Microwave-assisted synthesis of carbon-doped chitosan hydrogels

The research focused on analysis of water sorption capacity of carbon-doped and undoped chitosan hydrogels cured with different acids: oxalic acid, citric acid, ascorbic acid, and aspartic acid, synthesised under microwave irradiation. The hydrogels were doped with carbon prepared from brewer’s spent grains. The doping effect on the water sorption properties was determined. The results indicate significant differences in water sorption capacity between the undoped and doped hydrogels. The study is significantly important, as it explores the potential of modifying hydrogels to improve their water absorption capacity, a property that is crucial for various industrial applications. The ability to enhance the sorption characteristics of hydrogels through modification or additives can lead to advancements in fields such as agriculture, biomedical engineering, and environmental protection.