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![Current and future applications of nanotechnology in plastic and reconstructive surgery](https://image.oaes.cc/09e83025-1492-417b-9b2b-87e1b45c7979/32.fig.2.png)
Figure 2. Scanning electron microscopy images of (a) conventional titanium (Ti), (b) nanorough Ti, (c) conventional polyethylene (PE), and (d) nanorough PE. Scale bars in (a) and (b) are 200 nm while (c) and (d) are 1 μm[28] (used with permission)