1. Department of Bionanosystem Engineering; Graduate School; Chonbuk National University; Jeonju 561-756 Republic of Korea
2. Mechanical Design Engineering; Chonbuk National University; Jeonju 561-756 Republic of Korea
3. Department of Radiology; Chonnam National University Hwasun Hospital; Chonnam National University Medical School; Gwangju 501-746 Republic of Korea
4. Department of Chemistry; University of North Carolina; Chapel Hill NC 27599-3290 USA
5. College of Materials Science and Engineering; Shenzhen University; Shenzhen 518060 PR China
6. Nanshan District Key Lab for Biopolymers and Safety Evaluation; Shenzhen 518060 PR China
7. Shenzhen Key Laboratory of Special Functional Materials; Shenzhen 518060 PR China