1. School of Chemical
Engineering and Technology, Tianjin University, No. 135 Yaguan Road, Haihe Education
Park, Jinnan District, Tianjin 300350, China
2. CAS Center for Excellence in Nanoscience, Chinese Academy of Sciences, CAS Key Laboratory for Biological Effects of Nanomaterials & Nanosafety, National Center for Nanoscience and Technology, No. 11 Beiyitiao, Zhongguancun, Beijing 100190, China
3. University of Chinese Academy of Sciences, Beijing 100049, China
4. College of Materials Science and Engineering, Zhejiang University of Technology, No. 18 Chaowang Road, Hangzhou 310014, China
5. Laboratory
of Molecular Imaging, Department of Radiology, Howard University, Washington, D.C. 20060, United States
6. College of Science and Engineering, Fu Jen Catholic University, Taipei 24205, Taiwan