This cluster of papers focuses on the properties, production, and applications of nanocellulose, including cellulose nanocrystals and bacterial cellulose. It covers topics such as the use of ionic liquids in cellulose dissolution, sustainable biocomposites, TEMPO-mediated oxidation, and the potential biomedical applications of nanocellulose. The research also explores nanocellulose as a sustainable and versatile material for various fields, highlighting its potential in green nanotechnology.