1. Department of Applied Chemistry and Industrial Chemistry
2. Ramakrishna Mission Vidyamandira
3. Howrah-711 202, India
4. National Physical Laboratory (CSIR)
5. New Delhi 110012, India
6. Department of Chemistry
7. Pittsburg State University
8. Pittsburg, USA
9. Dept. of Chemistry and Bioengineering
10. Rice University
11. Houston, USA