1. Department of BiochemistryFaculty of ChemistryWroclaw University of Science and Technology Wroclaw 50-370 Poland
2. Institute of PaleobiologyPolish Academy of Sciences Warsaw 00-818 Poland
3. Advanced Materials Engineering and Modelling GroupFaculty of ChemistryWroclaw University of Science and Technology Wroclaw 50-370 Poland
4. Department of Cell BiophysicsFaculty of Biochemistry, Biophysics and BiotechnologyJagiellonian University Krakow 30-387 Poland
5. Institute of Low Temperature and Structure ResearchPolish Academy of Sciences Wroclaw 50-422 Poland
6. Department of Materials Science and Engineering and the Russell Berrie Nanotechnology InstituteTechnion Israel Institute of Technology Haifa 32000 Israel