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Mark Obinna Onyema
Mark Obinna Onyema
Department of Pure and Industrial Chemistry, University of Port Harcourt, Nigeria
Verified email at uniport.edu.ng
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Cited by
Cited by
Year
Spatial and temporal distribution and contamination assessment of heavy metal in Woji Creek
AN Dibofori-Orji, OC Ihunwo, KS Udo, AR Shahabinia, MO Onyema, ...
Environmental Research Communications 1 (11), 111003, 2019
352019
Distribution of polycyclic aromatic hydrocarbons in Woji Creek, in the Niger Delta
OC Ihunwo, AR Shahabinia, KS Udo, E Bonnail, MO Onyema, ...
Environmental Research Communications 1 (12), 125001, 2019
282019
Ecological and human health risk assessment of total petroleum hydrocarbons in surface water and sediment from Woji Creek in the Niger Delta Estuary of Rivers State, Nigeria
OC Ihunwo, MO Onyema, VO Wekpe, C Okocha, AR Shahabinia, ...
Heliyon 7 (8), 2021
232021
Vanadium inhibition capacity on nutrients and heavy metal uptake by Cucumis sativus
I Osu Charles, MO Onyema
J. Am. Sci 12 (3), 139-47, 2016
212016
Assessment of heavy metal pollution in soils and health risk consequences of human exposure within the vicinity of hot mix asphalt plants in Rivers State, Nigeria
I Ilechukwu, LC Osuji, CP Okoli, MO Onyema, GI Ndukwe
Environmental monitoring and assessment 193 (8), 461, 2021
192021
Distribution and sources of aliphatic hydrocarbons (AHCs) and polycyclic aromatic hydrocarbons (PAHs) within the vicinity of a hot mix asphalt (HMA) plant in Port Harcourt, Nigeria
LC Osuji, IP Ilechukwu, MO Onyema
International journal of environmental sciences 3 (1), 697-706, 2012
162012
Light hydrocarbon correlation of Niger Delta crude oils
MO Onyema, PN Manilla
Journal of American Science 6 (6), 82-91, 2010
132010
Batch removal of metanil yellow (MY) from aqueous solution by adsorption on HNO3-treated-H3PO4-activated carbon (NATPAAC) from Gmelina aborea (G. aborea) Bark: kinetic and …
BO Isiuku, MO Onyema
World News of Natural Sciences 13, 2017
122017
Source apportionment of polycyclic aromatic hydrocarbons (PAHs) in soils within hot mix asphalt (HMA) plant vicinities
I Ilechukwu, LC Osuji, MO Onyema
Journal of Chemical Society of Nigeria 41 (2), 2016
92016
Petroleum contamination of Sombreiro River in Akuku-Toru Local Government Area Rivers State, Nigeria, revealed by Chemical Fingerprinting of Aliphatic Hydrocarbons
C Iheonye, LC Osuji, MO Onyema
Journal of Applied Sciences and Environmental Management 23 (5), 805-809, 2019
82019
Characterization of petroleum hydrocarbons in post-burn crude oil-spilled soils, Gokana, Rivers State, Nigeria
MO Onyema, SE Ofodile, LC Osuji
Journal of Applied Sciences and Environmental Management 19 (4), 719-724, 2015
72015
Distribution of Polycyclic Aromatic Hydrocarbons in Soils within Vicinity of an Electronic Waste Open Burning Workshop in Aba, South East Nigeria
MO Onyema, CM Obasi, NH Okoye, LC Osuji
International journal of sciences: basic and applied research 35 (1), 286-293, 2017
62017
GAS CHROMATOGRAPHY-MASS SPECTROMETRY (GC-MS) COMPOSITIONAL ANALYSES OF AROMATIC HYDROCARBONS IN NIGER DELTA CRUDE OILS.
MO Onyema, LC Osuji
Petroleum & Coal 57 (5), 2015
62015
Geochemical fingerprinting of an oil-impacted site, Niger Delta: source and weathering profile of aliphatic hydrocarbons
MO Onyema, LC Osuji, SE Ofodile
Researcher 5 (10), 16-21, 2013
62013
Geochemical characterization of two Niger Delta crude oils and their mixtures I: Bulk properties and aliphatic hydrocarbon distributions
MO Onyema, NC Okoroh, IH Okorie, LC Osuji
Modern Chemistry 6 (3), 39-43, 2018
52018
Occurrence and sources of aliphatic hydrocarbons in soils within the vicinity of hot mix asphalt plants in Obigbo and Igwuruta areas of Rivers State, Nigeria
I Ilechukwu, LC Osuji, MO Onyema, GI Ndukwe
Journal of Applied Sciences and Environmental Management 20 (4), 1087-1094, 2016
42016
Light hydrocarbons in niger delta oils: geochemical significance of ring preference
MO Onyema, LC Osuji
Nature and Science 9 (5), 205-210, 2011
42011
Compositional significance of phenanthrenes for geochemical correlation of two commingled Niger Delta crude oils
NC Okoroh, MO Onyema, LC Osuji
Petroleum and Coal 60 (6), 1328-1335, 2018
32018
Compositional significance of light hydrocarbons in Niger Delta crude oils
MO Onyema, KU Ajike
Ratio 2 (3DMC5), 2MC6, 2010
32010
Uncommon Distribution of C20 and C21 tricyclic terpanes in Niger Delta crude oils
MJ Ajie, MO Onyema
Sch Int J Chem Mater Sci 5 (10), 156-161, 2022
22022
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