1. National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Str., 400293
Cluj-Napoca, Romania
2. Institute for Interdisciplinary Research in Bio-Nano-Sciences, Babes-Bolyai University, 42 T. Laurian, 400271
Cluj-Napoca, Romania
3. Univ. Bordeaux, CNRS, Centre de Recherche Paul Pascal, UMR 5031, 33600 Pessac, France