Mechanically evolving and solvent-responsive waste-valorized poly (methacrylated β-keratin) organogel nanostructures and exogel spatiotemporal transition property - Yoobsan Ejeta Amensisa; Chia-Kuan Lin; Chih-Chia Cheng; Chang-Mou Wu; Chien-Hsing Lu; Jem-Kun Chen (Chemical Engineering Journal, 2026)