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(A) Absorption spectroscopy of HG and SG hydrogels from 300 nm to 700 nm. (B) Swelling assay of HG and SG hydrogels with and without cross-linker. (C) Release of VRF005 with and without cross-linker from gelatin hydrogel. (D) Corneal epithelial cells on hard gel and soft gel.
Abbreviations: HG, hard gelatin; SG, soft gelatin.
