Hirschi, Laura - Search Results

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Polymer-coated gold nanospheres do not impair the innate immune function of human b lymphocytes in vitro

Hočevar, Sandra ; Milošević, Ana ; Rodriguez-Lorenzo, Laura ; Ackermann-Hirschi, Liliane ; Mottas, Inès ; Petri-Fink, Alke ; Rothen-Rutishauser, Barbara ; Bourquin, Carole ; Clift, Martin James David

In: ACS Nano, 2019, vol. 13, no. 6, p. 6790–6800

Gold nanoparticles (GNPs) are intended for use within a variety of biomedical applications due to their physicochemical properties. Although, in general, biocompatibility of GNPs with immune cells such as macrophages and dendritic cells is well established, the impact of GNPs on B lymphocyte immune function remains to be determined. Since B lymphocytes play an important role in health and...

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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...

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Carbon nanodots: Opportunities and limitations to study their biodistribution at the human lung epithelial tissue barrier

Durantie, Estelle ; Barosova, Hana ; Drasler, Barbara ; Rodriguez-Lorenzo, Laura ; Urban, Dominic A. ; Vanhecke, Dimitri ; Septiadi, Dedy ; Hirschi-Ackermann, Liliane ; Petri-Fink, Alke ; Rothen-Rutishauser, Barbara

In: Biointerphases, 2018, vol. 13, no. 6, p. 06D404

Inhalation of combustion-derived ultrafine particles (≤0.1 μm) has been found to be associated with pulmonary and cardiovascular diseases. However, correlation of the physicochemical properties of carbon-based particles such as surface charge and agglomeration state with adverse health effects has not yet been established, mainly due to limitations related to the detection of carbon...

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