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Caveolin-1 immunofluorescence in HCE (human corneal epithelial cell line) and IOBA-NHC (conjunctival epithelial cell line) cells after HA-CSO NP incubation. Merged images showed colocalization of HA-CSO NP with caveolin (staining at arrowheads). Reproduced from Contreras-Ruiz et al.108 HA, hyaluronic acid; HA-CSO NP, hyaluronic acid-chitosan oligomer-based nanoparticle. Color images available online at www.liebertpub.com/jop
