1. Department of Chemistry, Covenant University, PMB 1023, Ota, Ogun State, Nigeria
2. Department of Chemistry, Federal University of Agriculture, PMB 2240, Alabata Road, Abeokuta, Nigeria
3. Department of Medical and Parasitology, Sacred Heart Hospitals, Lantoro, Abeokuta, Nigeria
4. Department of Physics, Covenant University, PMB 1023, Ota, Ogun State, Nigeria
5. Department of Mechanical Engineering Science, University of Johannesburg, Auckland Park Kingsway Campus, Johannesburg 2006, South Africa