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BACKGROUND Phase-contrast x-ray imaging using an x-ray interferometer has great potential to reveal the structures inside soft tissues, because the sensitivity of this method to hydrogen, carbon, nitrogen, and oxygen is approximately 1000 times higher than that of the absorption-contrast x-ray method. Imaging of vessels is very important to understand the(More)
Fluorescent X-ray CT (FXCT), which has high-contrast and high-spatial resolution, is being developed for in-vivo biomedical research. Since FXCT could depict the specific heavy atomic number elements in the order of picogram, the functional imaging resembling to single photon emission CT can be obtained. We have applied this technique for in-vivo and(More)
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