Figure 5
Sinograms of the distribution of (a) selenate, (b) selenite, (c) selenomethionine and (d) water. The CT reconstruction of the density distributions of (e) selenate, (f) selenite, (g) selenomethionine and (h) water. Every Se compound solution is prepared with 100 mM concentration. 7 mg cm−3 selenomethionine was detected in the seedpod of Astragalus bisulcatus, which is placed in the center of the sample holder. The gray scale bar on the bottom left is shown for the corresponding Se compounds concentrations in (e), (f) and (g), and the gray scale bar on the bottom right for (h). |