1. Laboratory of Molecular Biology and Virology
2. Department of Biochemistry and Microbiology
3. University of Chemistry and Technology
4. 166 28 Prague 6
5. Czech Republic
6. Laboratory of Chemistry and Technology of Glasses
7. Department of Glass and Ceramics
8. Otto Schott Institute of Materials Research
9. Faculty of Chemistry and Earth Sciences
10. Friedrich Schiller University Jena
11. 07743 Jena
12. Germany