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Jafar Usman

Publications (3)

Design and Evaluation of a Sand–Charcoal–Gravel Water Filter for Bioremediation of Heavy Metals in Illegal Mining Sites of Zamfara State, Nigeria

Jafar Usman & Muazu Abubakar Gusau · Asian Journal of Environment & Ecology · 2026

Illegal artisanal gold mining in Zamfara State, Nigeria, has resulted in severe environmental contamination and widespread exposure to toxic heavy metals, particularly lead (Pb). This study presents the design, optimization, and evaluation of a low-cost sand–charcoal–gravel filtr...

Open access Research Article 10.9734/ajee/2026/v25i5931

Investigation of Hepatic and Renal Parameters Content in Blood Samples of Snuff Addicted Individuals in Gusau Metropolis

Auwalu Muttaka & Jafar Usman · Journal of Advances in Medical and Pharmaceutical Sciences · 2023

In Nigeria, the use of dry nasal snuff is spreading considerably throughout all age groups in both rural and urban areas. This is due to various ethno-cultural beliefs that have not been scientifically confirmed. Various people do not realize the negative impact of snuff on one's...

Open access Research Article 10.9734/jamps/2023/v25i12661

Molecular Identification of Antibiotics Resistance Bacteria Isolated from Untreated Water Sources Fed into Sokoto Water Board for Municipal Consumption, Sokoto State, Nigeria

Hussaini Salisu, Mudassir Iliyasu, Mudassiru Salihu, Bahira Bello Yabo, Jafar Usman, Abdullahi Yasmin, Mudassir Abubakar Baba & Murtala Hamidu · Microbiology Research Journal International · 2026

Water quality is essential for life, but contamination from heavy metals and antibiotic-resistant microorganisms in aquatic environments poses serious risks to human health and ecosystems. This study evaluated the microbiological quality of untreated water sources fed into in Sok...

Open access Research Article 10.9734/mrji/2026/v36i51743