1. Institute of Physics ASCR, Cukrovarnická 10, Prague 16200, Czech Republic
2. Department of Biochemistry, Faculty of Science, Charles University, Hlavova 2030/8, Prague 12840, Czech Republic
3. Department of Biochemistry and Microbiology, University of Chemistry and Technology, Technická 3, Prague 16628, Czech Republic
4. Faculty of Electrical Engineering, Czech Technical University in Prague, Technická 2, Prague 16627, Czech Republic