A dual-layer chitosan-based conductive hydrogel and piezoelectric film for ultrasound-driven wound repair and scar reduction - Shiyuan Yao; Tiantian Chen; Zilin Liu; Lihong Fan; Yiju Xie; Sasha You; Huixuan Sun; Yihan Xu; Guangxu Wang; Heshuang Dai; Yong Hu; Yue Zhang; et al. (Carbohydrate Polymers, 2025)