem M

“…Purpose The rapid switching of the gradient fields induces eddy currents in neighboring metallic structures, causing undesirable effects. Numerical…”
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Design and testing of high‐density polyethylene nanocomposites filled with lead oxide micro‐ and nano‐particles: Mechanical, thermal, and morphological properties by Mahmoud, Mohamed E., El‐Khatib, Ahmed M., El‐Sharkawy, Rehab M., Rashad, Amal R., Badawi, Mohamed S., Gepreel, Mohamed A.

“…ABSTRACT This research discusses the mechanical behavior and the microstructure of high‐density polyethylene (HDPE)‐based composites, manufactured using the…”
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Global warming: causes and impacts on agroecosystems productivity and food security with emphasis on cassava comparative advantage in the tropics/subtropics by El-Sharkawy, M. A

“…Earth’s climate has experienced notable changes during the past 50–70 years when global surface temperature has risen by 0.8°C during the 20th century. This…”
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Efficient photocatalytic degradation of organic pollutants over TiO2 nanoparticles modified with nitrogen and MoS2 under visible light irradiation by El Sharkawy, Heba M., Shawky, Amira M., Elshypany, Rania, Selim, Hanaa

“…Investigate the use of visible light to improve photocatalytic degradation of organic pollutants in wastewater. Nitrogen-doped titania and molybdenum sulfide…”
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Cardiac work is related to creatine kinase energy supply in human heart failure: a cardiovascular magnetic resonance spectroscopy study by Gabr, Refaat E, El-Sharkawy, AbdEl-Monem M, Schär, Michael, Panjrath, Gurusher S, Gerstenblith, Gary, Weiss, Robert G, Bottomley, Paul A

“…It has been hypothesized that the supply of chemical energy may be insufficient to fuel normal mechanical pump function in heart failure (HF). The creatine…”
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Cognitive impairment in primary biliary cirrhosis: Symptom impact and potential etiology by Newton, Julia L., Hollingsworth, Kieren G., Taylor, Roy, El‐Sharkawy, Ahmed M., Khan, Zia Uda, Pearce, Ruth, Sutcliffe, Kathryn, Okonkwo, Oke, Davidson, Adrian, Burt, Jennifer, Blamire, Andrew M., Jones, David

“…Qualitative studies suggest that patients with primary biliary cirrhosis (PBC) experience significant problems with memory and concentration. Studies of…”
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Comparative morphological, thermal, and mechanical characteristics of doped bentonite and dolomite natural clay fillers into high‐density polyethylene by Mahmoud, Mohamed E., Khalifa, Mohammed A., Youssef, Mahues R., El‐Sharkawy, Rehab M.

“…Organic–inorganic composites have attracted great interest, due to their remarkable impact, causing improvements in the mechanical properties of polymers when…”
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Influence of MgO and ZnO as nano‐additives on the mechanical, microstructural and thermal performance of high‐density polyethylene by Mahmoud, Mohamed E., Khalifa, Mohammed A., Youssef, Mahues R., El‐Sharkawy, Rehab M.

“…Polymer nanocomposites have placed themselves in a highly favorable position in use in practical applications, with materials currently employed in technology…”
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Aspergillus tamarii mediated green synthesis of magnetic chitosan beads for sustainable remediation of wastewater contaminants by El-Sharkawy, Reyad M., Swelim, Mahmoud A., Hamdy, Ghada B.

“…The release of different hazardous substances into the water bodies during the industrial and textile processing stages is a serious problem in recent decades…”
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Synergistic effect of nano‐bentonite and nanocadmium oxide doping concentrations on assembly, characterization, and enhanced gamma‐rays shielding properties of polypropylene ternary nanocomposites by El‐Sharkawy, Rehab M., Allam, Elhassan A., El‐Taher, Atef, Shaaban, Esam Ramadan, Mahmoud, Mohamed E.

“…Summary It has been confirmed from an experimental, as well as a theoretical, standpoint that metal oxide polymer nanocomposites (MPNCs) represent a new…”
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Unveiling antibacterial and antioxidant activities of zinc phosphate-based nanosheets synthesized by Aspergillus fumigatus and its application in sustainable decolorization of textile wastewater by El-Sharkawy, Reyad M, Abbas, Mohamed H. H

“…The development of an environment-friendly nanomaterial with promising antimicrobial and antioxidant properties is highly desirable. The decolorization…”
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A comparative Study Between Fluka and Microshield Modeling Calculations to study the Radiation‐Shielding of Nanoparticles and Plastic Waste composites by El‐Taher, Atef, Zakaly, Hesham M. H., Pyshkina, Mariia, Allam, Elhassan A., El‐Sharkawy, Rehab M., Mahmoud, Mohamed E., Abdel‐Rahman, Mohamed A. E.

“…A comparative study has been conducted by using Monte Carlo FLUKA code and Microshieldsoftware programs to study the radiation shielding properties of plastic…”
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A multichannel, real-time MRI RF power monitor for independent SAR determination by El-Sharkawy, AbdEl-Monem M., Qian, Di, Bottomley, Paul A., Edelstein, William A.

“…Purpose: Accurate measurements of the RF power delivered during clinical MRI are essential for safety and regulatory compliance, avoiding inappropriate…”
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Production and immobilization of β-glucanase from Aspergillus niger with its applications in bioethanol production and biocontrol of phytopathogenic fungi by El-Shora, Hamed M., El-Sharkawy, Reyad M., Khateb, Aiah M., Darwish, Doaa B.

“…β-Glucanase has received great attention in recent years regarding their potential biotechnological applications and antifungal activities. Herein, the…”
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Rutin of Moringa oleifera as a potential inhibitor to Agaricus bisporus tyrosinase as revealed from the molecular dynamics of inhibition by El-Sharkawy, Reyad M., El-Hadary, Abdalla E., Essawy, Heba S., El-Sayed, Ashraf S. A.

“…Tyrosinase is a binuclear copper-containing enzyme that catalyzes the conversation of monophenols to diphenols via o -hydroxylation and then the oxidation of o…”
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An RF dosimeter for independent SAR measurement in MRI scanners by Qian, Di, El-Sharkawy, AbdEl-Monem M., Bottomley, Paul A., Edelstein, William A.

“…Purpose: The monitoring and management of radio frequency (RF) exposure is critical for ensuring magnetic resonance imaging (MRI) safety. Commercial MRI…”
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Propolis Improves Periodontal Status and Glycemic Control in Patients With Type 2 Diabetes Mellitus and Chronic Periodontitis: A Randomized Clinical Trial by El‐Sharkawy, Hesham M., Anees, Mohamed M., Van Dyke, Thomas E.

“…Background: Propolis is a natural resin made by bees from various plant sources and exerts antimicrobial, anti‐inflammatory, immunomodulatory, antioxidant, and…”
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Innovative optimization for enhancing Pb2+ biosorption from aqueous solutions using Bacillus subtilis by El-Sharkawy, Reyad M., Khairy, Mohamed, Abbas, Mohamed H. H., Zaki, Magdi E. A., El-Hadary, Abdalla E.

“…Toxic heavy metal pollution has been considered a major ecosystem pollution source. Unceasing or rare performance of Pb2+ to the surrounding environment causes…”
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Design and Characterization of Self-Shielded MRI Gradient Coils With Finite Track Width by Alsharafi, Sadeq S, Kassahun, Haile Baye, Badawi, Ahmed M, El-Sharkawy, Abdel-Monem M

“…Gradient coils are essential for the performance of magnetic resonance imaging systems. Usually, coils are designed assuming thin wire tracks. Here, we design…”
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Multi-Channel, Actively Shielded, Power Efficient MRI Z-Gradient Cylindrical Coil Design Using Target-Field Method by Kassahun, Haile Baye, Alsharafi, Sadeq S, Badawi, Ahmed M, El-Sharkawy, Abdel-Monem M

“…Gradient coils are essential for MRI where fast and large electrical current pulses are typically applied to conventional, single-channel gradient coils,…”
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