1. Membrane and Separation Technology Laboratory, Department of Chemistry, National Institute of Technology Karnataka, Surathkal, 575 025 Mangalore, India
2. Department of Conservative Dentistry and Endodontics, A.B. Shetty Memorial Institute of Dental Sciences, Nitte deemed to be University, Deralakatte, 575018 Mangalore, India
3. Department of Chemical Engineering and Applied Chemistry, University of Toronto, M5R OA3 Toronto, Canada