Cationic Gelatin Nanoparticles for Drug Delivery to the Ocular Surface: In Vitro and In Vivo Evaluation
((a), (b)) are images from cryosections of the cornea treated with the free dye and GP(+) fluorescence dye. Free dye: TAMRA/PBS solution; GP(+) dye: GP(+) with TAMRA conjugation (red). Scale bar: 50 mm. EP: corneal epithelium; ST: corneal stroma; EN: corneal endothelium. After treatment for 0.5 h.