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Professor Kim Won-jong (CHEM) and Park Jung-hong (CHEM, Ph.D. Integrated) have developed a drug delivery system that treats autoimmune disease with hydrogel. Hydrogel could respond to carbon dioxide and selectively remove it around rheumatoid arthritis. This substance consists of a high molecular substance that has low toxicity and no side effects. Through this drug delivery system, it can be utilized for the treatment of autoimmune diseases like rheumatoid arthritis. Professor Kim said “The results of this research was advancements in treating autoimmune disease by developing a hydrogel which has responded to carbon dioxide.” The results of this research was published in Advanced Materials.