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D. B. Onwuna

Publications (3)

Air Quality at Artisanal Crude Oil Refinery Sites in Igia-Ama, Tombia Kingdom, Rivers State, Nigeria

D. B. Onwuna, H. O. Stanley, G. O. Abu & O. M. Immanuel · Asian Journal of Advanced Research and Reports · 2022

Artisanal crude oil refining is an illegal operation thriving in the oil-rich Niger Delta region of Nigeria, and their activities are known to cause serious air pollution, evident by incidences of black soot pollution in many parts of this region. This study aimed to ascertain th...

Open access Research Article 10.9734/ajarr/2022/v16i12450

Biodegradation of Cassava Peel with Pleurotus ostreatus and Bacillus cereus for the Production of Poultry Feed

D. B. Onwuna, H. O. Stanley, A. A. Ibiene & C. J. Ugboma · Asian Journal of Advances in Agricultural Research · 2019

This study aimed to produce poultry feed from Pleurotus ostreatus and Bacillus cereus biodegraded cassava peel. The biodegradation of cassava peel substrates was for 28 day. The biodegradation setups ST1-ST9 consist of 150g cassava peel + 30 ml, 20ml and 10ml of Consortium, Bacil...

Open access Research Article 10.9734/AJAAR/2018/45833

The Antimicrobial Activity of Sclerotia of Pleurotus tuberregium (Osu) on Some Clinical Isolates

H. O. Stanley, D. B. Onwuna & C. J. Ugboma · Journal of Advances in Microbiology · 2018

The Antimicrobial Activity of Sclerotia of Pleurotus tuberregium (Osu) on Some Clinical Isolates This study was carried out to determine the medicinal potential of the sclerotia of Pleurotus tuberregium on some clinical isolates. The method employed for this test was the Kirby-Ba...

Open access Research Article 10.9734/JAMB/2018/39664