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 Article10.9734/irjpac/2026/v27i2996
Absorption and emission spectral maxima of 4-methoxyacetophenone (4MAP) in different a-CD and b-CD concentrations with pH~3 and pH~7 solutions were analysed using UV-visible, fluorescence, time resolved fluorescence measurements and molecular modeling methods. The spectral proper...
Open access
Research Article10.9734/irjpac/2026/v27i2995
This study presents a comparative investigation into the corrosion inhibiting properties of extracts derived from the stem and leaves of Caladium tricolor (wild cocoyam) in acidic media. The primary objective was to evaluate and compare the efficacy of these plant parts in mitiga...
Open access
Research Article10.9734/irjpac/2026/v27i2994
The absorption and emission spectral behaviour of 2,4-diaminotoluene (24DAT) was systematically investigated in the presence of varying concentrations of α-cyclodextrin (α-CD) and β-cyclodextrin (β-CD) at approximately pH 3 and pH 7, as well as in different solvents. Spectroscopi...
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Research Article10.9734/irjpac/2026/v27i2993
Imafidon Osahon Nosakhare, Okosun Joseph Zekeri, Orji Ugochukwu Richards, Blessed C. Anyanwu, Olamide K. Asaju, Godwin Yakubu, Chukwuebuka A. C. Onyeaghala, Oboh Osabhuohien, Ochanya B. Onuh, Chinwendu C. Ezinwa & Hauwa A. Sani·International Research Journal of Pure and Applied Chemistry·2026
Carbonized periwinkle shell was modified by two types of activation: alkaline modification with 1 M NaOH and acidic modification with 1 M HNO3. The three carbon samples thus produced were tested for the removal of methylene blue from solution. This test was carried out to provide...
Open access
Research Article10.9734/irjpac/2026/v27i2992
Halid Junuzović, Melisa Ahmetović, Emina Kovačević, Aida Gogić, Aldijana Mustafić, Sabina Begić, Amra Selimović, Indira Šestan, Husejin Keran, Emina Mehmedović & Lejla Osmanbegović·International Research Journal of Pure and Applied Chemistry·2026
The rapid growth of the global population has increased the consumption of chicken eggs, leading to the generation of significant quantities of eggshell waste. The sustainable valorization of this biowaste represents an important environmental and resource management challenge. I...
Open access
Research Article10.9734/irjpac/2026/v27i2991
The mining company makes efforts to reduce the storage of huge amounts of waste, such as tailings, through reprocessing or using these unwanted materials as a marketable product. Nevertheless, the evaluation of these tailings is crucial for environmental sustainability and econom...
Open access
Research Article10.9734/irjpac/2026/v27i2990
A sustainable and environmentally benign synthetic approach for the preparation of 2-(1H-benzimidazole-2-yl) benzoic acid (BZ–BA) and a structurally modified derivative (BZ–BA–X) is reported here. The target benzimidazole framework was efficiently synthesized via a solvent-free m...
Open access
Research Article10.9734/irjpac/2026/v27i2989
Acid–base titrimetry remains a cornerstone of quantitative chemical analysis in teaching, industrial quality control, and routine laboratory practice. Conventional endpoint detection in acidimetry and alkalimetry has long relied on synthetic halochromic indicators; however, growi...
Open access
Research Article10.9734/irjpac/2026/v27i2988
Heavy metal contamination in groundwater, particularly in the Niger Delta, induces oxidative stress and endocrine disruption. This study aimed to evaluate the restorative potential of Vernonia calvoana extract fractions on hormonal parameters and ovarian histoarchitecture in fema...
Open access
Research Article10.9734/irjpac/2026/v27i2987