To synthesize silver nanopaticles from leaves extract of Eucalyptus chapmaniana (E. chapmaniana) and test the antimicrobial nanoparticles against different pathogenic bacteria, yeast its toxicity human acute promyelocytic leukemia (HL-60) cell line. Ten milliliter was mixed with 90 mL 0.01 mmol/mL or 0.02 aqueous AgNO3 exposed to sun light for 1 h. A change yellowish reddish brown color observed. Characterization using UV-vis spectrophotometery X-ray diffraction analysis were performed....

The synthesis and characterization of a novel organic corrosion inhibitor (4-(3-mercapto-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-b][1,2,4,5]tetrazin-6-yl)phenol), for mild steel in 1 M hydrochloric acid (HCl) has been successfully reported the first time. evaluated as Hydrochloric solution using electrochemical impedance spectroscopy (EIS), frequency modulation (EFM) measurement techniques. Changes parameters suggested an adsorption onto surface, leading to formation protective films. results...

Corrosion is a major challenge in various industries and can cause significant damage to metal structures. Organic corrosion inhibitors are compounds that used reduce or prevent by forming protective film on surfaces. The present review article focuses natural synthetic organic their classifications, active functional groups, efficiency estimations. Furthermore, previous studies the use of discussed, along with adsorption isotherms mechanisms inhibitors. kinetics modeling also providing...

Abstract The corrosion performance of mild steel (MS) in 1M HCl solution was examined by weight loss (WL), potentiodynamic polarization (PDP), electrochemical impedance spectroscopy (EIS), frequency modulation (EFM), and open circuit potential (OCP) measurements the absence presence nonanedihydrazide. PDP indicated that nonanedihydrazide acts as a mixed inhibitor due to its adsorption on MS surface, exhibiting an inhibition efficiency more than 97%. surface morphology investigation...

There is growing interest in using corrosion inhibitors and protective treatments to limit the degradation of mild steel, leading development numerous Schiff bases as cutting-edge inhibitors. In this study, effectiveness a base, 3-((5-mercapto-1,3,4-thiadiazol-2-yl)imino)indolin-2-one (MTIO), prevent steel HCl was investigated weight loss measurements, potentiodynamic polarization electrochemical impedance spectroscopy techniques, surface characterization. The experimental results showed...

Corrosion is a pervasive problem that impacts the integrity, safety, and longevity of structures, equipment, infrastructure across numerous industries. Traditional corrosion control measures often rely on use toxic, hazardous, environmentally damaging inhibitors, posing significant threat to both human health environment. In recent years, there has been growing interest in development sustainable inhibitors are effective responsible. This review article discusses current state art including...

Abstract This comprehensive review explores the transformative role of nanomaterials in advancing frontier hydrogen energy, specifically realms storage, production, and transport. Focusing on key like metallic nanoparticles, metal–organic frameworks, carbon nanotubes, graphene, article delves into their unique properties. It scrutinizes application elucidating both challenges advantages. The meticulously evaluates diverse strategies employed to overcome limitations traditional storage...

This review article comprehensively examines the diverse facets of interfacial engineering as a transformative approach to advance functional materials. The exploration begins with an insightful Introduction, delving into Background and Significance engineering, Motivation driving research in this field, defined Scope Objectives review. subsequent section, Fundamentals Interfacial Engineering, elucidates core principles, providing detailed Definition Conceptual Framework underscoring...

The antioxidant activity of two synthesized coumarins namely, N-(4,7-dioxo-2- phenyl-1,3-oxazepin-3(2H,4H,7H)-yl)-2-(2-oxo-2H-chromen-4-yloxy)acetamide 5 and N-(4-oxo-2-phenylthiazolidin-3-yl)-2-(2-oxo-2H-chromen-4-yloxy)acetamide 6 were studied with the DPPH, hydrogen peroxide nitric oxide radical methods compared known ascorbic acid. Compounds in a good yield from addition reaction maleic anhydride or mercaptoacetic acid to compound 4, namely...

Corrosion inhibitory effects of new synthesized compound namely 5,5'- ((1Z,1'Z)-(1,4-phenylenebis(methanylylidene))bis(azanylylidene))bis(1,3,4-thiadiazole-2-thiol) (PBB) on mild steel in 1.0 M HCl was investigated at different temperatures using open circuit potential (OCP), potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS). Results showed that PBB inhibited corrosion acid solution indicated the inhibition efficiencies increased with concentration...

The acid corrosion inhibition process of mild steel in 1 M HCl by azelaic dihydrazide has been investigated using electrochemical impedance spectroscopy (EIS), potentiodynamic polarization, open circuit potential (OCP) and frequency modulation (EFM). Azelaic was synthesized, its chemical structure elucidated confirmed spectroscopic techniques (infrared, nuclear magnetic resonance mass spectroscopy). Potentiodynamic polarization studies indicate that is a mixed-type inhibitor. efficiency...

A new coumarin derivative, N,N′-((2E,2′E)-2,2′-(1,4-phenylenebis (methanylylidene))bis(hydrazinecarbonothioyl))bis(2-oxo-2H-chromene-3-carboxamide) PMBH, was synthesized and its chemical structure elucidated confirmed using spectroscopic techniques (Infrared spectroscopy IR, Proton nuclear magnetic resonance, 1H-NMR carbon-13 resonance 13C-NMR). The corrosion inhibition effect of PMBH on mild steel in 1.0 M HCl investigated potential (ECORR), potentiodynamic polarization, electrochemical...

Emergence of resistance by bacterial and fungal stains towards existing antimicrobial agents is one the major problem as well motivation to synthesize a new class possessing potent ac-tivity compared commonly used therapy. Coumarin heterocyclic compound formed from benzene pyrone ring containing oxygen its derivatives are wide awareness because their diverse biological activity clinical applications, they remarkably effective compounds both with respect inhibitory favourable selectivity...

The anticorrosion ability of a synthesized coumarin, namely 2-(coumarin-4-yloxy)acetohydrazide (EFCI), for mild steel (MS) in 1 M hydrochloric acid solution has been studied using weight loss method. effect temperature on the corrosion rate was investigated, and some thermodynamic parameters were calculated. results indicated that inhibition efficiencies enhanced with an increase concentration inhibitor decreased rise temperature. IE value reaches 94.7% at highest used new eco-friendly...

Mild steel is a metal which commonly used in industrials and manufacturing of equipment for most industries round the world. It cheaper cost compared with other metals its durable, hard easy-to-wear physical properties make it major choice manufacture parts. The main problem through uses mild industry resistance against corrosion, especially acidic solutions. This case led to raise maintenance that as result increased costs company. Organic corrosive inhibitors also act green chemicals,...

Metal complexes of (Z)-2-(pyrrolidin-2-ylidene)hydrazinecarbothioamide (L) with Cu(II), Co(II), and Ni(II) chlorides were tested against selected types fungi found to have significant antifungal activities. The free-radical-scavenging ability the metal was determined by their interaction stable free radical 2,2 ′′ -diphenyl-1-picrylhydrazyl, all compounds showed encouraging antioxidant DFT calculations Cu complex performed using molecular structures optimized geometries. Molecular orbital...

1,5-Dimethyl-4-((2-methylbenzylidene)amino)-2-phenyl-1H-pyrazol-3(2H)-one (DMPO) was synthesized to be evaluated as a corrosion inhibitor. The inhibitory effects of DMPO on mild steel in 1.0 M HCl were investigated using electrochemical impedance spectroscopy (EIS), potentiodynamic polarization, open circuit potential (OCP) and frequency modulation (EFM). results showed that inhibited acid solution indicated the inhibition efficiency increased with increasing inhibitor concentration. Changes...

Newly synthesized coumarins 4-((5-mercapto-4-phenyl-4H-1,2,4-triazol-3-yl)-methoxy)-2H-chromen-2-one and 4-((5-(phenylamino)-1,3,4-thiadiazol-2-yl)-methoxy)-2H-chromen-2-one were tested against selected types of fungi showed significant activities. DFT calculations the performed using molecular structures with optimized geometries. Molecular orbital provide a detailed description orbitals, including spatial characteristics, nodal patterns, contributions individual atoms.

Relatively inexpensive, stable Schiff bases, namely 3-((4-hydroxybenzylidene)amino)-2-methylquinazolin-4(3H)-one (BZ3) and 3-((4-(dimethylamino)benzylidene)amino)-2-methylquinazolin-4(3H)-one (BZ4), were employed as highly efficient inhibitors of mild steel corrosion by corrosive acid. The inhibition efficiencies estimated based on weight loss method. Moreover, scanning electron microscopy was used to investigate the mechanism. synthesized bases characterized Fourier transform infrared...