1. Department of Chemistry
2. Periyar University
3. Salem - 636 011
4. India
5. Centre of Advanced Studies in Crystallography and Biophysics
6. University of Madras
7. Chennai - 600 025
8. Centre for Advanced Study in Botany
9. School of Life Sciences
10. Karunya University
11. Coimbatore - 641 114
12. Howard University
13. Washington
14. USA