1. Department of Chemistry, Chittagong University of Engineering & Technology, Chattogram 4349, Bangladesh
2. Center for Nanotechnology, Department of Natural Sciences, Coppin State University, 2500W. North Ave, Baltimore, MD, USA
3. Department of Biomedical Engineering, Chittagong University of Engineering & Technology, Chattogram 4349, Bangladesh
4. Radioisotope Production Division, Institute of Nuclear Science and Technology, Atomic Energy Research Establishment, Savar, Dhaka, Bangladesh