1. Department of Inorganic and Physical Chemistry and Department of Instrumentation and Applied Physics; Indian Institute of Science; Bangalore 560012 India
2. Department of Biochemistry and Centre for Infectious Disease Research; Indian Institute of Science; Bangalore 560012 India
3. Bioengineering program; Indian Institute of Science; Bangalore 560012 India
4. Department of Microbiology & Cell Biology; Indian Institute of Science; Bangalore 560012 India