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. 2012 Jun 7;7(1):296. doi: 10.1186/1556-276X-7-296

Figure 10.

Figure 10

Optical micrographs of PDMS membranes with 6 wt.% purified MWCNTs, scale bar 200 μm (a) and 3 wt.% PP-MWCNTs, scale bar 50 μm (b).