1. Department of Packaging; Yonsei University; 1 Yonseidae-gil Wonju, Gangwon-do 220-710 Korea
2. Department of Chemical and Biomolecular Engineering; Yonsei University; 262 Seongsanno Seodaemun-gu, Seoul 120-749 Korea
3. Center of Excellence for Advanced Materials Research and Chemistry Department, Faculty of Science; King Abdulaziz University; PO Box 80203 Jeddah 21589 Saudi Arabia