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. 2020 Oct 27;15:8231–8247. doi: 10.2147/IJN.S278631

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© 2020 Yang et al.

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Characterization of GO/Cu nanocomposites and C/H/GO/Cu dressings.

Notes: (A) Representative TEM images of GO (1) and GO/Cu nanocomposites (2, 3). The red square region demonstrates the HR-TEM images of GO/Cu, revealing the interplanar distance (0.352 nm) of CuNPs. The red arrowheads indicate the CuNPs grown on the GO nanosheets. (B) Gross appearance of C/H, C/H/GO and C/H/GO/Cu dressings. (C) Representative SEM images of C/H, C/H/GO and C/H/GO/Cu dressings at different magnifications. The blue arrowheads indicate the GO nanosheets incorporated into the dressings. The red rectangle indicates the CuNPs grown on GO nanosheets.

Abbreviations: C/H, chitosan/hyaluronic acid dressing; C/H/GO, GO-incorporated chitosan/hyaluronic acid dressing; C/H/GO/Cu, GO/Cu-decorated chitosan/hyaluronic acid dressing; CuNPs, copper nanoparticles; GO, graphene oxide; HR, high resolution; SEM, scanning electron microscope; TEM, transmission electron microscope.