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Gold nanoparticle characterization. (A) Summary of characteristics of the AuNP batch used in this study; (B) TEM image and size distribution (calculated via ImageJ); (C) Atomic Force Microscopy image; (D) UV-vis spectrum, hydrodynamic size distribution calculated by DLS, and ζ-potential; (E) TEM and (F) SEM images of human primary monocytes, pre-exposed to AuNP for 24 h and then cultured for 6 additional days.
