1. Department of ChemistryShahjalal University of Science and Technology Sylhet Bangladesh
2. EMAN Research and Testing Laboratory, School of Pharmaceutical SciencesUniversiti Sains Malaysia Penang Malaysia
3. The School of Chemical SciencesUniversiti Sains Malaysia (USM) Penang Malaysia
4. Chemistry Department, Faculty of ScienceKing Abdulaziz University Jeddah Saudi Arabia
5. EMAN Biodiscoveries Sdn. Bhd., EUREKA ComplexUniversiti Sains Malaysia (USM) Penang Malaysia