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. Author manuscript; available in PMC: 2014 Jan 30.
Published in final edited form as: Carbohydr Polym. 2012 Sep 7;92(1):254–259. doi: 10.1016/j.carbpol.2012.08.114

Figure 4.

Figure 4

SEM images of nanofibrous membranes containing (a) PCL only, (b) 25% chitosan and (c) 50% chitosan following a particulate flow study with 300-nm diameter PS beads. The scale bars represent 2 μm.