Wissam Iali's research while affiliated with King Fahd University of Petroleum and Minerals and other places
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Publications (10)
The electrochemical conversion of CO 2 into value-added chemicals is a promising approach for addressing environmental and energy supply problems. In this study, electrochemical CO 2 catalysis to ethanol is achieved using incorporated Cu/Cu x O nanoparticles into nitrogenous porous carbon cuboids. Pyrolysis of the coordinated Cu cations with nitrog...
The photocatalytic activity of TiO2 nanoparticles in aqueous solutions is commonly evaluated by monitoring the rate of methylene blue bleaching and phenols degradation, but both substrates suffer from many drawbacks, e.g., the high capacity of dark adsorption, self-degradation, and photosensitization. Besides, filtration is always required to separ...
This work describes the first report of the known glycosidic constituents β-sitosterol-3-O-β-d-glucoside-6'-palmitate (1), β-sitosterol-3-O-β-d-glucoside (2), momor-cerebroside I (3), phytolacca cerebroside (4), 1,2-di-O-palmitoyl-3-O-(6-sulfoquinovopyranosyl)-glycerol (5), isorhamnetin-3-robinobioside (6), and isorhamnetin-3-rutinoside (7) from th...
Phenylurea-based herbicides have been widely used to control the plant growth. Due to their toxicity, strict regulations to limit their usage have been applied. Developing trace detection protocols of substituted phenylureas has attracted more attention, especially with the availability of a wide range of spectroscopic and analytical techniques. In...
The N-heterocyclic carbene (NHC) iridium(I) complex [IrCl (COD)(IMes)] [IMes=1,3-bis(2,4,6-trimethylphenyl) imidazole-2-ylidene] showed an excellent catalytic activity in the reactions of the aerobic oxidative coupling of thiols into disulfides. The use of oxygen of air as a green oxidant allows the thiols to be quantitatively converted into the co...
The work reports a method for monitoring anthracene radical-mediated oxidation reactions using electron paramagnetic resonance (EPR) spectroscopy. The formation of anthracene dimer product was well-defined using ¹H-NMR and ¹H-¹H correlation spectroscopy (COSY). Unrestricted 3-21G/B3LYP DFT was used to estimate radical hyperfine spacing (hfs), then...
The phytochemical analysis of the butanolic extract from the leaves of date palm of Saudi origin resulted in the isolation of three major constituents, oleanolic acid (1), vanillyl alcohol (2), and β-sitosterol-3-O-β-d-glucoside (3), which had not been isolated from this plant or previously reported. Together, compounds 1 and 2 account for 1.0% of...
A series of three 1,3-propanediyl bridged bis(N-heterocyclic carbene)palladium(II) complexes (Pd-BNH1, Pd-BNH2, and Pd-BNH3), with +I effect order of the N-substituents of the ligand (isopropyl > benzyl > methoxyphenyl), was the subject of a spectroscopic, structural, computational and catalytic investigation. The bis(NHC)PdBr2 complexes were evalu...
Linuron is a commonly used organic herbicide which is used in plant growth control. Due to its potential health concerns, the characterization and monitoring of linuron have been a subject of several studies. In this work, we employed nuclear magnetic resonance (NMR) and Raman spectroscopic techniques supported with the density functional theory (D...
Citations
... [24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40][41][42][43] Recently, the synthesis and characterization of silver/silica nanocomposites (Ag-SiO 2 ) were reported, and based on that Ag/Au-SiO 2 nanocomposites structure and complexes with PA in three different sites were explored by computational tools. 44,45 Metallic silver tends not to react with oxygen. Silver and gold generally don't react with oxygen even at a very high temperature, being noble or inert metals as they are less reactive and placed at the bottom of the reactivity series. ...
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... SERS originates mainly from the electromagnetic enhancement that amplifies Raman scattered emission signals of a given analyte [2]. Nanoparticles with doses from commonly coinage metals [3], in particular silver and gold, which can display localized surface plasmon resonance (LSPR) serve as attractive SERS substrates. On the other hand, the electrochemical (EC) phenomenon is a powerful analytical means to detect the target of interest by employing modified electrode systems that monitor the redox potentials of the molecules to be characterized. ...
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... 1Palladium complexes with heterocyclic ligands were the subject on intensive studies due to their biological activity (Akpunar, et al., 2021;Mansour, et al., 2021). Many researches have been achieved on the palladium complexes with heterocyclic compounds containing nitrogen as a donor atom such as azines, pyridines and their derivatives. ...
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... Therefore, to combat oxidative damage due to ROS, plants have evolved a complex antioxidant system, including both enzymatic and non-enzymatic defenses. In this context, the compost used in this study originates from date palm wastes, which are rich in antioxidants including polyphenols stored by plants in their fruits and leaves [25], which if applied to a barley crop, may promote beneficial effects by reducing potential oxidative threats. Moreover, the decrease in GST and TPx-Q abundances in the roots of barley plants exposed to compost indicates that the date palm waste compost used in this study is not favourable in creating oxidative stress in barley plants. ...
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