Hillary Onyeka Abugu

ORCID, self-asserted

ORCID 0000-0002-6045-8449

Publications

Citations

941

h-index

Computed over the works the graph holds, so it is a floor rather than a career figure.

i10-index

Publications

55 works in the graph, newest first.

Thermal modification of Lagenaria breviflora seed husk for efficient sequestration of aqueous bound Ni(II): mechanism and performance evaluation
2026Biomass Conversion and BiorefineryJournalFirst author1 citations10.1007/s13399-025-06995-7
Enhanced removal of Pb2+ from aqueous solution using modified extracts from food processing wastes: design of experiments
2026Water Practice & TechnologyJournalOpen access0 citations10.2166/wpt.2025.178
Three decades of Nigerian bottled water quality research: a systematic review of contaminants and research gaps for environmental toxicology
2026Journal of Environmental Science and Health Part CJournal0 citations10.1080/26896583.2026.2674461
Biosorption of Pb2+ from aqueous solution onto unmodified African oil bean (Pentaclethra macrophylla) pod: Isotherm, kinetic and thermodynamic studies
2026Chemical Engineering Journal Green and SustainableJournalOpen accessSenior authorCorresponding0 citations10.1016/j.cejgas.2026.100085
Evaluating the significance of climate change on vegetation and coastal morphology in the Niger Delta through bibliometric analysis
2026Discover GeoscienceJournalOpen accessSenior author0 citations10.1007/s44288-026-00575-6
Advanced freeze–thaw production of fungal chitosan and its Ag–Cu nanocomposite: enhanced antimicrobial activity and in vitro cytotoxicity evaluation
2026RSC AdvancesJournalOpen accessFirst author0 citations10.1039/d6ra05594j
Polycyclic Aromatic Hydrocarbon (PAHs) Pollution Status of Soil, Water, and Edible Vegetables Within Cashew Nut Processing Clusters in Enugu, Nigeria
2026CLEAN - Soil Air WaterJournal0 citations10.1002/clen.70263
Microplastic Contamination in Nigerian Treated Waters and Packaged (Sachet, Bottled) Sources: Trends, Regional Disparities, and Policy Implications for Sustainable Practices
2025Analytical LettersJournal6 citations10.1080/00032719.2025.2569841
Advances in sensing technologies using functional carbon nanotube-hydrogel nanocomposites
2025Inorganic Chemistry CommunicationsJournal9 citations10.1016/j.inoche.2025.114139
Thermal and chemical pretreatment of Ebenaeae Diospyros preusii seed for enhanced adsorptive removal of aqueous-bound Cr(VI)
2025Discover WaterJournalOpen accessFirst authorCorresponding7 citations10.1007/s43832-024-00180-z
Seasonal variability of soil metal contamination and risks in a Pb–Zn mining site, Southeastern Nigeria
2025Environmental Geochemistry and HealthJournal5 citations10.1007/s10653-025-02855-5
Impact of industrial effluent on the self-purification characteristics and oxygen sag level of Ajali River, South east Nigeria
2025PLOS WaterJournalOpen accessSenior authorCorresponding3 citations10.1371/journal.pwat.0000320
Risks evaluation associated with total petroleum hydrocarbon and benzene, toluene, ethylbenzene, and xylene levels in soils at petroleum spill site in Isuikwuato, Abia State, Southeastern Nigeria
2025Petroleum Science and TechnologyJournalSenior authorCorresponding1 citations10.1080/10916466.2025.2519855
Plant-derived extracts for mitigating scale formation in pipelines and industrial systems: a review of status
2025Discover MaterialsJournalOpen access0 citations10.1007/s43939-025-00365-w
Synthesis, Characterization and Degradation of Bisphenol a Using Ce-Doped ZnO Nanoparticles in a Fenton-Like System.
2025Journal of Chemical Society of NigeriaJournalOpen access0 citations10.4314/jcsn.v50i5.15
Synthesis, Characterization and Application of Polyaniline nanofibre for the Sequestration of Pb2+ and Cr6+ from aqueous solution
2025Journal of Chemical Society of NigeriaJournalOpen access0 citations10.4314/jcsn.v50i3.2
Metal(loid)s, nitrate, polycyclic aromatic hydrocarbons, and radioactive contaminants in Nigerian water resources: state-of-the-art of their ecological and health risk assessments
2024Environment Development and SustainabilityJournalSenior author65 citations10.1007/s10668-024-05423-6
A review of the status, challenges, trends, and prospects of groundwater quality assessment in Nigeria: an evidence-based meta-analysis approach
2024Environmental Science and Pollution ResearchJournal62 citations10.1007/s11356-024-32552-2
Hydrochemical Characterization of Ground and Surface Water for Irrigation Application in Nigeria: A Review of Progress
2024Chemistry AfricaJournalFirst author46 citations10.1007/s42250-024-00917-2
A targeted review on occurrence, remediation, and risk assessments of bisphenol A in Africa
2024Environmental Monitoring and AssessmentJournalCorresponding41 citations10.1007/s10661-024-13337-z
Evaluating the seasonal variations of risks associated with potentially toxic elements in underground water sources near a dumpsite in Awka, Nigeria
2024Journal of Hazardous Materials AdvancesJournalOpen access38 citations10.1016/j.hazadv.2024.100440
Contamination, sources and health risk assessment of PAHs in surface and underground water in Nigeria: a review
2024Toxin ReviewsJournal34 citations10.1080/15569543.2024.2382975
Impacts of unregulated dumpsites: a study on toxic soil contamination, associated risks, and call for sustainable environmental protection in Nnewi, Nigeria
2024Journal of Hazardous Materials AdvancesJournalOpen access30 citations10.1016/j.hazadv.2024.100442
Mechanism, Formation and Transport of Polycyclic Aromatic Hydrocarbons (PAHs) in Fruits, Vegetables and Fresh Fish Species in Africa: A Systematic Review of its Health Risk
2024Chemistry AfricaJournalCorresponding21 citations10.1007/s42250-024-00926-1
Water quality assessment of various drinking water sources in some urban centres in Enugu, Nigeria: estimating the human health and ecological risk
2024Environmental Earth SciencesJournalCorresponding22 citations10.1007/s12665-024-11628-9
More about making profits or providing safe drinking water? A state-of-the-art review on sachet water contamination in Nigeria
2024Journal of Environmental Science and Health Part CJournal25 citations10.1080/26896583.2024.2319009
Polychlorinated biphenyls in soils around a poorly-managed dumpsite in SE Nigeria: contamination status, exposure risks, source identification and pathways for environmental sustainability
2024International Journal of Environmental & Analytical ChemistryJournal16 citations10.1080/03067319.2024.2398674
Appraisement of groundwater quality status within Enugu, Nigeria, using physicochemical evaluation and water quality indices
2024African Journal of Aquatic ScienceJournalCorresponding9 citations10.2989/16085914.2023.2295448
Ethical and Environmental Implications Associated With the Application of Nanotechnology
2024Advances in chemical and materials engineering book seriesBook Chapter8 citations10.4018/979-8-3693-1094-6.ch010
Adsorptive removal of potentially toxic Pb2+ from aqueous medium using functionalized Pycnanthus angolensis seed as a precursor
2024Biomass Conversion and BiorefineryJournalCorresponding6 citations10.1007/s13399-024-05908-4
Evaluation of potentially toxic elements within the vicinity of an integrated agro industry, Nigeria
2024Scientific AfricanJournalOpen accessCorresponding2 citations10.1016/j.sciaf.2024.e02197
An evaluation of the health risks, antibiotic residue levels and potentially toxic ingredients in Nigerian poultry products
2024International Journal of Agricultural InventionJournalOpen access1 citations10.46492/ijai/2024.9.1.23
Petroleum spills and assessment of heavy metals in water, sediment, soil from Afiesere River, Ughelli, Delta State, Nigeria
2024MOJ Ecology & Environmental SciencesJournalOpen accessSenior author1 citations10.15406/mojes.2024.09.00326
A mini cutting-edge review of the levels of polycyclic aromatic hydrocarbons and their health implications in some vegetables in Nigeria
2024Discover FoodJournalOpen accessSenior authorCorresponding0 citations10.1007/s44187-024-00239-9
Characterization of the Hydrochemistry, Scaling and Corrosivity Tendencies, and Irrigation Suitability of the Water of the Rivers Karawa and Iyiaji
2023SustainabilityJournalOpen accessCorresponding52 citations10.3390/su15129366
Characterization, sources, and risk assessment of PAHs in borehole water from the vicinity of an unlined dumpsite in Awka, Nigeria
2023Scientific ReportsJournalOpen access41 citations10.1038/s41598-023-36691-3
Potentially toxic element contamination and risk assessment of borehole water within a landfill in the Nnewi metropolis
2023Health and EnvironmentJournalOpen access30 citations10.25082/he.2023.01.001
Adsorption and photodegradation of organic contaminants by silver nanoparticles: isotherms, kinetics, and computational analysis
2023Environmental Monitoring and AssessmentJournalSenior authorCorresponding29 citations10.1007/s10661-023-12194-6
Sequestration of Lead Ion in Aqueous Solution onto Chemically Pretreated Pycnanthus angolensis Seed Husk: Implications for Wastewater Treatment
2023SustainabilityJournalOpen access18 citations10.3390/su152115446
Sequestration of Pb2+ from aqueous solution using bio-based-alkaline modified sorbent from waste Irvingia gabonensis seed husk
2023Water Practice & TechnologyJournalOpen accessFirst author15 citations10.2166/wpt.2023.170
Hydrochemical Assessment of the Rivers Adada and Obinna in Enugu, Nigeria, for Irrigational Application
2023Journal of Irrigation and Drainage EngineeringJournalFirst author12 citations10.1061/jidedh.ireng-9899
Chemical pretreatment of Lagenaria breviflora seeds used as biosorbents for the removal of aqueous-bound Ni2+
2023Water Practice & TechnologyJournalOpen accessFirst author10 citations10.2166/wpt.2023.192
Preliminary investigation of pollution, impact on milk quality and health risk of potentially toxic elements in raw milk from free-ranging cattle bred in Northwestern Nigeria
2023International Journal of Environmental & Analytical ChemistryJournalCorresponding3 citations10.1080/03067319.2023.2166409
Assessment of Pollution Status of River Ajali in Enugu State Using water quality index
2023IOP Conference Series Earth and Environmental SciencePublicationOpen accessSenior author1 citations10.1088/1755-1315/1178/1/012024
Pollution and risk assessment of heavy metals in water, sediment and fish (Clarias gariepinus) in a fish farm cluster in Niger Delta region, Nigeria
2022Journal of Water and HealthJournalOpen accessSenior authorCorresponding65 citations10.2166/wh.2022.003
Pollution and water quality index of boreholes within unlined waste dumpsite in Nnewi, Nigeria
2022Discover WaterJournalOpen access41 citations10.1007/s43832-022-00023-9
A multi-criteria approach to drinking and irrigation water assessment of spring water in Igbo-Etiti, Nigeria
2022Applied Water ScienceJournalOpen accessCorresponding34 citations10.1007/s13201-022-01747-8
Monitoring of pesticide residues in fresh fruits and vegetables available in Nigerian markets and assessment of their associated health risks
2022Environmental Monitoring and AssessmentJournalCorresponding30 citations10.1007/s10661-022-10139-z
Toxicity and distribution of polycyclic aromatic hydrocarbons in leachates from an unlined dumpsite in Nnewi, Nigeria
2022International Journal of Environmental & Analytical ChemistryJournal27 citations10.1080/03067319.2022.2140415
Polycyclic aromatic hydrocarbons in soil situated around solid waste dumpsite in Awka, Nigeria
2022Toxin ReviewsJournalSenior author19 citations10.1080/15569543.2021.2022700