1. Central Researching Laboratory, Agri Ibrahim Cecen University, Agri, Turkey,
2. Faculty of Science, Department of Chemistry, Atatürk University, Erzurum, Turkey,
3. Department Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia, and
4. Laboratorio di Chimica Bioinorganica, Università degli Studi di Firenze, Via della Lastruccia, Sesto Fiorentino, Firenze, Italy