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Characterization of nanoparticles. The size of LDNPs (A) and ADNPs (B). Representative TEM images of LDNPs (C) and ADNPs (D). Scale bar is 100 nm. The magnification of single nanoparticle is fivefold of representative images. Scale bar is 20 nm. (E) Representative UV–vis spectra of free Ac2–26, LDNPs and ADNPs. (F) Stability of ADNPs at 37 °C.
