Affiliation: | 1. CAS Key Laboratory for Biomedical, Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, No.11 Zhongguancun Beiyitiao, Beijing 100190, China;2. Institute of High Energy Physics, Chinese Academy of Sciences, No.19B Yuquanlu, Beijing 100049, China;3. CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, No.11 Zhongguancun Beiyitiao, Beijing 100190, China |