Xu, Feng, and Byoung-Uk Cho. “Preparation and Optimization of Porous Regenerated Cellulose Microspheres from Cellulose Tetraethyl- Ammonium Urea Solution for Adsorption of Cationic Methylene Blue Dye”. BioResources 18, no. 1 (November 30, 2022): 748–766. Accessed December 22, 2025. https://ojs.bioresources.com/index.php/BRJ/article/view/22276.