1. Biomaterials Research Centre Sumy State University,Sumy,Ukraine
2. Silesian University of Technology,Faculty of Chemistry,Gliwice,Poland
3. Institute of Atomic Physics and Spectroscopy University of Latvia,Riga,Latvia
4. Sumy State University,Theoretical and Applied Chemistry Department,Sumy,Ukraine
5. Institute of Applied Phisics National Academy of Sciences of Ukraine,Sumy,Ukraine