Prof. Dr. hab. Stefan Jurga, Adam Mickiewicz University, Nanobiomedical Center,Poznań, Polandstjurga@amu.edu.plProf. Dr.hab Jan Barciszewski, Institute of Bioorganic Chemistry of the Polish Academy of Sciences, Poznań, Poland andAdam Mickiewicz University, Nanobiomedical Center, Poznań, Polandjan.barciszewski@ibch.poznan.pl