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. 2015 Jan 20;16(1):2239–2251. doi: 10.3390/ijms16012239

Figure 2.

Figure 2

SEM of GNS-based epoxy resin coating with various content of (A) 0; (B) 0.1 wt %; (C) 0.4 wt %; and (D) 0.7 wt %. The corresponding digital photographs of GNS-based epoxy resin coating are shown in the inset.