Abdullah M. Asiri

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

Full Text can be found on the Link http://www.intechopen.com/books/nanofiber-research-reaching-new-heights

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...

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...

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...

Gamma-Hydroxybutyric acid (HBA) has been banned by the Food and Drug Administration (FDA) due to its extensive use in sexual assaults. HBA must be detected in biological media through effective methodologies. This paper evaluated the feasibility of exploiting pristine and Pt-decorated BC2N nanosheets in HBA detection using density functional theory...

Quinazolines represent a class of nitrogen-containing heterocyclics with a broad spectrum of biological applications. Many studies have explored the medicinal qualities of quinazoline derivatives, such as antitumor, antimicrobial, antiviral, anti-inflammatory, antioxidant, and antihyperglycemic effects. The structure-activity relationship of the qu...

Potential‐induced degradation (PID) is a prevalent concern in current commercial photovoltaic technologies, impacting their reliability, with the mechanistic basis for PID in perovskite photovoltaic technologies being poorly understood. Here, we investigate the PID mechanism in perovskite minimodules. Our findings reveal nonuniform degradation in t...

Marine fouling is a widespread problem in the maritime industry, causing significant damage to equipment and vessels. Polybenzoxazine (PBz) is a resin that is both remarkable and captivating, and it has a wide range of sophisticated uses. Due to their distinctive characteristics, benzoxazines have sparked the interest of scholars globally. However,...

An electrochemical nitrite sensor probe is introduced herein using a modified flat glassy carbon electrode (GCE) and SrTiO3 material doped with spherical-shaped gold nanoparticles (Au-NPs) and polypyrrole carbon (PPyC) at a pH of 7.0 in a phosphate buffer solution. The nanocomposites (NCs) containing Au-NPs, PPyC, and SrTiO3 were synthesized by ult...

Water contamination by toxic organic dyes represents a significant global challenge necessitating effective remediation strategies. Due to their high catalytic activity, considerable attention has been gained to metal-based nanocatalysts. Cellulose acetate sheets supported by gold nanoparticles through a reduction method were synthesized. The compo...

Herein, Cu(II)Pcs and Ni(II)Pcs peripherally tetra‐functionalized with 5‐hexylthiophene (HT), 5‐hexyl‐2,2′‐bithiophene (HBT), and tertbutyl groups (TB) are readily synthesized and employed as hole‐transporting materials (HTMs) in mixed‐ion perovskite ([FAPbI 3 ] 0.85 [MAPbBr 3 ] 0.15 ) solar cells, achieving power conversion efficiencies (PCEs) up...

Polymeric bio-composites synthesized via a green approach using natural herbs have fascinating anticoagulant activity due to their eco-friendly and non-toxic behavior towards various physical and chemical actions. Herein, we introduce a simple and eco-friendly approach for the fabrication of a new hybrid type of bio-composite based on sulfated carb...

The photocatalytic degradation technique is one of the suitable ways of dealing with environmental pollutant decontamination. This study demonstrates the ability of graphitic carbon nitride (g-C3N4) nanocomposites containing tellurium (Te) and molybdenum disulfide (MoS2) to photocatalytically destroy organic cationic methylene blue (MB) dye, which...

The C3-symmetry ionic polymer PPyTri has been designed with multi-walled carbon nanotubes (MWCNTs) or graphene nanoplatelets (GNPs) and studied as an ultrasensitive electrochemical sensor for trace Hg(II) detection. The synthesis approach incorporated attaching three pyridinium cationic components with chloride anions to the triazine core. The prec...

A poly(luminol-o-anisidine-o-toluidine) terpolymer was synthesized, characterized, and modified with GNPs and ZnO NPs. The nanocomposites were then examined for their electroactivity and potential use as cationic electrochemical sensors for detecting Sb3+ ions in phosphate buffer on the surface of a glassy carbon electrode (GCE). Among the differen...

Polybenzoxazines (PBz) are advanced thermosetting phenolic resins with many advantages, including producing nontoxic by-products, molecular design !exibility, minimum shrinkage, and low water absorption. Nevertheless, some issues might occur when synthesizing PBz, such as their brittleness, which necessitates the incorporation of some additives, su...

This work proposes a novel approach to producing composite membranes by immobilizing and blending ZnO nanoparticles within a polymer matrix. The focus is investigating how different immobilization techniques impact membrane performance in critical technological applications, including membrane fouling mitigation and photocatalytic degradation. Lab-...

In recent decades, metal‐based drugs have gained considerable attention all over the world because of their enhanced therapeutic potential. The piroxicam analogue, that is, 2‐Benzyl‐4‐hydroxy‐1,1‐dioxo‐1,2‐dihydro‐1λ⁶‐benzo [e][1,2] thiazine‐3‐carboxylic acid pyridin‐2‐yl amide 1 was synthesized and coupled with Mn (II), Co (II), Ni (II), Cu (II) a...

Contamination of drinking water by heavy metals is extremely dangerous to human health. The formation of a quartz crystal microbalance (QCM) sensor for the rapid and portable detection of harmful heavy metals such as arsenic (As) ions in water samples is detailed in this work. Equimolar ratios of safranine (SF) and phenosafranine (Ph) copolymers (P...

The present investigation targets the physical, mechanical, and thermal characteristics of glass fabric‐reinforced vinyl ester/polyester hybrid laminates filled with ferrous, nickel, and tungsten micro‐particles. The metal‐fillers‐glass fabric reinforced vinyl ester/polyester hybrid composites was produced by distributing 1 wt% ferrous, nickel, and...

Magnetic Nanoparticles and Polymer Nanocomposites Fundamentals and Biological, Environmental and Energy Applications Edited by Imran Khan Applied Science and Humanities Section, University Polytechnic, Aligarh Muslim University, Aligarh, India Anish Khan Center of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah, Saudi...

The development of green hydrogen generation technologies is increasingly crucial to meeting the growing energy demand for sustainable and environmentally acceptable resources. Many obstacles in the advancement of electrodes prevented water electrolysis, long thought to be an eco‐friendly method of producing hydrogen gas with no carbon emissions, f...

Meniere's disease is defined by the presence of three essential symptoms: episodic vertigo, tinnitus, and sensorineural hearing loss. The mainstay of its management constitutes lifestyle modification and medical and surgical therapies. Cupping therapy is an ancient treatment that is still widely used especially in the Middle East, Africa, and the U...

In this approach, sensitive development of methanol electrochemical sensor based on Au-nanoparticles decorated polypyrrole carbon with tin dioxide nanocomposites (Au NPs-PPyC-SnO2 NCs) were prepared and deposited onto glassy carbon electrode (GCE) to make sensor probe using PEDOT:PSS polymer as a conducting binder. The newly developed Au NPs-PPyC-S...

Dopant‐free hole transporting materials (HTMs) is significant to the stability of perovskite solar cells (PSCs). Here, we developed a novel star‐shape arylamine HTM, termed Py‐DB, with a pyrene core and carbon‐carbon double bonds as the bridge units. Compared to the reference HTM (termed Py‐C), the extension of the planar conjugation backbone endow...

Dopant‐free hole transporting materials (HTMs) is significant to the stability of perovskite solar cells (PSCs). Here, we developed a novel star‐shape arylamine HTM, termed Py‐DB, with a pyrene core and carbon‐carbon double bonds as the bridge units. Compared to the reference HTM (termed Py‐C), the extension of the planar conjugation backbone endow...

Five 2-phenylacetohydrazide derivatives (BPAH = N′-benzylidene-2-phenylacetohydrazide, HBPAH = N’-(2-hydroxybenzylidene)-2-phenylacetohydrazide), PPAH = 2-phenyl-N′-3-phenylallylideneacetohydrazide, FMPAH = N’-(furan-2-ylmethylene)-2-phenylaceto hydrazide and EPAH = N′-ethylidene-2-phenylacetohydrazide were synthesized by the condensation of 2-phen...

This work describes the fabrication and investigation of semitransparent thermoelectric cells based on composites of p-type bismuth telluride (p-Bi2Te3), n-type bismuth telluride (n-Bi2Te3), p-Bi2Te3-CNTs, n-Bi2Te3-CNTs, graphene and CNTs with silicone adhesive. Cells were fabricated by the screen printing of composites. Technology used for cells f...

In this study, poly(luminol-co-1,8-diaminonaphthalene) (PLim-DAN) was synthesized and subsequently modified with MWCNTs and CeO2 NPs. The synthesized nanocomposites were analyzed using IR, SEM, TEM, and XRD. Furthermore, a comprehensive set of thermal behavior measurements were taken using TGA/DTG analysis. Next, the electroactivity of the develope...

Carbon nanotube–glue composite gel-based surface-type elastic sensors with a cylindrical shape deformable (flexible) metallic body were fabricated for tactile pressure and compressive displacement sensing. The fabrication of the sensors was performed using the rubbing-in technique. The effect of the pressure and the compressive displacement on the...

This journal article critically examines the influence of climate change on agricultural yields and proposes farmer-centric adaptation strategies through a policy-oriented agricultural analysis. The research employs a comprehensive approach, integrating climate science, agricultural economics, and policy studies to assess the multifaceted impacts o...

The purpose of the current work is to explore the interactions between antidepressant drug amitriptyline hydrochloride (AMT, an amphiphilic) and Triton-165 (TX-165, a nonionic surfactant) by applying surface tension, and UV–visible spectroscopy methods. In diverse solvents (aqueous system/50 mmol kg−1 NaCl/500 mmol kg−1 urea), experimental results...

The bioplastic film based on Polyvinyl Alcohol (PVA) for food packaging has been widely developed because of its biodegradable properties and safety. Nanocrystalline cellulose (NCC) is used as filler to improve mechanical strength. This study investigated how adding NCC into PVA films affects the physical, mechanical, and thermal properties. Combin...

In this work, machine learning (ML) models were formulated to predict the batch and column adsorption of Congo red (CR) dye on high-performance polyethyleneimine (PEI) based macroporous monolithic sponge (S100) adsorbent, which was designed using the ice-templating technique. Compared to previous PEI-based adsorbents, the fundamental innovation of...

The functional and robust interactions with a wide range of analytes that poly(ionic liquids) have recently driven research interest in using them for sensing applications. The amalgamation of the unique physiochemical characteristics of ILs and the mechanical properties of polymers, such as strength, stiffness, and toughness, produces an enhanceme...

In recent years, a new class of highly crystalline advanced permeable materials covalent‐organic frameworks (COFs) have garnered a great deal of attention thanks to their remarkable properties, such as their large surface area, highly ordered pores and channels, and controllable crystalline structures. The lower physical stability and electrical co...

The rapid advancement of refined nanostructures and nanotechnologies offers significant potential to boost research activities in hydrogen storage. Recent innovations in hydrogen storage have centered on nanostructured materials, highlighting their effectiveness in molecular hydrogen storage, chemical storage, and as nanoconfined hydride supports....

The nonlinear optical (NLO) insights of triarylpyrazoline‐based (Z)‐2‐(2‐((7‐(4‐(5‐[2,4‐dimethylphenyl]‐1‐phenyl‐4,5‐dihydro‐1H‐pyrazol‐3‐yl)phenyl)‐4,4,9,9‐tetramethyl‐4,4a,9,10a‐tetrahydro‐s‐indaceno[1,2‐b:5,6‐b′]dithiophen‐2‐yl)methylene)‐3‐oxo‐2,3‐dihydro‐1H‐inden‐1‐yl)malononitrile ( PR ) and its derivatives P1 – P7 were explored in this study...

aSIRI cv UPDATED OCTOBER 10 2023

The multiwalled carbon nanotubes-p-Bi2Te3-cotton textile composite based flexible thermoelectric cells have been designed, fabricated, and characterized for sensing temperature gradient. These cells were fabricated by rubbing-in technology. The textile sheet played the role of substrate as well. The Seebeck coefficient, thermoelectric short-circuit...

A two-step in situ chemical polymerization approach that involved the simple in-situ oxidative polymerization of (ANI-co-Py) as a copolymer on NF nanoparticle NPs, followed by the succeeding in-situ oxidative polymerization of ANI-rGO on the P(ANI-co-Py)/NF core–shell structure, has successfully obtained a shell of polyaniline (PANI)- reduced graph...

The aggregation behaviour of organic dyes and their application to produce mixed micelles with surfactants has received not much study. The critical micelle concentration (CMC) of mixed micelle was obtained by the mixture of sunset yellow (SSY) and hexadecyltrimethylammonium chloride (CTAC)/ sodium tetradecyl sulphate (STS) in an aqueous media usin...

Renewable energy sources offer greater reliability and resilience compared to traditional sources. Biodiesel, derived from renewable resources that absorb carbon dioxide during growth and production, boasts a significantly lower carbon footprint than petroleum-based diesel fuel. Heterojunction photocatalysts have emerged as a promising solution for...

Diabetes is a chronic metabolic disorder of the endocrine system characterized by persistent hyperglycemia appears due to the deficiency or ineffective use of insulin. The glucose level of diabetic patients increases after every meal and medically recommended drugs are used to control hyperglycemia. Alpha-glucosidase inhibitors are used as antidiab...

Optimized surface-type impedimetric and capacitive proximity sensors have been fabricated on paper substrates by using rubbing-in technology. The orange dye (OD) and silicone glue (SG) composite-gel films were deposited on the zig-zag gap between two aluminum electrodes fixed on a paper (dielectric) substrate. The effect of proximity of various obj...

In the 21st century, the burning of fossil fuels to meet the ever-increasing demands of global energy has become a serious challenge due to the excessive production of greenhouse gases. Excess amounts of greenhouse gases, mainly CO2, trap additional heat in the atmosphere, causing global warming. By efficiently converting CO2 into renewable value-a...

The synthesis of Polypyrrole (PPy)/TiO2/ZnO composites involved a chemical oxidative polymerization process, wherein the addition of TiO2/ZnO was varied from 1 to 10 wt%. The composites' photocatalytic capabilities, supercapacitor performance, and potential use as a nitrite sensor were thoroughly assessed, alongside investigations into their photol...

A monolayer anthracene-like nanostructure was investigated through Monte Carlo simulations to determine its compensation temperature and magnetic hysteresis cycle. Also, the effects of exchange coupling on compensation and transition temperatures were discussed. Additionally, the magnetic hysteresis cycles and magnetic coercive field as well as the...

The Monte Carlo simulations under the Metropolis algorithm were used to simulate the magnetization plateau of the mixed (σ−7/2, S−1) Stanene-like nanostructures at extremely low temperatures. The aim of this study is to discuss and analyze the behavior of the five magnetization plateaus and their critical and saturation fields under the influence o...

Plant cellulose fibers are a biodegradable and acceptable alternative for fabricating balanced-strength polymer laminate components due to their higher specific strength, eco-friendliness, and renewable nature. The target of the present investigation is to manufacture banana-boron nitride-carbon fabric and coir-multi walled carbon nanotubes-Innegra...

In the present investigation, the chemically treated and untreated sisal/hemp fibers, fly ash or titanium carbide (TiC) nanofillers, and Kevlar fabrics reinforced bio epoxy (Sr 56) polymer matrix were manufactured using the wet layup method. Experimentation was performed to study the physical, mechanical and thermal properties. This investigation a...

Due to the growing discrepancy between energy production and consumption, many nations are shifting their focus to biodiesel. The use of biodiesel as an appealing alternative fuel has been authorized. The production of biodiesel involves a reaction known as transesterification, in which animal fats and vegetable oils are mixed with alcohol in the p...

Context: In this work, a series of heterocyclic alkenes were prepared by the reaction of 2-hydroxy-1-naphthaldehyde with various heterocyclic active methylene compounds via Knoevenagel condensation reaction using mesoporous silica, MCM 41, supported perchloric acid as an efficient green catalytic system under solvent-free conditions. A comparative...

Polybenzoxazine (PBz) is an excellent and highly intriguing resin for various sophisticated uses. Benzoxazines have piqued the curiosity of academics worldwide because of their peculiar properties. Nonetheless, most benzoxazine resin manufacturing and processing methods, notably bisphenol A- based benzoxazine, rely on petroleum resources. Because o...

Because of their peculiar two‐dimensional layered microstructure, the existence of numerous functionalities on the surface and excellent electrical, thermal and optical features, MXenes are regarded as promising candidates for solving energy and environment related problems. It is noted that energy conversion and storge capability of MXenes could b...

Pectin, a biological macromolecule doped zirconium (IV) Phosphate is reported as novel class of ion exchanger i.e., biopolymer hybrid macromolecule which has been characterized by few physico-chemical characterization techniques such as FTIR analysis, SEM study, UV-vis spectrophotometry and elemental analysis. Its method of synthesis along with ion...

Polymeric rubber and organic semiconductor H2Pc-CNT-composite-based surface- and sandwich-type shockproof deformable infrared radiation (IR) sensors were fabricated using a rubbing-in technique. CNT and CNT-H2Pc (30:70 wt.%) composite layers were deposited on a polymeric rubber substrate as electrodes and active layers, respectively. Under the effe...

This article highlights novel prospects for metal–organic frameworks (MOFs) in heterogeneous catalysis as having frustrated Lewis acid‐base pairs (FLPs) or as bifunctional acid‐base solid catalysts able to activate molecular hydrogen. Starting from the extensive application MOFs as Lewis acid and Lewis base catalysts, this article uses catalytic hy...