1. “Petru Poni” Institute of Macromolecular Chemistry, Romanian Academy, Group of Biospectroscopy, Aleea Grigore Ghica 41-A, RO-700487 Iasi, Romania
2. “Costin D. Nenitescu” Centre of Organic Chemistry, Romanian Academy, Group of Biospectroscopy, Spl. Independentei 202-B, RO-060023 Bucharest, Romania
3. “Ovidius” University of Constanta, Department of Chemistry and Chemical Engineering, Bd. Mamaia 124, RO-900527 Constanta, Romania