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. 2020 Jan;61(1):117–122. doi: 10.2967/jnumed.119.226712

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FIGURE 5. — PET imaging of tumor-bearing models. (A) Static images at 1, 2, and 4 h after injection of 2.5 MBq of ⁶⁸Ga-NOTA-Nb109 (n = 3). (B) Uptake of ⁶⁸Ga-NOTA-Nb109 in tumors according to quantification analysis of PET images. (C) PD-L1 immunohistochemical staining of tumors (n = 5, scale bar = 2.5 mm in left column and 100 μm in right column). (D) Autoradiography analysis of ⁶⁸Ga-NOTA-Nb109 in A375 (i), A375/A375-hPD-L1 (ii), and A375-hPD-L1 (iii) tumor (top) and quantitative analysis of autoradiography (bottom).