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Single exposure to aerosolized graphene oxide and graphene nanoplatelets did not initiate an acute biological response in a 3D human lung model

Drasler, Barbara ; Kucki, Melanie ; Delhaes, Flavien ; Buerki-Thurnherr, Tina ; Vanhecke, Dimitri ; Korejwo, Daria ; Chortare, Savvina ; Barosova, Hana ; Hirsch, Cordula ; Petri-Fink, Alke ; Rothen-Rutishauser, Barbara ; Wick, Peter

In: Carbon, 2018, vol. 137, p. 125–135

The increased mass production of graphene related materials (GRM), intended for a broad spectrum of applications, demands a thorough assessment of their potential hazard to humans and the environment. Particularly, the paramount concern has been expressed in regard to their interaction with the respiratory system in occupational exposure settings. It has been shown that GRM are easily...

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Biodistribution of single and aggregated gold nanoparticles exposed to the human lung epithelial tissue barrier at the air-liquid interface

Durantie, Estelle ; Vanhecke, Dimitri ; Rodriguez-Lorenzo, Laura ; Delhaes, Flavien ; Balog, Sandor ; Septiadi, Dedy ; Bourquin, Joel ; Petri-Fink, Alke ; Rothen-Rutishauser, Barbara

In: Particle and Fibre Toxicology, 2017, vol. 14, p. 49

The lung represents the primary entry route for airborne particles into the human body. Most studies addressed possible adverse effects using single (nano)particles, but aerosolic nanoparticles (NPs) tend to aggregate and form structures of several hundreds nm in diameter, changing the physico-chemical properties and interaction with cells. Our aim was to investigate how aggregation might...

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