1. Department of Chemistry; Federal University Ndufu-Alike Ikwo (FUNAI); PMB 1010 Abakaliki Ebonyi State Nigeria
2. Inorganic Unit, Department of Chemistry; University of Ibadan; Oyo State Nigeria
3. Material Science Innovation and Modelling (MaSIM) Research Focus Area, Faculty of Agriculture, Science and Technology, North-West University (Mafikeng Campus); Private Bag X2046 Mmabatho South Africa
4. Department of Chemistry, School of Mathematical and Physical Sciences, Faculty of Agriculture, Science and Technology; North-West University (Mafikeng Campus); Private Bag X2046 Mmabatho 2735 South Africa
5. Department of Chemistry; Adnan Menderes University; Aydin 09010 Turkey
6. Department of Polymer Engineering; University of Akron; Akron Ohio 44325 U.S.A.
7. Catalysis and Peptide Research Unit, School of Health Sciences; University of KwaZulu-Natal; Durban 4041 South Africa
8. Department of Pure and Industrial Chemistry, Faculty of Physical Sciences; University of Nigeria; Nsukka 410001 Enugu State Nigeria
9. Department of Pharmaceutical and Medicinal Chemistry; University of Nigeria; Nsukka Nigeria