Enhancing nasal retention: using the mucosal blanket to structure sprays
Julie T.-W. Wang, Chi Wai Tsang, Nga Chi Yip, Shih-Che Hsu
This study evaluates NoriZite(R), a nasal spray based on gellan polysaccharide, showing a 4-hour half-life and up to 6-hour retention in the nasal cavity, suggesting potential as a long-lasting barrier against airborne infections.
bioRxiv · Jan 13, 2026 · PreprintBioengineering