Results 1 to 10 of about 176,963 (294)

Molecular Design and Dynamic Simulations of Some Novel Antioxidant Lubricant Additives [PDF]

open access: yesJournal of Chemical and Petroleum Engineering, 2021
A quantitative structure-property relationship (QSPR) in-silico study was performed to develop a mathematical model that correlates 2D and 3D descriptors of 37 antioxidant lubricant additives (compounds) with their properties.
Abdulfatai Usman   +3 more
doaj   +1 more source

Quantum Chemical Study of Hydroxychloroquine and Chloroquine Drugs Used as a Treatment of COVID-19 [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2022
Two drugs have been authorized by the Algerian health Ministry to be used in Algeria to treat coronavirus disease 2019 (COVID-19) patients, once is Hydroxychloroquine (HCQ) and the other is Chloroquine (CQ). These drugs have been theoretically studied in
Nadjib Chafai   +3 more
doaj   +1 more source

Bioanalytical and Theoretical Studies of the Spectrophotometrically Investigated Iridium (III)-3-Hydroxy-2-(4-Methoxyphenyl)-4H-Chromen-4-one Complex [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2023
A pioneering approach for the spectrophotometric inquisition of microscale amounts of iridium (III) under aqueous conditions has been explored using a novel benzopyran derivative, 3-hydroxy-2-(4-methoxyphenyl)-4H-chromen-4-one (HMPC) as a ligand, hence ...
Masrat Mohmad   +7 more
doaj   +1 more source

Structural and Thermodynamic Properties oF Cu2ZnSnS4 Material: Theoretical Prediction

open access: yesAnnals of West University of Timisoara: Physics, 2023
The present work aims to investigate the structural and thermodynamic properties of homogenous tetragonal Cu2ZnSnS4 (CZTS) absorber material in Kesterite phase using first-principle calculations based on density functional theory (DFT).
Boutahar L.   +3 more
doaj   +1 more source

Photocatalytic degradation and adsorption of Rhodamin B dye on CdSe and CdS nanoparticles [PDF]

open access: yesشیمی کاربردی روز, 2020
Herein, we study the adsorption and photodegradation of Rhodamin B (RhB) dye on surfaces of CdSe and CdS nanoparticles. First, the nanoparticles were synthesized and characterized.
Mehdi Irani   +3 more
doaj   +1 more source

Magnetocaloric Effect In Full-Heusler Rh2SmIn Compound Based on Rare Earths Using DFT and Monte Carlo Studies

open access: yesAnnals of West University of Timisoara: Physics, 2023
Magnetocaloric refrigeration is an integral part of technology and is under constant investigation. In this regard, the characterization of the magnetocaloric materials used is of major concern.
Koudjeti N.N.   +5 more
doaj   +1 more source

Interaction of atomic hydrogen with monometallic Au(100), Cu(100), Pt(100) surfaces and surface of bimetallic Au@Cu(100), Au@Pt(100) overlayer systems: The role of magnetism [PDF]

open access: yesHydrogen, Fuel Cell & Energy Storage, 2018
The spin-polarized calculations in generalized gradient approximation density–functional theory (GGA–DFT) have been used to show how the existence of second metals can modify the atomic hydrogen adsorption on Au (100), Cu (100), and Pt (100) surfaces ...
Razeih Habibpour, Eslam Kashi
doaj   +1 more source

Ibuprofen and Paracetamol when They Meet: Quantum Theory of Atoms in Molecules Perspective

open access: yesCumhuriyet Science Journal, 2023
Ibuprofen (IBP) and paracetamol (PCM) are widely used and prescribed two drugs for particularly their effects in reducing pain and fever. For enhanced pain relief, combinations of IBP and PCM are considered another option rather than taken each drug ...
Cemal Parlak   +3 more
doaj   +1 more source

Novel Bis-1,3,4-Thiadiazoles Derivatives: Synthesis, Spectroscopic Characterization, DFT Calculations and Evaluation of their Antimicrobial and Antioxidant Activities

open access: yesCumhuriyet Science Journal, 2023
Two new, bis-1,3,4-thiadiazoles derivatives (I and II), were prepared by cyclization reaction of oxalic acid with N-alkyl/allyl thiosemicarbazides and phosphorous oxychloride (POCl3).
Muhammet Çavuş, Şükriye Çakmak
doaj   +1 more source

Reactions of copper(II) bromide with 2,6-diacetylpyridine bis(phenyl-hydrazone) (L)-molecular and crystal structure of L and its mixed-valence complex [CuIIL2][CuI2Br4] [PDF]

open access: yesJournal of the Serbian Chemical Society, 2022
Utilizing X-ray crystallography, the crystal and molecular structures of 2,6-diacetylpyridine bis(phenylhydrazone) (L) were determined. The energetics of the intermolecular interactions in the crystal structure were assessed with computational methods ...
Rodić Marko V.   +8 more
doaj   +1 more source

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