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The hydrophilic and hydrophobic TiO2 NP-based UV filters at different concentrations and dispersant phases influence the sea urchin embryonic development without producing a relevant developmental impairment. Histograms represent the results expressed as mean percentage (%) of normal embryos ± standard deviation after 48 h of exposure to the (a) hydrophilic (T-AVO and P25) and (b) hydrophobic (T-S and T-Lite) TiO2 NP-based UV filters. * p < 0.05.
