27,257 Result(s)
within
N. Ra**i
Chemistry
Physical Chemistry
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Article
Design, synthesis, characterization, and docking studies of hiherto unkown chlorinated thiazolidine, thiophene, and 2-iminochromene derivatives as protein-like protease inhibitors
The present work details the synthesis of several intriguing nitrogenous heterocycles utilizing a cyano-N-aryl-acetamide-reagent, notably chlorinated thiazolidine, thiophene and 2-iminochromene derivatives. Thus,...
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Article
Harnessing Hydrogen from the Cheese Whey Effluent in Dairy Industry: Aqueous-Phase Reforming of the Model Compound Lactose Using Pt-Ni/Cu-Al Hydrotalcite Catalyst
Cheese whey effluent (CWE) is a byproduct from cheese making industry having a high (50,000–100,000 mg/L) chemical oxygen demand (COD) which makes it mandatory to treat this effluent. Unlike the traditional me...
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Article
Diglycolamic acid coated TiO2 microspheres for efficient uptake of uranium (VI) from aqueous solutions
In this study, we report the facile synthesis of diglycolamic acid (DGA)-coated titanium dioxide (TiO2) microspherical nano-particles (TMP-DGA) for effective extraction of uranium (U(VI)) from aqueous solutions. ...
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Article
Open AccessAggregation behaviour of radiolytically degraded diglycolamide based solvent system
The 0.1 M TODGA + 0.2 M DOHyA/n-DD phase was irradiated to various absorbed dose levels and the extraction behaviour of nitric acid and Nd(III) in the irradiated organic phases were studied. The organic phase was...
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Article
Covalent immobilization of bovine serum albumin on the magnetic chitosan biopolymer for the Cu ions decoration and investigation of its catalytic efficiency
In this work, chitosan was cross-linked with dialdehyde chitosan to stabilize it and also provide aldehyde segments for the further functionalization with bovine serum albumin. Then, the magnetization procedur...
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Article
Multifunctional, energy and environmental applications of calcium magnesium vanadate (Ca5Mg4V6O24) nanoparticles synthesized by solution combustion
Calcium Magnesium Vanadate (Ca5Mg4V6O24–CMV) nanoparticles were prepared using solution combustion method. Structural characterizations confirmed the phase and crystallite size 32 nm and band gap 3.2 eV. Acid Red...
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Article
Enhancing dye-sensitized solar cell performance; optimization of quaternary counterion-based gel polymer electrolyte without changing additives or net-ion composition
A series of novel gel polymer electrolytes (GPEs) was developed for quasi-solid-state dye-sensitized solar cells (DSSCs), to enhance their performance via mixed counterion effect. Here, LiI, CsI, tetrahexylamm...
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Article
Open AccessEvaluation of the environmental and economic scope of an electrocoagulation process for the treatment of wastewater from the instant coffee industry
In this study, an industrial wastewater from instant coffee production was treated by electrocoagulation (EC). The effect of various EC operating parameters, such as electrode type, current density, support el...
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Article
Coefficients of Carbon Dioxide Pressure-Induced Line Shift of Sulfur Dioxide at Room Temperature: The ν1 + ν3 Band
The coefficients of the carbon dioxide pressure-induced line shift of sulfur dioxide in the ν1 + ν3 band with rotational quantum numbers J from 0 to 70 and Ka from 0 to 20 at room temperature were calculated. The...
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Article
Chemical Transport Reactions and Simulation of the Behavior of Various Ceramics in the T-11M Tokamak with Experimental Confirmation on Electrical Porcelain
The chemical vapor transport reactions (CVTRs) occurring in the intrachamber space of the T‑11M tokamak have been studied using elements of protective electrical-insulating ceramics based on electrotechnical p...
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Article
Studying the Absorption Spectra of NNO Isotopologues in the Region of 4200–6500 cm−1
The absorption spectra of seven isotopologues of NNO (14N14N16O, 15N14N16O, 14N15N16O, 14N14N18O, 15N15N16O, 15N15N18O, and 15N14N18O) are studied in the range of 4200–6500 cm−1 with a Bruker FS-125M Fourier spec...
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Article
Voltammetric Assessment of Acetaminophen in Infants Oral Suspension at a CuONPs-MWCNTs Tailored Platinum Disk Electrode
In this effort, an electrochemical sensor using differential pulse voltammetric method for the assessment of antipyretic and analgesic drug, acetaminophen was developed. A platinum disk electrode (PDE) fabrica...
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Article
Kinetically Controlled Acid–Base Interaction of Tetra-4-chloro-tetra-5(5-methyl-2-isopropylphenoxy)phthalocyanine with Nitrogen-Containing Organic Bases
The interaction of the first synthesized tetra-4-chloro-tetra-5(5-methyl-2-isopropylphenoxy)phthalocyanine with pyridine, 2-methylpyridine, morpholine, piperidine, n-butylamine, tert-butylamine, diethylamine, and...
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Article
Synthesis, Structure, and Catalytic Properties of Nanocomposites Based on Palladium, Copper(I) Oxide, and Magnetite Nanoparticles Embedded in a Nanocellulose Matrix
Nanocomposite materials based on palladium, copper(I) oxide, and magnetite nanoparticles embedded in a nanocellulose matrix by precipitation and coprecipitation methods were obtained in situ and ex situ from s...
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Article
Oxidation of the Surface of Polycrystalline Boron
The growth of an oxide film on the surface of polycrystalline β-rhombohedral boron during thermal oxidation in air at temperatures of 400, 500, 600, and 700°C was studied using in situ single-wave ellipsometry...
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Article
Fabrication of Hydrogen Evolution Reaction Electrocatalysts via Pyrolysis of Prussian Blue Based Composites with Polyaniline and Polypyrrole As Matrices
The paper studies the way of fabricating hydrogen evolution reaction (HER) electrocatalysts via pyrolysis of chemically synthesized composites based on conductive polymers (polyaniline, polypyrrole) with Pruss...
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Article
Sorption Capacity of Polyampholytic Hydrogels with Respect to Dyes of Different Origins
The authors study the sorption capacities of polyampholytic hydrogels synthesized by modifying polyacrylamide with ethylenediamine, 1,3-diaminopropane, and 1,4-diaminobutane with respect to dyes of different o...
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Article
Integrated Intensities of the Main Absorption Band of С2HD in the 6530–6627 cm–1 Region
We measured the integral intensities of the rotational lines of the C2HD molecule in the band of the first overtone (2, 0, 0, 0, 0) and the combination tone (1, 0, 1, 0, 1) in the range of P(3)–P(17) and R(0)‒R(3...
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Article
Nature of the Lithium Bond in H3N···LiHal Complexes (Hal = F, Cl, Br) from Quantum Chemical Calculations
Properties of lithium- and hydrogen-bonded complexes formed by ammonia molecules, lithium halides (LiHal, A-complexes), and hydrogen halides (ННal, B-complexes) are aligned using quantum chemical MP2/aug-cc-pV...
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Article
Flexible aerogel composites for the elimination of crystal violet and methyl orange
The application of porous aerogels for dye adsorption has proven to be an effective approach in wastewater treatment. In this study, bio-cellulose aerogels from coconut fibrils were successfully developed via ...
