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  1. Synthesis, DFT Studies, and Molecular Docking Analysis of a Novel Acylpyrazolone Schiff Base and Its Metal(II) Complexes

    Article • Applied Organometallic Chemistry, July 2025, Wiley

    Prof. Oguejiofo T. Ujam

  2. Synthesis, characterization and computational studies on (E)-4-(1-((2-hydroxyphenyl)imi no) hexyl)-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one

    Article • Journal of Molecular Structure, February 2025, Elsevier

    Prof. Oguejiofo T. Ujam

  3. Organochlorine pesticide contamination of soils and dust from an urban environment in the Niger Delta of Nigeria

    Article • The Science of The Total Environment, August 2024, Elsevier

    Prof. Oguejiofo T. Ujam

  4. Risk Assessments of Polycyclic Aromatic Hydrocarbons in the Surface Sediments of Drinking Water Sources in Ifite Ogwari, South-East Nigeria

    Article • Soil and Sediment Contamination An International Journal, April 2024, Taylor & Francis

    Prof. Oguejiofo T. Ujam

  5. Synthesis, structure, preliminary antimicrobial and antimalarial studies of 1,1′-(piperazine-1,4-diyl)bis(2-phenylethan-1-one) and its lanthanide, Ce(III), Pr(III), and Nd(III) complexes

    Article • Journal of Molecular Structure, March 2024, Elsevier

    Prof. Oguejiofo T. Ujam

  6. Anticancer and antimicrobial activities of a novel 4-nitrobenzohydrazone and the Cu(II), Ni(II), Co(II), and Mn(II) complexes

    Article • Inorganic and Nano-Metal Chemistry, July 2023, Taylor & Francis

    Prof. Oguejiofo T. Ujam

  7. A New Hybrid ligand and its metal complexes From a Natural Plant ( Styrax officinalis ) bearing Egonol, Thiosemicarbazone and Oxime Units, and Their Anti‐cancer Activities

    Article • Applied Organometallic Chemistry, June 2022, Wiley

    SAFİYE EMİRDAĞ, Prof. Oguejiofo T. Ujam

  8. New chalcone derivatives as potential antimicrobial and antioxidant agent

    Article • Scientific Reports, November 2021, Springer Science + Business Media

    Prof. Oguejiofo T. Ujam

  9. N'-(Pyridin-3-ylmethylene)benzenesulfonohydrazide: Crystal structure, DFT, Hirshfeld surface and in silico anticancer studies

    Article • European Journal of Chemistry, September 2021, European Journal of Chemistry

    Prof. Oguejiofo T. Ujam

  10. Ecological and human health risk evaluation of potential toxic metals in paddy soil, rice plants, and rice grains (Oryza sativa) of Omor Rice Field, Nigeria

    Article • Environmental Monitoring and Assessment, September 2021, Springer Science + Business Media

    Prof. Oguejiofo T. Ujam

  11. Binding interaction of 5-amino-2-mercaptobenzimidazole with Au-TiO 2 : inhibition of switch-on fluorescence

    Article • Inorganic and Nano-Metal Chemistry, July 2021, Taylor & Francis

    Prof. Oguejiofo T. Ujam

  12. Concentrations, sources, and health risk assessment of metals in indoor dust collected from visual arts studios of selected tertiary institutions in Southern Nigeria

    Article • Environmental Forensics, July 2021, Taylor & Francis

    Prof. Oguejiofo T. Ujam, Dr Chukwujindu M.A Iwegbue

  13. Synthesis and Characterization of Immobilized Thiolactic Ligand System for the Detoxification of Tannery Wastewater

    Article • Advances In Image and Video Processing, October 2020, Scholar Publishing

    Prof. Oguejiofo T. Ujam

  14. Antibiotic Adsorption by Acid Enhanced Dialium guineense Seed Waste

    Article • Arabian Journal for Science and Engineering, July 2020, Springer Science + Business Media

    Prof. Oguejiofo T. Ujam

  15. Biosorptive interaction of alkaline modified Dialium guineense seed powders with ciprofloxacin in contaminated solution: central composite, kinetics, isotherm, thermodynamics, and desorption

    Article • International Journal of Phytoremediation, February 2020, Taylor & Francis

    Prof. Oguejiofo T. Ujam

  16. Potentials of activated carbon produced from biomass materials for sequestration of dyes, heavy metals, and crude oil components from aqueous environment

    Article • Applied Water Science, January 2020, Springer Science + Business Media

    Prof. Oguejiofo T. Ujam

  17. Human health risk assessment of potential toxic elements in paddy soil and rice (Oryza sativa) from Ugbawka fields, Enugu, Nigeria

    Article • Open Chemistry, November 2019, De Gruyter

    Dr JANEFRANCES NGOZI IHEDIOHA, Prof. Oguejiofo T. Ujam

  18. Synthesis, Spectroscopic, Antimicrobial Activity and Computational Studies of Some Homoleptic and Heteroleptic Metal(II) Complexes of 2‐Furoic Acid Hydrazone

    Article • ChemistrySelect, October 2019, Wiley

    Prof. Oguejiofo T. Ujam

  19. Synthesis and characterization of Cu(II), Co(II) and Ni(II) complexes of a benzohydrazone derivative: Spectroscopic, DFT, antipathogenic and DNA binding studies

    Article • Journal of Molecular Structure, May 2019, Elsevier

    Prof. Oguejiofo T. Ujam

  20. Novel 3‐Hydroxy‐2‐naphthoic hydrazone and Ni(II), Co(II) and Cu(II) Complexes: Synthesis, Spectroscopic Characterization, Antimicrobial, DNA Cleavage and Computational Studies

    Article • Applied Organometallic Chemistry, April 2019, Wiley

    Prof. Oguejiofo T. Ujam

  21. Synthesis, characterization, antimicrobial activity and DFT studies of 2-(pyrimidin-2-ylamino)naphthalene-1,4-dione and its Mn(II), Co(II), Ni(II) and Zn(II) complexes

    Article • Journal of Molecular Structure, July 2018, Elsevier

    Prof. Oguejiofo T. Ujam

  22. Synthesis, experimental and theoretical characterization, and antimicrobial studies of some Fe(II), Co(II), and Ni(II) complexes of 2-(4,6-dihydroxypyrimidin-2-ylamino)naphthalene-1,4-dione

    Article • Research on Chemical Intermediates, June 2018, Springer Science + Business Media

    Prof. Oguejiofo T. Ujam

  23. Synthesis, characterization, in-vitro antimicrobial properties, molecular docking and DFT studies of 3-{(E)-[(4,6-dimethylpyrimidin-2-yl)imino]methyl} naphthalen-2-ol and Heteroleptic Mn(II), Co(II), Ni(II) and Zn(II) complexes

    Article • Open Chemistry, March 2018, De Gruyter

    Prof. Oguejiofo T. Ujam

  24. Synthesis, characterization, molecular docking, biological activity and density functional theory studies of novel 1,4-naphthoquinone derivatives and Pd(II), Ni(II) and Co(II) complexes

    Article • Applied Organometallic Chemistry, March 2018, Wiley

    Prof. Oguejiofo T. Ujam

  25. Comparative Assessment of Carbon Preference Index and Degree of Waxiness in Different Crude Oils as Indicator of Maturity and Organic Matter Input: A Case Study of Ebocha and Kwali Crude Oil Niger Delta, Nigeria

    Article • Recent Advances in Petrochemical Science, January 2018, Juniper Publishers

    Prof. Oguejiofo T. Ujam

  26. An “ex situ” microbial process for the removal of heavy metals from polluted soil: A case study of Ada rice field, Adani, Enugu State, Nigeria

    Article • Bioremediation Journal, October 2017, Taylor & Francis

    Prof. Oguejiofo T. Ujam, Dr JANEFRANCES NGOZI IHEDIOHA

  27. Crystal structure of 4-hydroxy-6-methyl-3-[(1E)-1-(2-phenylhydrazinylidene)ethyl]-2H-pyran-2-one

    Article • Journal of Structural Chemistry, May 2017, Pleiades Publishing Ltd

    Prof. Oguejiofo T. Ujam

  28. Morpholine and piperazine based carboxamide derivatives as corrosion inhibitors of mild steel in HCl medium

    Article • Journal of Molecular Liquids, March 2017, Elsevier

    Prof. Oguejiofo T. Ujam, Professor Eno E Ebenso

  29. Experimental and In-Silico Investigation of Anti-Microbial Activity of 1-Chloro-2-Isocyanatoethane Derivatives of Thiomorpholine, Piperazine and Morpholine

    Article • PLOS One, January 2017, PLOS

    Prof. Oguejiofo T. Ujam

  30. In silico investigation of morpholines as novel class of trypanosomal triosephosphate isomerase inhibitors

    Article • Medicinal Chemistry Research, November 2016, Springer Science + Business Media

    Prof. Oguejiofo T. Ujam

  31. Alkylation of [Pt2(μ-S)2(PPh3)4] with boronic acid derivatives

    Article • Journal of Coordination Chemistry, August 2016, Taylor & Francis

    Prof. Oguejiofo T. Ujam, Professor J Scott McIndoe

  32. Assessment of heavy metal contamination of rice grains (Oryza sativa) and soil from Ada field, Enugu, Nigeria: Estimating the human healtrisk

    Article • Human and Ecological Risk Assessment An International Journal, August 2016, Taylor & Francis

    Prof. Oguejiofo T. Ujam

  33. Reactivity of [Pt2(μ-S)2(PPh3)4] towards activated aliphatic bromoacyl electrophiles: Formation of mono-, homodi-, heterodi- and intramolecular-bridged alkylated products

    Article • Inorganica Chimica Acta, August 2016, Elsevier

    Prof. Oguejiofo T. Ujam, Professor J Scott McIndoe

  34. Dynamics of Electron Transfer Reaction of Trioxosulfate(IV) Ion with Dinuclear Iron(III)-Salen Complex in Perchloric Acid Medium

    Article • Asian Journal of Chemistry, January 2015, Asian Journal of Chemistry

    Prof. Oguejiofo T. Ujam

  35. Mechanism of Oxidation of L-Cysteine by Tetraoxoiodate(VII) in Aqueous Acid Medium

    Article • Asian Journal of Chemistry, January 2015, Asian Journal of Chemistry

    Prof. Oguejiofo T. Ujam

  36. Kinetics and Mechanism of Electron Transfer Reaction of an Adipato Bridged Iron(III)-Salen Complex with Dithionite Ion in Perchloric Acid Medium

    Article • Croatica Chemica Acta, January 2015, Croatian Chemical Society

    Prof. Oguejiofo T. Ujam

  37. Studies on precipitation performance of n-heptane and n-pentane/n-heptane on C7 and C5/C7 asphaltenes and maltenes from 350 °C atmospheric residuum of three Nigerian light crudes

    Article • Journal of Petroleum Exploration and Production Technology, November 2014, Springer Science + Business Media

    Prof. Oguejiofo T. Ujam

  38. Crystal structure ofN′-[(1E)-1-(6-methyl-2,4-dioxo-3,4-dihydro-2H-pyran-3-ylidene)ethyl]benzenesulfonohydrazide

    Article • Acta Crystallographica Section E Structure Reports Online, October 2014, International Union of Crystallography

    Prof. Oguejiofo T. Ujam

  39. N′-[(4Z)-1-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-ylidene)hexyl]benzenesulfonohydrazide

    Article • Acta Crystallographica Section E Structure Reports Online, May 2014, International Union of Crystallography

    Prof. Oguejiofo T. Ujam

  40. N-(2-Chloroethyl)morpholine-4-carboxamide

    Article • Acta Crystallographica Section E Structure Reports Online, March 2014, International Union of Crystallography

    Prof. Oguejiofo T. Ujam

  41. Synthesis, Characterization, and Biological Activity ofN′-[(Z)-(3-Methyl-5-oxo-1-phenyl-1,5-dihydro-4H-pyrazol-4-ylidene)(phenyl)methyl]benzohydrazide and Its Co(II), Ni(II), and Cu(II) Complexes

    Article • Bioinorganic Chemistry and Applications, January 2014, Hindawi Publishing Corporation

    Prof. Oguejiofo T. Ujam

  42. Kinetics and mechanism of the reduction of μ-adi-di[N,N′-bis{salicylideneethylenediaminatoiron(III)}] by dithionate ion

    Article • Transition Metal Chemistry, December 2013, Springer Science + Business Media

    Prof. Oguejiofo T. Ujam

  43. Immobilization of [Pt2(μ-S)2(PPh3)4] on Polymeric Supports by Sulfide Alkylation and Phosphine Exchange Reactions

    Article • Phosphorus Sulfur and Silicon and the Related Elements, September 2013, Taylor & Francis

    Prof. Oguejiofo T. Ujam, Dr Michael R Mucalo

  44. A zwitterionic monoalkylated derivative of [Pt2(μ-S)2(PPh3)4] from 1,3-propanesultone

    Article • Journal of Structural Chemistry, May 2013, Pleiades Publishing Ltd

    Prof. Oguejiofo T. Ujam

  45. Platinum(II) complexes containing the 3,3-dimethylglutarimidate ligand

    Article • Journal of Coordination Chemistry, September 2012, Taylor & Francis

    Prof. Oguejiofo T. Ujam

  46. A novel structural rearrangement reaction of dialkylated derivatives of [Pt2(μ-S)2(PPh3)4] involving Pt–C bond formation

    Article • Dalton Transactions, January 2012, Royal Society of Chemistry

    Prof. Oguejiofo T. Ujam

  47. Further studies on the dialkylation chemistry of [Pt2(μ-S)2(PPh3)4] with activated alkyl halides RC(O)CH2X (X = Cl, Br)

    Article • Inorganica Chimica Acta, October 2011, Elsevier

    Prof. Oguejiofo T. Ujam

  48. Synthesis and characterization of a platinum(II) complex of camphenylphosphonic acid

    Article • Journal of Coordination Chemistry, September 2011, Taylor & Francis

    Prof. Oguejiofo T. Ujam

  49. The reactivity of [Pt2(μ-S)2(PPh3)4] towards difunctional chloroacetamide alkylating agents: Formation of cyclized or bridged products

    Article • Inorganica Chimica Acta, September 2011, Elsevier

    Prof. Oguejiofo T. Ujam

  50. Further investigations on the methylation chemistry of [Pt2(µ-S)2(PPh3)4]

    Article • Journal of Coordination Chemistry, August 2011, Taylor & Francis

    Prof. Oguejiofo T. Ujam

  51. E/Z isomerism in monoalkylated derivatives of [Pt2(µ-S)2(PPh3)4] containing 2,4-dinitrophenylhydrazone substituents

    Article • Journal of Coordination Chemistry, August 2011, Taylor & Francis

    Prof. Oguejiofo T. Ujam

  52. Dinuclear platinum complexes with designer thiolate ligands from the monoalkylation of [Pt2(μ-S)2(PPh3)4]

    Article • Inorganica Chimica Acta, October 2010, Elsevier

    Prof. Oguejiofo T. Ujam

  53. Assessment of Toxic Trace Metals in Selected Fish Species and Parts of Domestic Animals

    Article • Pakistan Journal of Nutrition, March 2010, Science Alert

    Prof. Oguejiofo T. Ujam