Mutasem Z. Bani-Fwaz

Mutasem Z. Bani-Fwaz
King Khalid University | KKU · Department of Chemistry (College of Science)

Ph.D-Inorganic Chemistry (Graduate of Stuttgart University-2008- by Prof.Dr. Gerd Becker)
physical inorganic/organometallics, bioinorganic, phosphorus and arsenic, metal-metal oxides nanoparticles/applications

About

79
Publications
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Introduction
Research interests include inorganic and organometallic chemistry, physical inorganic chemistry, bioinorganic chemistry, phosphorus, arsenic chemistry, and nanoparticles of metal oxides

Publications

Publications (79)
Article
Flavonoid compounds are a group of polyphenolic molecules that are in vegetables, fruit, and grain. Laboratory studies and epidemiological investigations have indicated diverse beneficial biochemical properties of flavonoids, including anticancer, anti-inflammation, anti-oxidation, and anti-osteoporosis. We have recorded results for the 3-hydroxy-3...
Article
Practical Applications: Numerous technical applications, including as polymer deposition, electrolysis control, medication delivery, spin-stabilized missile cooling and cooling of rotating machinery slices have sparked considerable interest in studying stagnation point flow. Nuclear power plants, photovoltaic panels and heat exchangers as well as m...
Article
For practical purposes, the study of ternary hybrid nanofluid flows near stretching/shrinking surfaces, including heat generation/absorption and velocity slip, has enormous value. It is crucial to understand how fluid mechanics deals with stagnation point flow, which is a common phenomenon in both engineering and scientific domains. In the evaporat...
Article
Natural molecules that possess antibacterial and anticancer activity have received rising interest to be utilized as alternative drug. This compounds have capacity efficacy in the therapy of lung cancer with minimal side effects. Triacetyl resveratrol compound showed good inhibitory activities against some metabolic enzymes with IC50 values of 45.1...
Article
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The heat transmission process is a prominent issue in current technology. It occurs when there is a temperature variation between physical processes. It has several uses in advanced industry and engineering, including power generation and nuclear reactor cooling. This study addresses Maxwell fluid’s steady, two-dimensional boundary layer stream acr...
Article
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Biogenic nanoarchitectured magnetic materials have drawn serious attention throughout the last decade. We have attempted the Helleborus niger flower extract functionalized and templated biogenic synthesis of Cu nanoparticles supported Fe3O4 as a likewise novel material. The plant phytomolecules were deployed as a non-toxic sustainable reductant and...
Article
The flow of air containing small particles past a pointed area of an aircraft, bullet and bonnet of vehicles exhibits the flow over paraboloid surface of revolution. Therefore, the study of Al 2 O 3 -H 2 O nanofluid over upper paraboloid horizontal surface of revolution (UPHSR) is organized. The concerned model develops via thermal conductivity dea...
Article
The progress in new inventions in the modern technological world demands outstanding heat transport. Unfortunately, common solvents are unable to produce such desired amount of heat which compelled the scientists and researchers towards the development of new heat transfer fluids (Nanofluids). Therefore, the study of C 8 H[Formula: see text] with h...
Article
Full-text available
Theoretical analysis of physical characteristics of unsteady, squeezing nanofluid flow is studied. The flow of nanofluid between two plates that placed parallel in a rotating system by keeping the variable physical properties: viscosity and thermal conductivity. It is analyzed by using Navier Stokes Equation, Energy Equation and Concentration equat...
Article
The objective of this paper is to investigate the continuation of Lemaître–Tolman–Bondi (LTB) space-time for dissipative dust configuration in the direction of Palatini f ( R ) theory. In this context, the generalized form of field and dynamical equations will be formulated. We explore the effects of kinematical variables and curvature invariant on...
Article
A new disodium dipotassium cobalt aluminate hexaarsenate Na2K2Co5.5Al(AsO4)6 was synthesized by solid state route at 1193 K. The crystalline structure was determined by X-ray diffraction at room temperature. The new member of β-Xenophyllite material crystallizes in the monoclinic of the C2/m space group with the unit cell parameters: a=10.738(3) Å,...
Article
Full-text available
Copper oxide nanoparticles were successfully synthesized through a simple and ‘green’ route using starch as a capping and stabilizing agent under ultrasonic irradiation in alkaline medium. Unique reaction condition was prepared by ultrasonic irradiation, releasing the stored energy in the collapsed bubbles and heats the bubble contents that leads t...
Article
Full-text available
Gold nanoparticles as one of the productions of the chemistry field have a special place in the cure of many diseases. Many experiences in medicinal researches have indicated that the plants enhance the anticancer effects of gold nanoparticles. According to the above contents, we investigated the capacities of Spinacia oleracea L. leaf aqueous extr...
Article
In this article we report a novel Ag NPs fabricated chitosan-agarose composite functionalized core-shell type Fe3O4 nanoparticle (Ag/[email protected]3O4). The biogenic material was analyzed over a number of physicochemical methods like, FT-IR, FE-SEM, TEM, EDX, XRD, VSM and ICP-OES. In catalytic exploration we aimed the synthesis of diverse 2H-ind...
Article
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Herein, we represent the bio-synthesis of silver nanoparticles (Ag NPs) employing Oak gum as the green template, an efficient natural and non-toxic reductant and stabilizer based on its phytochemicals by using ultrasonic irradiation. The characterization of as-synthesized Ag NPs was performed through Fourier transformed infrared spectroscopy (FT-IR...
Article
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Regarding applicative, facile, green chemical research, a bio-inspired approach is being reported for the sonochemical synthesis of Ag nanoparticles by gelatin as a natural reducing/stabilizing and solid support agent without using any toxic and harmful reagent. The biosynthesized Ag [email protected] bionanocomposite were characterized by advanced...
Article
Full-text available
This work described the one-pot synthesis of apple pectin encapsulated Fe3O4 nanoparticles (Fe3O4/Pectin NPs) which is prepared by co-precipitation of Fe(II/(III) ions in alkaline solution mediated by pectin under ultrasound condition. This process led to formation of magnetic nanoparticles within the network of pectin. Physicochemical characteriza...
Article
Full-text available
Polymeric nanocomposites have been outstanding functional materials and have garnered immense attention as sustainable materials to address multi-disciplinary problems. MXenes have emerged as a newer class of 2D materials that produce metallic conductivity upon interaction with hydrophilic species, and their delamination affords monolayer nanoplate...
Article
The adsorptive removal of copper(II) ions from aqueous solutions were studied using the prepared polyaniline/montmorillonite composite adsorbent. The controlling parameters as: pH, adsorbent dose, ion concentration and temperature were studied. The removal of Cu(II) reached its maximum value at pH 5.5 and the equilibrium adsorption capacity was fou...
Article
Full-text available
The current study involves the novel synthesis of Ag nanoparticles (Ag NPs) decorated biguanidine modified mesoporous silica KIT-5 following post-functionalization approach (KIT-5-bigua-Ag). The tiny Ag NPs were being stabilized over the in situ prepared biguanidine ligand. The high surface area material was characterized using advanced analytical...
Article
5-Pentylresorcinol is a type of the group of resorcinol compounds that is resorcinol in that has hydrogen atom at position 5 is replaced by a pentyl group. It has a role as a lichen metabolite. This compound showed excellent to good inhibitory activities against studied these enzymes with IC50 values of 65.96 µM for urease and 34.81 µM for tyrosina...
Article
Full-text available
Citation: Ali, I.H.; Bani-Fwaz, M.Z.; El-Zahhar, A.A.; Marzouki, R.; Jemmali, M.; Ebraheem, S.M. Gum Arabic-Magnetite Nanocomposite as an Eco-Friendly Adsorbent for Removal of Lead(II) Ions from Aqueous Solutions: Equilibrium, Kinetic and Thermodynamic Studies. Separations 2021, 8, 224. https:// Abstract: In this study, a gum Arabic-magnetite nanoc...
Article
Nickel oxide (NiO) nanoparticles were prepared by thermal decompositions of nickel acetate tetrahydrate and bis(acetylacetonato) nickel(II) complex at 500°C in air atmosphere. The thermal decomposition of nickel acetate tetrahydrate produced NiO and the thermal decomposition of bis(acetylacetonato) nickel(II) complex afforded a metal-metal oxide co...
Article
Nickel oxide (NiO) nanoparticles were prepared by thermal decompositions of nickel acetate tetrahydrate and bis(acetylacetonato) nickel(II) complex at 500°C in air atmosphere. The thermal decomposition of nickel acetate tetrahydrate produced NiO and the thermal decomposition of bis(acetylacetonato) nickel(II) complex afforded a metal-metal oxide co...
Article
Full-text available
Despite the extensive use of carbon steel in all industrial sectors, particularly in the petroleum industry, its low corrosion resistance is an ongoing problem for these industries. In the current work, two malonyl dihydrazide derivatives, namely 2,2’-malonylbis (N-phenylhydrazine-1-carbothiamide (MBC) and N’1, N’3-bis(-2-hydroxybenzylidene) malono...
Article
Full-text available
Chemotherapeutic agents which are the main stay in cancer treatment are toxic with numerous contrary side effects. A number of chemical, physical, and computational techniques were applied to synthesize and elucidate the structural and functional characterization of the new designed bioligands and their metal complexes. Besides, several biological...
Article
This review article focuses on 1λ3-phosphaalkene compounds derived from phosphines containing at least one silicon-phosphorous bond. 1λ3-Phosphaalkene compounds are of high value as they are used to form several phosphorous compounds containing a transition metal and main group elements. In addition to the fact that different kinds of 1λ3-phosphaal...
Article
Full-text available
A new triphosphate TlFeHP3O10 was obtained by the hydrothermal method. It crystallizes in the monoclinic space group C2/c with a=11.994 (5), b= 8.476 (2), c=9.276 (3), β=111.99 (3), V=874.4 (5) and Z=4. The structure was determined by single-crystal X-ray diffraction data collection and provides a clear identification of hydrogen bonds interconnect...
Article
Full-text available
A new triphosphate TlFeHP3O10 was obtained by the hydrothermal method. It crystallizes in the monoclinic space group C2/c with a=11.994 (5), b= 8.476 (2), c=9.276 (3), β=111.99 (3), V=874.4 (5) and Z=4. The structure was determined by single-crystal X-ray diffraction data collection and provides a clear identification of hydrogen bonds interconnect...
Article
This review describes reactions of 1λ³-phosphaalkynes with main group elements. The literature herein covers all known compounds by combined insertions and oligomerization reactions of 1λ³-phosphaalkynes with various halides of groups 13 and 15 that have been structurally characterized by X-ray diffraction techniques. The available 1λ³-phosphaalkyn...
Article
The reaction of tris(trimethylsilyl)phosphine with dimethylaluminum chloride in 1,2-dimethoxyethane (monoglyme) displays an important role as building blocks that results in the production of novel tetramethyl phosphonium dichlorodimethylaluminate and the already known dimer compound (bis(2,2-methoxy-ethanolato-O,O′)-tetramethyl-di-aluminum). The n...
Data
The reaction of tris(trimethylsilyl)phosphine with dimethylaluminum chloride in 1,2-dimethoxyethane (monoglyme) displays an important role as building blocks that results in the production of novel tetramethyl phosphonium dichlorodimethylaluminate and the already known dimer compound (bis(2,2-methoxy-ethanolato-O,O′)-tetramethyl-di-aluminum). The n...
Data
The reaction of tris(trimethylsilyl)phosphine with dimethylaluminum chloride in 1,2-dimethoxyethane (monoglyme) displays an important role as building blocks that results in the production of novel tetramethyl phosphonium dichlorodimethylaluminate and the already known dimer compound (bis(2,2-methoxy-ethanolato-O,O′)-tetramethyl-di-aluminum). The n...
Presentation
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The aim is to teach students the basic mechanisms of inorganic reaction types, such as ligand substitution reactions and the reactions of organometallic compounds, electron transfer reactions. To teach students to use inorganic reaction mechanisms available in the literature to solve chemical problems.
Presentation
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The Isolobal principle is a strategy linking inorganic chemistry with organic chemistry and this principle can be used to predict the properties of bonding in organometallic compounds on one uniform basis. The importance of this principle comes from the importance of using it to plan for building compounds in different aspect. Inorganic chemistry i...
Poster
Full-text available
This work deals with reactions between the kinetically stable 2-tert-butyl-1λ3-phospha-alkyne, tBu-C≡P, and various halodiorganylphosphines (X=Cl, Br). The isolated ionic salts with the 2,4-di-tert-butyl-3,3-diorganyl-1λ3,5λ3-diphospha-3-phosphonia-tricyclo[2.1.0.02,5]pentane cations, [R2C2tBu2P3] (R=ethyl, isopropyl, methyl, phenyl), were charact...
Article
Full-text available
This article summarizes the protonation and complexation equilibrium constants of nicotinic acid (NA) using different analytical techniques and software’s. Additionally, Raman, IR, and NMR spectra were done for nicotinic acid ligand and for its solid complexes with copper(II), cobalt(II) and nickel(II) metal ions.
Article
This discussion article summarizes all protonation and stability constants data found in the literature for nonprotein l -norleucine amino acid and its metal complexes. The results of approximately 18 published articles discussing the protonation and complexation equilibria of l -norleucine using different techniques and software were presented to...
Presentation
Full-text available
The aim of this research is to produce a high-quality phosphonium aluminate salt material, maybe exhibiting different antimicrobial activities and potential applications. All reactions were performed under an inert atmosphere of argon using Schlenk line techniques. Benzene, hexane, toluene and 1,2-dimethoxyethane were refluxed over sodium/benzophen...
Article
The experimental protonation and complex formation equilibrium constants of ligands (ninhydrin (NHN) and glycine (Gly)) with trivalent (iron(III), aluminium(III), and chromium (III)), divalent (copper(II), cobalt(II), nickel(II), strontium(II), manganese(II), and mercury(II)) and monovalent silver(I) metal ions have been in- vestigated at 310.15...
Article
The experimental protonation and complex formation equilibrium constants of levaquin (LFX) with platinum(II) and palladium(II) metal ions have been investigated at 310.15 K in water solutions at ionic strength of I = 0.16 mol·dm− 3 NaNO3 using pH-potentiometric and cyclic voltammetry techniques, and by means of Hyperquad 2008 estimation model progr...
Article
This comment describes the available synthetic routes and some general structural features of unsupported cycloarsoxane compounds. The key synthetic strategies used to prepare this type of compound and the significant roles that they have been employed in after coordination to the metal center are fully discussed. The literature herein covers all k...
Presentation
Full-text available
The isolobal analogy allows to relate and compare organic, inorganic and organometallic compounds on one uniform basis.This principle was published scientifically by Hoffmann and was awarded the Nobel Prize.The importance of this principle comes from the importance of using it to plan for building compounds in organic, inorganic and organometallics...
Presentation
Full-text available
A spectrometer is a device for measuring wavelengths of light over a wide range of the electromagnetic spectrum. It is widely used for spectroscopic analysis of sample materials. Absorbance measurements are always carried out at fixed wavelength.To select the suitable wavelength for analysis, follow the next steps:1. Prepare a standard solution of...
Presentation
Full-text available
Slater’s rules for the prediction of for an electron- Atomic Structure - Electron configurations – Periodic Table Classification.- Chemical Periodicity: the variations in properties of chemical elements as depicted by their position in the periodic table: Ionization energy, electron affinity, electronegativity, metallic character and atomic size.-...
Article
Dichloro[4-(dimethylamino)phenyl]arsine (1) and tris[4-(dimethylamino)phenyl]arsine (2) were synthesized and characterized using single crystal X-ray diffraction studies, NMR spectroscopy, IR spectroscopy and elemental analyses techniques. The X-ray structure analysis of 1 (View the MathML source, triclinic, Z = 4; R1 = 0.0478) revealed two crystal...
Data
Dichloro[4-(dimethylamino)phenyl]arsine (1) and Tris[4-(dimethylamino)phenyl]arsine (2) were synthesized and characterised using single crystal X-ray diffraction studies, NMR spectroscopy, IR spectroscopy and elemental analyses techniques. The X-ray structure analysis of 1 ( , triclinic, Z = 4; R1 = 0.0478) revealed two crystallographically indepen...
Data
Dichloro[4-(dimethylamino)phenyl]arsine (1) and Tris[4-(dimethylamino)phenyl]arsine (2) were synthesized and characterised using single crystal X-ray diffraction studies, NMR spectroscopy, IR spectroscopy and elemental analyses techniques. The X-ray structure analysis of 1 ( , triclinic, Z = 4; R1 = 0.0478) revealed two crystallographically indepen...
Data
Platinum(II) and vanadium(V) solid binary and ternary complexes involving naringin, a flavanone glycoside in found in grapefruit, and some phenolic acids were synthesized and fully characterized using detailed structural and spectroscopic analysis techniques such as IR, NMR, and SEM techniques. The magnetic susceptibility results as well line drawi...
Article
Full-text available
Platinum(II) and vanadium(V) solid binary and ternary complexes involving naringin, a flavanone glycoside in found in grapefruit, and some phenolic acids were synthesized and fully characterized using detailed structural and spectroscopic analysis techniques such as IR, NMR, and SEM techniques. The magnetic susceptibility results as well line drawi...
Article
Dialkyl[1,1-bis(alkylchloroalanyl)organylmethyl]phosphine•dialkylchloroalane(1/1) complexes (1a-1d) were synthesized and fully characterized. In 1a-1d, dative bonding between phosphorus or chlorine as a donor atom and aluminium as an acceptor atom results in a bicyclic system. The ³¹P{¹H} NMR spectra of all compounds dissolved in d6-benzene indicat...
Data
Dialkyl[1,1-bis(alkylchloroalanyl)organylmethyl]phosphine•dialkylchloroalane(1/1) complexes (1a–1d) were synthesized and fully characterized. In 1a–1d, dative bonding between phosphorus or chlorine as a donor atom and aluminum as an acceptor atom results in a bicyclic system. The 31P{1H} NMR spectra of all compounds dissolved in d6-benzene indicate...
Data
Dialkyl[1,1-bis(alkylchloroalanyl)organylmethyl]phosphine•dialkylchloroalane(1/1) complexes (1a–1d) were synthesized and fully characterized. In 1a–1d, dative bonding between phosphorus or chlorine as a donor atom and aluminum as an acceptor atom results in a bicyclic system. The 31P{1H} NMR spectra of all compounds dissolved in d6-benzene indicate...
Data
This work has involved the reaction of kinetically stable 2-tert-buty-lλ3-phospha-alkyne, tBu–C≡P, with dichloro(dialkylamino)arsines, in which the isolated products were characterized by spectroscopic methods; additionally, the results of X-ray structure analyses were confirmed by quantum chemical calculations using Gaussian 98 molecular modeling...
Data
The reactions of various dichloro(dialkylamino)arsines with tert-butyl-phosphaalkyne take quite a different route in that the rather unusual oligocycle 2,4,6-tri-tert-butyl-3-chloro-1-dialkylamino-1λ5σ4,3λ3σ3,5λ3σ2-triphosphabicyclo[2.2.0]hexa-1,5-diene (3) – an ylide with an unusually long P–Cl bond (245.5 pm) – could be isolated.
Data
This work deals with reactions between the kinetically stable 2-tert-butyl-1λ3-phospha-alkyne, tBu-C≡P, and various halodiorganylphosphines (X = Cl, Br). The isolated ionic salts with the 2,4-di-tert-butyl-3,3-diorganyl-1λ3,5λ3-diphospha-3-phosphonia-tricyclo[2.1.0.02,5]pentane cations, [R2C2tBu2P3]⊕ (R = ethyl, isopropyl, methyl, phenyl), were cha...
Data
Novel Phosphonium Salt-1,5-diphospha-3-phosphonia-tricyclo pentane cations [R2P(CtBu)2P2]X, from the reaction of a phospha-alkyne with dialkyl- and diaryl-phosphine halides were synthesized and fully characterized using single crystal X-ray diffraction studies, multi-element NMR spectroscopy, IR spectroscopy and elemental analyses. • The results of...
Article
The experimental protonation and complex formation equilibrium constants of nicotine (NIC) with trivalent (iron (III), and chromium (III)) and divalent (copper (II), and nickel (II)) metal ions have been investigated at 310.15 oK in water solutions at ionic strength of 13.60 g·dm⁻³ NaNO3 using pH-potentiometric and cyclic voltammetry techniques, an...
Article
This work deals with reactions between the kinetically stable 2-tert-butyl-1λ³-phospha-alkyne, tBu-C≡P, and various halodiorganylphosphines (X = Cl, Br). The isolated ionic salts with the 2,4-di-tert-butyl-3,3-diorganyl-1λ³,5λ³-diphospha-3-phosphonia-tricyclo[2.1.0.02,5]pentane cations, [R2C2tBu2P3]⊕ (R = ethyl, isopropyl, methyl, phenyl), were cha...
Presentation
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Review Electronic Spectroscopy Crystal Field Theory Molecular Orbital Theory and Character Tables 1. MO Theory Background 2. Polyatomic Molecules 3. Transition-Metal Complexes and Ligand Field Splitting
Presentation
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The aim of this course is to elucidate the chemical structural of organic compounds using several spectroscopic tools such as IR, UV-Vis, Mass Spectra and 1H, 13C-NMR. Spectroscopy: The study of the interaction of electromagnetic radiation with atoms or molecules to determine their structures. Electromagnetic Radiation: A propagating wave of electr...
Presentation
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The goal of this course is to show the students:Spectroscopic studies and characterization of themolecular structure of the complexes in visibleregion, ultraviolet, infrared, nuclear magneticresonance and magnetic properties. Studies thebehavior of the organometallic compounds oftransition metals as homogeneous and heterogeneouscatalysis in importa...
Presentation
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Inorganic headlines Topics with some Questions and Solutions. Prepare yourself for the entrance exam for the Master Program in Inorganic Chemistry.
Presentation
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The chemical reactivity of 1λ3-phosphaalkynes is similar to that of alkynes and differs from that of nitriles. Therefore, reactions of alkynes with halides of main group elements have to be considered first, e. g.with the corresponding boron(III) and aluminium(III) compounds. With 1λ3-phosphaalkynes, however, subsequent insertion and addition react...
Presentation
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The courseis designed to give advanced ideas on physical and spectroscopic methods in determining the molecular and crystal structures of inorganic compounds.
Presentation
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Several advanced special topics will be introduced in this semester, which may provide useful material to assist students in the future research. The course will begin with the general properties of organometallic complexes followed by several special topics so that students can understand the basic reaction types of organometallic compounds. Homog...
Presentation
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The goal of this course is to show the students the important of symmetry which can be used to predict the electronic structure and the vibrational behavior of molecules.
Presentation
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Metall-Metall-Mehrfachbindungen Inhaltsverzeichnis1. EINLEITUNG 2. Entdeckung und Nachweis von Metall-Metall-Bindungen 3. Bindungskonzepte 4. Die Metall-Metall-Fünffachbindung 5. Literatur
Chapter
The reactions of 1-lamda3-phosphaalkynes with halides of main-group elements very often result in complicated cage compounds. Based on detailed investigations by several co-workers of our group, a general reaction scheme may now be outlined explaining even the formation of rather complicated cage structures. The research of my thesis is based on ea...
Thesis
Die Reaktionen von 1-lamda3-Phosphaalkinen mit den Halogeniden der Hauptgruppenelemente führen sehr häufig zu komplizierten Oligocyclen. Aufgrund vorausgehender, ausführlicher Untersuchungen von Mitgliedern unserer Arbeitsgruppe kann ein allgemeiner Reaktionsmechanismus formuliert werden. Die hier vorliegende Dissertation schließt an frühere Unvers...
Presentation
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The presentation deals with reactions between the kinetically stable 1λ3-phosphaalkynes, tBu C≡P or ad C≡P, and various dialkylaluminium chlorides, halodiorganylphosphines and dichloro(dialkylamino)arsines in order to study the influence of alkyl and aryl groups on reaction routes and molecular structures. The isolated products were characterized b...
Article
The kinetics of the photolytic CO-substitution of Cp'Fe(CO)2SCOR [Cp' = C5H5, ButC5H4, 1,3-Bu2tC5H3; R = Me, But, Ph, 2-(O2N)C6H4, 3-(O2N)C6H4, 4-(O2N)C6H4, 3,5-(O2N)2C6H3] with PPh3 were studied in CH2Cl2 at 0 °C by i.r. spectroscopy. The reactions yielded exclusively the mono-CO-substituted derivatives, Cp'Fe-(CO)(PPh3) SCOR, and were found to fo...
Presentation
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This presentation is designed to give basic ideas on the structures of simple solids -crystal systems - unit cell - Bravais lattices- space groups - X-ray diffractions, and Bragg’s law-diffractometer as well asstructure of crystalline common.
Presentation
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This research describes a new study of the kinetics and mechanism for the photolytic CO-substitution reactions of cyclopentadienyl iron thiocarboxylate complexes, FeCp'(CO)2SCOR, with triphenylphosphine, PPh3. The study proved that only the monosubstituted products, FeCp'(CO)(PPh3)SCOR were obtained using methylene chloride as a solvent at 0°C in t...
Thesis
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Kinetics and Mechanism of Photolytic CO-Substitution Reactions of Cyclopentadienyl Iron Thiocarboxylate Complexes By Mutasem Z. Bani-Fwaz Abstract This research describes a new study of the kinetics and mechanism for the photolytic CO-substitution reactions of cyclopentadienyl iron thiocarboxylate complexes, FeCp'(COhSCOR, with triphenylphosphin...

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Questions (57)
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What does molecular docking analysis in chemistry mean, and what is the study that is related to it?
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Has this been done with current vaccines and do you have links to the research to provide us with?
Double-blind clinical trials for coronavirus COVID 19.
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Happy New Year fills your heart with happiness, Happy New Year to all friends and pioneers of this platform as well as to the whole world, what do you expect the general features of the new year, especially with the pandemic?
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What do you think of this information and does the language of conspiracy exist? Analysts estimated that the revenues that "Pfizer" and "Moderna" could reap from the "Covid-19" vaccine will reach 32 billion dollars in 2021 alone. Pfizer and its German partner Biotech are set to generate nearly $ 19 billion, according to estimates by Morgan Stanley, indicating that the two companies could generate nearly $ 30 billion in vaccine revenues by the end of 2023. Pfizer expects to produce up to 1.3 billion doses of its vaccine in 2021, while Moderna expects to manufacture between 500 million and 1 billion doses.
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What about this stage, have we returned to square one in the face of the epidemic? At a time when the United Kingdom is trying to solve the emerging coronavirus crisis and find mechanisms to distribute vaccines, a new strain of the epidemic was discovered in the country, which is believed to be the cause of the rapid spread of infection in the southeast of England, coinciding with tightening restrictions on millions of people in London.
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The world began to take the vaccine against Corona Covid 19, specifically America, Britain, Russia, and some other countries, so was the problem of Corona Covid 19 resolved by the end of this year, by taking the vaccine?
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With the end of the year, we wish a happy life for everyone and the end of the Corona pandemic soon. When is life expected to return to normal before the Corona pandemic?
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What are we waiting for after the end of the Corona Covid 19 pandemic?
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Do you support closures such as travel and movement in light of the time that prolongs
with this current crisis?
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Do you expect that there are hidden hands that have tampered with viruses to create this current crisis?
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Do you expect that the Corona pandemic creates a new world order?
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Now, 9 vaccines around the world have entered the final stage of testing, while the world is waiting. As for the most prominent vaccines that are currently being worked on, we review them as follows: Russian vaccine. Researchers say that "Sputnik-V" gives initial encouraging results .. It produced an immune response and did not cause side effects. Chinese vaccine. "Sinopharma" will be ready for public use by the end of 2020, according to company statements, and it will be available at a cost of $ 144 for the two doses. French Sanofi Vaccine .. The cost of a potential vaccine dose is less than € 10 The vaccine in the United States. Moderna has priced its experimental vaccine at $ 37 per dose. Pfizer and its partner, BioNTech, have reported sufficient quantities to immunize 50 million Americans The recommended temperature varies from one vaccine to another, and if it is not adhered to, the vaccine will lose its effectiveness, that is, its ability to protect against disease. For example, the Pfizer vaccine, which has shown great effectiveness against the Coronavirus, needs to be kept at a temperature of minus 70 degrees.

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Projects (26)
Archived project
The research aims to measure the effects of climate change on the future of humanity in all respects and how the negative effects of this change can be minimized
Project
English has become the only international language because it is the language of science, AI, computers, and all other branches of knowledge, in addition to being the language of international trade and banking, and diplomacy. The project aims at exploring the impact of English on the competitive linguistic environments, as well as on all other languages.