Multi-stage pretreatment coupled with microwave-assisted formic acid hydrolysis for green preparation of xylose residue-based cellulose nanofibers - Haolong Zhang; Wenjing Bu; Ruimin Guo; Sai Zhang; Kai Fu; Zhining Li; Guizhuan Xu; Xiaoyang Zheng; Wei Chen; Chun Chang (Sustainable Chemistry and Pharmacy, 2026)