Sasindi, J. G. K. NDe Silva,H. I. C2026-09-282026-09-282026-05ISSN 1012 - 8999https://dr.ichemc.ac.lk/handle/123456789/521Abstract No: 2025_373 page 61Aspirin, also known as acetylsalicylic acid (ASA), is a nonsteroidal anti-inflammatory drug (NSAID) with analgesic, antipyretic, anti-inflammatory, and antiplatelet properties, has a short half-life of 15– 20 minutes, plasma concentration fluctuations and gastrointestinal adverse effectsen-USAspirinpectin hydrogel beadschitosan coatingsustained-releaseionotropic gelation.Article