Sunday C Ekpo Editor

Enyioma C. Okpara was a Visiting Research Fellow at the Faculty of Science and Engineering, Manchester Metropolitan University, UK.

Taiwo W. Quadri is with the Centre for Materials Science, College of Science, Engineering and Technology, University of South Africa.

Chandrabhan Verma is with the Department of Chemical and Petroleum Engineering, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.

Sunday C. Ekpo is Senior Lecturer in the Department of Electrical and Electronic Engineering, Manchester Metropolitan University, UK.

Damian C. Onwudiwe is Full Professor in the Faculty of Natural and Agricultural Sciences, North-West University (Mafikeng Campus), South Africa.

Craig E. Banks is Professor and Personal Chair in Chemistry in the Faculty of Science and Engineering, Manchester Metropolitan University, UK.