1. The WCU Center for Synthetic
Polymer Bioconjugate Hybrid Materials, Department of Polymer
Science and Engineering, Pusan National University, Pusan 609 735, Korea
2. National Research
and Development Center for Hepatobiliary Cancer, Pusan National University, Yangsan Hospital, Yangsan
626-870, Korea
3. Department of Chemistry and Chemistry Institute
for Functional Materials, Pusan National University, Pusan 609
735, Korea