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Additional file 2: Figure S2. Morphological changes of the differentiating EBs after exposure for 24Â h to varying concentrations of AgNPs (A) or Ag+ (B). The concentrations of AgNPs or Ag+ used for the exposure (in Âľg/ml) are indicated by the numbers at the top left corner of each image.

Additional file 1: Figure S1. Release of Ag+ from AgNPs into culture medium after 24 h incubation at 37 °C. (A) Ag+ released into the supernatant of the medium before (0 h) and after (24 h) incubation. (B) Total Ag+ in the AgNP suspension before (0 h) and after (24 h) incubation.