Polyethylenimine-glutaraldehyde modification of Novozym® 435 enhances stability and sugar ester synthesis in a xylose-based natural deep eutectic solvent - Souza, Leonardo de; Guimarães, José Renato; Amaral, Jessica Cristina; Fernandez-Lafuente, Roberto; Tardioli, Paulo Waldir (Biomass and Bioenergy, 2026)