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. 2020 Nov 27;10:20785. doi: 10.1038/s41598-020-77624-8

Figure 4.

Figure 4

LA-ICP-MS for the assessment of the gadolinium distribution in the tumor areas. (A1, A2) Unstained cryosection for anatomical matching of the tumor (A2 magnification). The arrowheads mark the tumor margin (red) and the peritumoral region (black). The asterisks (*) highlight the central zone. (B1) Specific gadolinium distribution of the magnified area (A2) confirms gadolinium in all tumor regions, predominantly in the tumor margin (green signal). (B2, B3) Control measurements regarding zinc (Zn) and phosphorous (P) do not show a specific distribution inside the tumor.