1. Department
of Applied Physics
and ‡School of Pharmacy,University of Eastern Finland, P.O. Box
1627, FI-70211 Kuopio, Finland
2. Department of Chemistry and ∥Department of Physics and Astronomy, University of Turku, FI-20014 Turku,
Finland
3. Henry Wellcome
Unit for Biological
EPR, School of Chemistry, University of East Anglia, Norwich NR4 7TJ, United Kingdom
4. Laboratory of Inorganic Chemistry, University of Helsinki, P.O. Box 55, FI-00014 Helsinki,
Finland