Search Results - "Ayad, D. M."

Adsorption of Cu(II), Co(II), and Ni(II) ions by modified magnetic chitosan chelating resin by Monier, M., Ayad, D.M., Wei, Y., Sarhan, A.A.

“…Cross-linked magnetic chitosan-isatin Schiff's base resin (CSIS) was prepared for adsorption of metal ions. CSIS obtained was investigated by means of FTIR, 1H…”
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A green approach to improve antibacterial properties of PVC/PVDF film doped by silver nanoparticles via nanosecond laser ablation for wound healing application by El-Bahnasy, S. S., Khalaf, Mohamed, Ayad, D. M., Menazea, A. A.

“…Nanocomposite films of (30% PVC/70% PVDF) blend containing silver nanoparticles were synthesized via pulsed laser ablation route (PLA). Changes in physical…”
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Adsorption of Cu(II), Hg(II), and Ni(II) ions by modified natural wool chelating fibers by Monier, M., Ayad, D.M., Sarhan, A.A.

“…The graft copolymerization of ethyl acrylate (EA) onto natural wool fibers initiated by potassium persulphate and Mohr's salt redox initiator system in limited…”
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Preparation and characterization of magnetic chelating resin based on chitosan for adsorption of Cu(II), Co(II), and Ni(II) ions by Monier, M., Ayad, D.M., Wei, Y., Sarhan, A.A.

“…Cross-linked magnetic chitosan–diacetylmonoxime Schiff’s base resin (CSMO) was prepared for adsorption of metal ions. CSMO obtained was investigated by means…”
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Preparation of cross-linked chitosan/glyoxal molecularly imprinted resin for efficient chiral resolution of aspartic acid isomers by Monier, M., Ayad, D.M., Wei, Y., Sarhan, A.A.

“…An enantioselective l-aspartic acid imprinted chitosan (LAIC) was prepared by cross-linking of chitosan by glyoxal cross-linker, in the presence of l-aspartic…”
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Phase transfer catalyzed heterogeneous N-deacetylation of chitin in alkaline solution by Sarhan, A.A., Ayad, D.M., Badawy, D.S., Monier, M.

“…Chitin was extracted from shrimp shell waste and its heterogeneous alkaline deacetylation under phase transfer catalysis (PTC) condition was performed. The…”
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Evaluation of the potential of polymeric carriers based on chitosan-grafted-polyacrylonitrile in the formulation of drug delivery systems by Sarhan, A.A, Monier, M, Ayad, D.M, Badawy, D.S

“…Graft copolymerization of chitosan with acrylonitrile (AN) was carried out by free radical polymerization using KMnO₄ and oxalic acid as a combined redox…”
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Modification on antibacterial activity of PVC/PVDF blend filled with CuO NPs using laser ablation technique by Ibrahim, A. S., Ayad, D. M., Menazea, A. A.

“…Nanocomposite of polyvinyl chloride (PVC)/polyvinylidene fluoride (PVDF) have been in situ synthesized. Copper oxide nanoparticles (CuONPs) have been prepared…”
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Adsorption of Cu(II), Cd(II) and Ni(II) ions by cross-linked magnetic chitosan-2-aminopyridine glyoxal Schiff's base by Monier, M., Ayad, D.M., Abdel-Latif, D.A.

“…[Display omitted] ► Chitosan was chemically modified through the reaction with 2-aminopyridine-glyoxal (APG) Schiff's base. ► The modified chitosan-APG…”
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Immobilization of horseradish peroxidase on modified chitosan beads by Monier, M., Ayad, D.M., Wei, Y., Sarhan, A.A.

“…A method has been developed to immobilize horseradish peroxidase (HRP) on modified chitosan beads by means of graft copolymerization of polyethylacrylate in…”
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Synthesis and characterization of photo-crosslinkable hydrogel membranes based on modified chitosan by Monier, M., Wei, Y., Sarhan, A.A., Ayad, D.M.

“…In order to develop a non toxic and biocompatible hydrogel system with potential ability in biotechnology, modified photo-crosslinkable hydrogel membranes…”
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A Novel Approach to Prepare Poly(Vinyl Acetate)/Ag Nanocomposite for Effective Antimicrobial Coating Applications by Youssef, Ahmed M., Youssef, Mai, Ayad, D. M., Sarhan, A. A.

“…Polyvinyl acetate nanocomposites were successfully prepared based on silver nanoparticles. First, silver nanoparticles were directly prepared during the in…”
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Ulnar Nerve Injuries (Sunderland Grade V): A Simplified Classification System and Treatment Algorithm by Ghoraba, Samir M., Mahmoud, Wael H., Elsergany, Mervat A., Ayad, Hashem M.

“…BACKGROUND:This study introduced a novel technical approach to the ulnar nerve injuries. The ulnar nerve was divided into 4 distinct surgical zones, each…”
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Derivation and external validation of the PLASMIC score for rapid assessment of adults with thrombotic microangiopathies: a cohort study by Bendapudi, Pavan K, Dr, Hurwitz, Shelley, PhD, Fry, Ashley, MD, Marques, Marisa B, MD, Waldo, Stephen W, MD, Li, Ang, MD, Sun, Lova, MD, Upadhyay, Vivek, MD, Hamdan, Ayad, MD, Brunner, Andrew M, MD, Gansner, John M, MD, Viswanathan, Srinivas, MD, Kaufman, Richard M, MD, Uhl, Lynne, MD, Stowell, Christopher P, MD, Dzik, Walter H, MD, Makar, Robert S, MD

“…Summary Background Among the syndromes characterised by thrombotic microangiopathy, thrombotic thrombocytopenic purpura is distinguished by a severe deficiency…”
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Opioid epidemics during the pandemic: Further insights to the same story by Ayad, Amany E

“…The limited access to opioids remains a reality in developing countries. Recent evidence suggests that opioid epidemics are getting worse with the COVID-19…”
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Results of primary stent therapy for femoropopliteal peripheral arterial disease at 7 years by Stavroulakis, Konstantinos, MD, Torsello, Giovanni, MD, PhD, Manal, Ayad, MD, Schwindt, Arne, MD, Hericks, Christiane, MA, Stachmann, Arne, MA, Schönefeld, Eva, MD, Bisdas, Theodosios, MD, PhD

“…Abstract Objective Primary stenting is a well-established treatment option for femoropopliteal arterial disease. However, there is a paucity of data concerning…”
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Epidemiology of medications use in pregnancy by Ayad, Martina, MD, Costantine, Maged M., MD

“…Abstract The use of prescribed and over-the-counter medications in pregnancy is on the rise. Many women become pregnant at an older age and with preexisting…”
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Epidermodysplasia verruciformis as a manifestation of ARTEMIS deficiency in a young adult by Tahiat, Azzedine, PharmD, Badran, Yousef R., MD, Chou, Janet, MD, Cangemi, Brittney, BSc, Lefranc, Gerard, PhD, Labgaa, Zakaria-Merouane, MD, Oussalam, Salma, MD, Kaddouri-Slimani, Assia, MD, PhD, Belarbi, Ayad, MD, PhD, Bendissari-Bouzid, Kheira, MD, PhD, Gharnaout, Merzak, MD, PhD, Geha, Raif S., MD, Djidjik, Réda, PharmD, PhD, Massaad, Michel J., PhD

“…Both domains have critical catalytic functions required for resolution of hairpin coding ends during V(D)J recombination, and processing overhangs that occur…”
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Intraventricular sizeable colloid cyst with atypical radiological features: A case report and evidence-based review by Mansour, Moustafa A., Khalil, Dyana F., Hamdi, Abdou, Bayoumi, Mahmoud, El-Salamoni, Mohamed Abdel-Fattah, Elsoulia, Ali, Lasheen, Ahmed A., Kamel, Abdelrahman E., Nawara, Mohamed, Ayad, Ahmad A.

“…Colloid cysts are benign intracranial lesions, typically located in the anterior portion of the third ventricle near the interventricular foramina of Monro…”
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Hepatosplenic Abscess From in Poorly Controlled Diabetic by Chidinma Ejikeme MD, Onyeka Nwachukwu MD, Sarah Ayad MD, Payal Rath MD, Ifunanya Ejikeme Medical Student, Julius Salamera MD

“…Invasive Klebsiella pneumoniae infection and pyogenic liver abscess in patients with underlying diabetes mellitus has been well described over the past 3…”
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