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(A) Illustration of IKVAV-containing peptide amphiphile (PA) molecule and self-assembled PA nanofiber. (B) SEM image of IKVAV nanofiber network. (C and D) Micrographs of gel formed by adding to IKVAV PA solutions (C) cell culture media and (D) cerebral spinal fluid. (E) Micrographs of an IKVAV nanofiber gel extracted from an enucleated rat eye after intraocular injection of the peptide amphiphile solution. Reproduced with permission from [127].
