1. Department of ChemistryCenter for Environmental Science and EngineeringIndian Institute of Technology Kanpur Kanpur 208016 (UP) India
2. Division of MicrobiologyCSIR-Central Drug Research Institute, Sector 10, Janakipuram Extension Sitapur Road Lucknow 226031 India
3. DST Thematic Unit of Excellence on Soft NanofabricationIndian Institute of Technology Kanpur, Kanpur Uttar Pradesh 208016 India