1. Drug Delivery & Nanomedicines Research Laboratory, Department of Pharmaceutics, University of Nigeria, Nsukka 410001, Enugu State, Nigeria
2. Nanomedicines & Drug Delivery Research Group, Department of Pharmaceutics & Pharmaceutical Technology, Nnamdi Azikiwe University, Agulu, Anambra State, Nigeria
3. Institut für Pharmazeutische Technologie, Technische Universität Carolo Wilhelmina zu Braunschweig, Mendelssohnstr. 1, D-38106, Braunschweig, Germany