1. Department of Physics
2. National University of Singapore
3. Singapore
4. Centre for BioImaging Sciences and Department of Biological Sciences
5. Department of Chemistry
6. University of Illinois at Chicago
7. Chicago
8. USA
9. School of Materials Science and Engineering
10. East China University of Science and Technology
11. Shanghai 200237
12. P. R. China
13. Departments of Physics and Biopharmaceutical Sciences