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. 2021 Nov 16;16:7685–7695. doi: 10.2147/IJN.S330237

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© 2021 Xia et al.

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Characterization of the nanoprobe. (A) TEM of MNPs (scale bar=100 nm). (B) TEM of PSMA-PEG-MNPs (scale bar=10 nm). (C) FT-IR spectra of MNPs (black line) and PSMA-PEG-MNPs (blue line) dispersed in aqueous solution. Hydrodynamic size distribution graphs of MNPs (D), PEG-MNPs (E) and PSMA-PEG-MNPs (F). (G) XPS of I-PSMA-PEG-MNPs. (H) ¹H-NMR of PEG-MNPs.