1. Department of ChemistryNational Cheng Kung University Tainan 701 Taiwan
2. Institute for Translational Research in BiomedicineKaohsiung Chang Gung Memorial Hospital Kaohsiung 83301 Taiwan
3. National Synchrotron Radiation Research Center Hsinchu 30076 Taiwan
4. Department of Radiation OncologyChang Gung Memorial Hospital Kaohsiung 83301 Taiwan
5. Department of Biomedical Imaging and Radiological SciencesNational Yang Ming University Taipei 112 Taiwan
6. Center of Applied NanomedicineNational Cheng Kung University Tainan 701 Taiwan
7. Department of Medicinal and Applied ChemistryKaohsiung Medical University Kaohsiung 807 Taiwan