1. Gwangju Center, Korea Basic Science Institute, Gwangju 61186, Republic of Korea
2. School of Chemical Engineering, Chonnam National University, Gwangju 61186, Republic of Korea
3. Research Center for Environmentally Friendly Agricultural Life Sciences, Jeonnam Bioindustry Foundation, Jeonnam 58275, Republic of Korea
4. Department of Dental Materials, College of Dentistry, Chosun University, Gwangju 61452, Republic of Korea
5. Tyros Biotechnology Inc., 75 Kneeland St. 14 Floors, Boston, MA 02111, USA