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Representative scanning electron microscope images of random (a) and aligned (b) nanofiber meshes. Fast Fourier transform output images of random (c) and aligned (d) nanofiber meshes, where circular line indicates radial projection. (e) Pixel intensity plots against the angle of acquisition for a random (red) and an aligned (blue) nanofiber meshes. Note the distinctive peak in aligned meshes. Color images available online at www.liebertonline.com/tea
