Charles Otobrise

Production of Mosquito Repellent Cream with Extract from Lemon Grass (Cymbopogon citratus), Clove (Syzygium aromaticum) and Neem (Azadirachta indica)

Treasure, O. Akpomere, Charles Otobrise & Ochuko, A. Afighor · Asian Journal of Applied Chemistry Research · 2026

The increasing health and environmental concerns associated with synthetic mosquito repellents have necessitated the development of safer, plant-based alternatives. This study produced and evaluated mosquito repellent creams formulated from lemon grass (Cymbopogon citratus), clov...

Open access Research Article 10.9734/ajacr/2026/v17i3397

Biodiesel Production from Jatropha curcas (l.) Seed Oil Using a Green-Synthesized MGO Nanocatalyst and RSM Method for Optimization

Kingsley E. Apuyor, Augustine K. Asiagwu, Charles Otobrise, Stanley E. Apuyor & Augustine Apuyor · Asian Journal of Applied Chemistry Research · 2026

The growing demand for sustainable energy has intensified interest in biodiesel production from non-edible feedstocks. In this study, biodiesel was produced from Jatropha curcas seed oil via a two-step process involving acid-catalyzed esterification followed by MgO-catalyzed tran...

Open access Research Article 10.9734/ajacr/2026/v17i2389