Research Article
Labeling Stem Cells with a New Hybrid Bismuth/Carbon Nanotube Contrast Agent for X-Ray Imaging
Figure 2
TEM images of Bi4C@US-tube-labeled cells. (a and b) Yellow arrows indicate Bi4C@US-tubes encapsulated in vacuoles localized in the cytoplasm, while red arrows show the nucleus. (c) An enlarged image of the Bi4C@US-tube material, where fiber-like agglomerates can be seen. Scale bar = 1 μm.
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