1. Faculty of EngineeringBar‐Ilan University Ramat‐Gan 5290002 Israel
2. Bar‐Ilan Institute of Nanotechnologies and Advanced MaterialsBar‐Ilan University Ramat‐Gan 5290002 Israel
3. Department of Biotechnology and Food EngineeringTechnion ‐ Israel Institute of Technology Haifa 3200003 Israel
4. Department of ChemistryBar‐Ilan University Ramat‐Gan 5290002 Israel
5. Department of Life SciencesBar‐Ilan University Ramat‐Gan 5290002 Israel
6. Department of PhysicsUniversity of California, San Diego La Jolla CA 92093 USA
7. Russell Berrie Nanotechnology InstituteTechnion ‐ Israel Institute of Technology Haifa 3200003 Israel