Affiliation: | aDepartment of Chemical & Biomolecular Engineering, Sogang University, #1 Shinsu-dong, Mapo-gu, Seoul 121-742, Republic of Korea;bInterdisciplinary Program of Integrated Biotechnology, Sogang University, #1 Shinsu-dong, Mapo-gu, Seoul 121-742, Republic of Korea;cDivision of Oral Biology School of Dentistry, Kyung Hee University, Seoul 130-701, Republic of Korea |