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Table 1 Physico-chemical characteristics of E171

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

  Ultrapure water (pH = 8.92) Perfusion medium (pH = 7.40)
Mean particle size (nm) % of NPs SSA (m2/g) Zeta potential (mV) H. diam. (nm) PdI Zeta potential (mV) H. diam. (nm) PdI
104.9 ± 44.9 55 9.6 −35.1 ± 3.22 303.27 ± 134.27 0.223 −12.3 ± 0.00 383.3 ± 163.6 0.363
  1. All data are presented as mean ± SD. SSA specific surface area, H. diam. hydrodynamic diameter, PdI polydispersity index