1. Department of Chemistry
2. University of Calcutta
3. Kolkata-700 009
4. India
5. Immunology & Microbiology Laboratory
6. Dept. of Human Physiology with Community Health
7. Vidyasagar University
8. Midnapore-721102
9. Department of Physics
10. National Taiwan University
11. Taipei 106
12. Taiwan
13. Panchakot Mahavidyalaya
14. Purulia