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Joy Ogana

Publications (5)

Effect of a Six-month Attenuation Study on the Concentration of Heavy Metals in Crude-oil-impacted Soil from Ubeji, Nigeria

Ogechukwu Frances Nworji, Joy Ogana, Ejike Celestine Orji, Uchechukwu Chibuzo Ogbodo & Chidiebere Malachy Chigbo · Asian Journal of Research in Biochemistry · 2026

Crude oil contamination alters the soil chemistry and can enhance the mobility and bioavailability of heavy metals. At toxic concentrations, these trace metals pose significant risks to ecological integrity, soil functionality, plant physiology, and human health. This study evalu...

Open access Research Article 10.9734/ajrb/2026/v16i4500

Biodegradation of Petroleum Hydrocarbons in Soil Microcosms by Indigenous Microbial Communities in Ubeji, Nigeria

Ogechukwu Frances Nworji, Joy Ogana, Ejike Orji, Uchechukwu Ogbodo & Chidiebere Malachy Chigbo · Biotechnology Journal International · 2026

Crude oil pollution remains a persistent environmental challenge in Ubeji, a suburb of the Niger Delta region of Nigeria located adjacent to the Warri Refining and Petrochemical Company (WRPC). Continuous contamination necessitates regular assessment and sustainable remediation s...

Open access Research Article 10.9734/bji/2026/v30i2864

Comparative Effects of Crude Ethanol Zapoteca portoricensis Leaf Extract and Its Fractions on Some Kidney Markers in Formalin-induced Inflammation in Rats

Orji, Ejike Celestine, Victor Henry Azubike Enemor, Joy Ogana, Ogechukwu Frances Nworji, Malachy Chidiebere Chigbo, Cheryl Ifeanyichukwu Nwokeoma, Victoria Obianuju Abiaka, Chigaemezu Anachu & Victory Chinedu Ifezue · Asian Plant Research Journal · 2025

This study evaluated the comparative nephroprotective potential of crude ethanol extract of Zapoteca portoricensis leaf and its fractions in formalin-induced inflammation in Wistar rats. Leaves were harvested, authenticated, dried, macerated in ethanol, and fractionated with n-he...

Open access Research Article 10.9734/aprj/2025/v13i6347

Antiplasmodial Activity and Hematological Recovery Effects of Ethanol Leaf Extract of Solenostemon monostachyus in Plasmodium berghei-Infected Mice

Chidiebere Malachy Chigbo, Ejike Celestine Orji, Ogechukwu Frances Nworji, Joy Ogana, Earnest Oghenesuvwe Erhirhie, Ijeoma Cynthia Anyaoku & Chibuike Franklin Ubah · South Asian Journal of Parasitology · 2026

Background: The increasing prevalence of antimalarial drug resistance necessitates the identification of effective and affordable alternative therapies derived from medicinal plants. Solenostemon monostachyus P. Beauv. (Lamiaceae) is used traditionally in West Africa for the trea...

Open access Research Article 10.9734/sajp/2026/v9i3306

Hepatoprotective Evaluation of Crude Ethanol Extract and Solvent Fractions of Zapoteca portoricensis Leaves in Formalin-induced Inflammatory Rats

Orji, Ejike Celestine, Victor Henry Azubuike Enemor, Ujunwa Jennifer Okoye, Ifeanyichukwu Chukwubuikem Unegbu, Joy Ogana, Ogechukwu Frances Nworji & Malachy Chidiebere Chigbo · International Journal of Biochemistry Research & Review · 2025

Aim: This study investigated the hepatoprotective effects of Zapoteca portoricensis leaf extract and its fractions in formalin-induced inflammation in rats. Study Design: An experimental, randomized controlled study was conducted using Wistar rats assigned as follows: Normal cont...

Open access Research Article 10.9734/ijbcrr/2025/v34i61070