1) Liver and bone tissue engineering
2) Preparation of mucoadhesive polymer
3) Development of new gene carrier
4) Vaccine delivery using polymeric nanoparticles

1979~1998 Assistant Professor, Associate Professor and
Professor, Chonnam National University
1982~1983 Postdoctor, University of Washington
1983~1984 Postdoctor, University of Utah
1991~1992 Research Assiciate, University of Utah
1998~ Professor, Seoul National University

1990, Excellent Research Award, Minister of Science and
Technology
1996, Industry and Academy Cooperative Award, Minister of
Industry and Academy Cooperative Institute
2001, Sangam Kobunja Award, President of Korean Polymer
Society