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. Author manuscript; available in PMC: 2013 Dec 7.
Published in final edited form as: Phys Med Biol. 2012 Nov 8;57(23):N457–N467. doi: 10.1088/0031-9155/57/23/N457

Figure 4.

Figure 4

Reconstructed XFCT images for the 3 cm-diameter phantom. (a) tin-filtered polychromatic beam, 1 minute exposure per projection. (b) lead-filtered polychromatic beam, 3 minute exposure per projection. Each phantom is labeled with the GNP concentration (by weight) of each GNP-loaded column included. The GNP-loaded regions are well delineated, and the tin-filtered beam was able to reconstruct an image using much less scan time and dose. The display window in both figures is 10%–100% of the maximum intensity value.