F.Q. MA, X.L. LIU, D. LIU, L. LI and Y.F. ZHENG 1 Center for Biomedical Materials and Engineering, Harbin Engineering University, Harbin 150001, China 2 Department of Advanced Materials and Nanotechnology, College of Engineering, Peking University, No.5 Yi-He-Yuan Road, Beijing 100871, China a mafuqiu@hrbeu.edu.cn, b liuxiliang5173@163.com, c liudong@hrbeu.edu.cn, d lili_heu@hrbeu.edu.cn, e yfz...