Click-crosslinked nano-hydrogel enables metabolic immune reprogramming for diabetic foot ulcers - Heng Gong; Tingjiang Gan; Xikun Ma; Ye Wu; Yaxing Li; Shijiu Yin; Biao Cao; Xiangtian Deng; Cheng Zheng; Yunbing Wang; Hui Zhang (Science China Life Sciences, 2026)