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(A–C) Digital images of DFS-NS-DMNs at different magnifications. (D–F) SEM images of DFS-NS-DMNs. (G) The percentage of holes created in Parafilm M® layers and the corresponding approximate insertion depth. Mechanical strength determination of DMNs by a texture analyzer by applying a force of 32 N for 30 s (mean ± SD, n = 6). (H) Mean height reduction of DFS-NS-DMNs, (I) Mean height reduction of DFS-DMNs.
