1. Institute of Chemistry; Jan Kochanowski University; Świętokrzyska 15 G 25-406 Kielce Poland
2. Institute of Biology; Jan Kochanowski University; Świętokrzyska 15 G 25-406 Kielce Poland
3. Department of Chemistry; University of Wroclaw; F. Joliot-Curie 14 50-383 Wrocław Poland
4. Dept. of Immunology and Infectious Biology; University of Lódz; Banacha 12/16 90-237 Łódź Poland