Dendritic polyethylene glycol-modified folate–nickel nanotubes as an efficient antitumor nano-metal medicine. - Dong, Zhipeng; Zhang, Nanxia; Zhang, Jiahao; Luo, Jun; Xu, Yisong; Tang, Weifang; Ye, Baofen; Wang, Yue (Journal of Materials Science, 2022)