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. 2021 Jun 11;11(34):20850–20858. doi: 10.1039/d1ra02875h

Fig. 1. (a) The scheme of preparation of ICG@PSMA NPs. (b) DLS measurement of ICG@PSMA NPs (insert: TEM images of ICG@PSMA NPs, scale bar: 500 nm). (c) The absorption and (d) fluorescence spectra of free ICG molecules (gray line) and ICG@PSMA NPs (red line) in water (pH = 7.4).

Fig. 1