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All published articles 1032

Chemical Composition and Antioxidant Activity of the Essential Oil of Cardiospermum grandiflorum Sw Harvested in Kokumbo in Ivory Coast

Konan N’dri Séraphin, Yéo Sounta, Angbeé Kassé Jean-Hugues, Kouamé Bosson Antoine, Mamyrbekova-Bekro Janat Akhanovna & Békro Yves-Alain · International Research Journal of Pure and Applied Chemistry · 2021

Aims: The objective of this work is to contribute to the valorization of medicinal and aromatic plants of the Ivorian flora. We propose to determine the chemical composition and to evaluate the antioxidant activity by spectrophotometry of the essential oil of Cardiospermum. grand...

Open access Research Article 10.9734/irjpac/2021/v22i930432

Fabrication and Characterization of Functional pH-Responsive Poly (S-Co-DEAMVA)-g-Tryptophan

Momen S. A. Abdelaty · International Research Journal of Pure and Applied Chemistry · 2021

Vanillin was used to synthesize cationic monomers from the amine group with a tertiary amine. It has both an amine and an aldehyde group. For that, it helps graft to form Schiff base with amino acid-like tryptophan. It is abbreviated by {2-[(diethylamino) methyl]-4-formyl-6-metho...

Open access Research Article 10.9734/irjpac/2021/v22i930430

Antioxidant and Anti α-amylase Activities of Polar Extracts of Mitracarpus hirtus and Saba senegalensis and the Combinason of their Butanolic Extracts

Ousmane Faye, Cheikh Sall, Awa Ndong, Madièye Sene, Mbaye Diaw Dioum, Matild Cabral, Gata Yoro Sy & Fatou Bintou Sarr · International Research Journal of Pure and Applied Chemistry · 2021

Diabetes mellitus is a major public health disease, and it affects all segments of the population around the world. The progression of this disease is worrying, 460 million in 2019, the number of diabetics is estimated in 2045 at 700 million worldwide. The antioxidant and antidia...

Open access Research Article 10.9734/irjpac/2021/v22i930429

Phytochemical, Proximate, In-vitro Antimalarial and Antimicrobial screening of leaf Extracts of Justicia carnea Lindl

C. E. Anarado, V. I. E. Ajiwe, C. J. O. Anarado, O. F. Obumselu, T. U. Onuegbu & S. E. Okafor · International Research Journal of Pure and Applied Chemistry · 2021

Aim: To study the phytochemical, proximate, antimicrobial and anti-malarial activities of leaf extracts of Justicia carnea Methods: The leaf sample of Justicia carnea which has been used in Nigeria folklore in treating malaria, cancer and many other diseases was extracted with me...

Open access Research Article 10.9734/irjpac/2021/v22i830428

Recent Advances on the Synthesis, Reactions and Evaluation of the Pharmacological Properties of Quinoxaline, Quinoxaline-2-One and Quinoxaline-2,3-Dione

Festus O. Taiwo, David A. Akinpelu & Craig A. Obafemi · International Research Journal of Pure and Applied Chemistry · 2021

The review article attempts to give recent advances on quinoxaline and its derivatives. Some pathways to the synthesis of quinoxaline, quinoxaline-2-one and quinoxaline-2,3-dione were reported using simple reactive quinoxaline synthon. In addition, the reactions, biological and t...

Open access Research Article 10.9734/irjpac/2021/v22i830427

Quantative STRUCTURE Activity Relationship (QSAR) Study of a Series of Molecules Derived from 2,3-dihydro-1H- perimidine having Activity against Protein Tyrosine Phosphatase 1B

Tuo Nanou Tiéba, Dembélé Georges Stéphane, Soro Doh, Konate Bibata, Kodjo Charles Guillaume & ZIAO Nahossé · International Research Journal of Pure and Applied Chemistry · 2021

In order to study the Quantitative Structure Activity Relationship (QSAR) against protein tyrosine phosphatase 1B and descriptors, we used a series of fourteen (14) molecules derived from perimidine. The compounds were optimized at the computational level B3LYP / 6-31 G (d, p), t...

Open access Research Article 10.9734/irjpac/2021/v22i830426

Geochemical Baseline and Contamination Level Assessment of Antimony (Sb) in Sediment around Agbaou Gold Mine, Côte d’Ivoire

Kakou Charles Kinimo, Ahbeauriet Ahmed Ouattara, N’Guessan Louis Berenger Kouassi, Koffi Pierre dit Adama N’goran & Koffi Marcellin Yao · International Research Journal of Pure and Applied Chemistry · 2021

Agbaou is one of the most recent gold mine exploitation sites in Côte d’Ivoire. Little studies are discussed on the geochemical baseline concentration of trace metals in the wetland sediments around Agbaou gold mine. The main objectives of this study were to establish geochemical...

Open access Research Article 10.9734/irjpac/2021/v22i830424

Inhibition Effect of Atenolol on Copper Corrosion in 1M HNO3: Experimental Study and DFT

Ehouman Ahissan Donatien, Bamba Kafoumba, Kogbi Guy Roland, Bamba Amara, KOUAKOU Adjoumani Rodrigue & Fatogoma Diarrassouba · International Research Journal of Pure and Applied Chemistry · 2021

Atenolol was examined as a copper corrosion inhibitor in 1M nitric acid solution using the mass loss technique and quantum chemical studies, based on density functional theory (DFT) at the B3LYP level with the base 6-311G (d,p). The inhibitory efficiency of the molecule increases...

Open access Research Article 10.9734/irjpac/2021/v22i830423

Degradation of Remazol Black dye from Aqueous Solution by Heterogeneous NH3(MoO3)3/H2O2 System

Kouakou Yao Urbain, Kambire Ollo, Gnonsoro Urbain Paul, Eroi N’goran Sévérin & TROKOUREY Albert · International Research Journal of Pure and Applied Chemistry · 2021

Aims: The pollution of the environment by organic dyes in water is a matter of great concern. Wastewater containing dyes is difficult to treat by conventional wastewater treatment methods such as coagulation, ozonation, biological treatment, etc. This is why the implementation of...

Open access Research Article 10.9734/irjpac/2021/v22i730421

Suggestion Petroleum Coke from Iraq Oil Mix. (T-21A+T-5) & PF2 as Alternative Fuel for Cement and Metallurgy

Sherwan Mohammad Simo, Salah Aldin Naman, Kanaan Ramadan Ahmed, Akhmetov Arslan Faritovich & Lapshin Igor Gennadievich · International Research Journal of Pure and Applied Chemistry · 2021

The feasibility of utilizing petroleum coke as an alternative fuel for cement kilns and other industries was suggesting. The feedstock using in this study are mixture (T-21A+T-5) Tawke and Shekhan PF2 AT residues were obtained from two Iraqi-Kurdistan crude oils by removing disti...

Open access Research Article 10.9734/irjpac/2021/v22i730419

Identification of Five Acylated Anthocyanins and Determination of Antioxidant Contents of Total Extracts of a Purple-Fleshed Ipomoea batatas L. Variety Grown in Burkina Faso

Dominique Saga Kaboré, Adama Héma, Elie Kabré, Raoul Bazié, Abdoul Karim Sakira, Moumouni Koala, Paul-André Koussao Somé, Eloi Pale, Touridomon Issa Somé & Pierre Duez · International Research Journal of Pure and Applied Chemistry · 2021

Anthocyanins are bioactive compounds, which thanks to their anti-free radical properties, can protect the human body against oxidative stress. The latter can cause many diseases, such as cancer, aging. The extract of the green cap purple variety of the sweet potato (Ipomoea batat...

Open access Research Article 10.9734/irjpac/2021/v22i730420

Study of Water Quality of the Ebrié Lagoon and Proposal of Toxin Structures in Relation to Algal Efflorescences

MEL Hayo Vianney, OUFFOUE Koffi Sébastien, Bamba Kafoumba, ZOAKOUMA Roger Simplice Pépin, DIABAGATE Dangui, ZIAO Nahossé & Ouattara Lassiné · International Research Journal of Pure and Applied Chemistry · 2021

Aims: The aim of this work is to know the interrelationships of the physicochemical parameters likely to explain algal blooms and to identify the potential structures of molecules that can be secreted in an Ivorian lagoon environment: the Ebrié lagoon. Methodology: Nine stations,...

Open access Research Article 10.9734/irjpac/2021/v22i730417

QSPR/QSAR Modelling of the Antioxidant Properties of Some Flavonoids

R. Chabi Doco, M. T. A. Kpota Houngue, Urbain A. Kuevi & Y. G. S. Atohoun · International Research Journal of Pure and Applied Chemistry · 2021

Several methods exist when seeking to experimentally evaluate the antioxidant properties of a natural bioactive substance. In the case of flavonoids, the methods used are mainly based on the experimental determination of the percentage of inhibition (IC50) or the redox potential...

Open access Research Article 10.9734/irjpac/2021/v22i730418

Concentration effect of Sodium Chloride Salt on Benzoic Acid Solubility and Dissociation into Water at 298 K Temperature

Shiv Prakash Mishra · International Research Journal of Pure and Applied Chemistry · 2021

In article, we have been reported the study of a concentration effect of sodium chloride (NaCl) salt on benzoic acid solubility and its dissociation in water at 298 K temperature. At this temperature the benzoic acid solubility into water and their dissociation value for six samp...

Open access Research Article 10.9734/irjpac/2021/v22i630416

Determination of the Mechanism of Nucleophilic Reaction of Fenitrothion Using Substituted Phenoxide Nucleophiles in Aqueous Media

E. G. Amadi, C. I. Egwuatu, C. U. Okoro, F. O. Obumselu & M. U. Onuoha · International Research Journal of Pure and Applied Chemistry · 2021

The mechanism of the nucleophilic displacement reaction at the phosphorus centre of organophosphates was determined. Phenoxide nucleophiles were reacted with fenitrothion (O,O-dimethyl O-(3-methyl-4-nitrophenyl) phosphorothioate) in water at 25oC and pseudo-first order rate const...

Open access Research Article 10.9734/irjpac/2021/v22i630415