1. Department of General Biophysics
2. University of Lodz
3. 90-236 Lodz, Poland
4. Centre of Molecular and Macromolecular Studies
5. Polish Academy of Sciences
6. 90-363 Lodz, Poland
7. Laboratoire de Chimie de Coordination du CNRS (LCC)
8. F-31077 Toulouse cedex 4, France