|
Publications (Articles and Journals): 1. L. N. Obasi; (2005): Problems Associated with canned food, Chemistry in Nigeria, 2 (3), 16- 17. 2. P. O. Ukoha, E. C. Okafor, J. N. Asegbeloyin and L. N. Obasi; (2007): Synthesis and spectroscopic characterization of 4-chloroacetyl-3-methyl-1-phenylpyrazol-5-one and its iron (III) complex, International Journal of Chemistry, 17 (3), 217-221. 3. L. N. Obasi, P. O. Ukoha, E. O. Omeje and O. C. Esimone; (2009): Synthesis and Antimicrobial Spectrum of some N-(thiazol-2-yl)sulphonamide and their uranylacetate complexes, Journal of Chem. Soc. Nigeria, 34 (2), 162-167. 4. L. N. Obasi, C. A. Nwadinigwe and J. N. Asegbeloyin; (2008): Determination of trace heavy metals in fluted pumpkin leaves grown on soil treated with sewage sludge and effluents, Book of Proceedings, 31 st International conf. of chemical Society of Nigeria pp. 241-244. 5. P. M. Ejikeme, L. N. Obasi and A. C. C. Egbuonu; (2010): Physico-chemical and toxological studies on Afzelia Africana seed oil, African Journal of Biotechnology, 9 (13), 1959-1963. 6. A. E. Ochonogor and L. N. Obasi; (2010): Activated carbon from gmelina wood, Journal of Chem. Soc. Nigeria, 35 (1), 171-176. 7. A. C. C. Egbuonu, P. M. Ejikeme and L. N. Obasi; (2010): Monosodium glutamate: Potentials at inducing prostate pathologies in male Wistar rats, African Journal of Biotechnology, 9 (36), pp. 5950-5954. 8. L. N. Obasi, A. C. C. Egbuonu, P. O. Ukoha and P. M. Ejikeme; (2010): Comparative Phytochemical and Antimicrobial Screening of some solvent extracts of Samanea saman (fabaceae or mimosaceae) pods, African Journal of Pure and Applied Chemistry 4 (9), pp. 206- 212. 9. P. O. Ukoha, L. N. Obasi and A. Oluah; (2010): Inner-Sphere Oxidation of Thiophenol by Bis(Salicylideneiminato) sulphatocerium(IV) in Aqueous Perchloric Acid Medium, International Journal of Chemistry, 20 (1), 29-36.
10. P. O. Ukoha, C. U. Alioke, L. N. Obasi and K. F. Chah; (2011): Synthesis, Spectroscopic Characterization and Preliminary Antimicrobial Studies of Fe(III) and Ni(II) complexes of two Thiolates; 2,6-diamino-3,5-dithiodiphenoyl pyridine (DDPP) and phenoylbenzylmercaptan (PBM), International Journal of Chemistry, 21 (1), 89-98. 11. P. O. Ukoha, C. U. Alioke, L. N. Obasi and K. F. Chah; (2011): Synthesis, Spectroscopic Characterization and Preliminary Antimicrobial Studies of Mn(II) and Cu(II) Complexes of two Thiolates; s,s’-(2,6-diaminopyridine-3,5-diyl) dibenzenecarbothioate (DBCT) and s-Benzyl benzenecarbothioate (BBCT), E-Journal of Chemistry, 8(1), 231-239. http://dx.doi.org/10.1155/2011/214870 12. L. N. Obasi, P. O. Ukoha and K. F. Chah; (2010): Synthesis of Some Sulphonyl Derivatives of 2-aminothiazole and Antimicrobial Screening, Journal of Chem. Soc. Nigeria, 35 (1), 190- 193. 13. L. N. Obasi, P. M. Ejikeme, and A. C. C. Egbuonu; (2011): Antimicrobial and Phytochemical Evaluation of Methanolic Extract and Fractions of Jatropha Curcas Linn (Eurphorbiaceae) Stem Bark, African Journal of Pure and Applied Chemistry 5 (5), pp. 92-96. 14. L. N. Obasi, P. O. Ukoha and K. F. Chah; (2011): Synthesis, Spectroscopic Characterization and Antimicrobial Screening of N-(thiazol-2-yl)ethanesulphonamide and its nickel (II) and cobalt (II) complexes, Journal of Chem. Soc. Nigeria, 36 (1), 138-144. 15. L. N. Obasi, P. O. Ukoha, A. O. Anaga and K. F. Chah; (2011): Synthesis, Spectroscopic Characterization and Antibacterial Screening of Novel N-(Benzothiazol-2-yl)ethanamides, Asian Journal of Chemistry, 23 (5), pp. 2043-2045. 16. L. N. Obasi, P. O. Ukoha and K. F. Chah; (2011): Synthesis, Spectroscopic Characterization and Antimicrobial Screening of N-(thiazol-2-yl)-4-chlorobenzensulphonamide and its nickel (II) and cobalt (II) complexes, Journal of Chem. Soc. Nigeria, 36 (1), 102-109. 17. A. C. C. Egbuonu, P. M. Ejikeme and L. N. Obasi; (2010): Influence of sub-chronic oral exposure to high monosodium glutamate on some serum markers of the renal functions in male Wistar rats, African Journal of Biochem Research, 4 (9), 225-228.
18. P. O. Ukoha, E.N. Dim and L. N. Obasi ; (2012): Corrosion Inhibitive Properties and Adsorption behaviour of acetone extract of Anacardium occidentale on Mild Steel and aluminium in HCl, Asian Journal of Chemistry, 24 (5), 1899-1905. 19. P. O. Ukoha, A. C. C. Egbuonu, L. N. Obasi and P. M. Ejikeme; (2011): Tannins and other Phytochemical of the Samanaea saman pods and their Antimicrobial Activities, African Journal of Pure and Applied Chemistry 5 (8), 237-244. 20. P. O. Ukoha, F. I. Nwabue and L. N. Obasi; (2011): Solvent Extraction Studies on Copper(II) and Silver(I) Complexes of Bis(4-hydroxypent-2-ylidene)diaminoethane:
Composition of Extracted Copper(II) Species, E-Journal of Chemistry, 8(4), 1864-1871. http://dx.doi.org/10.1155/2011/582649 21. P.O.Ukoha, L. N. Obasi and F. I. Nwabue; (2012): Solvent Extraction Studies on Copper(II) and Silver(I) Complexes of Bis(4-hydroxypent-2-ylidene)diaminoethane: Separation of Ag(I) from Cu(II), International Journal of Chemistry, 22(1), 15-24. 22. L. N. Obasi, Okoye C. O. Benedict, P. O. Ukoha, and A. O. Anaga; (2012): Syntheses, Characterization, and Antimicrobial Screening of N-(benzothiazol-2- yl)benzenesulphonamide and its Cu(I), Ni(II), Mn(II), Co(II), and Zn(II) Complexes, E-Journal of Chemistry, 9(4), 2354- 2370. http://dx.doi.org/10.1155/2012/496541 23. L. N. Obasi, C. O. B. Okoye, P. O. Ukoha, and K. F. Chah; (2013): Syntheses, Characterization and Antimicrobial Screening of N-(benzothiazol-2- yl)-2,5- dichlorobenzenesulphonamide and its Cu(I), Ni(II), Mn(II), Co(III) and Zn(II) Complexes, Asian Journal of Chemistry, 25 (5), 2199-2207. 24. L. N. Obasi, C. O. B. Okoye, P. O. Ukoha, and K. F. Chah; (2013): Syntheses, Characterization and Antimicrobial Screening of N-(benzothiazol-2- yl)-4- methylbenzenesulphonamide and its Cu(I), Ni(II), Mn(II), Co(III) and Zn(II) Complexes, Asian Journal of Chemistry, 25 (5), 2369-2376. 25. L. N. Obasi, C. O. B. Okoye, and A. O. Anaga; (2014): Syntheses, Characterization, and Antimicrobial Screening of N-(benzothiazol-2-yl)-2-nitrobenzenesulphonamide and its Cu(I), Ni(II), Mn(II), Co(II) and Zn(II) Complexes, Chemistry and Material Research, 6(3), 140-150. 26. L. N. Obasi and A. Ibezim; (2015): Physico-Chemical and Toxicological Studies on Xylopia aethropica leaves, Int. J. Chem. Sci., 13(1), 178-186. 27. L. N. Obasi, G. U. Kaior, L. Rhyman, A. A. Ibrahim, F. Hoong-Kun and P. Ramasami; (2016): Synthesis, Characterization, Antimicrobial Screening and Computational Studies of 4-[3- (4-Methoxy-phenyl)-allylideneamino]-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one, J. Mol. Struc., 1120, 180-186. DOI:10.1016/j.molstruc.2016.05.037 28. L. N. Obasi, U. S. Oruma, A. A. Ibrahim, P. Ramasami, C. J. Ezeorah and A. E. Ochonogor; (2017): Synthesis, Characterization and Antibacterial Studies of N-(Benzothiazol-2-yl)-4- chlorobenzenesulphonamide and Its Neodymium(III) and Thallium(III) Complexes, Molecules, 22(2), 153; doi:10.3390/molecules22020153 29. L. N. Obasi, G. U. Kaior, A. Ibezim, A.E. Ochonogor, L. Rhyman, V. Uahengo, M. Lutter, K. Jurkschat and P. Ramasami; (2017): Synthesis, Characterization, Antimicrobial Screening and in silico Studies of Schiff Bases Derived from Trans-para-methoxycinnamaldehyde, J. Mol. Struc., 1149, 8-16. http://dx.doi.org/10.1016/j.molstruc.2017.07.097
30. S. Senthilkumar, R. Goswami, L. N. Obasi, and S. Neogi; (2017): Construction of Pillar- Layer MOFs for CO 2 Adsorption under Humid Climate, High Selectivity and Sensitive Detection
of Picric Acid in Water, ACS Sustainable Chem. Eng., 5(12), 11307–11315. DOI: 10.1021/acssuschemeng.7b02087 31. L. N. Obasi, Ezugwu, D. N. and Ramasami, P.; (2017): Syntheses, Characterization and Antibacterial Screening of Nd(III) and Gd(III) Complexes of N-(benzothiazol-2- yl)benzenesulphonamide, Communications in Physical Sciences, 2 (1), 14-25. 32. J. C. Ezeorah, V. Ossai, L. N. Obasi, M. I. Elzagheid, L. Rhyman, M. Lutter, K. Jurkschat, N. Dege and P. Ramasami; (2018): Synthesis, Characterization and Computational Studies of 3- {(E)-[(2-hydroxyphenyl)imino]methyl}benzene-1,2-diol and Molecular Structure of its Zwitterionic Form, J. Mol. Struc., 1152, 21-28. DOI/10.1016/j.molstruc.2017.09.083 33. U. S. Oruma, P. O. Ukoha, L. Rhyman, M. I. Elzagheid, L. N. Obasi, P. Ramasami and K. Jurkschat; (2018): Synthesis, Characterization, Anti-microbial Screening and Computational Studies of a Tripodal Schiff Base containing Pyrimidine Unit, J. Heterocyclic Chemistry, 55(5), 1119-1129. DOI:10.1002/jhet.3142. 34. Chinyere E. E, Ukoha P. O., Agbo J. N and Obasi L. N. (2018): Electrical Conductivity, Electronic Absorption, IR and NMR Studies On Cr(III), Sn(IV) and Pb(IV) Complexes of an Azo Ligand derived from Isatin and 4-Aminoantipyrine, Nigerian Journal of Chemical Research, 23(2), 71-82. 35. L. N. Obasi, J. C. Ezeorah, V. Ossai, J. Ayogu, U. S. Oruma, A. Ibezim, L. Rhyman, M. Lutter, K. Jurkschat, N. Dege and P. Ramasami; (2019): Structural, computational and in silico studies of Schiff bases derived from 2,3-dihydroxybenzaldehyde and molecular structure of their zwitterionic forms, J. Mol. Struc., 1188, 69-75. DOI/10.1016/j.molstruc.2019.03.081 36. C. G. Okenwa-Ani, L. N. Obasi, A. E. Ochonogor and J. N. Ihedioha; (2019): Heavy Metals Levels in Plastics Housing of Televisions: Is there a changing trend across three decades (1980- 2000)?, Iranian Journal of Toxicology, 13(3), 27-32. 37. Dege, N., Ersanli, C. C. and Obasi. L. N. (2019): Density Functional Theory Computations of (E)-4-((furan-2-ylmethylene)amino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one. Proceedings of the 8th International Vocational Schools Symposium, UMYOS’19 SİNOP, Turkey, 11-13 June, 2019. Pp. 18-24. 38. V. Ossai, P. O. Ayogu, C. B. Laraps, O. U. Okenyeka, J. C. Ezeorah, N. Dege, A. Ibezim, M. Lutter, K. Jurkschat and N. L. Obasi; (2020): Crystal Structural and In silico Studies of Schiff bases derived from 4-aminoantipyrine, Solid State Sciences, 106, 106293, https://doi.org/10.1016/j.solidstatesciences.2020.106293 39. Nnamdi C. Okey, Nnamdi L. Obasi, Paul M. Ejikeme, Derek T. Ndinteh, Ponnadurai Ramasami, El-Sayed M. Sherif, Ekemini D. Akpan and Eno E. Ebenso; (2020): Evaluation of some amino benzoic acid and 4-aminoantipyrine derived Schiff bases as corrosion inhibitors for mild steel in acidic medium: Synthesis, experimental and computational studies, J. Mol. Liquids, 315, 113773, DOI:10.1016/j.molliq.2020.113773
40. U. S. Oruma, P. O. Ukoha and N. L. Obasi; (2020): Synthesis, Characterization and Biological Studies of Trinuclear Ce(IV) Salen Capped Complex with 5-amino-2,4,6-tris(4- carboxybenzimino)-1,3-pyrimidine, Communications in Physical Sciences, 5(3), 403-417. 41. G. U. Kaior N. J. Nwodo, U. S. Oruma, A. Ibezim, A. E. Ochonogor, K. K. Onyia and N. L. Obasi; (2020): Structural, Antimicrobial and in Silico Studies of Some Schiff Bases of Trans- paramethoxycinnamaldehyde Derivatives, Communications in Physical Sciences, 5(4), 544-566. |
Area of Specialization |
Research archive |
Biography |