1. L. N. Obasi, U. S. Oruma, I. A. Al-Swaidan, 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, 153, 1-11.

2. Efeturi A. Onoabedje, Benjamin E. Ezema, Samuel A. Egu, Florence U. Eze, Coliins U. Ibeji, Felicia N. Ibeanu and Uchechukwu S. Oruma (2017). New Angular Phenoxazine and Triangular Benzoxazinophenothiazine Dyestuffs. Asian J. of Chemistry, vol 29, no. 1, 1-3.

3. J. N. Asegbeloyin, N. N. Ukwueze, J. N. Ihedioha and U. S. Oruma (2015). Levels of Toxic Trace Metals and Mineral Elements in Broiler Chicken Raised at Nsukka, Nigeria: An Evaluation of Possible Potential Health Risk. Asian J. of Chem., Vol. 27, No. 10, 3781 – 3785.

4. Jonnie N. Asegbeloyin, IIknur Babahan, Nwanneka N. Ukwueze, Uchechukwu S. Oruma, Esin Coban Poyrazoglu, Uchenna F. Eze and Halil Biyik (2015). Synthesis, Characterization and Antimicrobial Activity of 3- Acetyl-4-hydroxy-6-methyl-(2H)pyran-2-one Schiff Base with 2,21-(Ethylenedioxy)diethylamine and its Co(II), Ni(II) and Cu(II) Complexes. Asian J. of Chem. Vol. 27, No. 9, 3345 – 3349.

5. E. C. Nkpozi, U. S. Oruma and P. O. Ukoha (2015). Extractive Determination of Zn(II) and Cd(II) in Industrial Samples Using 1, 5- Dimethyl-2-phenyl-4-[(E)-2,3,4-trihydroxyphenyl)]diazenyl-1,2-dihydroxyl-3H-pyrazol-3-one, (H3L). J. Chem. Soc. Nigeria, Vol. 40, No. 2, 6 – 14.

6. Oruma, U.S., Ukoha P.O. and Asegbeloyin J. N. (2014). Synthesis, Characterization and Biological Studies of S-1,3-Benzothiazol-2-ylthiophene-2-carbothioate and It Ce(IV) and Nd(III) Complexes.Asian J. of Chemistry, vol. 26, no. 22, 7622-7626.

7. Ukoha P. O. and Oruma U.S.(2014). Synthesis and Antimicrobial Studies of N, N1-Bis(4-dimethylaminobenzylidene)ethane-1, 2-diamine and its Nickel(II) and Platinum(IV) Complexes. J. Chem. Soc. Nig.,vol39(2),102-107.

8. Oruma, U. S., Asegbeloyin J. N., Eze F. U., and Chah K. F.(2014). Synthesis, Characterization and Preliminary Antimicrobial Screening of (2Z, 4Z)-4-(Pyrimidin-2-ylimino) pent-2-en-2-ol (PIP) and Its Copper(II) and Chromium(III) Complexes. Int. J. Chem. Sci., 12(11), 136-144.

9. Ukoha P. O. and Oruma U.S.(2012). Synthesis, Characterization and Preliminary Antimicrobial Studies of N,N1-Bis(4-dimethylaminobenzylidene)ethane-1,2-diamine(DAED) and Its Lutetium(III) and Dysprosium(III) Complexes. J. Chem.Soc. Nig., vol. 37, no.2, 4-9.

10. Ukoha, P.O., Madu, K. C., and Oruma, U.S. (2011).  Spectroscopic Determination of    

 Lamivudine, Zidovudine and Nevirapine using 2,3-dichloro-5,6-dicyano-1,4-benzoquinone and Chloranilic Acid. Proc. 34th Annual International Conference, Workshop and Exhibition of  the Chemical Society of Nigeria, Ilorin, P. Org., 89-93.

11. Oruma, U. S. and Ukoha, P.O. (2010). New Biologically Active Pentahapto(?5-) Complexes of Thiophene:  Synthesis, Spectral and Biological Activity of S-pyridin-4-ylthiophene-2-carbothioate(PTC) and Its Ce(IV) and Nd(III) Complexes. Proc. 33rd  Annual International Conference, Workshop and Exhibition of  the Chemical Society of Nigeria, Ogun, P. 306- 312.