Ahmed M. Abu-Dief

Ahmed M. Abu-Dief
Taibah University · Department of Chemistry

PhD
Associate professor, Chemistry department, College of Science, Taibah University, El-Mandina Al-Monoura

About

185
Publications
161,159
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4,718
Citations
Citations since 2016
136 Research Items
4537 Citations
201620172018201920202021202202004006008001,000
201620172018201920202021202202004006008001,000
201620172018201920202021202202004006008001,000
201620172018201920202021202202004006008001,000
Introduction
Ahmed M. Abu-Dief currently works at the Department of Chemistry, Sohag University. Ahmed does research in Bio-inorganic Chemistry , Physical Chemistry and Material Science. Their current project is 'Development of nano mixed oxides of rare earth metals for photo catalytic degradation of dyes .'
Additional affiliations
December 2018 - present
Sohag University
Position
  • Professor (Associate)

Publications

Publications (185)
Article
In this study, pure cadmium oxide (CdO) nanoparticles as well as a mixed gadolinium oxide (Gd2O3)/CdO nanocomposites with mixing contents (0% ≤ Gd2O3 content ≤ 15%) were synthesized via facile precipitation technique followed by calcined treatment. X-ray diffraction analysis illustrated that all samples have high cubic phase purity and well crystal...
Article
Full-text available
Skin is the largest mechanical barrier against invading pathogens. Following skin injury, the healing process immediately starts to regenerate the damaged tissues and to avoid complications which usually include colonization by pathogenic bacteria leading to fever and sepsis, which further impairs and complicates the healing process. So, there is a...
Article
A new series of un-doped and doped magnetite MIL-53 (Fe) series (MIL-53(Fe)/Fe3O4, MIL-53(Fe)/La-Fe3O4 and MIL-53(Fe)/Gd-Fe3O4) were prepared in one-step via solvothermal method. The investigated nanostructured MOFs were characterized by: Fourier Transform Infrared Spectroscopy (FT-IR) analysis, X-ray diffraction (XRD), Scanning electron microscope...
Article
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Background: The treatment of pneumonia viruses with antiviral drugs produced mild to severe side effects until the immune system worked against the invaded virus. Objective: Therefore, it is crucial to develop an efficient alternative therapy with lower side effects against infection of pneumonia viruses. Methods: We hereby designated a novel dev...
Article
Full-text available
Two tetradentate dibasic chelating Schiff base iron (III) chelates were prepared from the reaction of 2,2′-((1E,1′E)-(1,2-phenylenebis(azanylylidene))bis(methanylylidene))bis(4-bromophenol) (PDBS) and 2,2′-((1E,1′E)-((4-chloro-1,2-phenylene)bis(azanylylidene))-bis(methanylylidene))bis(4-bromophenol) (CPBS) with Fe3+ ions. The prepared complexes wer...
Article
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The corrosion inhibition of transition metal chelates derived from Schiff base ligands was tested for (mild, copper, stainless, aluminum and carbon) steel in various concentrations of (HCl, HNO3 and H2SO4) acidic medium at 25 °C through (weight loss, potentiodynamic polarization, polarization curves, electrochemical impedance spectroscopy (EIS) and...
Book
Full-text available
The treatment of pneumonia viruses with antiviral drugs produced mild to severe side effects until the immune system worked against the invaded virus. Recently, the prevention and treatment of hepatitis C virus (HCV) complications consider as major obstacles to reducing HCV outbreaks worldwide. Therefore, it is crucial to develop a new alternative...
Article
Full-text available
The strategy of this work is mainly concentrated on tuning the performance of CdO nanoparticles (NPs) via Tb2O3 addition. Precipitation method is utilized for the NPs synthesis, where Tb2O3 concentrations were 0%, 5%, 10% and 15%. The prepared samples are examined using different analytical techniques. SEM and TEM results showed that Tb2O3 acted as...
Article
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The interest in magnetic nanostructures exhibiting perpendicular magnetic anisotropy and exchange bias (EB) effect has increased in recent years owing to their applications in a new generation of spintronic devices that combine several functionalities. We present a nanofabrication process used to induce a significant out-of-plane component of the m...
Article
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Some novel imine metal chelates with Cr3+, Mn2+, Fe3+, Co2+, Ni2+, Cu2+, Zn2+, and Cd2+ cations were produced from 2-acetylferrocene and 3-aminophenol. The new acetylferrocene azomethine ligand ((Z)-cyclopenta-1,3-dien-1-yl(2-(1-((3-hydroxyphenyl)imino)ethyl)cyclopenta-2,4-dien-1-yl)iron) and its metal ion chelates were constructed and elucidated u...
Article
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Two new azomethine chelates for Fe3+ ions were prepared from two dibasic tetra‐dentate chelating imine ligands. The studied Schiff base ligands were 2,2'‐((1E,1'E)‐((4‐nitro‐1,2‐phenylene)bis (azanylylidene))bis (methanylylidene))bis(4‐bromophenol) (NABS) and 2,2'‐((1E,1'E)‐((4,5‐dimethyl‐1,2‐phenylene)bis (azanylylidene))bis (methanylylidene))bis(...
Article
Full-text available
Here, we examine the biogenic fabrication of silver nanoparticles (AgNPs) utilizing a simple and environmental friendly method. Silver nanoparticles were synthesized using medicinal plants extracts such as Flamboyant (Delonix regia (DRE)) and Moringa oleifera (MOE). The maximum absorbance (λmax) of UV–Vis. analysis at 442 and 459 nm indicates the f...
Article
Coordination compounds of Ag(I), Cu(II), Ni(II), Fe(III) and VO (II) ions were synthesized from the ligand 2-(((9H-purin-6-yl)imino)methyl)-4-bromophenol (ABS). Microanalysis, magnetic susceptibility, infrared spectroscopy, Ʌm calculation, and thermal analysis were utilized to inspect the structure of the investigated complexes. As per the data col...
Article
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Coronavirus disease (SARS-CoV-2) is a global epidemic. This pandemic, which has been linked to high rates of death, has forced some countries throughout the world to implement complete lockdowns in order to contain the spread of infection. Because of the advent of new corona-virus variants, it is critical to find effective treatments and vaccines t...
Article
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Polyethylene glycol (PEG) is an amphiphilic polymer that has many uses in medical as well as biological applications. Recently, PEG can be used mainly in development of drug delivery systems (DDS) based nanomaterials. PEG characterized with higher solubility, biologically inert and has the ability to escape from immune cells (stealthiness) after sy...
Article
Background Recently, different side effects have been produced after using antiviral drugs before activation of the immune system. Therefore, it is very important to use effective and non-invasive therapy showing fewer side effects when it is used for infected virus treatment. Method Here, in this study, we designated a new device termed a Life Re...
Article
Full-text available
The newly synthesized organometallic acetyl ferrocene imine ligand (HL) was obtained by the direct combination of 2-acetyl ferrocene with 2-aminothiophenol. The electronic and molecular structure of acetyl ferrocene imine ligand (HL) was refined theoretically and the chemical quantum factors were computed. Complexes of the acetyl ferrocene imine li...
Article
Full-text available
Objectives: The use of the antiviral drugs and vaccination against pathogenic viruses induce some disorders and death cases. Therefore, it is urgent to develop an alternative therapy to protect and reduce the virus side effects. Here, in this report we designated a novel device termed as Life Restoration Device (LRD) for viral infectivity reduction...
Article
A series of new bis-hydrazone complexes was obtained from ((N'E,N'''E)-2,2'-(1,3-phenylenebis (oxy))bis(N'-(4,5-di-tert-butyl-2-hydroxybenzylidene)acetohydrazide)) ligand (BS) with Co2+, Cu2+ , Ni2+ and Zn2+ ions. The structural elucidation of such compounds was achieved using elementary examination, spectral and magnetic experiments. Detailed insp...
Article
Full-text available
COVID-19 is an extremely infectious and ubiquitous disease that has put a tremendous burden on the world's healthcare system. Antimicrobial, anticancer, and antiviral properties of silver nanoparticles (AgNPs) are well recognized. AgNPs have been discovered to be a possible antiviral drug that works against a variety of viruses, including COVID-19....
Article
Full-text available
In this study, we look into the biogenic synthesis of (AgNPs) utilizing a simple and environmentally friendly method based on an aqueous extract of Moringa Oleifera (MO). The synthesized MOAgNPs were characterized using a UV–Visible spectrophotometry, X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectra and TEM image which confirmed...
Article
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Background: Statins are the most commonly used drugs for reducing hypercholesterolemia. Unfortunately, statins induced myopathy is a common side effect of statins. Usually represented by fatigue, muscle pain, muscle tenderness, muscle weakness and nocturnal cramping. Curcumin has been proved as anti-inflammatory agent in the inflammatory conditions...
Article
New binuclear complexes were prepared from thiophenyl derivative with both of Cr(III) and Fe(III) ions. The prepared compounds were elucidated analytically to estimate the molar ratios of the complexes which then confirmed by IR, UV–Vis, Mass, TGA, TEM, XRD and EDX tools. The ligand behaved as a neutral tetradentate mode via NNOO donors towards bin...
Article
Full-text available
Recently, the prevention and treatment of hepatitis C virus (HCV) complications consider as major obstacles to reducing HCV outbreaks worldwide. Therefore, it is crucial to develop a new alternative therapy for HCV infection with low cost and low side effects. A smart device termed a Life Restoration Device (LRD) was designated to produce a low pot...
Article
The current research focuses on the treatment of Cr(III), Fe(III) and Cu(II) metal ions with aryl hydrazone ligand named (E)-4-(((diphenylmethylene)hydrazono)methyl)benzene-1,3-diol (DPHB) to afford four novel solid complexes with high yields. Different characterization approaches, including infrared, UV-visible, and NMR spectroscopies, elemental a...
Article
Spinel ferrites have received extended discussions among different ceramic magnetic nanoparticles due to dependence of its physiochemical properties on the fabrication processes and composition. In this context, copper doped cobalt ferrites (Co1-xCuxFe2O4) with different Cu2+ doping content (i.e., 0.0 ≤ x ≤ 0.4) were successfully fabricated via hyd...
Article
Full-text available
Here, we synthesized new thiazole complexes from Cu (II), Fe (III), and Pd (II) ions. Such complexes were characterized to present their chemical formulae, firstly. The octahedral geometry was suggested for the investigated complexes except Pd (II) complex (ARPTPd), which has a square‐planer arrangement. ARPTPd was planned to be used as a catalyst...
Chapter
Recently, there has been an increasing application of engineered magnetic nanoparticles (MNPs) for environmental remediation, especially in water treatment, to secure the public health against the environmental/waterborne diseases. To this context, it is necessary to understand the structure-related mechanisms by which these MNPs interact with vari...
Article
Full-text available
Nano particles are the great arguably used in biomedical fields. Cancer remains a significant public health threat. Due to their simplicity of preparation, its unique optical, stability, electronic, nanostructures, poor bioavailability, sensing and flexibility of detection, gold nanoparticles (AuNPs) are a natural choice for treatment of cancer. Au...
Article
A new thiazole-based ligand was prepared and investigated then used to preparing its Co(II) and Cu(II) complexes. All available analytical (CHN analysis & TGA) and spectral (IR, UV-Vis, ¹ H NMR, Mass, SEM, XRD & EDX) techniques were applied to elucidate the chemical formulae of new compounds. The ligand behaved as a neutral tetradentate towards bin...
Article
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Three novel Pd(II), Cu(II) and Fe(III) complexes were prepared from thiazole ligand through bidentate chelating mode. Alternative spectral and analytical tools were applied to elucidate their structural and molecular formulae. This study was extended to investigate stability and stoichiometry of complexes in solution, using standard methods. In add...
Book
Full-text available
Female infertility affects millions of couples worldwide and is estimated to account for one-third of all cases of infertility. Recently natural products extracted from medical plants are very important in the field of alternative medicine. Glycosides, flavonoids and polyphenols are components of natural molecules have several health benefits such...
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Background and study aims Recently dietary supplements composed from natural products extracted from medicinal herbs have been used for the improvement of sperm quality. This traditional method of treatment is safe, effective and low cost compared with drug treatment. This study will investigate the effectiveness of the Manfort supplement composed...
Article
Full-text available
In this study we are interested in preparing Fe(III), Pd(II) and Cu(II) complexes from new thiazole derivatives. All synthesizes were elaborately elucidated to estimate their molecular and structural formulae which agreed with mononuclear complexes. The square-planer geometry of Pd(II) complex (MATYPd) was the starting point for its use as a hetero...
Article
An alternative sequence of bioactive series, using novel Schiff base derivative (1-Quinolin-8-yliminomethyl-naphthalen-2-ol), was produced (HNQ). Elements analysis, molar conductivity, magnetic moment, IR, 1H NMR, UV-Vis, and TGA were used to define the chemical forms. As a result, an appropriate geometry has been proposed for each complex. The HNQ...
Article
Full-text available
In this research synthesis of silver nanoparticles by a green method is studied. The high importance of silver nanoparticles using extract of Delonix regia (DREAgNs) is due to their unique properties, such as non-expensive, easily available and have application in water treatment. Synthesized silver nanoparticles AgNPs were characterized using UV-V...
Article
The current research focuses on the treatment of Mn(II) Cu(II) and Fe(III) metal ions with 1-(Benzhydrylidene-hydrazonomethyl)-naphthalen-2-ol (aryl hydrazone DHPN) ligand, producing three new solid complexes with substantial yields. In all mononuclear crystalline metal chelates with high thermal stability, different characterization techniques inc...
Article
Nanotechnology provides the means to design and fabricate delivery vehicles capable of overcoming physiologically imposed obstacles and undesirable side effects of systemic drug delivery. This protocol allows maximal targeting effectiveness and therefore enhances therapeutic efficiency. In recent years, mesoporous silica nanoparticles (MSNPs) have...
Article
A novel momonuclear metal chelates were derived from Zn(II), Pd(II), VO(II) and Cr(III) ions with azomethine (BSQ) [BSQ = 4-Bromo-2-(quinolin-8-yliminomethyl)-phenol] ligand. The prepared compounds were subjected to different analytical and spectroscopic techniques as, IR, ¹H NMR, UV–Vis, molar conductivity, magnetic moment and thermogravimetric an...
Article
A novel bioactive series was synthesized from Zn(II), Pd(II), Cr(III) and VO(II) ions with a new Schiff base derivative (HNP) [HNP = 1-(Pyrimidin-2-yliminomethyl)-naphthalen-2-ol]. The proposed structures were defined from elemental analysis, molar conductivity, magnetic moment, IR, ¹H NMR, UV-Vis, and TGA. Based on analytical and spectroscopic dat...
Article
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A series of new complexes derived from Pd(II) ,Cu(II) and Fe(III) ions and thiazole derivative (HL,CPTP), was prepared. Structures of all new compounds were characterized and confirmed using analytical and spectroscopic (IR, UV-Vis and 13C&1H NMR) techniques. All complexes have non-electrolytic nature based on molar conductance measurements. TGA wa...
Article
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An organometallic azomethine ferrocenyl ligand (FCAP) and its transition metal complexes ([M (FCAP)2], where M = VO²⁺, Mn²⁺ cations, and [M (FCAP) (CH3COO⁻ or NO³⁻)], where M = Zn²⁺ and Pd²⁺ cations) were prepared. Their structures were confirmed via various spectral and physicochemical studies performed. The crystallinity of the investigated metal...
Article
New azomethine Schiff base amino acid ligands derived from the condensation reaction of 3– methoxysalicylaldehyde (MS) or 4-diethylaminosalicylaldehyde (DS) with some of α-amino acids (L-phenylalanine (Phe), L-histidine (His), DL-tryptophan (Trp)) and their Fe(II) complexes were prepared. Structures of the synthesized Fe(II) complexes were determin...
Article
Kinetics of substitution reaction of three high spin pyridylmethylene-8-quinolyl iron (II) complexes by CN- ions are studied spectophotometrically in various ratios of aqueous-methanol binary mixtures at 298 ± 0.2 K. Kinetics of the substitution reaction follow the rate law (k2[CN−][complex])on applying of the conditions of the pseudo-first-order....
Article
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Background: The production of healthy sperms from testicular tissues which able to successfully fertilize the mature egg is the main target of the recent studies. Recently dietary supplements composed from multi-natural products extracted from medicinal herbs are used for sperm parameters improvement compared with chemically-based synthesized drugs...
Article
A green synthetic pathway of two mononuclear M(II)-complexes (M = Ni2+, as non-oxy-metal ion and ZrO2+, as an oxy-metal ion, NiLig and ZrOLig, respectively) of imino-naphthalenol sodium sulfonate ligand (H2Lig) was followed. With various physico-chemical tools, their chemical compositions were elucidated. Material-studio package was applied to conf...
Article
Novel bioactive complexes were prepared from Cu(II), Fe(III) and Pd(II) ions with pyrano thiazole derivative (PTP) [2-amino-6-oxo-3-(piperidinylamidino)-4-phenyl-6,7-dihydro-pyrano[2,3-d]-5,7-thiazol]. CHN, FT-IR, UV–Vis, ¹H NMR, ¹³C NMR, molar conductance and TGA results have been used to determine the chemical formulae of new compounds. According...
Book
Novel bioactive series were prepared from the reaction of Cu(II), Fe(III) and Pd(II) ions with some pyrano thiazole derivatives ligands (PTP, MPTP and CPTP) were synthesized. Bi-dentate ligand (PTP, MPTP and CPTP) were synthesized by reaction of (Benzaldehyde, 4-methoxybenzaldehyde or 4-chlorobenzaldehyde) and malononitrile with 2, 4-thiazolidinedi...
Article
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The demand for highly sensitive and selective optical sensors without the need for complex instrumentation and processing has driven the development of novel nanomaterials for optical sensing applications. Nanoparticles have the potential to be used for biosensing in a diversity of fields and could be further developed into multifunctional sens...
Article
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Colorectal cancer (CRC) is the third major cause of morbidity and mortality worldwide. Hence, many strategies and approaches have been widely developed for cancer treatment. This work prepared and evaluated the antitumor activity of 5-Flurouracil (5-Fu) loaded chromium nanoparticles (5-FuCrNPs). The green biosynthesis approach using Harpullia (H) p...
Article
Full-text available
New pharmacologically active complexes were prepared from Pd (II), Fe (III), and Cu (II)ions with 2-amino-6-oxo-3-(piperidinylamidino)-4-(4methoxyphenyl)-6,7-dihydro-pyrano[2,3-d]-5,7thiazol ligand (MPTP). The ligand acted as neutral bidentate with the metals via NH and NH2 groups. FT-IR spectra, CHN-analysis, TGA, UV–Vis, molar conductance and 1H...
Article
Some new transition metal chelates ([M(FSH)2] and [M(FSH) (CH3COO- or NO3-)], where M= Pd2+, VO2+, Mn2+, Zn2+ and cations) incorporating ferrocenyl thiophenol imine ligand (FSH) were prepared. Various spectral and physicochemical studies were performed to elucidate the geometric structure of the investigated compounds. The spectral data of FSH imin...
Article
Full-text available
Fe-Pd magnetic shape memory alloys are of major importance for microsystem applications due to their magnetically-driven large reversible strains under moderate stresses. In this context, we focus on the synthesis of nanostructured Fe70Pd30 shape memory alloy antidot array thin films with different layer thicknesses in the range from 20 nm to 80 nm...
Article
Two novel complexes for Zn2+ and VO2+ ions, were prepared from tridentate dibasic chelating Schiff base ligand. 1-((3,5-di-tert-butyl-2-hydroxybenzylidene)amino)naphthalen-2-ol-5‑sodium sulfonate (DSHN), was the ligand used in this study. Alternative spectral tools were applied to elucidate structural composition of new compounds. Also, geometry op...
Article
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the simultaneous use of an abundant by-product: it not only provides products that benefit both households and industry, but also represents a proactive step towards maintaining our fragile global climate. Therefore, new technologies based on innovative materials and processes need to be built to reduce the disastrous effects of weather disasters a...
Article
Silver is an effective antimicrobial agent with low toxicity, which is important especially in the treatment of burn wounds where transient bacteremia is prevalent. In this research, the green method was employed to synthesis silver nanoparticles (AgNPs). The synthesized AgNPs were characterized using IR, XRD, DLS and UV/Visible Spectrophotometery....
Article
Full-text available
Herein, we report facile procedures for synthesis of a new Schiff base ligand (H2L, 5-Diethylamino-2-({2-[(2-hydroxy-benzylidene)-amino]-phenylimino}-methyl)-phenol) and its Ag(I), Pd(II) and Cu(II) complexes. The structure of the H2L ligand and its metal complexes was proposed based on a wide range of analytical, structural, and spectroscopic tool...
Article
In this study, new N3 tridentate imine ligand, 2,6-diacetylpyridinediphenylhydrazone (DAPH) (L), and its Pd(II), V(IV)O, and Ag(I) complexes were synthesized and characterized via elemental analysis, FT-IR, NMR, molar conductance, and magnetic susceptibility measurements. The obtained data confirmed geometrical structures of Pd(II), Ag(I), and V(IV...