1. Department
of Molecular and Cellular Biochemistry, Kangwon National University School of Medicine, Chuncheon, Kangwon-Do 200-701, Korea
2. Department
of Chemistry, Kangwon National University, Chuncheon, Kangwon-Do 200-701, Korea
3. Center
for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 136-791, Korea
4. Departments
of Phamaceutics and Pharmaceutical Chemistry, and Bioengineering,
Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake
City, Utah 84112, United States