NIR-II photoacoustic/Raman multimodal imaging for early detection of arteriovenous fistula fibrosis - Xiaobei Cai; Xinyi Liang; Youyi Zhang; Yaning Qin; Taoxia Wang; Xiaoli Liu; Yuanyuan Qiu; Huan Liu; Lin Jin; Zeyu Xiao; Kai Cui; Guiying Li (Chemical Engineering Journal, 2026)