1. Laboratory of General Chemistry, School of Chemical Engineering, National Technical University of Athens, Zografos Campus, 15772 Athens, Greece
2. Laboratory of Biology, Department of Basic Medical Sciences, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
3. Foundation of Research and Technology Hellas, Institute of Chemical Engineering Sciences, Platani, 26504 Patras, Greece
4. Department of Chemistry, University of Massachusetts Lowell, Lowell, MA 01854, USA
5. Institute of Nanoscience and Nanotechnology, National Center for Scientific Research “Demokritos”, Agia Paraskevi, 15310 Athens, Greece