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Molecular imaging using radiolabeled quantum dots. A) Representative whole-body coronal PET images of U87MG tumor-bearing mice at 1, 17, and 24 h p.i. of 64Cu-labeled quantum dots. White arrow indicates tumor area; black arrow indicates liver area. B) Representative whole-body luminescence images of U87MG tumor-bearing mice at 1, 17, and 24 h p.i. of 64Cu-labeled quantum dots. White arrow indicates tumor area; black arrow indicates liver area. Adapted from Sun et al.30
