1. Department of Inorganic and Analytical Chemistry, Chemical Nanosensor Research Group, Budapest University of Technology and Economics, Szt. Gellért tér 4, H-1111 Budapest, Hungary
2. Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Magyar tudósok krt. 2, H-1117 Budapest, Hungary
3. Åbo Akademi University, Faculty of Science and Engineering, Laboratory of Analytical Chemistry, Biskopsgatan 8, FIN-20500 Åbo, Finland