Evaluation of cytotoxicity of Natural Nano-attapulgite and its enhancement of Vero cell productivity

LI HE, KEJIAN DING , HAO WU, NAN WANG , COREY WILLIAMS, QIONG YAN, XIANGCHEN LI, WEIJUN GUAN, GUOSONG WU, PAUL K. CHU College of Life sciences and Bioengineering, Beijing Jiaotong University, Beijing 100044, P R China Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100083, P R China Department of Physics & Materials Science, City University of Hong Kong, Kowloon, Hong Kong, P R China