1. Department of Chemistry, Comilla University, Cumilla-3506, Bangladesh
2. Center for Nanotechnology, Department of Natural Sciences, Coppin State University, Baltimore, USA
3. Tokushima University, Faculty of Pharmaceutical Science, Tokushima Shi 770-0026, Japan
4. Department of Chemistry, Jagannath University, Dhaka-1100, Bangladesh
5. Department of Pharmaceutics, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia