Considerable efforts have been devoted to control and maintain the sustained release of proteins. In this experiment. we used bovine serum albumin-fluorescein isothiocyanate (BSA-FITC) as a model protein to explore the potential utility of a chitosan and glycerol phosphate disodium salt (GP) hydrogel as a protein drug depot. The mixing of chitosan and GP solutions (0. https://allfixelectricales.shop/product-category/oven-rack-pack/