Abdullah M. Asiri

Abdullah M. Asiri
King Abdulaziz University · Department of Chemistry

Professor (Full ) ألاستاذ الدكتور / عبدالله بن محمد عسيري Chemistry Department - faculty of Science - King Abdulaziz University - Jeddah - Saudi Arabia

About

3,048
Publications
706,448
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91,453
Citations
Citations since 2017
1332 Research Items
77604 Citations
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201720182019202020212022202302,0004,0006,0008,00010,00012,00014,000
201720182019202020212022202302,0004,0006,0008,00010,00012,00014,000
Introduction
Abdullah M. Asiri: Received his PhD from University of Wales, College of Cardiff, UK in 1995. He is the Head of the Chemistry Department at King Abdulaziz University since October 2009 and he is the founder and the Director of the Center of Excellence for Advanced Materials Research. He is a Professor of Organic Photochemistry. His research interest covers color chemistry, synthesis of novel photochromic, thermochromic systems, synthesis of novel coloring matters , Materials Chemistry...........
Additional affiliations
January 2011 - present
King Abdulaziz University
Position
  • Head of Department
Description
  • nanomaterials, Photochemistry, Advanced Oxidation catalysis
January 1992 - January 1995
Cardiff University
Position
  • PhD Student
Education
April 1992 - December 1994
Universty of Walles
Field of study
  • Chemistry

Publications

Publications (3,048)
Book
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Full Text can be found on the Link http://www.intechopen.com/books/nanofiber-research-reaching-new-heights
Book
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This " Electrochemical Sensors " book mostly reviews the modem methods and significant elec-trochemical and electroanalytical applications of chemical sensors and biosensors. Chapter of this books are invited and contributed from the experts throughout the world from prominent researchers and scientist in the field sensors in the field of electro-a...
Book
Polymeric and composite materials are in high demand and their continuing development is making our life style more comfortable. This book, ‘New Polymeric Composite Materials – Environmental, Biomedical, Actuator and Fuel Cell Applications’ brings together and broadly explores the latest developments and applications of polymeric and composite mate...
Book
This book Advances in Colloid Science covers a number of up-to-date research advancement and progresses on colloids. It is a promising novel research field that has acknowledged a lot of interest recently. Here, the exciting scientific reports on cutting edge of science and technology associated to facile and economical synthesis, self-assembly, we...
Book
Sodium Alginate-based Nanomaterials for Wastewater Treatment offers detailed coverage of fundamentals and recent advances in sodium alginate-based nanomaterials for wastewater treatment. The book provides a detailed overview of the development and application of nanomaterials-based sodium alginate so that new methods can be put in place for efficie...
Article
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Global climate change is already affecting the environment, as glaciers are receding, ice on rivers and lakes is melting, plant and animal range`s have altering, and trees are blooming early. Therefore, focus has shifted towards sustainable materials. There is a growing desire for materials that have a unique combination of qualities that metals, p...
Article
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Chitosan-bounded copper (chitosan–Cu) was introduced for green synthesis of novel ferrocenated spiropyrrolidine hybrids, namely 3′-(4-.bromobenzoyl)-5′-(4-hydroxybenzyl)-4′-ferrocenylspiro[indoline-3,2′-pyrrolidin]-2-one and 3′-(4-bromobenzoyl)-4′-ferrocenylspiro[indoline-3,2′-pyrrolidin]-2-one, in good yield. A one-pot three-component 1,3-dipolar...
Article
In this study graphitic carbon nitride (g-C3N4 or GCN) and phosphorus doped graphitic carbon nitride (p-g-C3N4 or PCN) were prepared using facile thermal polycondensation method. Phosphorus doping was employed to preserve the non-metallic nature of GCN. The AgCl/PCN/Fe3O4 heterojunction was synthesized using a simple in-situ route. The photocatalyt...
Article
Full-text available
Herein, the detection of aspartic acid by doped Co3O4-ZnO nanorod materials was proposed using differential pulse voltammetry. The nano-composite metal oxide was synthesized by the wet precipitation method in basic media. Aspartic acid is a non-essential amino acid naturally synthesized in the body with lot of health significance, including as a bi...
Article
Full-text available
The poly(vinyl alcohol) (PVA) and starch-based polymeric films with a ratio of 2:8 were prepared using solution casting followed by a solvent evaporation method. Four types of membranes with varied concentrations of grapefruit seed extract (GSE) i.e., 2.5–10 wt% was incorporated in the films. The prepared membranes were assessed for transparency te...
Chapter
In this study, hematite Iron oxide nanoparticles (NPs) have been prepared in large-scale by wet-chemical method using ferric chloride and urea as a starting material in aqueous-alkaline medium. The structural, physical, and optical properties are characterized using FT-IR, UV–vis spectroscopy, Raman spectroscopy, X-ray diffraction, Field-emission s...
Article
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The sol-gel technique was adopted to synthesize the zinc oxide (ZnO) nanoparticles. Nano-sized ZnO particles are embedded in-situ to the poly(vinyl alcohol) (PVA) matrix to form the nanocomposite polymeric membranes. The nanocomposite membranes were fabricated by varying concentration of ZnO nanoparticles of 2.5, 5, and 10 wt.% in the base PVA memb...
Article
Herein, we have investigated the association behavior of bovine serum albumin (BSA) and cetyltrimethylammonium bromide (CTAB) using conductivity method in H2O and H2O + organic mixed solvents at different temperatures. Association phenomenon was detected from the deviation of the conductivity changes with enhancing the surfactant concentration and...
Article
Full-text available
In this study, a selective 4-nitrophenol (4-NP) sensor was developed onto a glassy carbon electrode (GCE) as an electron-sensing substrate, which decorated with sol–gel, prepared Pt nanoparticles- (NPs) embedded polypyrole-carbon black (PPy-CB)/ZnO nanocomposites (NCs) using differential pulse voltammetry. Characterizations of the NCs were performe...
Article
Tubular structures are the base of rational design with the improvement in high-performance and advanced structural applications. One of the biggest challenges of these parts is their complex/superior architectural geometry, therefore, knowledge is required to understand the features of each joint. In recent times, conventional metal tubular joints...
Article
The formation of mixed micelle of tetradecyltrimethylammonium bromide (TTAB) & cetyltrimethylammonium bromide (CTAB) mixture has been carried out in appearance of ceftriaxone sodium trihydrate (CTS) drug having different concentrations over a temperature range of 298.15 to 323.15 K, keeping a break of 5 K. The CMC of pure and mixture of surfactants...
Article
Herein, a facile L-lactic acid electrochemical sensor based on Pt-nanoparticles (NPs)@Chitosan/ZnTiO3 nanocomposites (NCs) coated on a glassy carbon electrode (GCE) is demonstrated. Ultra-sonication method followed by irradiation using an Osram Hg-lamp was applied to prepare [email protected]/ZnTiO3 NCs, and the characterization of prepared NCs was...
Article
Herein, a sensor probe based on differential pulse voltammetric (DPV) electrochemical approach was developed for an efficient detection of hydrogen peroxide (H2O2) in a room conditions. In this approach, flat-polished glassy carbon electrode (GCE) was coated with silver (Ag)-decorated polypyrrole-carbon black/TiO2 ([email protected]/TiO2) nanocompo...
Article
Full-text available
Cobalt-doped cerium oxide (Co–CeO2) was synthesized and wrapped inside alginate (Alg) hydrogel beads (Alg/Co–CeO2). Further, copper nanoparticles (Cu) were grown on Alg/Co–CeO2 beads. Cu decorated Alg/Co–CeO2 composite beads (Cu@Alg/Co–CeO2) were tested as a catalyst for the solar-assisted photodegradation and NaBH4-assisted reduction of organic po...
Article
Present work deals with studies of ninhydrin (N) and phenylalanine (Phe) in cationic gemini micellar system by spectrophotometer under diverge kinetic environments. The results of the current study follow fractional-order in N and first-order in Phe. The study is intensely catalyzed by gemini surfactant (GS) system and rate constants (k ψ) are enri...
Article
Full-text available
In this study, a series of donor–acceptor–donor (D‐A‐D) type small molecules based on the fluorene and diphenylethenyl enamine units, which are distinguished by different acceptors, as holetransporting materials (HTMs) for perovskite solar cells is presented. The incorporation of the malononitrile acceptor units is found to be beneficial for not on...
Article
Electrochemical nitrite (NO2-) reduction is a promising approach for ambient ammonia (NH3) synthesis and simultaneous mitigation of NO2- contaminant in wastewater. Herein, we report Ni nanoparticle supported on molasses-derived carbon sheets ([email protected]) as an earth-abundant electrocatalyst for NO2-to-NH3 conversion. When tested in alkaline...
Article
In recent years, efforts have been made to reduce deforestation to conserve the ecosystem. In the current scenario, agro-cultivated products are used instead of wood for engineering applications. Thus, natural lignocellulosic fibres are used as a reinforcing material and have been extremely attractive to industries and the scientific community duri...
Article
The dual S-scheme ZnIn2S4/BiOCl/FeVO4 heterojunction was synthesized as it can promote carrier separation while enhancing redox capability. The XRD results indicated the synthesis of pure ZnIn2S4, BiOCl, and FeVO4 and the presence of peaks corresponding to these semiconductors in the ternary nanocomposite. The FTIR and XPS investigations confirmed...
Article
Full-text available
Two hole‐transporting materials (HTMs) based on the 10 H , 10'H‐9,9'‐spirobi [acridine] core ( BSA50 and BSA51 ) were synthesized, and their electronic and hole transportation properties were explored. Experimental and theoretical studies show that the presence of rigid 3,6‐dimethoxy‐9H‐carbazole moieties in BSA 50 brings about improved hole mobili...
Article
Two hole‐transporting materials (HTMs) based on the 10 H , 10'H‐9,9'‐spirobi [acridine] core ( BSA50 and BSA51 ) were synthesized, and their electronic and hole transportation properties were explored. Experimental and theoretical studies show that the presence of rigid 3,6‐dimethoxy‐9H‐carbazole moieties in BSA 50 brings about improved hole mobili...
Article
Here, the clouding development of the triton X-100 (TX-100; an uncharged amphiphile) and a biopolymer, sodium alginate (NaAlg) mixture in aq. solutions of sodium salts and also hydrotropic salt media has been investigated by means of the cloud point (CP) estimation method. The study discloses that the CP value of the mixture of TX-100 + NaAlg is de...
Article
An efficient, one pot, multicomponent synthesis of 4-[(1-methyl-1H-pyrrol-2-yl)methylidene]-2-phenyl-1,3-oxazol-5(4H)-one (MPMO) from 1-methylpyrrole-2-carbaldehyde, hippuric acid (N-Benzoylglycine), and NaOAc in acetic anhydride has been developed. The solvatochromic properties viz. Stokes shift, excitation coefficient, and fluorescence quantum yi...
Article
Full-text available
Fabricated multifunctional sensors have the following structure: the flexible transparent conductive sheet as the first electrode, the orange dye as sensitive material and the CNT film as second electrode deposited on the flexible rubber substrate by rubbing-in technology. The samples (ITO/OD/CNT/Rubber) were investigated under the effects of displ...
Article
Full-text available
With the continuous quest of developing hydrogel for cartilage regeneration with superior mechanobiological properties are still becoming a challenge. chitosan (cS) hydrogels are the promising implant materials due to an analogous character of the soft tissue; however, their low mechanical strength and durability together with its lack of integrity...
Article
With the rapid development of X-ray equipment, assessing the patient’s radiation dose has become an important issue. This study uses DoseCal and PCXMC software to estimate the effective dose (ED) for 510 adult patients undergoing abdomen anteroposterior (AP) and chest anteroposterior/posteroanterior (AP/PA) X-ray examinations in Najran, Saudi Arabi...
Article
This study describes the development of mixed micelles between two cationic surfactants of different chain lengths, hexadecyltrimethylammonium bromide (CTAB) and tetradecyltrimethylammonium bromide (TTAB), in an aqueous solution of levofloxacin hemihydrate (LFH). The LFH is, an antibiotic drug, used to treat many bacterial infections. The conductiv...
Article
A series of new bis-adducts, based on 2,1-benzothiazine 2,2-dioxide heterocyclic ring system were prepared. The precursor compound, 1-benzyl-2,1-benzothiazin-4(3H)one 2,2-dioxide was synthesized from methyl anthranilate through multistep reaction. It was reacted with various substituted benzaldehydes in the presence of triethylamine to get the titl...
Article
Crystalline organic compounds, (E)-N-(2-(2-(2-hydroxybenzylidene)hydrazinecarbonyl)-phenyl) benzamide (NHBPB) and (E)-4-chloro-N-(2-(2-(2-hydroxybenzylidene)hydrazine-carbonyl) phenyl)benzene sulfonamide (CNHBP), were prepared through condensation of hydrazide derivatives of N-benzoylated and N-4-chlorobenzenesulfonylated derivatives of anthranilic...
Article
Not just people, but all living species, desire a clean and green environment to live a happy and healthy life. However, in our ever-increasingly congested world, it is quite challenging. Excessive deforestation, factory smoke, various chemical compounds, agricultural chemicals, etc. all pollute our environment severely. Some of its adverse consequ...
Article
Full-text available
This research attempts to find a new approach for the removal of arsenic (As) from drinking water by developing a novel solution. To the author’s knowledge, iron-loaded activated carbons (Fe-AC) have not been previously applied for the removal of As in a synergistic process using ozonation and catalytic ozonation processes. The As was investigated...
Article
Microporous graphitic carbon (mp-C) derived from the pyrolysis of α-, β-, and γ-cyclodextrins exhibited photocatalytic activity in CO2-saturated acetonitrile-water upon irradiation with UV-Vis light and in the presence of triethanolamine, forming H2 (19 μmol h-1) and CO (23 μmol h-1) accompanied by a lesser proportion of CH4 (4 μmol h-1). The most...
Article
Air pollution from the large-scale combustion of fossil fuels has prompted researchers to look for alternatives. A viable alternative to the use of petroleum diesel must be technically possible, commercially viable, environmentally friendly, and affordable. Through a variety of techniques, biodiesel can be produced from renewable and low-grade sour...
Article
Finding new hole-transporting materials (HTMs) suitable for replacing the state-of-the-art spiro-OMeTAD is still challenging. In this work, newly synthesized diarylamine-substituted metal phthalocyanines (MPcs, M = Zn(II) or Cu(II)) functionalized with either linear or branched alkoxy chains are evaluated as HTMs in perovskite solar cells. Both the...
Article
The synthesis of biologically important chromonyl chalcone and pyrazoline derivative, via an impressive as well as an eco-friendly green approach, using LaCl3/nano SiO2 catalyst under solvent-free heating method has been discussed here. In this methodology, chromonyl chalcone prepared from 3-formylchromone and 5-acetylthiobarbituric acid by Claisen...
Article
Herein we report synthesis of ZnO-CuO mixed oxide nanoparticles and their fabrication into nanocomposite with silicon adhesive as a cost-effective humidity sensor with reliable sensitivity and stability. The prepared binary oxides nanoparticles of ZnO-CuO and its silicon adhesive nanocomposites were deposited for relative humidity (RH) and mechanic...
Article
Full-text available
Microwave irradiation is used in this study to synthesize poly (acrylamide-co-2-hydroxyethyl methacrylate)/chitosan (P(AM-co-HEMA)/chitosan) semi-IPN hydrogels, which are synthesized using one-pot polymerization techniques with ammonium persulfate (APS) as an initiator. The first step was to synthesize a (P(AM-co-HEMA) network in a chitosan aqueous...
Article
Sluggish Na⁺-diffusion kinetics and inadequate ion-transport pathways in metal sulfides are one of the dominant bottlenecks for high-efficiency sodium-storage. Introducing hetero-anions into metal sulfides and further exploiting their advanced nanostructures is regarded as an innovative tactic. Herein, taking inspiration from biological systems, a...
Article
Full-text available
The development of a sensitive glucose monitoring system is highly important to protect human lives as high blood-glucose level-related diseases continue to rise globally. In this study, a glucose sensor based on polyaniline-bimetallic oxide (PANI-MnBaO2) was reported. PANI-MnBaO2 was electrochemically synthesized on the glassy carbon electrode (GC...
Article
Full-text available
Cyclin-dependent kinase 6 (CDK6) is linked with a cyclin partner and plays a crucial role in the early stages of cancer development. It is currently a potential drug target for developing therapeutic molecules targeting cancer therapy. Here, we have identified taurine as an inhibitor of CDK6 using combined in silico and experimental studies. We per...
Article
Full-text available
A novel catalytic system based on bimetallic nanoparticles entrapped chitosan hydrogel container (Cu‐Ag/CH, Cu‐Co/CH, Cu‐Ni/CH) was prepared. The developed catalytic system was applied for production of H2 from water and methanol and reduction of 4‐nitrophenol (4‐NP), 3‐nitrophenol, 2‐nitrophenol, 2,6‐dinitrophenol, methylene blue, congo red (CR),...
Article
Full-text available
Herein, a series of new pyrene based hexylcyanoacetate derivatives (HPPC1–HPPC8) with A–π–D–π–D configuration were designed by end-capped modeling of non-fullerene acceptors on the structure of reference compound named dihexyl 3,3'-(pyrene-1,6-diylbis(4,1-phenylene))(2E,2'E)-bis(2-cyanoacrylate) HPPCR. Quantum chemical calculations of HPPCR and HPP...
Article
Full-text available
Four new imidazole-based donor-π-acceptor 2a-2d dyes have been synthesized, and their solvatochromism, aggregation-induced emission (AIE) and mechanofluorochromic (MFC) properties were investigated. The new dyes 2a-2d were designed to have 1,4,5-triphenyl-1H-imidazole as an electron donor (D) and 1-indanone, 1,3-indandione, 2-phenylacetonitrile and...
Article
Full-text available
In this approach, a reliable 2,6-dinitrophenol (2,6-DNP) sensor probe was developed by applying differential pulse voltammetry (DPV) using a glassy carbon electrode (GCE) decorated with a wet-chemically prepared PbO-doped ZnO microstructures’ (MSs) electro-catalyst. The nanomaterial characterizing tools such as FESEM, XPS, XRD, UV-vis., and FTIR we...
Article
Cefixime trihydrate (CMT) has the usages to treat the bacterial infections of urinary tract, throat, ear & tonsils. Herein, the current investigation describes the interaction of CMT with dodecyltrimethylammonium Bromide (DTAB) by means of the conductivity measurement method in H2O and aq. solutions of NaBr, Na2SO4, and Na3PO4. The experiments were...
Article
A new type of nickel doped titanium oxide (Ni-TiO2) coated natural cotton fibers (CF) and Ni-TiO2 wrapped sodium alginate (Alg) hydrogel was developed for the efficient reduction of different contaminants. Ni-TiO2 was prepared by low-temperature method and coated on CF using Alg as a binder and entrapped inside Alg hydrogel. Ni-TiO2 coated CF (Ni-T...
Article
Full-text available
In today’s world, efficiency and margin of safety are prime considerations for any applications. To address such parameters in aerospace or high-tech consumer products, there are still limitations in terms of capabilities from a material perspective. Aluminium 7075 is predominantly used as a combination material in these applications, but it has ma...
Article
In this approach, Ba0.5Sr0.5Fe12-2x(CoHf)xO19 ferrite samples have been successfully prepared using the conventional solid-state method, and single hexagonal crystal structure of the M-type hexaferrite phase have been formed according to the space group No. 194 (P63/mmc). The cation distribution in Ba0.5Sr0.5Fe12-2x(CoHf)xO19 has been defined. The...
Article
In this approach, vanadium pentoxide nanorods (V2O5 NRs) were prepared by utilizing a facile wet-chemical approach (WCA) in an alkaline phase at low temperatures then applied to detect acetylcholine. Various optical techniques, such as Ultra-Violet spectroscopy (UV-Visible), Fourier Transform Infra-red spectroscopy (FTIR), Powder X-ray Diffraction...
Article
Full-text available
More than 1 million illnesses and 70,000 deaths were reported due to novel COVID-19 by the end of the first quarter of 2020. In April 2020, the World Health Organization declared COVID-19 a pandemic. The striking resemblance between COVID-19 and its forerunners SARS and MERS, as well as earlier findings on the impact of meteorological conditions on...
Article
Full-text available
Cellulose is the main component of natural fibers whose content varies greatly depending on the type of plant and its treatment. Therefore, it is necessary to examine the effect of chemical treatment on natural fiber properties. This study successfully extracted the content from Pandan duri (Pandanus tectorius) fiber through alkalization, bleaching...
Article
Full-text available
Inverted planar perovskite solar cells have intrigued great promise in negative hysteresis, simple fabrication process and flexible substrate implementation, in which the shared hole transport materiel is NiOx. However, the low‐temperature solution processing of NiOx film is usually accompanied by defect formation, which deteriorates the perovskite...
Article
Triton X-100 (TX-100 (a nonionic surfactant)) is widely applied to separate proteins from cell membranes while sodium alginate (SA; a biopolymer) has the usages as an ingredient in foods, fertilizers, textiles, pharmaceuticals items, etc. The clouding behaviors of the TX-100 + SA mixture have been investigated in the presence of different alcohol m...
Article
Li-TFSI/t-BP are the most widely employed p-dopants for hole-transporting materials (HTMs) within the state-of-the-art perovskite solar cells (PSCs). The hygroscopicity and migration of these dopants, however, lead to devices with limited stability. To solve this problem, we report here on a diphenyl iodide cation and pentafluorophenyl boric acid a...
Article
Here, a simple method is used for the preparation of calcium alginate-activated carbon composite beads (Alg-ACBDs). These beads were introduced into the different metal salt solutions for decoration with single metal nanoparticle (M⁰) and double metal nanoparticles (M⁰-M⁰). The prepared M⁰/Alg-ACBDs catalysts, such as, Cu⁰/Alg-ACBDs, Ag⁰/Alg-ACBDs,...
Article
The present work describes the synthesis and anticancer activity of new benzimidazole derivatives bearing 1,3,4-oxadiazoles as thymidylate synthase inhibitors. The newly synthesized molecules were confirmed by NMR, mass, FT-IR and...
Article
Full-text available
Here, the voltammetric electrochemical approach was applied to detect uric acid (UA) in a conductive sensing medium (phosphate buffer solution-PBS) by using PbO-doped NiO nanocomposites (NCs)-decorated glassy carbon electrode (GCE) performing as working electrode. The wet-chemically prepared PbO-doped NiO NCs were subjected to characterization by t...
Article
Full-text available
Here, a sensitive voltametric electrochemical sensor probe was fabricated to reliably trace the detection of L-aspartic acid in phosphate-buffered medium using a glassy carbon electrode (GCE) layered with a film of wet-chemically prepared Ag2O-doped ZnO nanosheets (NSs). EDS, FESEM, XPS, and X-ray diffraction analyses were implemented as characteri...
Article
In the present work, an attempt has been made to fabricate hybrid natural fiber composites, consisting of a poly-lactic-acid (PLA) matrix reinforced with jute and sisal fibers, using die molding process. The processing conditions of the hybrid composites, such as heating temperature, compression pressure, and final mold temperature, have been optim...
Article
The present research discusses the incorporation of cobalt (7.5 and 10 wt%) in exfoliated MoS2 nanosheets via hydrothermal route. Phase purity and crystal structure of prepared Co doped MoS2 were confirmed with XRD. To observe the attached functional groups and presence of Mo-O characteristic peak, FTIR was used. Optical properties, surface morphol...