Mutasem Z. Bani-Fwaz

King Khalid University | KKU · Department of Chemistry (College of Science)

This study has applied the density functional theory (DFT) to calculate the structural, magnetoelectronic, optical, and thermoelectric characteristics of Cs2XMoBr6 (X = Li, Na). The magnetic stability of studied compounds is examined by minimizing their total ground state energies. Also, both compounds exhibit cubic stability by tolerance factor as...

Aluminum alloys have promising characteristics which make them more useful in industrial applications for thermal management and entropy of the fluidic system. Hence, the current research deals with the analysis of entropy and thermal performance of (C2H6O2–H2O)/50:50% saturated by (AA7072/AA7076/Ti6AI4V) alloys. Traditional problem modified using...

The solar industry is increasingly shifting its attention toward lead (Pb)-free inorganic cubic halide perovskite materials due to their outstanding structural, mechanical, electronic, and optoelectronic properties. In our study, we conducted a thorough examination of the structural, mechanical, electronic, and optical properties of Ba3MI3 (M = P,...

This study investigates the structural, electronic, mechanical, and optical properties of the perovskites Mg3AsX3 (X = F, Cl, Br, I) using DFT and SCAPS-1D. The tolerance factor study shows that these materials are thermodynamically stable. Furthermore, the perovskites Mg3AsF3, Mg3AsCl3, Mg3AsBr3, and Mg3AsI3 exhibit direct bandgaps of 3.48, 2.06,...

The novel material halide double perovskites Cs2TlYF6 (Y = Ag, Co) are the potential candidates for thermoelectric and photovoltaic devices. The ground state and temperature dependent electronic transport properties are computed for Cs2TlYF6 (Y = Ag, Co) by utilizing density functional theory as employed within WIEN2k package. The negative energy o...

The structural, electronic, mechanical, and optical properties of lead-free new inorganic halide perovskites of Mg3SbX3 (X = I, Br, Cl, F) have been investigated in detail using DFT calculations in this work. Here, all the compounds exhibit cubic phases with the space group Pm-3m (221). Upon detailed analysis, the Mg3SbI3, Mg3SbBr3, Mg3SbCl3, and M...

In this manuscript, we have developed a model for a graphene-loaded surface plasmon polariton waveguide surrounded by uniaxial chiral and plasma layers. Electromagnetic wave theory is utilized to solve numerical problems. Graphene conductivity is modeled physically using the Kubo formula, described in the “Methodology” section. The characteristic e...

The study of melting thermal process in ternary nanofluidic system (MoS2-SiO2-Au)/H2O near the point of separation is a fascinating research area. The potential applications of SPFs frequently occurs in analytical chemistry, life sciences, and in mechanical engineering etc. Therefore, the current attempt is made towards the development of new terna...

The EPNM (Effective Prandtl Number Model) is a significant single phase nanofluid model developed for γAl 2 O 3 /H 2 O. This model includes up to quadratic nanoparticles concentration factor which contributes potentially in the performance of γAl 2 O 3 /H 2 O. As, the Al 2 O 3 nanoparticles gained much popularity because of their promising properti...

Abstract Applications The study of variety of Newtonian nanofluids subject to various physical model parameters gained much interest of engineers and scientists. Owing to their coolant and absorption characteristics, these broadly found in chemical engineering, biomedical engineering (expansion and contraction of veins and arteries), detection of c...

The study of advanced nanofluids termed as Tetra nanofluid is of potential interest now a days. These fluids are upgraded generation of conventional nano to ternary hybrid nanofluids with outstanding characteristics. Applications of this class frequently occur in applied thermal engineering, nano-lubrication, chemo-therapy, chemical engineering, oi...

The nanofluids extensively contribute to cope the new heat transport challenges facing by the engineering systems and industries including paint, ceramics, chemical, aerodynamics, electronics, and medical sciences, etc. Thus, the innovations in new nanoliquid models can be disregarded in light of broad applications spectrum. Therefore, the current...

Abstract Applications The fins are extended surfaces around different objects to enhance their thermal transmission from the object to the surrounding environment. These are significant for electronics cooling, car radiator, heat exchanging devices, compressors and electric motor etc. Purpose and methodology The main concerns of this study are to...

The significance of nanofluids prepared from different nanoparticles and base solvents for heat transfer applications cannot be sidestepped because of their large scale in applied thermal, chemical and mechanical engineering, etc. Therefore, the current model aims and designed to investigate the heating characteristics of Al 2 O 3 /H 2 O and the ef...

The study of heat transfer problems is of paramount significance due to their wider spectrum of applications specifically in heat engines, insulation, chemical and thermal engineering etc. The formulation of new model completed via enhanced nanofluid properties and under physical parameters and then in-depth mathematical investigation done via nume...

Annular fin is a particular mechanical setup for heat transfer that varies radially and frequently utilize in applied thermal engineering. Addition of annular fin to working apparatus enhance the surface area in contact with surrounding fluid. Other potential areas of fin installation are radiators, power plant heat exchangers and also it plays sig...

Purpose and Methodology: The heat transport investigation in non-Newtonian fluids suspended by distinct sort of nanoparticles is a rich motive in the present time. Therefore, inspired by the physical characteristics of base fluid and ternary nanoparticles (Al2O3-CuO-Cu), a comprehensive analysis conducted over a cylinder with wavy radius with speci...

Tert-butyl-λ3-phosphaalkyne reveals a surprisingly high reactivity versus halides of different main group elements [1-3]. Whereas with phosphorus(III) bromide, 2,4-di-tert-butyl-1,3,5-tribromo-1λ3,3λ3,5λ3-triphosphabicyclo[1.1.1]pentane was formed [1-3]. From the reaction of various chlorodiorganylphosphines ionic compounds with a 2,4-di-tert-butyl...

Applications: Flow-through permeable media have a wide range of applications in biomedical engineering, geophysical fluid dynamics, and recovery and refinement of underground reservoirs and large-scale chemical applications such as filters, catalysts, and adsorbents. Therefore, this study on a nanoliquid in a permeable channel is conducted under ph...

The importance of heat transfer in nanoliquids cannot avoided because it playing crucial role in the applied research fields. The potential area of applications included but restricted to applied thermal, biomedical, mechanical and chemical engineering. Therefore, it is the need of time to introduce new efficient way to enhance the heat transport r...

Significance The study of non-transient heat transport mechanism in mono nano as well as ternary nanofluids attracts the researchers because of their promising heat transport characteristics. Applications of these fluids spread in industrial and various engineering disciplines more specifically in chemical and applied thermal engineering. Due of hu...

Applications: The nanofluids and their upgraded version (ternary and tetra nanofluids) have a very rich thermal mechanism and convinced engineers and industrialist because of their dominant characteristics. These broadly use in chemical, applied thermal, mechanical engineering, and biotechnology. Particularly, heat transfer over a cylindrical surfa...

Applications Newly developed fluids termed as “Nanofluids” and their study in dilating/squeezing channel cannot be disregarded. Such flows under various physical constraints are important for purification purposes and other industrial applications. Purpose and Methodology: This work comprises the modeling and heat transmission ability of TiO2/G in...

Herein, a bio-inspired synthetic method for Ag NP adorned biofunctionalized magnetic nanocomposite has been demonstrated. In the procedure, Mentha longifolia flower extract was employed as a template for the green reduction of immobilized Ag ions to corresponding NPs and subsequent stabilization. The phytochemical modification also facilitated the...

In this study, we have prepared mono-dispersed gold nanoparticles using the aqueous extract of Quince . The effective phytocompounds in the extract carried out the function as both reducing and stabilizing agents in the synthesis of Au NPs. The reduction of Au ³⁺ ions into Au ⁰ NPs was indicated by a visual transform in color from pale yellow to de...

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...

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...

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 evapor...

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...

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...

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...

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 Al2O3-H2O nanofluid over upper paraboloid horizontal surface of revolution (UPHSR) is organized. The concerned model develops via thermal conductivity dealing w...

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 C8H18 with hybridization of [(M...

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...

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...

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...

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,...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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.

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...

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...

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.

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...

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...

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...

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...

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...

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...

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...

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.-...

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...

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...

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...

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...