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    Université de Fribourg

    A hydrofluoric acid-free method to dissolve and quantify silica nanoparticles in aqueous and solid matrices

    Bossert, David ; Urban, Dominic A. ; Maceroni, Mattia ; Ackermann-Hirschi, Liliane ; Haeni, Laetitia ; Yajan, Phattadon ; Spuch-Calvar, Miguel ; Rothen-Rutishauser, Barbara ; Rodriguez-Lorenzo, Laura ; Petri-Fink, Alke ; Schwab, Fabienne

    In: Scientific Reports, 2019, vol. 9, no. 1, p. 7938

    As the commercial use of synthetic amorphous silica nanomaterials (SiO2-NPs) increases, their effects on the environment and human health have still not been explored in detail. An often-insurmountable obstacle for SiO2-NP fate and hazard research is the challenging analytics of solid particulate silica species, which involves toxic and corrosive hydrofluoric acid (HF). We therefore developed...