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Biomedical patches offer significant potential for keratitis treatment. Building on advances in multifunctionality and biomimicry, an innovative, multifunctional hydrogel patch with high therapeutic efficacy, inspired by the native architecture and functions of the cornea, is introduced. By engineering a composite patch comprising recombinant human collagen (RHC) hydrogel, near‐field electrospinning...
The ideal electromagnetic transparency refers to the ability of an object to remain scatteringless to any incoming waves, resulting in vacuum invisibility. However, natural solid substances can hardly be transparent in free space as they are responsive to external polarizations. Completely eliminating the polarization effect of an obstacle under arbitrary field illumination is a long‐standing scientific...