1. Institute of Material Science and Engineering, West Pomeranian University of Technology; PL-70310 Szczecin Poland
2. Institute of Physics, West Pomeranian University of Technology; PL-70311 Szczecin Poland
3. Center of Bioimmoblisation and Innovative Packaging Materials, Faculty of Food Sciences and Fisheries, West Pomeranian University of Technology; PL-71-270 Szczecin Poland