Volume 5 (2023)
Volume 4 (2022)
Volume 3 (2021)
Volume 2 (2020)
Volume 1 (2019)
Number of Articles: 521
![Single crystal X-ray structure analysis and DFT studies of 3-hydroxyl-1,7,7-trimethyl-3-[5-(4-methylphenyl)-1,3,4-oxadiazol-2-yl]bicycle [2.2.1]heptan-2-one](data/ecc/coversheet/931649705584.png)
Single crystal X-ray structure analysis and DFT studies of 3-hydroxyl-1,7,7-trimethyl-3-[5-(4-methylphenyl)-1,3,4-oxadiazol-2-yl]bicycle [2.2.1]heptan-2-one
Volume 4, Issue 8 , August 2022, , Pages 759-767
Abstract
Single crystal X-ray structure analyses of 3-Hydroxyl-1,7,7-trimethyl-3-[5-(4-methyl phenyl)-1,3,4-oxadiazol-2-yl]bicycle [2.2.1] heptan-2-one was performed. In addition, the computational ... Read More
Synthesis and characterization of fast curing polymeric coating for Iraqi oil tank bases
Volume 3, Issue 11 , November 2021, , Pages 831-840
Abstract
The bottom tanks used to store crude oil and derivatives are the most vulnerable to corrosion, because despite the presence of cathodic protection, their contact with corrosive media ... Read More
Investigation of whole blood lead level in urinary tract children patients by effective method based on aqueous standardization using flameless atomic absorption spectrometry
Volume 5, Issue 9 , September 2023, , Pages 852-865
Abstract
This study of evaluation of Graphite Furnace Atomic Absorption Spectrometry GFAAS–Deuterium Background correction for lead determination, and application of this technique to ... Read More
Investigation and analysis of effect of tear phenomenon of hydraulic hoses of road construction machineries on loss and profits of projects
Volume 2, Issue 8 , August 2020, , Pages 895-908
Abstract
This research study aimed at evaluating the effect of tear phenomenon of the hydraulic hoses of the road construction machineries on loss and profits of the projects. One of the important ... Read More
Multiplicative degree-based topological indices and line graph of hex board graph
Volume 2, Issue 11 , November 2020, , Pages 1137-1145
Abstract
Mathematical chemistry is the area of research in mathematics, in which problems of chemistry are solved by utilizing techniques of mathematics. In mathematical chemistry, a number ... Read More
Application and comparison of the catalytic activity of Fe3O4 MNPs, Kaolin and Montmorillonite K10 for the synthesis of indole derivatives
Volume 1, Issue 1 , January and February 2019, , Pages 55-63
Abstract
Synthesis of indole derivatives was investigated and compared to the reaction of phenylhydrazine and ketones in the presence of the heterogeneous catalysts like kaolinite, montmorillonite ... Read More![A computational investigation on the stability and properties of the various isomers of [B7]- anion](data/ecc/coversheet/661574601264.png)
A computational investigation on the stability and properties of the various isomers of [B7]- anion
Volume 2, Issue 1 , January 2020, , Pages 78-86
Abstract
In the present study, the stability of seven and six-membered isomers of B7- anion were considered in the triplet and singlet states at the M062X/6-311+G(d,p) level of the theory. The ... Read More
A note on QSPR analysis of total Zagreb and total Randić İndices of octanes
Volume 3, Issue 2 , February 2021, , Pages 139-145
Abstract
Topological indices are important tools for QSPR researches. Wiener, Zagreb, and Randić indices are pioneers of topological indices as the most used topological indices in view of ... Read More
The differences of serum levels of sFlt-1, PlGF, and sFlt-1/PlGF ratio throughout daytime and nighttime in women with severe preeclampsia at 30-34 weeks of pregnancy: a pilot study
Articles in Press, Accepted Manuscript, Available Online from 22 November 2023
Abstract
Preeclampsia is identifiable by an imbalance of angiogenic factors, which entails elevated levels of sFlt-1 and a reduction of PlGF levels. In addition to disruptions in circadian rhythms, ... Read More
Equilibrium and kinetic modeling studies for the adsorption-desorption of methyl violet 10B onto leather waste
Volume 4, Issue 2 , February 2022, , Pages 175-189
Abstract
In this study, vegetable tanned leather waste of cow (VTLW-C) is used as adsorbent for removing methyl violet 10B dye from aqueous solution. The VTLW-C adsorbent was characterized by ... Read More
Partial purification and characterization of cresolase and catecholase activity of black mulberrys (Morus nigra)
Volume 1, Issue 2 , March and April 2019, , Pages 200-211
Abstract
Polyphenol oxidase from Black mulberrys was extracted and partially purified through (NH4)2SO4 precipitation, dialysis and ion exchange chromatography. P-cresol was the better substrate ... Read More
Cu-metformin grafted on multi walled carbon nanotubes: Preparation and investigation of catalytic activity
Volume 2, Issue 2 , February 2020, , Pages 226-233
Abstract
An efficient and one-pot procedure for the preparation of 1,4-disubstituted 1,2,3-triazoles derivatives from reactions of various aryl azides and different terminal alkynes in the presence ... Read More
The use of topological indices to predict thermodynamic properties of amino acids derivatives
Volume 1, Issue 3 , May and June 2019, , Pages 276-289
Abstract
In the present investigation the applicability of various topological indices are tested for the QSPR study on 80 amino acids derivatives. Relationship between the Randic' (1X), Balaban ... Read More
Effective and convenient synthesis of 2-amino-4H-chromenes promoted by melamine as a recyclable organocatalyst
Volume 3, Issue 4 , April 2021, , Pages 278-290
Abstract
This study focused on the applicability of melamine as a cheap and efficient organocatalyst in the acceleration of the synthesis of 4-aryl-4H-chromenes derivatives. Under the selected ... Read More
MnFe2O4/1-Butyl-3-methylimidazolium hexafluorophosphate modified carbon paste electrode: an amplified food sensor for determination of gallic acid in the presence of ferulic acid as two phenolic antioxidants
Volume 2, Issue 3 , March 2020, , Pages 362-373
Abstract
A MnFe2O4 nanoparticle/1-Butyl-3-methylimidazolium hexafluorophosphate (BMIM-PF6) was incorporated into carbon paste electrode (MnFe2O4/BMIM-PF6/CPE) and used as food electrochemical ... Read More
Supramolecular discotic mesophases containing melamine-core induced by hydrogen-bonding: synthesis and characterization
Volume 4, Issue 5 , May 2022, , Pages 419-424
Abstract
The purpose of the presented research is to develop suitable hydrogen-bonding complimentary chemicals to produce melamine-core supra-molecular discotic liquid crystal (LC) materials ... Read More
Simultaneous determination of dopamine and uric acid using a glassy carbon paste electrode modified with copper- para red complex
Volume 1, Issue 5 , September and October 2019, , Pages 459-469
Abstract
A simple approach based on cyclic voltammetry (CV) was developed for the simultaneous determination of dopamine (DA) and uric acid (UA) in the presence of ascorbic acid (AA) using a ... Read More
Simultaneous determination of levodopa and tryptophan using a modified glassy carbon electrode
Volume 2, Issue 4 , April 2020, , Pages 505-515
Abstract
This work discusses the development of a new sensor for simultaneous determination of levodopa and tryptophan. The proposed sensor was a glassy carbon electrode modified with V2O5 nanoparticles. ... Read More
Synthesis of new derivatives of 1,3,4-thiadiazole and 1,3,4-oxadiazole on cyclic imides and studying their antioxidant
Volume 3, Issue 7 , July 2021, , Pages 508-517
Abstract
The research resulted in the production of new thiadiazole derivatives and oxadiazole derivatives via the reaction of cyclic imides with chloro acetyl chloride at heat condition to ... Read More
New photostabilizers for poly (vinyl chloride) derived from heterocyclic compounds
Volume 4, Issue 6 , June 2022, , Pages 525-543
Abstract
In this work, the photo-stabilization of poly (vinyl chloride) was studied using new compounds such as Schiff base stabilizers derived from heterocyclic compounds, with symbols [I1-I4] ... Read More
The mechanism of proton transfer and tautomerism in barbituric acid: A theoretical study
Volume 1, Issue 6 , November and December 2019, , Pages 582-594
Abstract
Intermolecular proton transfer in barbituric acid (BA) both in the gas phase and in the presence of water molecule was investigated using the B3LYP method with aug-cc-pVDZ basis set. ... Read More
Identification of polyamine compounds and characterization of polyamine oxidase from sheep's brain tissue
Volume 3, Issue 9 , September 2021, , Pages 644-655
Abstract
The study included partially purified of polyamine oxidase (PAO) from sheep's brain tissue by dialysis and ion exchange chromatography using DEAE-cellulose techniques. Isoenzymes (I ... Read More
A review of the chemical, pharmacokinetic, and pharmacological aspects of quercetin
Volume 4, Issue 7 , July 2022, , Pages 645-656
Abstract
Flavonoids, plant-derived phytochemicals, which are abundantly found in various fruits and vegetables, are potent antioxidants because of their ability to trap damaging free radicals. ... Read More![Eccentric connectivity indices of titania nanotubes TiO2[m;n]](data/ecc/coversheet/281584913241.jpg)
Eccentric connectivity indices of titania nanotubes TiO2[m;n]
Volume 2, Issue 6 , June 2020, , Pages 712-721
Abstract
The eccentric connectivity index ECI is a chemical structure descriptor that is currently being used for modeling of biological activities of a chemical compound. This index has been ... Read More
Phytochemical, in vitro and in silico screening of roots of Jasminum auriculatum for antioxidant activity
Volume 4, Issue 8 , August 2022, , Pages 768-777