Olayiwola Olajumoke Abidemi

Chemical Sciences Department, College of Natural and Applied Sciences, P.M.B. 5533, Oduduwa University, Ipetumodu, Ile-Ife, Osun State, Nigeria

Onwordi Chionyedua Theresa

Department of Chemistry, Faculty of Science, Lagos State University, P. O. Box 0001, Ojo campu, Lagos, Nigeria