Fig. 2
Total silver content in the a apical, b cell lysate, and c basolateral compartments of the BeWo b30 placental transfer model after 4, 6, 18 and 24 h exposure to 1 mg/L of (LA), (Cit), (BPEI) AgNPs, Ag2S NPs, or AgNO3, measured using ICPMS. Concentrations are given as the mean ± SD (n = 3). Values with different letters are significantly different within the same treatment (p ≤ 0.05)