Fig. 6From: Tannic acid-functionalized 3D porous nanofiber sponge for antibiotic-free wound healing with enhanced hemostasis, antibacterial, and antioxidant propertiesCell viability. a CCK-8 results of L929 co-cultured with different samples extracts for 1, 3, 5 days. b–f Live-dead staining fluorescent images of L929 co-cultured with extracts of Control, 2D, 3D, 3D-TA0.5 and 3D-TA1.0 for 3 daysBack to article page