Mohammed Ahmed Wahba
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View article: Synergistic optical, dielectric and visible-light photocatalytic enhancement in Mo-modified BaTiO3 nanostructures
Synergistic optical, dielectric and visible-light photocatalytic enhancement in Mo-modified BaTiO3 nanostructures Open
View article: Tailored bimetallic Zn/Ni and Zn/Ag MCM-41 photocatalysts for enhanced visible-light photocatalytic tetracycline degradation
Tailored bimetallic Zn/Ni and Zn/Ag MCM-41 photocatalysts for enhanced visible-light photocatalytic tetracycline degradation Open
Novel bimetallic-doped-MCM-41(Mobil Composition of Matter No. 41) (Zn/Ni-MCM-41 (ZNM)) and (Zn/Ag-MCM-41 (ZAM)) catalysts were synthesized and characterized for their structural, textural, morphological, and optical properties. XRD analysi…
View article: V/Zn Incorporated-MCM-41: Synthesis, Characterization and Visible Light Photocatalytic Activity for Tetracycline Degradation
V/Zn Incorporated-MCM-41: Synthesis, Characterization and Visible Light Photocatalytic Activity for Tetracycline Degradation Open
Water pollution by pharmaceutical pollutants such as antibiotics represents a serious environmental crisis which is rising day by day. So, the development of new efficient visible light photocatalysts has long been imperative to address th…
View article: Molecular Characterization of Newcastle Disease Virus Genotype VII.1.1 from Egyptian Mallard Ducks with Nervous Manifestations
Molecular Characterization of Newcastle Disease Virus Genotype VII.1.1 from Egyptian Mallard Ducks with Nervous Manifestations Open
In Egypt, Newcastle disease virus (NDV) strains of genotype VII are known to be mild in domestic waterfowl and considered reservoirs. This is the first report for the detection of NDV GVII.1.1 from ducks showing severe clinical signs with …
View article: Enhanced optical and antimicrobial activities of mono Zn and bimetallic (Zn, Co), (Zn, Pd) ions modified MCM-41: structural and morphological investigation
Enhanced optical and antimicrobial activities of mono Zn and bimetallic (Zn, Co), (Zn, Pd) ions modified MCM-41: structural and morphological investigation Open
Mono and bimetallic modified MCM-41(Mobil Composition of Matter No. 41): Zn-MCM (ZM), Zn/Co-MCM41 (ZCM), and Zn/Pd-MCM-41 (ZPM) molecular sieves were produced by a surfactant-assisted technique. The structural and textural features were ex…
View article: Chelating Agents Assisted Rapid Synthesis of High Purity BiFeO3: Remarkable Optical, Electrical, and Magnetic Characteristics
Chelating Agents Assisted Rapid Synthesis of High Purity BiFeO3: Remarkable Optical, Electrical, and Magnetic Characteristics Open
In this study, we presented two reliable methods, the sol–gel and autocombustion, to synthesis a high purity BiFeO 3 single phase with low calcination time using glycine as chelating agent. The glycine-autocombustion method produced a high…
View article: Microwave-synthesized ZrO2/ZnO heterostructures: fast and high charge separation solar catalysts for dyes-waste degradation
Microwave-synthesized ZrO2/ZnO heterostructures: fast and high charge separation solar catalysts for dyes-waste degradation Open
In 60 min, microwave-synthesized ZrO 2 /ZnO heterostructures exhibited high and fast sunlight photodegradation efficiencies for 50 ppm Congo red (CR) and 50 ppm methylene blue (MB) pollutants. ZrO 2 /ZnO heterostructures were characterized…
View article: Highly ordered pure and indium-incorporated MCM-41 mesoporous adsorbents: synthesis, characterization and evaluation for dye removal
Highly ordered pure and indium-incorporated MCM-41 mesoporous adsorbents: synthesis, characterization and evaluation for dye removal Open
Highly ordered pure MCM-41 and In-MCM-41 mesoporous adsorbents (with Si/In = 95 (IM0.05) and Si/In = 90 (IM0.1)) were synthesized using the hydrothermal-assisted method. The structural, morphological and texture characteristics were invest…
View article: Hydrothermally Assisted Synthesis of Magnetic Iron Oxide-Chitosan Nanocomposites: Electrical and Biological Evaluation
Hydrothermally Assisted Synthesis of Magnetic Iron Oxide-Chitosan Nanocomposites: Electrical and Biological Evaluation Open
Chitosan-coated-α-Fe2O3 nanocomposites were successfully synthesized by a hydrothermal method via changing the ratio of chitosan (CS) to the iron ion precursor. TEM results showed good homogenous dispersion of α- Fe2O3 nanoparticles inside…
View article: High Stable Al-MCM-41: Structural Characterization and Evaluation for Removal of Methylene Blue from Aqueous Solution
High Stable Al-MCM-41: Structural Characterization and Evaluation for Removal of Methylene Blue from Aqueous Solution Open
View article: Preparation, characterization and Microbicide activities of N'-((3-(hydroxyimino)butan-2-ylidene)-2-(phenylamino)acetohydrazide and its complexes
Preparation, characterization and Microbicide activities of N'-((3-(hydroxyimino)butan-2-ylidene)-2-(phenylamino)acetohydrazide and its complexes Open
A SERIES of thirteen metal complexes was synthesized by reaction a new acetohydrazide oxime ligand with some metal ions (Cu 2+ , Ni 2+ , Co 2+ , Mn 2+ , Fe 3+ , Zn 2+ , Ru 3+ , UO 2 2+ and VO 3 -).The ligand, N'- ((3-(hydroxyimino) butan-2…
View article: Sr-substitution Effects on La-NiO3, Sol-Gel Synthesis, Structural and Electrical Properties
Sr-substitution Effects on La-NiO3, Sol-Gel Synthesis, Structural and Electrical Properties Open
N ORDER to investigate Sr-substitution effects on LaNiO3, LSN, …...properties, thermal analysis, x-ray diffraction, and scanning electron microscopy studies were used to characterize powder samples of La 1-x Sr x NiO 3 , x= 0, 0.3, 0.5, 0.…
View article: Spectroscopic characterization and cytotoxic activity of new metal complexes derived from (1E, N'Z, N'Z)-N',N'-bis(2-hydroxybenzylidene)-2-(naphthalen-1-yloxy) acetohydrazonohydrazide.
Spectroscopic characterization and cytotoxic activity of new metal complexes derived from (1E, N'Z, N'Z)-N',N'-bis(2-hydroxybenzylidene)-2-(naphthalen-1-yloxy) acetohydrazonohydrazide. Open
Spectroscopic (IR, 1H-NMR, UV-visible, mass and ESR spectra) and structural studies of the ligand (1E, N'Z, N'Z)-N', N'-bis (2-hydroxybenzylidene)-2-(naphthalen-1-yloxy) acetohydrazonohydrazide (H2L) and its metal complexes are reported. T…
View article: Synthesis, Characterization, and Anticancer Activity of New Metal Complexes Derived from 2-Hydroxy-3-(hydroxyimino)-4-oxopentan-2-ylidene)benzohydrazide
Synthesis, Characterization, and Anticancer Activity of New Metal Complexes Derived from 2-Hydroxy-3-(hydroxyimino)-4-oxopentan-2-ylidene)benzohydrazide Open
Novel metal(II) complexes derived from 2-hydroxy-N′-((Z)-3-(hydroxyimino)-4-oxopentan-2-ylidene)benzohydrazide ligand (H 2 L) were synthesized and characterized by elemental and thermal analyses (DTA and TGA), IR, UV-VIS, 1 H-NMR, ESR and …