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Transmission electron microscopy of (a) AuNP-RGD 7 (A = 6.64 nm2, Ø = (2.91 ± 2.27) nm, n = 3100) and (b) AuNP-RGD-NIR-dye 8 (A = 7.44 nm2, Ø = (3.08 ± 2.57) nm, n = 23,900) and the respective histograms (c) and (d) of the AuNP diameter distribution.
