1. State Key Laboratory of Organic–Inorganic Composites Beijing Laboratory of Biomedical Materials College of Materials Science and Engineering Beijing University of Chemical Technology 15 North Third Ring Road Beijing 100029 P. R. China
2. Henan Provincial Key Laboratory of Surface and Interface Science School of Material and Chemical Engineering Zhengzhou University of Light Industry Zhengzhou 450002 China
3. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology of China No. 11, First North Road, Zhongguancun Beijing 100190 China
4. School of Biomedical Engineering Guangzhou Medical University Guangzhou 510260 P. R. China
5. Department of Chemistry and Nanoscience Ewha Womans University Seoul 03760 South Korea