Volume 5 (2023)
Volume 4 (2022)
Volume 3 (2021)
Volume 2 (2020)
Volume 1 (2019)
Main Subjects = Chemical
Number of Articles: 307
Synthesis, characterization and evaluation of 5-alkylidene meldrum’s acid derivatives as multifunction lubricating oil additives
Volume 3, Issue 9 , September 2021, , Pages 598-605
Abstract
A series of 5-alkylidene Meldrum's acid derivatives were prepared by Knovenagel condensation of Meldrum's acid with different aldehydes in the presence of pipridin as a catalyst. The ... Read More
Hydrothermal synthesis and characterization of zinc sulfide nanoparticles
Volume 3, Issue 9 , September 2021, , Pages 606-613
Abstract
Zinc sulfide NPs are well-known as excellent photo catalyst because of their unique optical properties such as band gap energy, retention time, the high light absorption, electron-hole ... Read More
Assessment of serum afamin in patients with preeclampsia at third trimester
Volume 3, Issue 9 , September 2021, , Pages 622-626
Abstract
Preeclampsia (PE) is a multisystem disorder associated with pregnancy. It is accompanied by a ten percent global neonatal and perinatal mortality rate. Human afamin (AFM) is a glycoprotein ... Read More
Fabrication a composite carbon paste electrodes (CPEs) modified with multi-wall carbon nano-tubes (MWCNTs/N, N-Bis (salicyliden)-1,3-propandiamine) for determination of lanthanum (III)
Volume 3, Issue 9 , September 2021, , Pages 627-634
Abstract
In this work, we introduced the fabrication of a novel modified Carbon Paste Electrode (CPE) for the determination of Lanthanum ion based on Multi-Walled carbon nanotubes. The CPE combination ... 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
Post corona: Chemicals, environmental factors, and public health
Volume 3, Issue 8 , August 2021, , Pages 526-532
Abstract
Nowadays that some countries are applying exit plans from corona restriction rules, the role of environmental health will become clear. The COVID-19 pandemic is driving the demand for ... Read More
Synthesis of pyranopyrazole and pyranopyrimidine derivatives using magnesium oxide nanoparticles and evaluation as corrosion inhibitors for lubricants
Volume 3, Issue 8 , August 2021, , Pages 533-541
Abstract
A three-component, one pot reaction was used to synthesize different pyranopyrazole, tetrahydrochromene, and pyranopyrimidine derivatives using magnesium oxide nanoparticles with a ... Read More
Investigation of heavy metal accumulation in mung bean (Vigna radiate) through inductively coupled plasma optical emission spectroscopy
Volume 3, Issue 8 , August 2021, , Pages 542-550
Abstract
Although mung bean is cultivated for its nutritional crop in a different region of Ethiopia through irrigation, its production is hindered by excess accumulation of heavy metals in ... Read More
Novel electrochemical sensing platform for caffeine using three dimensional NiO nanowrinkles modified glassy carbon electrode
Volume 3, Issue 8 , August 2021, , Pages 551-558
Abstract
We addressed electrochemical behaviors of caffeine at the modified sensor (three dimensional NiO nanowrinkles modified glassy carbon electrode (3D NiO NWs/GCE)) in an aqueous medium ... Read More
The functional monomers allyl chloride and acrylamide were used to determine lead using atomic absorption spectroscopy based on molecularly imprinted solid-phase
Volume 3, Issue 8 , August 2021, , Pages 559-571
Abstract
To determine the lead ion, a novel method with high sensitivity, low cost, and high stability was developed. To fabricate a monolithic solid-phase micro extraction (SPME) fiber, this ... Read More
New sensitive turbidimetric method for determination of losartan potassium in pharmaceutical formulations using flow injection combined with homemade turbidimeter
Volume 3, Issue 8 , August 2021, , Pages 572-583
Abstract
This paper is describing a rapid and sensitive method for determination of Losartan potassium (LOS-K) in pure and drug forms. The method is based on the reaction of LOS-K with potassium ... Read More
Synthesis of C- glycoside analogs containing thiouracil derivatives and evaluated as antibacterial, antifungal and antioxidant activities
Volume 3, Issue 8 , August 2021, , Pages 584-589
Abstract
This work focused on the synthesis of C-glycoside that contained thiouracil unite, which were synthesized from glucon-2-carbothioate thiouracil derivatives [C1-C4] via reaction of gluconic ... Read More
Role of pyridazine analogs as acetylcholinesterase inhibitor: An approach for management of alzheimer’s disease
Volume 3, Issue 7 , July 2021, , Pages 435-442
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder causing failure of cognitive aptitude and performance irregularities, resulting in degradation of cerebral and psychological ... Read More
Effect of magnetic field on the preparation of Cu doped zinc oxide nanostructures in different temperatures
Volume 3, Issue 7 , July 2021, , Pages 443-451
Abstract
We tried to overcome some industrial defects of crystals (Cu doped ZnO) while improving some of its features through the use of three important factors: Doping (5% Cu), temperature, ... Read More
Shikimic acid from staranise (Illicium verum Hook): Extraction, purification and determination
Volume 3, Issue 7 , July 2021, , Pages 452-460
Abstract
Shikimic acid (3,4,5-trihydroxy-1-cyclohexene-1-carboxylic acid) is considered as an essential biochemical metabolite in autotrophic organisms, such as plants and some bacteria, which ... Read More
Synthesis of viscosity index improver for motor lubricating oil
Volume 3, Issue 7 , July 2021, , Pages 477-483
Abstract
The viscosity of lubrication oil is the important property to evaluate the behavior of lubrication activity of oil. Viscosity index VI is the standard indicator of effecting temperature ... Read More
Important thermodynamic variables with the kinetic study of the stage of industrial oil water treatment via ion-exchange resin
Volume 3, Issue 7 , July 2021, , Pages 484-494
Abstract
Ion-exchange technology was used in the present work for removing sodium, sulphate, and chloride pollutants from the wastewater of the Daura refinery. Here, the batch experiments ... Read More
Thermodynamic study and spectrophotometric determination of cefixime trihydrate in pure form and pharmaceutical tablets using batch and normal flow injection analysis
Volume 3, Issue 7 , July 2021, , Pages 495-507
Abstract
This study aimed at developing pectrophotometric methods for the determination of Cefixime Trihydrate [CFT] by simple, sensitive batch and flow-injection analysis in its purest form ... Read More
Producing, characterizing and utilizing a novel magnetic catalyst to promote construction of N,N′-alkylidene bisamides
Volume 3, Issue 6 , June 2021, , Pages 360-368
Abstract
A novel magnetic material namely [Fe3O4@SiO2@RNMe2-SO3H][Cl/MeSO3] (FSRNSCM) was produced. Energy-dispersive X-ray spectroscopy (EDS), field emission scanning electron microscopy (FE-SEM), ... Read More
Synthesis of new 5-aryl tetrazoline from N-2-hydrazido cyclic imides and study of biological activity
Volume 3, Issue 6 , June 2021, , Pages 392-400
Abstract
This research focused on the synthesis of some new 5-aryl tetrazoline derivatives on cyclic imides via reaction of N-(2-chloro acetyl) imides with hydrazine hydrate to give compounds ... Read More
Synthesis of new heterocyclic containing azo group from 2-N-chloro acetamido creatinine and studying their biological activity
Volume 3, Issue 6 , June 2021, , Pages 401-405
Abstract
The present work include synthesized new 2-amino-4-subs. thiozole(1) from reaction of 2-N-chloro acetamido Creatinine with thiourea. Compound (1) was treated with sodium nitrate and ... Read More
Numerical calculation of necessary distancing regarding SARS-CoV-2 (COVID-19) vs. spherical viruses, based on environmental features
Volume 3, Issue 6 , June 2021, , Pages 406-417
Abstract
Corona viruses are spherical nanoparticles with peripheral spike protein and diameters around 60 to 140 nm. In contrast to the elder versions, COVID-19 spread vastly and quickly all ... Read More
Synthesis of novel pyrazole derivatives containing tetrahydrocarbazole, antimicrobail evaluation and molecular properties
Volume 3, Issue 6 , June 2021, , Pages 425-434
Abstract
In this research, synthesis sequence of novel pyrazole derivatives was carried out by the reaction of cyclohexanone with phenylhydrazine hydrochloride in acid as solvent [THCZ] [0]. ... Read More
Prospects for the development of drugs with anti-viral activity based on licorice
Volume 3, Issue 5 , May 2021, , Pages 301-309
Abstract
The current situation with the widespread of a socially dangerous virus from the genus Coronavirus (SARS-CoV-2) and the announcement of a pandemic in connection with this demand the ... Read More![Synthesis of indeno [1,2-b] pyridine derivatives in the precense of Nano CeO2/ZnO](data/ecc/coversheet/331619974835.png)
Synthesis of indeno [1,2-b] pyridine derivatives in the precense of Nano CeO2/ZnO
Volume 3, Issue 5 , May 2021, , Pages 319-326