1. Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece, http://bioinorglab.web.auth.gr/en_site/page1en.asp
2. Laboratory of Inorganic Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
3. Banat's University of Agricultural Sciences and Veterinary Medicine of Timisoara, Timisoara 300645, Romania