Artificial intelligence-enabled flexible surface-enhanced Raman scattering substrate based on silver nanoparticles/polypyrrole/chitosan film for sensitive uric acid detection in saliva, serum and urine - Nazar Riswana Barveen; Petchi Raman Mariappan; Sathishkumar Chinnapaiyan; Yen-Yu Lin; Chih-Yu Kuo; Yu-Wei Cheng (Carbohydrate Polymers, 2026)