1. Department of Chemistry; University of Zanjan; P.O. Box 45195-313 Zanjan Iran
2. Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center; Tehran University of Medical Sciences; Tehran 14176 Iran
3. Medical Biomaterials Research Center; Tehran University of Medical Sciences; Tehran Iran
4. Department of Chemistry; Payame Noor University; P.O. Box 19395-3697 Tehran Iran
5. School of Mechanical Engineering; Yeungnam University; Gyeongsan 712-749 Republic of Korea