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Schematic illustration of DNNA fabrication. (A) Schematic of the synthesis process of HA-TU-Cat. (B) Schematic illustrating the formation of two interacting networks in DNNA composed of HA-TU-Cat and DPN. (C) Adhesion mechanism of DNNA via hydrogen bonding of neutrophils from DPN and covalent bonding of catechol from HA-TU-Cat to nerve tissues. DPN provides biomimetic proteins to promote axonal growth.
