Controlled extracellular vesicles release from aminoguanidine nanoparticle-loaded polylysine hydrogel for synergistic treatment of spinal cord injury

Shaoke Wang, Rui Wang, Jiangjie Chen, Biao Yang, Jiawei Shu, Feng Cheng, Yiqing Tao, Kesi Shi, Chenggui Wang, Jingkai Wang, Kaishun Xia, Yuang Zhang, Qixin Chen, Chengzhen Liang, Jianbin Tang, Fangcai Li