Chitosan-Based Hydrogel as a Natural Antimicrobial Substance with Optical Grade Transparency
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Hydrogel is water-soluble polymer forms three-dimensional polymeric network by physical or chemical crosslinking. Hydrogel with hydrophilic properties are mainly used in various fields (e.g., medical device coatings, industrial adhesives, food packaging materials etc.) due to their biocompatibility, flexibility, and versatility. In particular, hydrogel prepared by biodegradable polymers can be a solution to environmental pollution by plastic waste. In this work, we introduce hydrogel that is biodegradable. In addition, chitosan derivatives, a natural antibacterial substance was added to the hydrogel matrix to obtain antibacterial activity (more than 90%, respectively) against two types of bacteria (i.e., Escherichia coli and Staphylococcus epidermidis). The applications of developed hydrogels are expected to be applied to hospital, food, and environmental industries to improve health, safety and hygiene.