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Characterization of GelMA-immobilized ahPCL NF. (A) Digital image of NF (10 mg), (B) in vivo fluorescence image of nanofibrils (NFs) decorated with FITC-labeled GelMA by IVIS, and (C) field-emission scanning electron microscopy (FE-SEM) images of hPCL NF, ahPCL NF, GelMA@hPCL, and GelMA @ahPCL NF. Scale bar = 10 μm and measurement of the length and diameter for NFs using ImageJ.
