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In Vitro dosimetry of agglomerates

Hirsch, Vera ; Kinnear, Calum ; Rodriguez-Lorenzo, Laura ; Monnier, Christophe A. ; Rothen-Rutishauser, Barbara ; Balog, Sandor ; Petri-Fink, Alke

In: Nanoscale, 2014, p. -

Agglomeration of nanoparticles in biological fluids is a pervasive phenomenon that leads to difficulty in the interpretation of results from in vitro exposures, primarily due to the differing particokinetics of agglomerates to nanoparticles. Therefore, well-defined small agglomerates were designed that possessed different particokinetics profiles, and their cellular uptake was compared to a...

Surface charge of polymer coated SPIONs influences the serum protein adsorption, colloidal stability and subsequent cell interaction in vitro

Hirsch, Vera ; Kinnear, Calum ; Moniatte, Marc ; Rothen-Rutishauser, Barbara ; Clift, Martin J. D. ; Fink, Alke

In: Nanoscale, 2013, vol. 5, no. 9, p. 3723-3732

It is known that the nanoparticle–cell interaction strongly depends on the physicochemical properties of the investigated particles. In addition, medium density and viscosity influence the colloidal behaviour of nanoparticles. Here, we show how nanoparticle–protein interactions are related to the particular physicochemical characteristics of the particles, such as their colloidal stability,...

Gold nanorods: controlling their surface chemistry and complete detoxification by a two-step place exchange

Kinnear, Calum ; Dietsch, Hervé ; Clift, Martin J. D. ; Endes, Carola ; Rothen-Rutishauser, Barbara ; Petri-Fink, Alke

In: Angewandte Chemie, 2013, vol. 125, no. 7, p. 1988–1992