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Fig. 1 | Particle and Fibre Toxicology

Fig. 1

From: 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 model

Fig. 1

SEM analysis of size distribution of food-grade TiO2 particles. a Scanning electron microscopy image of TiO2 particles in E171 water suspension. Scale bar = 300 nm. b Primary size distribution by number of TiO2 particles, based on the diameters of 600 particles measured on SEM images

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