1. 1Institute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 81237 Bratislava, Slovakia
2. 2Department of Chemistry, Faculty of Sciences and Technology, University of Coimbra, 3004-533 Coimbra, Portugal
3. 3Department of Analytical Chemistry, A.M. Butlerov Institute of Chemistry, Kazan State University, Kremlevskaya 18, 420008 Kazan, Russia
4. 4Institute of Biophysics, Academy of Sciences, Královopolská 135, 612 65 Brno, Czech Republic
5. 5Department of Chemistry, University of Florence, Via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
6. 6Faculty of Pharmacy, Ege University, Bornova-Izmir, Turkey 35100
7. 7Department of Nanoengineering, University of San Diego, La Jolla, CA 92093, USA