Quaternized chitosan-based double-network hydrogel for oral precise delivery of Sinapic acid in ulcerative colitis therapy.
Ulcerative colitis (UC) is a chronic inflammatory bowel disease for which effective oral colon-targeted therapies remain limited. Sinapic acid (Sin), a dietary polyphenol, has demonstrated therapeutic potential in UC due to its antioxidant and anti-inflammatory properties; however, its clinical application is hindered...