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. 2018 May 7;9(5):220. doi: 10.3390/mi9050220

Figure 5.

Figure 5

(a) The smallest channel widths in each of the paper types for successful fluid flow plotted against fiber widths. SEM images of the channels generated in the different paper types showing one intact channel with successful fluid flow (on the top) and one narrower channel where fluid flow was not successful (on the bottom), for (b) FP-50, (c) 3MM Chr, (d) 1 Chr, and (e) RC-55.