Fig. 5From: 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 modelSize distribution of TiO2 particles in the maternal perfusion medium and the foetal exudate. Primary size distribution of TiO2 particles by number based on diameters measured on SEM-EDX images corresponding to samples of foetal exudate collected between 20 and 30 mn of E171 perfusion in 2 placentae, and compared to E171 suspension (solid line) in the perfusion medium (PM). P1 = 144 particles, P2 = 156 particles, and E171 in PM = 300 particlesBack to article page