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Schematic presentation for methacryloylation of Antheraea pernyi silk fibroin with methacrylic anhydride (MA) (ASF-MA) and bioprinting of cells with ASF-MA by digital light processing (DLP) 3D printer. (A) Preparation process of ASF-MA hydrogels. (B) The diagram of continuous DLP 3D printing and 3D-printed structure. Abbreviations: DMD, digital micromirror device; LED, light-emitting diode; UV, ultraviolet.
