1. Contribution from the Department of Chemistry, University of Geneva, CH-1211 Geneva, Switzerland, Department of Chemistry, University of Florence, Via della Lastruccia 3, 50019 Sesto Fiorentino (Fi), Italy, Department of Biophysics, Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, 043 53 Kosice, Slovakia, Department of Biochemistry, Faculty of Science, P.J. Safarik University, Moyzesova 11, 041 54 Kosice, Slovakia, and Department of Chemistry & Biochemistry, University of...