1. Department of Marine Engineering, Faculty of Maritime, Van Yuzuncu Yil University, Van, Turkey;
2. Department of Medical Pharmacology, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey;
3. Department of Chemistry, Institute of Science, Van Yuzuncu Yıl University, Van, Turkey;
4. Department of Physics, Faculty of Sciences, Atatürk University, Erzurum, Turkey