Anti-inflammatory, antibacterial, and cytotoxic activity by natural matrices of nano-iron(hydr)oxide/halloysite

Representative histological sections from mice ears exposed to TPA (4 h) and stained with hematoxylin-eosin treated with 1 mg ear− 1 spheroidal halloysite and CBD-treated spheroidal halloysite for 4 h. (20 ×. Scale = 100 μm). Arrows indicate the infiltrated leukocytes.