Figure 1.

SEM micrographs (A to E) and histograms of fiber diameters (F to J). Electrospun SF/CS nanofibers with different CS contents: (A), (F) 100% CS; (B), (G) 75% CS; (C), (H) 50% CS; (D), (I) 25% CS; and (E), (J) 0% CS. Bar = 10 μm.

Chen et al. Nanoscale Research Letters 2012 7:170   doi:10.1186/1556-276X-7-170
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