1. Department of Chemistry; The Bar-Ilan Institute of Nanotechnology and Advanced Materials; Bar-Ilan University; Ramat-Gan 52900 Israel
2. The Biofilm Research Laboratory; The Bar-Ilan Institute of Nanotechnology and Advanced Materials; The Mina and Everard Goodman Faculty of Life Sciences; Bar-Ilan University; Ramat-Gan 52900 Israel