1. Department of Chemistry and Biology, Technical University of Cluj-Napoca, 76 Victoriei Str., 430122 Baia Mare, Romania
2. INCDO-INOE 2000, Research Institute for Analytical Instrumentation, 67 Donath Street, 400293 Cluj-Napoca, Romania
3. Raluca Ripan’ Institute for Research in Chemistry, Babes Bolyai University, Fantanele, 30, 400294 Cluj-Napoca, Romania