Publications by authors named "W M Owonikoko"
Many compounds and inorganic elements released from natural and anthropogenic origins contaminate the environment and are implicated in catastrophes involving most biologically driven ecological processes and public health. One such element is Mercury. Mercury exists in both inorganic elemental form and the more metabolically active molecular form e.
View Article and Find Full Text PDFArticle Synopsis
- Nigeria faces significant environmental contamination from e-waste, particularly heavy metals, due to improper handling of electrical and electronic equipment.
- A systematic review employing the PRISMA method highlighted the distribution of these metals in various environmental samples, including soil, water, dust, plants, and human blood.
- The study concluded that while the environment shows varying levels of heavy metal presence, biological systems, especially the blood of e-waste scavengers, revealed higher concentrations of lead (Pb), chromium (Cr), and cadmium (Cd).
Article Synopsis
- - E-waste in Nigeria, primarily from electronic imports, poses serious health risks due to hazardous heavy metals (HMs) linked to conditions like cancer, which are not completely understood.
- - The study analyzed contamination levels of HMs in various media (air, soil, dust, water, and plants) in Nigeria, finding significant pollution, particularly harmful lead (Pb) and chromium (Cr) levels, that affect both children and adults.
- - Results indicate children are at greater health risk from e-waste exposure, with notable carcinogenic and non-carcinogenic dangers stemming from DNA damage and immune dysfunction due to HMs.
Article Synopsis
- * This study assessed the concentration of HMs in water and the serum of residents from an oil-producing community, revealing increased levels of lead and cadmium, altered serum electrolytes, and changes in liver enzymes and antioxidant capacity compared to residents from a non-oil-producing area.
- * Findings indicate that prolonged exposure to heavy metals correlates with various health risks, including DNA damage and imbalances in the antioxidant system, highlighting the serious ecological and health implications of crude oil contamination in the region.
In this biphasic study, 45 male wistar rats were divided into 9 groups. In Phase 1, Group 1 was treated with normal saline and served as the overall control, group 2 was treated with 95% Ethanol and represents the ulcer control, groups 3 and 4 received coconut water (CW; 4ml/100g BWt) and milk (CM; 4ml/100g BWt) for 4weeks while group 5 received Omeprazole (Omep; 20mg/kg BWt) during terminal week. 95% Ethanol-induced ulceration followed the treatments in all except group 1.
View Article and Find Full Text PDF