Ohaturuonye Sampson O., Ekwere Ifiok O., Ekesiobi Sandra U., Robinson Bright E., Okpoji Awajiiroijana U., Osuagwu Eze L. & Okpanachi Clifford B.·Asian Journal of Research in Zoology·2026
Heavy metal contamination of aquatic environments poses significant ecological and public health concerns in the Niger Delta, where fish constitute a major source of animal protein. This study assessed and compared the concentrations of ten heavy metals in farmed catfish from fiv...
Open access
Research Article10.9734/ajriz/2026/v9i1243
Ohaturuonye Sampson O., Okpoji Awajiiroijana U., Akpan Nsima A., Njoku Chukwunonso A., Isaac Stanley C., Etesin Monday U. & Ekwere Ifiok O.·Asian Journal of Research in Zoology·2025
Aquatic organisms inhabiting petroleum-impacted estuaries of the Niger Delta are frequently exposed to complex mixtures of heavy metals and hydrocarbons capable of inducing biochemical and physiological stress. This study evaluated the concentrations of Pb, Cd, Hg, As, Cr, and to...
Open access
Research Article10.9734/ajriz/2025/v8i4233
Angela Atata, Ohaturuonye Sampson O., Omuluche Collins O., Nwanekwu Akunna Maureen, Usiabulu Godsday I., Okpoji Awajiiroijana U., Osuagwu Eze Lloyd & Joseph Jerry·South Asian Journal of Parasitology·2026
This study assessed the parasitological profiles of fish from petroleum-impacted freshwater ecosystems in Delta State, Nigeria, and examined spatial associations between petroleum contamination and parasite burden. A total of 300 fish representing six freshwater species were coll...
Open access
Research Article10.9734/sajp/2026/v9i4312
Ekesiobi Sandra U., Thompson Nwinam I., Akpan Nsima A., Okeke Nkeiruka P., Ohaturuonye Sampson O., Okabekwe Veraline C., Dare Blessing E. & Okpoji Awajiiroijana U.·Asian Journal of Chemical Sciences·2026
Urban water resources in the Niger Delta are increasingly impacted by rapid urbanisation, inadequate waste management, and diffuse anthropogenic inputs. This study evaluated the integrated physicochemical quality and non-carcinogenic human health risks associated with domestic wa...
Open access
Research Article10.9734/ajocs/2026/v16i1423
Eboh-Ajoku Ogechi I., Oji Chihurumnanya O., Okpoji Awajiiroijana U., Ene Chidiebere B., Osuagwu Eze L., Ohaturuonye Sampson O., Sulaiman Luqman O., Umeghalu Christian Okechukwu, Nosike Elvis I., Obieje Ann C. & Tolase Augustinah O.·Asian Journal of Food Research and Nutrition·2026
Persistent organic pollutants (POPs) pose significant food safety and public health concerns due to their persistence, bioaccumulation and toxicity in aquatic food products. This study assessed the concentrations of organochlorine pesticides (OCPs), polychlorinated biphenyls (PCB...
Open access
Research Article10.9734/ajfrn/2026/v5i3433
Osuafor Ogonna O., Okeke Chioma F., Agu Mathew O., Isueken Christian O, Aligwo Michael C., Ohaturuonye Sampson O., Okpoji, Awajiiroijana U, Etesin Monday U. & Ekwere Ifiok O.·Asian Journal of Agricultural and Horticultural Research·2025
Agricultural runoff is a major global non-point source of water contamination, contributing substantially to nutrient enrichment, heavy metal loading, and hydrogeochemical alteration in freshwater systems, particularly in humid tropical regions. This study assessed the influence...
Open access
Research Article10.9734/ajahr/2025/v12i4427
Okpoji, Awajiiroijana U, Ogbaji Henderson O., Hassan Dasuki H., Orji-Azuka Loveth N., Rasheed Habib O., Ohaturuonye Sampson O., Ejeka Joshua C., Okpanachi Clifford B. & Ekwere Ifiok O.·Asian Journal of Physical and Chemical Sciences·2025
Gas flaring continues to be a persistent source of environmental pollution in the Niger Delta, releasing volatile organic compounds (VOCs) that contribute to atmospheric degradation and aquatic contamination. This study assessed the physico-chemical transport of VOCs from gas fla...
Open access
Research Article10.9734/ajopacs/2025/v13i4271