1. Department of Polymer Science & Engineering
2. Chungnam National University
3. Daejeon 305-764
4. Republic of Korea
5. Department of Chemical & Biological Engineering
6. Department of Green Bioengineering
7. Korea National University of Transportation
8. Chungju 380-702
9. Department of Biomedical Chemistry
10. Konkuk University
11. Chungju-si
12. KB Biomed Inc.