Figure 6 | Scientific Reports

Figure 6

From: Assessment of candidate elements for development of spectral photon-counting CT specific contrast agents

Figure 6

(A) CNR of gadolinium at a range of concentrations. (B) The CNRR of the different elements studied. (C) The CNRR of the different elements compared with their K-edge energies. (D) The CNRR of the elements compared to the ratio of the number of photons above and below their K-edge energies (based on the photon spectrum in the air shown in Fig. 1A). In B-D the same key is used. CNR and CNRR were calculated from the element specific images.

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