Fig. 6From: Basal Ti level in the human placenta and meconium and evidence of a materno-foetal transfer of food-grade TiO2 nanoparticles in an ex vivo placental perfusion modelTissue distribution of TiO2 particles in the E171 perfused placenta. a TEM-Bright-Field micrographs coupled to EDX analysis showing food-grade TiO2 particles into the syncytiotrophoblast microvilli. b Chemical characterization of TiO2 particles by STEM-EDX mapping based on STEM-HAADF micrographs for particle detection, and elemental maps and sum spectrum. Scale bars in (B) = 1 μmBack to article page