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A, Hydroxyapatite. The grid-like area represents the interplanar spacing of the hydroxyapatite lattice; each lattice plane has a thickness equivalent to one atom. JEOL JEM-2100 high-resolution transmission electron microscope. B, Polyacrylonitrile (PAN) fibers modified with multi-walled carbon nanotubes. JEOL JEM-2100 high-resolution transmission electron microscope. C, Cat hair. JEOL JSM-6490LV scanning electron microscope.
This material is based upon work supported by the National Science Foundation under Grant No. 0619098, 0821655, 0923354, and 1229417. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
The Electron Microscopy Center is an NDSU Institutional Core Facility in the Research and Creative Activity Division.