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AuNPs internalization in MDA‐MB231 treated with 200 μg/mL AuroVist™ 15 nm. Each image refers to a single optical plane (thickness 200 nm) acquired during the acquisition by NanoLive holotomography. In these optical micrographies, AuNPs appear inside the cell as white clusters. These clusters are in the cytoplasm in structures like vesicles, and not in the nucleus.
