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All published articles 1032

Study of the Effectiveness of Domestic Wastewater Treatment in the City of Brazzaville Using Vertical-Flow Artificial Marshes Planted with Cyperaceae (Cyperus alternifolius L.)

Diele Mouko Gavin-Rolin, Mbemba Kiélé Molingo, Okeni-Boba Judicaël Gabriel, Ngoulou Jeansval Rossam Cédrick, Mabiala Loubilou Mithé Brice, Litebe Aimé Claude, Kaya-Kaya Phys Alhen Consolat & Ngoma Tsaty Véronique Junior · International Research Journal of Pure and Applied Chemistry · 2026

Domestic wastewater can cause environmental pollution if it is discharged into the environment without prior treatment, particularly because of its high organic load. In this study, the experimental pilot consisted of two basins: the first was planted with Cyperus alternifolius L...

Open access Research Article 10.9734/irjpac/2026/v27i41014

Natural and Human-Induced Impacts on the Origins and Distributions of Fatty Alcohols in Sediment Cores from Cross River System, Nigeria

Inyang Okon Oyo-ita, Ekpo, Ofem Ikip, Unyime U. Umoh, Emmanuella E. Oyo-Ita & Orok Esu Oyo-Ita · International Research Journal of Pure and Applied Chemistry · 2026

Tropical rivers are important pathways for transporting organic carbon to the ocean, yet the use of molecular markers to distinguish natural inputs from human-induced effects in these dynamic systems remains limited. This study evaluated the distribution and possible sources of f...

Open access Research Article 10.9734/irjpac/2026/v27i41011

From Agricultural Waste to Health-promoting Salts: Peanut Shells and Corn Cobs as Alternatives to Table Salt

Nitale M'Balikine Krou, Ogouvidé Akpaki, Kamaroudine Adéléké & Moursalou Koriko · International Research Journal of Pure and Applied Chemistry · 2026

Background: Excessive consumption of sodium chloride is associated with hypertension and cardiovascular diseases, while large amounts of agricultural residues such as peanut shells and corn cobs remain underutilized and contribute to environmental pollution. Valorizing these biom...

Open access Research Article 10.9734/irjpac/2026/v27i41010

Phytochemical Profiling and Organ-Specific Metabolite Distribution in Sudanese Petroselinum crispum (Parsley): Implications for Gastroprotective and Therapeutic Applications

Zeinab S. Esmail, Azhari H. Nour, Omer A. Ishag, Housna M. Moustapha & Arafa A. Koual · International Research Journal of Pure and Applied Chemistry · 2026

Petroselinum crispum (parsley), an essential member of the Apiaceae family, is a globally distributed biennial herb esteemed for its culinary versatility and multi-faceted pharmacological profile. In the Sudanese ethnobotany, it is utilized for its potent antioxidant, anti-inflam...

Open access Research Article 10.9734/irjpac/2026/v27i41009

Synthesis, Spectroscopic Characterisation and Application of Copper Complexes of Thiamine with Auxiliary Ligands: Urea and Phenanthroline

Olufunso O. Abosede, Kemepamene Okorodo & Kelechi Peace Kanu · International Research Journal of Pure and Applied Chemistry · 2026

Thiamine (vitamin B1) is an essential biomolecule with potential coordination sites capable of forming stable metal complexes, while auxiliary ligands can further enhance the structural and physicochemical properties of such systems. Copper-based thiamine complexes have attracted...

Open access Research Article 10.9734/irjpac/2026/v27i31006

Assessment of the Pollutant Load of the Logone River Waters in the City of Moundou, Southern Chad

Ahmat Al Tidjani Hissein Ousman, Mahamat Seid Ali Malloum, Mbai-yelkom Fidel Karnot & Djimassingar Golngar · International Research Journal of Pure and Applied Chemistry · 2026

The discharge of untreated industrial effluents into the Logone River poses serious risks to aquatic ecosystems and public health in Moundou, southern Chad. This study assessed the physicochemical quality of the Logone River at two monitoring stations one upstream and one downstr...

Open access Research Article 10.9734/irjpac/2026/v27i31005

Electrochemical Behavior of Lead in Choline Chloride–Glycerol Deep Eutectic Solvent

Soro Lassina, Ouedraogo Achille, Kindo Adama, Sorgho Alassane & Soma Fousséni · International Research Journal of Pure and Applied Chemistry · 2026

The electrochemical behavior of a solution containing 5 mmolal Pb(II) in a choline chloride–glycerol medium (molar ratio 1:2) was investigated at a glassy carbon (GC) electrode at 100 ± 5 °C. Electrochemical and physicochemical studies were carried out using techniques such as cy...

Open access Research Article 10.9734/irjpac/2026/v27i31004

Physicochemical Quality Retention and Shelf Life Extension of Banana Using Modified Corn Husk- Supported Potassium Permanganate

Oluwayemi Olanike Esther Onawumi, Oni Oluwakemi Tititlayo & Tola Elizabeth Odewale · International Research Journal of Pure and Applied Chemistry · 2026

Bananas are well-known for their high nutritional content and good health benefits. However, the presence of ethylene shortens postharvest shelf life. Therefore, an effective preservation technique is essential for lowering post-harvest losses and increasing the marketability of...

Open access Research Article 10.9734/irjpac/2026/v27i31003

Electrochemical and Theoretical (DFT) Study of the Complex between 2,2′-Bipyridine and Dichlorodiphenylsilane (bipy·Ph₂SiCl₂) : Structure, Redox Properties, and Reactivity

Arona Ngom, Mamadou Dieng, Momath Lo, Mame Samba Faye, Moustapha Diaw, Mouhamadou Sembene Boye & Diariatou Gningue-Sall · International Research Journal of Pure and Applied Chemistry · 2026

Organosilicon compounds, particularly chlorosilanes, are of significant interest due to their structural versatility and pivotal role as precursors for Si–N, Si–O, and Si–C bond formation in functional materials and coordination systems. Among them, dichlorodiphenylsilane (Ph₂SiC...

Open access Research Article 10.9734/irjpac/2026/v27i31002

Corn Cob-derived Activated Carbon Catalysts for Pyrolysis of Polypropylene Waste into Kerosene-range Hydrocarbons

Kelechi Angelina Iheonye, Ifeanyichukwu Edeh, Ibrahim Kolawole Muritala & Ayoade Kuye · International Research Journal of Pure and Applied Chemistry · 2026

The widespread disposal of waste plastics, such as polypropylene, in landfills and coastal areas, coupled with the increasing demand for sustainable aviation fuels, has motivated researchers to explore the conversion of waste plastics into valuable hydrocarbon fuels. This study i...

Open access Research Article 10.9734/irjpac/2026/v27i31001

Antimicrobial Activity of Isolated Compounds from Zanthoxylum gilletii Stem Bark Extract

Eric Niringiyimana, Hannington Twinomuhwezi, Ivan Gumula, Isaac Odokonyero, Ivan Byaruhanga & Patrick Onen · International Research Journal of Pure and Applied Chemistry · 2026

Background: Zanthoxylum gilletii, an important African medicinal plant, is widely used in traditional medicine for treating various ailments due to its rich phytochemical composition. However, despite its extensive ethnomedicinal applications, the specific bioactive compounds res...

Open access Research Article 10.9734/irjpac/2026/v27i31000

Optimization of the Extraction Method of Vegetable Oil from Carapa procera Almonds Extracted Using a Hydraulic Press

Kouakou Affoué Marie Josée, Kabran Aka Faustin, Nikiema Diakaridja, Brou Helvis Koffi & Koua Oi Koua · International Research Journal of Pure and Applied Chemistry · 2026

Carapa procera (Meliaceae), known for its traditional therapeutic properties, was the subject of this study focused on optimizing the method of extracting oil from its kernels, a raw material of choice for cosmetic and pharmaceutical industries. Two extraction methods were compar...

Open access Research Article 10.9734/irjpac/2026/v27i3999

Synthesis and Characterization of Azobenzene Containing Mono Boronic Acid Sugar Sensors

M. Suresh & Narayanasamy Rajendiran · International Research Journal of Pure and Applied Chemistry · 2026

Sugar binding enhances fluorescence by strengthening the boron–nitrogen. Lewis acid–base interaction, which suppresses photoinduced electron transfer and quenched emission. As a result, these systems exhibit enhanced fluorescence in neutral aqueous solutions upon sugar binding. T...

Open access Research Article 10.9734/irjpac/2026/v27i2997

Volumetric and Viscometric Investigations of Binary Mixtures of Ethyl Acetate with Isobutanol and n-Hexane at Different Temperatures

Jerin Alauddin, Sagar Pande, Sharlene Alauddin, Md. Helal Uddin & Sharif M. Al-Reza · International Research Journal of Pure and Applied Chemistry · 2026

Densities and viscosities of binary liquid mixtures of ethyl acetate with isobutanol and n-hexane were measured over the entire range of composition at 303.15, 308.15, 313.15 and 318.15 K. The experimental density and viscosity data have been used to evaluate the excess molar vol...

Open access Research Article 10.9734/irjpac/2026/v27i2998

Bioactive Components and Antioxidative Activity of the Rosae Pseudo–Fructus

Emina Avdić, Aida Smajlagić, Merima Ibišević, Maida Šljivić Husejnović, Lamija Kolarević, Emir Horozić, Alma Salkić, Amra Butković & Ermina Cilović Kozarević · International Research Journal of Pure and Applied Chemistry · 2026

The fruit of Rosa canina (rosehip) has long been used in traditional medicine, and recent studies confirm its health benefits due to its content of flavonoids, carotenoids, fatty acids, and high vitamin C levels. This study examined three preparations: infusion, ultrasound-assist...

Open access Research Article 10.9734/irjpac/2026/v27i2996