* Corresponding authors

^a Key Laboratory of Biomedical Information Engineering of Ministry of Education, and Department of Biomedical Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China
E-mail: yjzong@xjtu.edu.cn, mxwan@xjtu.edu.cn

^b Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, PR China
E-mail: wangxiaobing@snnu.edu.cn

^c CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanosciences, National Center for Nanoscience and Technology of China, No. 11 Beiyitiao, Zhongguancun, Beijing 100190, PR China