1. Department of Chemistry, Faculty of Science; Kamenice 5 625 00 Brno Czech Republic
2. Department of Physical Electronics, Faculty of Science; Masaryk University; Kotlářská 2 61137 Brno Czech Republic
3. CEPLANT, R&D Centre for Low-Cost Plasma and Nanotechnology Surface Modifications; Masaryk University; Kotlářská 2 61137 Brno Czech Republic
4. International Clinical Research Center, St. Anne's University Hospital; Pekařská 53 656 91 Brno Czech Republic