1. Institute of Analytical Chemistry of the Czech Academy of Sciences, 602 00 Brno, Czech Republic
2. Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053 Regensburg, Germany
3. Department of Biochemistry/Biotechnology, University of Turku, 20014 Turku, Finland
4. Institute of Physics of Materials of the Czech Academy of Sciences, 616 62 Brno, Czech Republic
5. Centre for Modern Interdisciplinary Technologies/Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland